Bolthole Index

Gallia County, Ohio

Building permits, zoning and land rules in Gallia County, Ohio

69Index Score / 100
#5 of 88 in Ohio

Unincorporated Gallia County, Ohio does not require a county building permit for an ordinary home1. Floodplain and subdivision reviews can still apply, and incorporated places such as Gallipolis have their own rules23. Ask the Gallia County Planning Department to confirm jurisdiction for the parcel; household septic permits go through the Health Department45.

At a glance

Building permit
Not required for an ordinary home in the unincorporated area1
Zoning
No county zoning in the unincorporated area; floodplain and subdivision rules remain62
Septic permit
Required through the Gallia County Health Department5
Private well
Permit required through the Gallia County Health Department7
RV living
General rule unconfirmed; special flood-hazard areas have a county rule8
Tiny home
Occupancy and minimum size are unconfirmed; ask Planning64
Subdivision
Unincorporated-area plats and subdivisions are regulated2
Property tax
1.0% effective rate; $1,351 median annual bill910

Who to call

Building permits

Gallia County Planning Department

Planning questions and confirmation of building, zoning, subdivision, floodplain and parcel jurisdiction

740-446-4612

18 Locust St, Gallipolis, OH 45631

Septic permits

Gallia County Health Department — Environmental Health

Household sewage treatment and private water system permits and inspections

740-441-2018

[email protected]

Online permits →

Contact details are copied from each office’s official page and were checked against it on September 28, 2026.

Do you need a building permit in Gallia County, Ohio?

An ordinary county building permit is not required for a home in unincorporated Gallia County1. Ohio law says residential construction-document submissions are not required when no certified municipal, township or county residential building department has jurisdiction11. Residential-code inspections likewise depend on whether a certified local department has jurisdiction12. Floodplain, subdivision, septic and well approvals are separate from a building permit257. Ask the Gallia County Planning Department to confirm that the parcel is unincorporated and identify every office with jurisdiction before ordering materials4. Inside incorporated limits, contact the municipality separately; Gallipolis has its own zoning ordinance13.

Who handles building and land permits in Gallia County?

The Gallia County Planning Department is the practical first call for an unincorporated parcel. The county directory lists Planning through the courthouse main number at 740-446-4612, extension 1271, at 18 Locust St, Gallipolis, OH 456314. Ask the office to identify any building-code authority, floodplain review and subdivision review applying to the parcel. Unincorporated subdivision plats are regulated through county planning2. Household septic and private-water-system work belongs with the Health Department's Environmental Health Division147. Inside Gallipolis, the city enforces its own zoning ordinance3.

Does Gallia County have zoning?

Gallia County does not have county zoning in the unincorporated area, apart from floodplain and subdivision controls6. Unincorporated subdivision plats remain subject to county planning regulations2. The City of Gallipolis separately enforces municipal zoning, so the unincorporated-county answer does not carry inside city limits3. A lack of county zoning does not settle private restrictions, sanitation approval, driveway access or whether a site lies in a special flood-hazard area. Ask the Gallia County Planning Department to confirm jurisdiction, lot division and floodplain status for the specific parcel4. We could not confirm a countywide rule for minimum dwelling size, tiny homes or accessory dwellings; ask Planning before choosing a structure or site plan4.

How do septic and well permits work in Gallia County?

A Health Department permit is required before installing, replacing or altering a household sewage treatment system serving a one-, two- or three-family dwelling in Gallia County5. The process starts with a site review, required soil evaluation and design approval before the installation permit5. The published installation or replacement permit fee is $1,0525. Environmental Health conducts site evaluations and septic inspections1516. Only about 1% of county soils are rated without severe limits for a conventional drain field, so soil suitability can materially affect design and cost17. A new or altered private well also requires a Health Department permit7.

Can you live in an RV or tiny home in Gallia County?

We could not confirm a general Gallia County rule allowing or prohibiting long-term RV or tiny-home occupancy on a private parcel. The absence of county zoning in the unincorporated area does not by itself approve residential occupancy6. One narrow rule is confirmed: in special flood-hazard areas of unincorporated Gallia County, an RV must meet a listed alternative, including staying no more than 180 days, being fully licensed and highway-ready, or satisfying county floodplain construction standards8. Ohio campground rules govern regulated campgrounds, not a lone RV on private land18. Ask Planning about local jurisdiction and floodplain status, and ask Environmental Health how sewage and water will be approved before relying on either structure as a residence415.

Building a home in Gallia County: what are the steps?

  1. Ask Planning whether the parcel is unincorporated and which building-code, zoning, subdivision and floodplain authority applies4.
  1. If dividing land, complete county subdivision review before recording an unincorporated-area plat2.
  1. Arrange the septic site review, soil evaluation and design before applying for the installation permit5.
  1. Obtain a private-water-system permit for a new or altered well7.
  1. Confirm whether a certified building department requires plans, inspections or occupancy approval; those duties depend on jurisdiction1112.
  1. Check floodplain requirements before site work, especially for an RV or manufactured home819.

What should you check before buying land in Gallia County?

