Bolthole Index

Madison County, Ohio

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

26Index Score / 100
#88 of 88 in Ohio

Unincorporated Madison County, Ohio requires a building permit for a home, and the county contracts with the Village of West Jefferson for the permit process12. County zoning applies across most unincorporated townships, but parcel zoning must be confirmed with the Madison County Planning and Zoning Office34. Madison County Public Health permits and inspects household septic systems5.

At a glance

Building permit
Required; processed through the Village of West Jefferson12
Zoning
County zoning covers most unincorporated townships; confirm the parcel's jurisdiction34
Septic permits
Madison County Public Health56
RV living
Unconfirmed for private land; ask Planning and Zoning for the parcel4
Tiny homes
No countywide occupancy answer confirmed; ask Planning and Zoning4
Owner-builder exemption
Unconfirmed; ask the building-permit office before relying on one7
Private well permit
Required through the board of health before most well work begins8
Driveway access
Engineer permit required for qualifying new or changed access to county or township roads9

Who to call

Building permits

Madison County building permit office through the Village of West Jefferson

The building permit process for Madison County, including permit applications, permit research and inspection scheduling

614-379-5250

[email protected]

Online permits →

Zoning

Madison County Building and Zoning Office

Zoning questions for property in the unincorporated parts of Madison County

(740) 852-2833

1 N. Main Street, London, Ohio 43140

Septic permits

Madison County Public Health - Environmental Health

Household sewage treatment system permits, site evaluation, design review, installation inspections and operating inspections

740-852-3065 ext. 1519

[email protected]

Roads & driveways

Madison County Engineer's Office

Access permits for qualifying new or modified driveways connecting to county or township roadways in applicable unincorporated areas

Contact details are copied from each office’s official page and were checked against it on September 27, 2026.

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

Yes. A home in unincorporated Madison County requires a building permit, and the county's building page directs applicants to the Village of West Jefferson permit process12. Ohio requires owners of covered buildings to submit plans, drawings, specifications and supporting data to the building department with jurisdiction before construction begins10. Work cannot proceed until the required plans are approved11. Permit fees follow the locally adopted schedule of the certified building department, so ask the permit office for a project-specific total12. An agricultural building may qualify for Ohio's conditional agricultural exemption, but the exemption depends on the building's use and may require a zoning certificate declaring the structure agricultural13.

Who handles Madison County building permits, and how do you reach them?

Madison County contracts with the Village of West Jefferson for its building permit process, and the county directs applicants to the online permit portal for applications and permit research2. Call the building-permit office at 614-379-5250 or email [email protected] with building questions2. Zoning is a separate first stop for unincorporated land: the Madison County Building and Zoning Office is at 1 N. Main Street, London, Ohio 43140, and its phone is (740) 852-283314. Property inside London or a village goes to that municipality's building and zoning officials instead of the county zoning office4. The county has not confirmed a general owner-builder exemption, so ask the building-permit office who may apply and perform each trade before planning to do the work yourself7.

Does Madison County have zoning?

Yes. Madison County administers zoning and development in the unincorporated portions of most of its townships3. The practical answer still depends on the parcel: incorporated villages and the City of London use their own officials, while unincorporated property goes to the Madison County Building and Zoning Office414. County planning maps are not proof of a parcel's current zoning, and the Planning and Zoning Office should confirm the current district before a purchase or design decision4. County materials identify lot ratio, frontage and size requirements for A-1 and R-1 lots in applicable areas, but the reviewed source does not supply the measurements15. Ask the zoning office for the parcel's current district, permitted uses, setbacks, minimum lot dimensions, dwelling standards and any required zoning certificate before ordering plans.

How do septic permits work in Madison County?

Madison County Public Health oversees household sewage treatment permits and inspections56. A permit is required for a new home or business that will not connect to public sanitary sewer, and it is also required when an existing system is altered or replaced16. The health department's process includes site evaluation, system design, soil surveys and installation and operating inspections17. Soils deserve early attention: none of the county's mapped soils avoid a severe USDA limitation rating for a conventional septic drain field, so budget for a site-specific evaluation and the possibility of a more complex design18. Ohio generally requires a public-sewer connection when an existing public or regional sanitary sewer is accessible and available under the state's conditions19. Call Environmental Health at 740-852-3065 ext. 1519 before fixing a house location or closing on a septic-dependent lot17.

Can you live in an RV or tiny home on your land in Madison County?