Start with buildability, wastewater and access. Only about 1% of Gallia County soils are rated without severe limitations for a conventional drain field, making an early septic site review especially valuable17. About 30% of county land has a slope of 15% or less, while roughly 70% is wooded, so clearing, driveway grade and homesite layout deserve attention2021. Ask Planning whether the tract is subject to subdivision or special flood-hazard rules and which local authority controls it42. Confirm well permitting before drilling7. The effective property-tax rate is about 1.0%, with a median annual bill of $1,351910.

Watch-outs

  • The no-permit and no-zoning answers apply to unincorporated Gallia County; ask Planning to confirm that a parcel is outside municipal limits and identify any floodplain or subdivision review164.
  • General RV and tiny-home occupancy remains unconfirmed, while RVs in special flood-hazard areas face a specific county rule8.
  • Gallipolis has municipal zoning, so unincorporated-county assumptions do not apply inside the city3.

Sources

  1. Gallia County Planning Department - Site Zoning Verification (2026 county census)
  2. Planning Commission - Gallia Soil & Water, quoted and re-checked
  3. Code Enforcement - City of Gallipolis Ohio, quoted and re-checked
  4. Gallia County Planning Department (galliacountyoh.gov)
  5. Sewage – Gallia County Health Department, quoted and re-checked
  6. Gallia County Planning Department - Site Zoning Verification (2026 county census)
  7. Environmental Health – Gallia County Health Department, quoted and re-checked
  8. Gallia County Special Purpose Flood Damage Reduction Regulations (Unincorporated), quoted and re-checked
  9. Effective property tax rate: Bolthole Index county data
  10. Median property tax bill: Bolthole Index county data
  11. Section 3791.04 | Submission of plan - approvals - prohibition - fine, quoted and re-checked
  12. Residential Code of Ohio, Rule 4101:8-1-01, quoted and re-checked
  13. City of Gallipolis Zoning Ordinance, quoted and re-checked
  14. Sewage – Gallia County Health Department, quoted and re-checked
  15. Gallia County Health Department — Environmental Health (galliacohealth.gov)
  16. Sewage – Gallia County Health Department, quoted and re-checked
  17. Share of soils without severe limits for a conventional septic drain field (USDA SSURGO): Bolthole Index county data
  18. Rule 3701-26-04 - Campground requirements, quoted and re-checked
  19. Rule 4781-12-07.1 | Flood plain management development permits, quoted and re-checked
  20. Share of land at 15% slope or less: Bolthole Index county data
  21. Wooded share of land: Bolthole Index county data

Written September 28, 2026 from the rules quoted below, each taken from an official source and re-checked by an independent reviewer. This is research, not legal advice: rules change, so confirm with the office before you buy or build.

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County locator

Gallia County in Ohio

69
County map
Gallia County highlighted among the Ohio counties · colored by Index score

How Gallia County scores

Seclusion45100% ev.
Self-Sufficiency60100% ev.
Admin Boringness8490% ev.
Durability76100% ev.
Property Autonomy35100% ev.
Carry Cost83100% ev.

Evidence strength: 98%. This reports direct-source completeness and fallback use; it is separate from the score and is not a confidence interval. How it works →

$173kTypical home
1%Property tax
$3,625Land / acre
43.8"Annual rain
1.1% of yrsSevere drought
5.6 / yr (+5.4)Mid-century 100°F days
11.4 daysMid-century dry spell
1.68" (+9.4%)Mid-century 1-day rain
1.96×Wildfire change factor
100%Forward climate coverage
$1,313Home insurance / yr
-0.2% / yrInsurance growth
1.55%Nonrenewal rate
county median (2+ published ZIPs)Insurance basis
48,069People within 30 min
2,496,502People within 2 hr
46,711Radius comparison (15 mi)
62.1People / sq mi
6.2%Federal land
30%Land at 15% slope or less
1%Septic soil without severe limits
2,764 acWorkable land screen
69.5%Wooded land
49.8 tonsBiomass / forest ac
54.4°FAvg temp

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Answers from the rulebook for Gallia County

What the ordinances and state agencies actually say — one answer per question, each quoted from the official source and independently re-checked.

Gallia County rules

  • Living in an RVLimited

    Recreational vehicles located in special flood hazard areas within unincorporated Gallia County.

    • The rule applies specifically to sites in special flood hazard areas, not all county land.
    • At least one of the following must be satisfied: the recreational vehicle is not located on the site for more than 180 days; it is fully licensed and ready for highway use; or it meets all standards of Section 4.4.
    • Development activity in a special flood hazard area requires a floodplain development permit before commencement, subject to the county regulations.

    maximum location period under alternative A: <= 180 days (Alternative B or C may be used instead.)

    “Recreational vehicles must meet at least one of the following standards: A. They shall not be located on sites in special flood hazard areas for more than 180 days, or B. They must be fully licensed and ready for highway use, or C. They must meet all standards of Section 4.4.”
  • Who permits septicCounty

    Individual sewage disposal systems serving one-, two-, and three-family dwellings in Gallia County.

    • The Gallia County Board of Health enforces Ohio Administrative Code Chapter 3701-29 for these systems.
    “The Gallia County Board of Health is charged with the enforcement authority”
  • Septic permitRequired

    Installation, replacement, or alteration of household sewage treatment systems serving one-, two-, and three-family dwellings in Gallia County Health District.

    • A site review is required before accepting a permit application.
    • The permit requires a completed application and associated fee, an approved site review, and proof of Ohio EPA Class V injection-well registration if applicable.
    • The Gallia County 2025 application packet states that site approval, soil evaluation, design approval, and any required easements or variance approval must be submitted, reviewed, and approved before obtaining the installation permit.
    • The July 2025 packet states an installation/replacement permit fee of $1052.
    • The July 2025 packet states that if the application steps are not followed in proper order, the homeowner and installer are each subject to a fine of 25% of the license fee.

    installation/replacement permit fee: 1052 USD · homeowner fine for improper application order: 25% of license fee · installer fine for improper application order: 25% of license fee

    “No person shall install a new or replacement STS or alter an existing STS without an installation or alteration permit issued by the board of health.”
  • Septic inspectionRequired

    Household septic systems and newly installed or altered household sewage systems in Gallia County.

    • GCHD conducts annual inspections of household septic systems.
    • For new installation, GCHD completes the final inspection before system coverup; the installer must submit the completed as-built within 7 days.

    as-built submission deadline: 7 days (after installation)

    “GCHD completes final inspection before system coverup”
  • Well permitRequired

    New wells and other private water systems in Gallia County, including systems meeting the county's private-water-system definition.

    • The county regulates private water systems under OAC Chapter 3701-28, including construction, inspection, installation, development, maintenance, and abandonment.
    • The county page defines a private water system as any well, spring, cistern, pond, or hauled water tank with fewer than 15 service connections and not regularly serving an average of at least 25 individuals daily at least 60 days a year.
    • The application must be submitted to the Gallia County Health Department to obtain a permit for a new well or water system.

    maximum private-water-system service connections: < 15 connections · average daily persons threshold: < 25 persons (must not regularly serve at least this average) · minimum annual service frequency threshold: 60 days per year (private-water-system definition uses fewer than 25 persons daily at least this many days)

    “Issues Installation or Alterations Permits for private water systems”
  • Mandatory utility hookupSewer (with conditions)

    Green Township Sanitary Sewer Improvements Phase I, Debbie Drive area, including residents connecting to the county-owned sanitary sewer system.

    • The source is project-specific and does not establish a countywide sewer-availability rule.
    • The project area had usable access to a provided tap location at the public right-of-way.
    • Connection options included an approved contractor connection, rerouting house plumbing, a private grinder pump, or a 15-foot permanent easement and shared trunk line.
    • For the easement/shared-trunk-line option, proposed easements required county prosecutor review before recording, recorded easements were required before construction, and the easement had to grant county maintenance access after one year of successful operation.
    • For that option, individual service lines were specified as 4 inches, combined lines as 8-inch SDR35 PVC, cleanouts within 5 feet of each house and wherever two services were combined, and installation by a licensed contractor with minimum material specifications and air and flow tests before tie-in.
    • The March 10, 2016 letter states that originally proposed $1500 tap fees were waived for this project.

    originally proposed tap fee: 1500 USD (waived for the Green Sewer Phase 1 project) · permanent easement width for shared-trunk-line option: 15 feet · individual service-line diameter for shared-trunk-line option: 4 inches · combined trunk-line diameter for shared-trunk-line option: 8 SDR35 PVC · cleanout distance from each house: <= 5 feet (also required wherever two services are combined)

    “The County will support a residents' choice of connection which maintains continuity of the County's standards, which could include any of the following:”
  • Subdividing landRegulated (with conditions)

    Subdivision of land within the unincorporated area of Gallia County.

    • Chapter 711 authorizes Gallia County to adopt subdivision regulations governing plats and subdivisions in the unincorporated area.
    • The Gallia County Planning Commission may impose reasonable conditions for design, dedication, improvement, and restrictive use of land.
    • This claim does not apply the county rule to incorporated municipalities or villages.
    • The source states that conditions must conform to the physical and economic development of Gallia County and the health, safety, and general welfare of future lot owners and the county generally.
    “regulations governing plats and subdivisions of land within the unincorporated area of the county.”
  • County-wide zoningAbsent

    The county explicitly states there is no zoning in the unincorporated area other than floodplain and subdivision regulations; incorporated villages/cities set their own.

    Gallia County Planning Department - Site Zoning Verification ↗Scouted from the county site, not yet independently re-checked

Ohio rules that apply here

  • Building permitRequired

    Construction, erection, manufacture, equipment, alteration, or addition of buildings subject to Ohio Revised Code section 3781.06, including industrialized units, statewide.

    • Plans or drawings, specifications, and data must be submitted before beginning the work.
    • Submission is made to the municipal, township, or county building department having jurisdiction.
    • If no certified municipal, township, or county building department certified for nonresidential buildings has jurisdiction, submission is made to the superintendent of industrial compliance.
    • If no certified municipal, township, or county building department certified for residential buildings has jurisdiction, the owner is not required to make the submission described in division (A)(1).
    “No owner shall proceed with the construction, erection, alteration, or equipment of any building until the plans or drawings, specifications, and data have been approved as this section requires, or the industrialized unit inspected at the point of origin.”
    One more reviewed finding on this topic
    • Limited — Construction subject to Ohio building-code plan submission and approval requirements where a certified municipal, township, or county residential building department has jurisdiction
      “If no certified municipal, township, or county building department certified for residential buildings pursuant to division (E) of section 3781.10 of the Revised Code has jurisdiction, the owner is not required to make the submissions described in division (A)(1) of this section.”
  • Building code adoptedAdopted (with conditions)

    Buildings erected in Gallia County as part of the statewide Ohio building-code framework.