Madison County has not confirmed a countywide rule allowing long-term RV residence or tiny-home occupancy on private land. For unincorporated property, ask the Madison County Building and Zoning Office how the parcel's current zoning district treats the proposed unit and use414. For land inside London or a village, ask that municipality's building and zoning officials instead4. Ohio's campground rules regulate recreational vehicles within licensed and temporary campgrounds, but those rules do not answer whether an RV may serve as a residence on a private homestead parcel20. A manufactured home regulated under Ohio law generally cannot be occupied until an inspector issues its inspection seal21. For a tiny home, confirm zoning, building-code treatment, sanitation approval and legal occupancy before buying or placing the structure.

Building a home in Madison County: the steps, in order

  1. Confirm whether the parcel is unincorporated or inside London or a village, then get the current zoning district and applicable site standards from the correct zoning office4.
  2. Ask Madison County Public Health for the site evaluation and septic approval if public sewer is unavailable, or obtain district approval before a public water or sewer connection1622.
  3. Obtain a private-well permit from the board of health before covered well construction begins8.
  4. Submit any driveway or access pre-application required for qualifying access to a county or township road2324.
  5. Apply through the county's contracted building-permit portal and wait for plan approval before construction211.
  6. Schedule the required building inspections and complete the health department's septic inspections before occupancy2526.

What should you check before buying land in Madison County?

Start with jurisdiction and current parcel zoning because county planning-map colors do not necessarily show current zoning, and incorporated municipalities use their own officials4. Check soils before selecting a house site because none of Madison County's mapped soils avoid a severe USDA limitation rating for a conventional septic drain field18. Verify whether public sewer is accessible, since Ohio may require a connection where the statutory conditions are met19. Confirm legal road access with the Madison County Engineer's Office because qualifying new or changed access to a county or township roadway needs an access permit9. Ask Planning and Zoning whether floodplain review applies because the responsible floodplain contact was not confirmed. For carrying costs, Madison County's effective property-tax rate is about 1.1%, and the median annual property-tax bill is about $2,4372728.

Watch-outs

  • A comprehensive-plan map is not proof of current parcel zoning; confirm the district with the Madison County Planning and Zoning Office4.
  • Do not assume an RV or tiny home can be occupied on private land; Madison County has not confirmed those rules, so ask the zoning office with the parcel address414.
  • None of Madison County's mapped soils avoid a severe USDA limitation rating for a conventional septic drain field, so complete the health department's site and soil review before committing to a house location1817.
  • A qualifying new or changed driveway onto a county or township road needs an access permit from the Madison County Engineer's Office9.

Sources

  1. Madison County Building & Zoning - Building Permit (2026 county census)
  2. Madison County building permit office through the Village of West Jefferson (co.madison.oh.us)
  3. Madison County Planning & Zoning (2026 county census)
  4. Madison County Zoning Standards and Regulations, quoted and re-checked
  5. Septic and Sewage Systems (2026 county census)
  6. Septic and Sewage Systems, quoted and re-checked
  7. (2026 county census)
  8. Chapter 3701-28 | Private water systems (Ohio statewide rule), quoted and re-checked
  9. Madison County Access Management Regulations, quoted and re-checked
  10. Section 3791.04 | Submission of plan - approvals - prohibition - fine (Ohio statewide rule), quoted and re-checked
  11. Section 3791.04 | Submission of plan - approvals - prohibition - fine (Ohio statewide rule), quoted and re-checked
  12. Chapter 4101:7-7 | Fees (Ohio statewide rule), quoted and re-checked
  13. Section 3781.06 | Public buildings to be safe and sanitary - definitions (Ohio statewide rule), quoted and re-checked
  14. Madison County Building and Zoning Office (co.madison.oh.us)
  15. Madison County Zoning Standards and Regulations, quoted and re-checked
  16. Septic and Sewage Systems, quoted and re-checked
  17. Madison County Public Health - Environmental Health (co.madison.oh.us)
  18. Share of soils without severe limits for a conventional septic drain field (USDA SSURGO): Bolthole Index county data
  19. Rule 3745-42-07 | Best available technology for connection into sanitary sewers and centralized collection and treatment (Ohio statewide rule), quoted and re-checked
  20. Rule 3701-26-04 | Campground requirements (Ohio statewide rule), quoted and re-checked
  21. Chapter 4781-7 | Manufactured home inspections (Ohio statewide rule), quoted and re-checked
  22. New Construction Process, quoted and re-checked
  23. Madison County Access Management Regulations, quoted and re-checked
  24. Madison County Engineer's Office (co.madison.oh.us)
  25. Rule 4101:7-3-02 | Building department personnel duties and responsibilities (Ohio statewide rule), quoted and re-checked
  26. Rule 3701-29-09 | Site review and permits for STS installation and operation (Ohio statewide rule), quoted and re-checked
  27. Effective property tax rate: Bolthole Index county data
  28. Median property tax bill: Bolthole Index county data