    • Ohio Revised Code section 3781.06 excludes buildings or structures incident to agricultural use when they are not used in the business of retail trade.
    • The same section also excludes specified existing one-, two-, and three-family detached dwelling houses used for type A family child-care homes and mobile computing units meeting the listed criteria.
    • For buildings subject to section 3791.04, construction, erection, alteration, or equipment may not proceed until required plans or specifications are approved, or an industrialized unit is inspected at the point of origin.
    • Under section 3791.04, plan approval becomes invalid if work has not commenced within twelve months; extensions and fees are subject to the statutory conditions.

    initial plan-approval validity period: 12 months (One extension may be granted for an additional twelve-month period upon timely request and payment of a fee not exceeding $100; additional six-month extensions may apply after work is delayed or suspended for more than six months.)

    “No plans or specifications shall be approved or inspection approval given unless the building represented would, if constructed, repaired, erected, or equipped, comply with Chapters 3781. and 3791. of the Revised Code and any rule made under those chapters.”
    2 more reviewed findings on this topic
    • Adopted (with conditions) — Ohio residential and nonresidential building codes adopted by the Ohio Board of Building Standards; county or municipal enforcement depends on certified building-department jurisdiction.
      “The board of building standards shall formulate and adopt rules governing the erection, construction, repair, alteration, and maintenance of all buildings or classes of buildings specified in section 3781.06 of the Revised Code, including land area incidental to those buildings, the construction of industrialized units, the installation of equipment, and the standards or requirements for materials used in connection with those buildings. The board shall incorporate those rules into separate residential and nonresidential building codes.”
    • Adopted (with conditions) — Buildings and classes of buildings regulated under Ohio Revised Code Chapter 3781, including residential and nonresidential buildings and industrialized units.
      “The board of building standards shall formulate and adopt rules governing the erection, construction, repair, alteration, and maintenance of all buildings or classes of buildings specified in section 3781.06 of the Revised Code, including land area incidental to those buildings, the construction of industrialized units, the installation of equipment, and the standards or requirements for materials used in connection with those buildings. The board shall incorporate those rules into separate residential and nonresidential building codes.”
  • InspectionsRequired

    Building work subject to Ohio building-code enforcement after certificate of plan approval, and inspections initiated after complaints, accidents, or natural disasters.

    • Inspections are directed after a certificate of plan approval has been issued, or after a complaint, accident, or natural disaster.
    • The building official identifies special conditions affecting inspection timing and schedules inspection times mutually agreed upon by the building official and owner.
    • Special inspections required under section 1704 of rule 4101:1-1-01 are excepted from the stated scheduling rule.
    • Certified inspectors inspect work within the limits of their certification and the approved construction documents.
    “Once a certificate of plan approval has been issued in accordance with rule 4101:1-1-01 or 4101:8-1-01 of the Administrative Code, or upon receipt of a complaint or occurrence of an accident or natural disaster, the building official directs necessary inspections and investigations to determine whether the work which has been performed and the installations which have been made are in conformity with the approved construction documents.”
    One more reviewed finding on this topic
    • Limited — Residential-code inspections where a certified municipal, township, or county residential building department has jurisdiction
      “If no municipal, township, or county building department is certified by the Board of Building Standards for residential buildings in accordance with section 3781.10(E) of the Revised Code has jurisdiction, the owner is not required to make submission of construction documents, seek approvals, request inspections, or obtain certificates of occupancy required in this Chapter.”
  • Certificate of occupancyLimited

    Buildings subject to the Ohio Building Code where a building official has jurisdiction

    • A building or structure may not be used or occupied until the building official issues a certificate of occupancy or certificate of completion.
    • A certificate of completion may be issued instead of a certificate of occupancy for alterations and repairs where appropriate.
    • For new buildings and additions, occupancy is not permitted until the certificate is issued, except unaffected spaces may continue if the building official determines they can be safely occupied.
    • For changed occupancy, the new occupancy may not be used until the certificate reflects the changed portions.
    • Partial, time-limited, and temporary occupancy certificates have the conditions stated in section 111.
    • If no certified local residential building department has jurisdiction, the Residential Code of Ohio states that the owner is not required to obtain certificates of occupancy required in that chapter.
    • Gallia County-specific building-official jurisdiction was not established.

    temporary structure maximum occupancy period: <= 180 days (The building official may grant extensions for demonstrated cause.)

    “The building official, after review of the findings, shall issue the certificate of occupancy or certificate of completion in accordance with section 111.”
  • Camping on your landLimited

    Temporary park-camps in Gallia County and elsewhere in Ohio, meaning land used to park five or more recreational vehicles, dependent recreational vehicles, or portable camping units for no more than twenty-one total days per calendar year and periods of no more than seven consecutive days.