Written September 27, 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

Madison County in Ohio

26
County map
Madison County highlighted among the Ohio counties · colored by Index score

How Madison County scores

Seclusion9100% ev.
Self-Sufficiency30100% ev.
Admin Boringness4090% ev.
Durability86100% ev.
Property Autonomy35100% ev.
Carry Cost63100% 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 →

$322kTypical home
1.1%Property tax
$9,260Land / acre
40.6"Annual rain
1.1% of yrsSevere drought
3.8 / yr (+3.7)Mid-century 100°F days
12.8 daysMid-century dry spell
1.62" (+7.5%)Mid-century 1-day rain
1.91×Wildfire change factor
100%Forward climate coverage
$1,409Home insurance / yr
1.3% / yrInsurance growth
0.83%Nonrenewal rate
county median (2+ published ZIPs)Insurance basis
478,523People within 30 min
6,971,150People within 2 hr
92,224Radius comparison (15 mi)
95.8People / sq mi
1.8%Federal land
99.5%Land at 15% slope or less
0%Septic soil without severe limits
0 acWorkable land screen
6.9%Wooded land
70.7 tonsBiomass / forest ac
52°FAvg temp

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Answers from the rulebook for Madison County

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

Madison County rules

  • Local zoningVaries (with conditions)

    Aggregate of county, township, and municipal zoning across Madison County; county zoning applies to unincorporated areas, while incorporated municipalities and local officials administer their own areas.

    • The county page states that comprehensive-plan map colors do not necessarily represent current parcel zoning.
    • Zoning status of a particular parcel must be confirmed with the Madison County Planning and Zoning Office.
    • The zoning of a property will not change unless it goes through the rezoning process.
    • The county public-health page directs properties in villages or London city limits to local building and zoning officials.
    “If the property is in the unincorporated parts of Madison County, contact the Madison County Building and Zoning Office at 1 N. Main Street, London, Ohio 43140, Phone: (740) 852-2833, Monday thru Friday from 8am to 4pm. If you are in a village or in London’s city limit’s, you will need to contact the local building and zoning officials listed on their websites:”
  • Minimum lot sizeSpecified

    A-1 and R-1 designated lots located in non-jurisdictional areas of Madison County.

    • The county page identifies lot-ratio, frontage, and size requirements but does not provide their numeric values on the opened page.
    “Lot ratios, frontage requirements and sizes for A-1 and R-1 designated lots located in non-jurisdictional areas of Madison County.”
  • Who permits septicCounty

    Household sewage treatment systems in Madison County.

    • Madison County Public Health oversees the sewage-treatment-system permits and inspection program.
    • Ohio Administrative Code rules govern certification and system-design references stated on the page.
    “Contact any of our MCPH sanitarians with your questions or concerns. Jim Jordan, REHS, is overseeing the sewage treatment systems permits and inspection program.”
  • Septic permitRequired

    New homes and businesses not connected to public sanitary sewer systems, and alterations or replacements of existing sewage systems in Madison County.

    • No permit is required to add or replace risers and a secure lid to the tank, replace pumps or motors of the existing system, or uncover the access opening of the tank before pumping.
    “A permit is required for all new homes and businesses not connected to a public sanitary sewer system. A permit is also required when an existing home’s system being altered or replaced. This includes replacing the leach lines, adding additional components such as a dosing tank, lift station, sand filter, additional leach lines to the existing system, or distribution box /switch box between leach fields or lines. No permit is required to add or replace risers and a secure lid to the tank, replace pumps or motors of the existing system, or to uncover the access opening of the tank prior to pumping the tank.”
  • Mandatory utility hookupConditional

    Water and sanitary-sewer connections within Madison County Sanitary Sewer and Water District operating areas.

    • The property owner must submit a plot plan and copies of approved signatures from all required regulatory agencies before submitting to Madison County Building and Zoning.
    • The District issues water and/or sewer permits only after approving the connections and receiving connection fees in full.
    • No connection work may be performed until approvals are finalized and fees are paid in full.
    • Connections must be completed by an approved installer, and the installer must schedule the work and obtain a final inspection.
    • Low-pressure grinder-system areas require an approved grinder pump, site inspection before installation, approved installation, and a final system inspection.
    “Once the Madison County Sanitary Sewer and Water District approves the water and/or sanitary sewer connections, the District will issue a Water Permit and/or Sewer Permit upon payment in full of the connection fees. No work may be performed for the connection of a water and/or sewer connection until all approvals are finalized and fees are paid in full.”
  • Subdividing landRegulated (with conditions)

    Plats and subdivisions of land within Madison County subdivision jurisdiction.

    • The county page identifies Ohio Revised Code Section 711.001 as the enabling authority.
    • The Madison County Regional Planning Commission adopted a plan for major streets or highways as a statutory subdivision-review requirement.
    “Subdivision Regulations –The Madison County Subdivision Regulations as enacted and amended by the Madison County Planning Commission.”
  • Driveway accessRequired

    New or modified direct vehicular access to county or township roadways from abutting property in applicable unincorporated areas.

    • Access connections already in use or constructed under a valid permit are exempt from the regulations' policies, requirements, criteria, and standards, subject to the stated exceptions for projects under review.
    • The regulations do not apply to incorporated areas, state or federal routes, major subdivisions subject to platting, certain township roads with their own regulations, or municipal roadways.
    “No person shall construct any new access or modify an existing access resulting in a change of use as defined in Section 3.8, Access Management Procedures, that provides direct vehicular movement to or from any county or township roadway to or from property abutting a county or township road without a valid access permit issued by The Madison County Engineer’s Office.”
  • Permit processPartial

    Pre-application and access-permit process for residential, industrial, commercial, retail, driveway, lot-split, zoning-certificate, and building-permit proposals in applicable unincorporated areas.

    • The regulations apply only to unincorporated areas and exclude incorporated areas, major subdivisions subject to platting, state or federal routes, certain township roads, and streets or highways in municipal corporations.
    • Applicants seeking access permits for residential, industrial, commercial, and retail development must attend a preliminary meeting when the proposal may require more detailed study.
    • Pre-applications are submitted to the County Subdivision Review Board before official applications.
    • The MCEO may require additional review, changes, a traffic-impact study, or access approval before access is granted.
    “Pre-applications for not only zoning certificates, building permits or lot‐splits but also driveway, thoroughfare / access modifications and other road-related requests are to be submitted to the County Subdivision Review Board.”
  • County-wide zoningPresent

    Madison County has countywide zoning codes, administering zoning and development for 13 of the county's 14 townships in the unincorporated areas.

    Madison County Planning & Zoning ↗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.”
  • Building code adoptedAdopted (with conditions)

    Buildings and classes of buildings regulated under Ohio Revised Code Chapter 3781, including residential and nonresidential buildings and industrialized units.

    • The Ohio Board of Building Standards formulates and adopts separate residential and nonresidential building codes.
    • Residential-code requirements are uniform in areas with a building department certified to enforce the state residential building code.
    • A local code or regulation may differ from the state residential building code only when it addresses subject matter not addressed by the state residential building code or is adopted pursuant to Ohio Revised Code section 3781.01.
    • Enforcement authority is exercised by certified municipal, township, and county building departments or other certified personnel as provided by law.
    “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.”
  • Manufactured homesLimited

    Occupancy of manufactured homes installed in Ohio and regulated under Chapter 4781 of the Revised Code and implementing rules.

    • A manufactured home generally may not be occupied until the inspector issues the inspection seal.
    • The inspection seal must be paid for when the permit is issued.
    • A temporary occupancy permit may provide the applicable exception under Rule 4781-7-01(C).
    • The home must meet Ohio manufactured-home installation standards; local ordinances and other regulations may also apply to site placement.
    “Except as provided in paragraph (C) of this rule, no manufactured home shall be occupied until the inspector has issued the inspection seal.”
  • Septic inspectionRequired

    New, replacement, or altered sewage treatment systems and their post-installation operation in Ohio.

    • The board of health must inspect the installation in a timely manner; additional inspections may be required by the permit, product approval, or chapter.
    • The board of health must inspect the completed system again no later than twelve months after installation approval and assess whether it is operating properly and not causing a public health nuisance or safety hazard.
    • A board of health may conduct additional compliance inspections upon a good-faith complaint, probable cause, missing proof of required maintenance, or probable threat to public health.
    • Required operation and maintenance may be demonstrated by a service contract or certified maintenance instead of a board inspection when otherwise allowed.

    post-approval inspection deadline: <= 12 months · certification to director after post-approval inspection: <= 60 days

    “The board of health shall inspect the completed system again not later than twelve months”
  • Well permitRequired

    Construction, alteration, sealing, or decommissioning of private water systems, including private wells and test wells, in Ohio.