    • A temporary park-camp license is required before operation during the calendar year.
    • A separate license is required for each temporary park-camp, and the license may not be transferred.
    • The license is valid for no longer than seven consecutive days; operation on a tract for more than twenty-one days or parts thereof in a calendar year requires a license as a recreational vehicle park, recreation camp, or combined park-camp.
    • A person who neither intends to receive nor receives anything of value from the use, or sale of goods or services connected with the use, is not required to procure a license under ORC 3729.05(A)(3), but any health hazard at an unlicensed site must still be corrected consistently with applicable rules.
    • County or state fairs and qualifying independent agricultural societies are exempt when participant-owned recreational vehicles or portable camping units are parked only during preparation, operation, and dismantling of the fair.
    • A qualifying motorsports park is exempt for participant-only areas during preparation and operation if it holds at least one annual event sanctioned by NASCAR or NHRA and provides parking for participant-owned recreational vehicles, dependent recreational vehicles, and portable camping units.
    • A site hosting historical reenactors is exempt only for designated reenactment participant areas and for a total of seven days, including preparation, operation, and dismantling, when it provides parking for units belonging to reenactors and their families.
    • A qualifying equestrian event facility is exempt for participant-only areas during preparation and operation if it holds at least one annual event sanctioned by the International Professional Rodeo Association or American Professional Rodeo Association during an equestrian event and provides participant-owned camping parking.
    • A waiver or variance may be requested from applicable state requirements if the director determines it will not adversely affect public health and safety.
    • Gallia County sewage requirements remain applicable; the Gallia County Board of Health administers household sewage rules, while Ohio EPA approval is required for sewage treatment in new or altered RV parks and campgrounds before licensing.

    minimum units: >= 5 units · maximum consecutive days per period: <= 7 days · maximum total days per tract per calendar year: <= 21 days

    “A person shall obtain a separate license for each temporary park-camp that the person intends to operate, and the license shall be valid for a period of not longer than seven consecutive days. A person who operates a temporary park-camp on a tract of land for more than twenty-one days or parts thereof in a calendar year shall obtain a license to operate a recreational vehicle park, recreation camp, or combined park-camp.”
  • Manufactured homesLimited

    Initial installation and occupancy of used or relocated manufactured homes for use as residences in Gallia County and elsewhere in Ohio.

    • Rule 4781-6-02 applies to any installation of a used or relocated manufactured home for use as a residence and Rule 4781-6-01 applies unless Rule 4781-6-02 specifically provides otherwise.
    • The most restrictive applicable material, construction, or other requirement governs; the specific requirement controls over a general requirement.
    • Existing legal occupancy may continue without change except as specifically covered by the rule or as deemed necessary by the authority having jurisdiction for general safety and welfare.
    • Before work on an existing foundation system, the authority having jurisdiction must determine whether it can support the used manufactured home; the foundation must also conform to Rule 4781-6-03.
    • If more than 50 percent of the installation or foundation system is replaced or repaired, the entire installation or foundation system must conform to used-manufactured-home requirements.
    • Manufacturer installation instructions must be followed; specified alternate engineering is required when site conditions prevent use of the instructions or rule.
    • Local floodplain authority rules, ordinances, or resolutions apply where a local floodplain authority exists.

    replacement or repair threshold: > 50 percent (entire installation or foundation system must conform to used-manufactured-home requirements)

    “These installation standards provide minimum requirements for the initial installation of used or relocated mobile or manufactured homes and shall apply to the installation and occupancy of mobile and manufactured homes in Ohio.”
    2 more reviewed findings on this topic
    • Limited — Installation, use, occupancy, and location of every new manufactured home installed on private property or in a manufactured home park in Gallia County and elsewhere in Ohio.
      “The provisions of the model manufactured home installation standards shall apply to the installation, construction, use and occupancy, and location of every new manufactured home installed in the state on private property or in a manufactured home park.”
    • Limited — Occupancy of manufactured homes installed in Ohio and regulated under Chapter 4781 of the Revised Code and implementing rules.
      “Except as provided in paragraph (C) of this rule, no manufactured home shall be occupied until the inspector has issued the inspection seal.”
  • Agricultural exemptionAvailable (with conditions)

    Agricultural land uses and buildings or structures incident to agricultural use under Ohio county zoning authority.

    • Ohio county zoning statutes generally do not authorize prohibition of agricultural land use or agricultural buildings and structures, and no zoning certificate is required for such buildings or structures.
    • A county zoning resolution may regulate agriculture on lots of one acre or less in qualifying platted subdivisions or qualifying areas of 15 or more contiguous lots.
    • A county zoning resolution may regulate agricultural buildings or structures on lots greater than one acre but not greater than five acres in those qualifying areas by setback building lines, height, and size.
    • Dairying and animal and poultry husbandry on lots greater than one acre but not greater than five acres may be regulated when at least 35 percent of the lots in the subdivision are developed with qualifying buildings or improvements; after that threshold, the use is treated as nonconforming under section 303.19.
    • Section 303.21(B) confers no county zoning power to regulate agriculture, agricultural buildings or structures, and dairying or animal and poultry husbandry on lots greater than five acres.
    • The source states an effective date of August 16, 2016.
    • This statewide rule does not establish that Gallia County has adopted a county zoning resolution; county-specific zoning status remains unresolved by the official sources reviewed.

    qualifying small lot threshold: <= 1 acre (Agriculture may be regulated in qualifying platted subdivisions or qualifying areas of 15 or more contiguous lots.) · qualifying agricultural-building lot range: greater than 1 to 5 acres (Regulation may be by setback building lines, height, and size in qualifying areas.) · qualifying dairying/animal husbandry lot range: greater than 1 to 5 acres (Requires at least 35 percent of subdivision lots to be developed with qualifying buildings or improvements.) · developed-lot threshold: >= 35 percent (After the threshold, the use is considered nonconforming under section 303.19.)