    • A valid permit must be issued by the board of health before construction, alteration, or sealing, except that a person sealing a well or decommissioning a private water system not being replaced must apply no later than five business days afterward.
    • Except where specified exceptions apply, no work may begin until the permit is issued and approved.
    • Applications require the applicable permit fee, required information, and a fee for at least one water sample for alteration, conversion, or new construction.
    • An application becomes a permit upon validation by the local health district.
    • Plans are additionally required for specified systems, including systems serving a building, non-one/two/three-family dwellings, cisterns, springs or ponds, flowing-well areas, drive-point wells, buried pressure tanks, gasoline-powered pumps, continuous disinfection or filtration, and certain point-of-entry treatment systems.

    post-sealing/decommissioning application deadline: <= 5 business days (Applies when the well or private water system is not being sealed or decommissioned because it is being replaced.)

    “No person shall construct, alter or seal a private water system, test well or part thereof, unless a valid permit for the system has been issued”
  • Agricultural exemptionConditional

    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.

    • The exemption in section 3781.06 applies to buildings or structures incident to agricultural use of the land.
    • The buildings or structures must not be used in the business of retail trade.
    • A building or structure is not considered used in the business of retail trade if fifty per cent or more of gross income from sales of products in the building or structure comes from products produced or raised in a normal crop year on farms owned or operated by the seller.
    • Under section 3781.061, a county zoning inspector under section 303.16 or township zoning inspector under section 519.16 must issue a zoning certificate declaring the specific building or structure is to be used in agriculture for the additional exemption described there.
    • The cited section 3781.06 is effective January 1, 2025; section 3781.061 is effective October 17, 2019.

    retail-sales agricultural-product threshold: >= 50 percent of gross income (Products must be produced or raised in a normal crop year on farms owned or operated by the seller.)

    “issues a zoning certificate that declares a specific building or structure is to be used in agriculture, such building is not subject to sections”
  • 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.”
    One more reviewed finding on this topic
    • 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.”
  • Campground & park staysLimited

    Occupancy and placement of recreational vehicles in Ohio-licensed campgrounds and temporary campgrounds.

    • Recreational vehicles may be parked only on sites verified as complying with plans approved by the director, or, for a temporary campground, by the licensor.
    • A campground site may contain no more than one recreational vehicle and two portable camping units, or three portable camping units.
    • Sites generally must be at least 1,000 square feet, subject to the temporary-campground density exception determined by the licensor where open fires are prohibited.
    • Separation, sanitation, sewage, gray-water, and licensed-capacity requirements also apply.

    minimum campground site area: >= 1000 square feet (Except as provided in paragraph (I)(11) for temporary campgrounds.) · recreational vehicles per site: 1 vehicle (A site may also contain two portable camping units; alternatively, a site may contain three portable camping units.)

    “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;”
    2 more reviewed findings on this topic
    • 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”

Still unanswered

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

  • Owner-builder exemption — Owner-builder exemptions from building-permit or code requirements in unincorporated Madison County.
  • Certificate of occupancy — Certificates of occupancy for buildings in unincorporated Madison County.
  • Minimum dwelling size — Minimum dwelling size in unincorporated Madison County.
  • Setbacks — Building and use setbacks in unincorporated Madison County.
  • Lot coverage — Lot coverage in unincorporated Madison County.
8 more unanswered
  • Building height
  • Living in an RV
  • Camping on your land
  • Tiny homes
  • Accessory dwellings
  • Off-grid sanitation
  • Building in a floodplain
  • 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 Madison County, Ohio

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

Madison County scores 26/100 on the Bolthole Index, a weak county profile. Its strengths: a durable current and mid-century hazard profile and manageable long-term carry cost. Watch-outs: about 478,523 people within a 30-minute drive and workable self-sufficiency basics (40.6″/yr rainfall).

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

Madison County generally requires a residential building permit, and it enforces county zoning. Onsite septic is permitted by Madison County Public Health - Environmental 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 Madison County, Ohio?

Land in Madison County runs about $9,260 per acre, based on the latest county data.

What is the water situation in Madison County?

Madison County gets about 40.6" of rain a year, with severe drought in roughly 1.1% of years.

How remote is Madison County?

A representative private-land location has about 478,523 people within a 30-minute drive and 6,971,150 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 Madison County means bringing your own water and power. The kit we’d start with:

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How Madison compares in Ohio

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