    “Except as otherwise provided in division (B) of this section, sections 303.01 to 303.25 of the Revised Code do not confer any power”
    3 more reviewed findings on this topic
    • Conditional — Agricultural buildings or structures for which a county or township zoning inspector issues an agricultural-use zoning certificate.
      “issues a zoning certificate that declares a specific building or structure is to be used in agriculture, such building is not subject to sections 3781.06”
    • Conditional — A specific agricultural building or structure in Ohio, including in Gallia County, when the applicable county or township zoning inspector issues the required zoning certificate.
      “Whenever a county zoning inspector under section 303.16 of the Revised Code, or a township zoning inspector under section 519.16 of the Revised Code, issues a zoning certificate that declares a specific building or structure is to be used in agriculture, such building is not subject to sections 3781.06 to 3781.20, 3781.40, or 3791.04 of the Revised Code.”
    • Conditional — Buildings or structures incident to agricultural use of the land, and a specific building or structure declared by a county or township zoning inspector to be used in agriculture.
      “issues a zoning certificate that declares a specific building or structure is to be used in agriculture, such building is not subject to sections”
  • Building in a floodplainRequired

    Development or manufactured-home replacement within a portion of a manufactured home park located in a one-hundred-year flood plain in Ohio, including applicable Gallia County locations.

    • A permit must be obtained from the division before development or manufactured-home replacement in the specified floodplain manufactured-home-park setting.
    • The owner and operator must jointly obtain the permit when development is on a lot where a manufactured home is or will be located.
    • For substantially damaged manufactured homes, required alterations, repairs, or changes may include removal of the manufactured home or other structures and require a permit first.
    • No permit is required under this rule for construction, erection, or manufacture of a building to which Ohio Revised Code section 3781.06 applies.
    • The rule is effective January 20, 2020.

    floodplain threshold: one-hundred-year flood plain

    “(A) No person shall cause development to occur or cause the replacement of a manufactured home that is located within any portion of a manufactured home park that is located within a one-hundred-year flood plain unless the person first obtains a permit from the division.”
  • Permit feesPublished (with conditions)

    Construction documents and inspections required to be submitted to the Ohio Division of Industrial Compliance.

    • The certificate of occupancy or certificate of completion will not be issued until applicable fees are paid.
    • The schedule includes a $275 processing fee for structural, mechanical, electrical, fire alarm, and sprinkler scopes; plan-examination fees vary by scope and area or device count.
    • One initial plan review and up to two resubmission plan reviews are included; additional resubmissions cost $100 each.
    • Additional inspections cost $150 per inspection; reinspections cost $150.
    • Certificates of occupancy or completion cost $65, except existing-building certificates issued under rule 111.4 have no fee.
    • The rule was effective January 1, 2019 and was last updated July 14, 2026.

    structural processing fee: 275 USD · certificate of occupancy or completion fee: 65 USD (No fee for existing-building certificates issued under rule 111.4)

    “The fees for examination and processing of construction documents when required to be submitted to the division of industrial compliance, except medical gas piping systems and temporary structures, shall be in accordance with Table B1.”
    2 more reviewed findings on this topic
    • Published (with conditions) — Ohio floodplain-development permits for development or manufactured-home replacement within a portion of a manufactured home park located in a one-hundred-year flood plain, including applicable Gallia County locations.
      “(D) The fee for the issuance of a permit under paragraph (A) or (B) of this rule shall be fifty dollars.”
    • Variable (with conditions) — Construction-document submissions and inspections handled by certified municipal, township, or county building departments in Ohio.
      “Fees for construction documents submitted to and inspections made by certified building departments shall be in accordance with the locally adopted fee schedule.”
  • Permit processPublished (with conditions)

    Construction, erection, alteration, or equipment of buildings subject to Ohio Revised Code section 3781.06.

    • Before beginning construction, the owner must submit plans, drawings, specifications, and data to the municipal, township, or county building department having jurisdiction, subject to the statutory exceptions where no certified department has jurisdiction.
    • No owner may proceed until the plans and specifications are approved or the industrialized unit is inspected at the point of origin.
    • Plans must comply with Chapters 3781 and 3791 and applicable rules.
    • Approval becomes invalid if work has not commenced within twelve months; one additional twelve-month extension may be granted if requested at least ten days before expiration and accompanied by a fee not exceeding $100.
    • If work is delayed or suspended for more than six months, approval becomes invalid; two six-month extensions may be granted, each with a fee not exceeding $100.
    • A certified building department or the superintendent must review submitted plans.
    • Conditional approval may allow construction only up to the point of an unresolved objection.

    initial approval deadline: <= 30 days (Failure to approve or disapprove within thirty days is treated as an adjudication order denying issuance of a license.) · commencement period after approval: 12 months (One extension of twelve months is available under the stated conditions.)

    “No owner shall proceed with the construction, erection, alteration, or equipment of any building until the plans or drawings, specifications, and data have been approved as this section requires, or the industrialized unit inspected at the point of origin.”
  • Campground & park staysLimited

    Recreational-vehicle occupancy in Ohio campgrounds, recreational-vehicle parks, combined park-camps, and temporary campgrounds, including such facilities in Gallia County.

    • The cited standards apply to regulated campgrounds and similar facilities, not necessarily to a single recreational vehicle on a private parcel.
    • Sites must be verified as complying with approved plans, or for a temporary campground, by the licensor.
    • A site is generally limited to one recreational vehicle and two portable camping units, or three portable camping units.
    • Sites are generally at least 1,000 square feet.
    • A combined park-camp with fewer than twenty-five sites existing and licensed on or before May 24, 1992 has specified grandfathering for dump-station requirements unless substantially altered or the licensor determines a nuisance exists.
    • A campground existing and licensed on or before May 24, 1992 has specified grandfathering for certain requirements unless substantially altered or the licensor determines a nuisance or inadequate facilities.
    • Temporary campground density, where open fires are prohibited by the operator, is determined by the licensor after considering recommendations from the local fire authority.
    • No more than two manufactured or mobile homes are permitted in a newly constructed campground, for the exclusive use of the licensee and not counted as licensed sites.
    • A licensee must provide required sewage-disposal methods, including dump stations or site sewer connections for RV parks and combined park-camps.

    minimum site area: >= 1000 square feet (Except as provided for temporary-campground density in paragraph (I)(11).) · maximum units per site: one recreational vehicle and two portable camping units, or three portable camping units · minimum separation from building, public roadway, street, alley, or designated vehicular right-of-way: >= 15 feet · minimum separation from campground property line: >= 7.5 feet

    “Except as provided in paragraph (I)(11) of this rule, sites shall be a minimum area of one thousand square feet;”
    3 more reviewed findings on this topic
    • Limited — Occupancy and placement of recreational vehicles in Ohio-licensed campgrounds and temporary campgrounds.
      “Recreational vehicles or portable camping units shall be parked only on sites that have been verified as complying with plans approved by the director, or in the case of a temporary campground, by the licensor;”
    • Prohibited — Camping in Ohio state forests outside areas, sites, or campgrounds designated by the chief of the division of forestry or an authorized agent.
      “No person shall camp in a state forest except in areas, sites or campgrounds designated by the chief of the division of forestry or authorized agent.”
    • Limited — Roadside camping at designated Ohio state forests along public roads maintained by the division of forestry.
      “Roadside camping is permitted at designated state forests, along public roads maintained by the division of forestry, during certain legally established hunting seasons as authorized by the chief of the division of forestry.”
  • county zoning authorityGeneral

    County commissioners may adopt zoning resolutions regulating building, structures, land uses, and districts or zones in unincorporated territory statewide.

    • The authority is exercised by resolution and must be in accordance with a comprehensive plan.
    • The authority applies to unincorporated territory of the county.
    • The statute begins with the exception phrase “Except as otherwise provided in this section,” so the limitations in ORC Chapter 303 apply.
    • For nonresidential property only, the county may regulate height, bulk, number of stories, size, lot coverage, yards, courts, open spaces, and population density.
    • Agricultural uses and agricultural buildings are subject to the limitations in ORC 303.21; the statute also contains limitations for public utilities, railroads, telecommunications towers, alcoholic-beverage sales, oil and gas drilling, and permanently sited manufactured homes.
    • Activities regulated under ORC Chapters 1513 and 1514 may be regulated only in the interest of public health or safety, and Chapter 1514 activities must be provided for as permitted or conditional uses as specified by ORC 303.02.
    “the board of county commissioners may regulate by resolution, in accordance with a comprehensive plan”
  • county building authorityGeneral

    County commissioners may adopt and enforce local residential building regulations in unincorporated areas and may operate certified county building departments that enforce state residential and nonresidential building codes, accept and approve plans, and conduct inspections.

    • Local residential building regulations may be enforced within the unincorporated area or within districts established in the unincorporated area.
    • A local residential building regulation may not differ from the state residential building code unless it addresses subject matter not addressed by that code or is adopted under ORC 3781.01.
    • An existing structures code must concern subject matter not addressed by, and may not conflict with, the state residential building code.
    • County building departments may enforce state codes only for the types of buildings and subject matters for which they are certified.
    • Certification permits enforcement authority, plan approval, and inspections; the certification application identifies whether it covers residential or nonresidential buildings and whether residential certification covers new construction only or also repair and alteration.
    • The board may adopt flood-hazard, Lake Erie coastal-erosion, and drainage regulations, subject to the statutory limits and exceptions in ORC 307.37.
    • Local regulations, codes, or amendments require public hearings at not fewer than two regular or special board sessions; they take effect on the thirty-first day after adoption.
    • Regulations adopted under ORC 307.37 generally do not affect buildings or structures existing, or under construction, before adoption, except as provided for an existing structures code.
    • The state residential building code is effective as a uniform requirement in areas with a building department certified to enforce it.
    “The board of county commissioners may adopt local residential building regulations governing residential buildings as defined in section 3781.06 of the Revised Code”

Inside cities and towns in Gallia County

Municipal rules found while researching the county. They apply inside that city or town, not to unincorporated land.

  • Local zoningPresent (with conditions)

    Zoning within the incorporated City of Gallipolis, Gallia County, Ohio, including manufactured-home and mobile-home controls.

    • The posted ordinance is dated August 15, 2002; the city's codified-code site warns that posted material may not reflect the most current legislation.
    • Manufactured homes must be at least 18 feet wide for the entire length, at least 1,000 square feet, and placed on a permanent perimeter foundation to receive the ordinance's manufactured-home classification.
    • Other manufactured homes are classified as mobile homes and are not allowed within the City.
    • Manufactured-home parks must meet Ohio Administrative Code Chapter 3701 standards.

    minimum manufactured-home width: >= 18 feet (for the entire length of the structure) · minimum dwelling size: >= 1000 square feet

    “The minimum width of said structure shall be eighteen (18) feet for the entire length of the structure and the minimum dwelling size shall be one thousand (1,000) square feet. The structure shall be placed on a permanent perimeter foundation although it may be structurally supported from within. All other manufactured homes shall be considered "Mobile Homes" and not allowed within the City.”
    2 more reviewed findings on this topic
    • Present — Zoning within the corporate limits of the City of Gallipolis, Gallia County, Ohio.
      “Establishing Comprehensive Zoning Regulations for the City of Gallipolis, Ohio, and Providing for the Administration Enforcement and Repeal Thereof. (Adopted July 16, 2002)”
    • Present (with conditions) — Construction, rezoning, zoning projects, and enforcement of the City Zoning Ordinance within the City of Gallipolis.
      “Enforcement of the City Zoning Ordinance and Property Maintenance Code.”
  • Manufactured homesLimited

    Manufactured-home occupancy and placement within the City of Gallipolis, Ohio

    • The structure must be at least 18 feet wide for its entire length.
    • The minimum dwelling size is 1,000 square feet.
    • The structure must be placed on a permanent perimeter foundation, although it may be structurally supported from within.
    • All other manufactured homes are classified as mobile homes and are not allowed within the City.
    • Manufactured home parks may be located only in the MHP Manufactured Home Park District and must comply with Ohio Administrative Code Chapter 3701 requirements.
    • The zoning ordinance requires a construction permit before a building or structure is erected, moved, added to, or structurally altered.

    minimum width: >= 18 feet (for the entire length of the structure) · minimum dwelling size: >= 1000 square feet · foundation: permanent perimeter foundation (may be structurally supported from within)

    “The minimum width of said structure shall be eighteen (18) feet for the entire length of the structure and the minimum dwelling size shall be one thousand (1,000) square feet. The structure shall be placed on a permanent perimeter foundation although it may be structurally supported from within. All other manufactured homes shall be considered "Mobile Homes" and not allowed within the City.”
    One more reviewed finding on this topic
    • Limited — Manufactured-home occupancy and placement within the City of Gallipolis, Ohio.
      “The structure shall be placed on a permanent perimeter foundation [...] All other manufactured homes shall be considered "Mobile Homes" and not allowed within the City.”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission — ask the county directly.

  • Owner-builder exemption — Owner-builders seeking exemption from building permits, inspections, or certificates of occupancy in Gallia County
  • Zoning districts — Zoning districts in Gallia County, including unincorporated areas and incorporated municipalities.
  • Minimum dwelling size — Minimum dwelling size in unincorporated Gallia County.
  • Minimum lot size — Minimum lot size in unincorporated Gallia County.
  • Setbacks — Building setbacks in unincorporated Gallia County.
6 more unanswered
  • Lot coverage
  • Building height
  • Tiny homes
  • Accessory dwellings
  • Driveway access
  • Short-term rentals

Each answer was extracted from an official source and independently re-checked against that source by a second reviewer. That is an evidence check, not legal advice. Rules change; confirm with the authority before you buy or build.

Living off-grid in Gallia County, Ohio

Is Gallia County a good place to live off-grid or homestead?

Gallia County scores 69/100 on the Bolthole Index, a strong county profile. Its strengths: low administrative friction for a quiet rural property and manageable long-term carry cost. Watch-outs: a weaker property-autonomy legal backdrop.

Do you need a building permit in Gallia County, Ohio?

Gallia County does not require a county building permit for a home in unincorporated areas, and it has no county-wide zoning. Onsite septic is permitted by Gallia County Health Department (Board of Health). These answers are quoted from official sources and independently re-checked. Rules change and cities within the county differ — always confirm with the county before you buy or build.

How much does land cost in Gallia County, Ohio?

Land in Gallia County runs about $3,625 per acre, based on the latest county data.

What is the water situation in Gallia County?

Gallia County gets about 43.8" of rain a year, with severe drought in roughly 1.1% of years.

How remote is Gallia County?

A representative private-land location has about 48,069 people within a 30-minute drive and 2,496,502 within two hours. The road-network catchments count population across county lines and clusters of smaller cities; straight-line radius values remain available as a comparison.

Off-grid gear

Going off-grid in Gallia County means bringing your own water and power. The kit we’d start with:

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How Gallia compares in Ohio

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