Bolthole Index

Smith County, Mississippi

Building permits, zoning and land rules in Smith County, Mississippi

76Index Score / 100
#15 of 82 in Mississippi

Smith County, Mississippi does not publish a building-permit office or process, so we could not confirm how the county administers construction permits in unincorporated areas1. Call the Smith County Board of Supervisors before beginning work2. The Mississippi State Department of Health handles onsite-wastewater permitting and site evaluations3.

At a glance

Building permit
Unconfirmed for unincorporated land; ask the Board of Supervisors12
Zoning
No countywide zoning identified; municipal rules can differ4
Septic permit
Mississippi State Department of Health5
RV living
Private-land occupancy rules could not be confirmed23
Tiny home
Siting and occupancy rules could not be confirmed2
Owner-builder
State licensing exemption for work on your own residence; local permits may apply6
Well permit
State permit at a 6-inch-or-greater surface casing diameter, with exclusions7

Who to call

Building permits

Smith County Board of Supervisors

County government, local ordinances and questions about the unpublished building-permit process

601 782-4000

P O Box 160, Raleigh, MS 39153

Septic permits

Mississippi State Department of Health, Division of On-Site Wastewater

Onsite-wastewater applications, site and soil evaluations and environmental complaints; Smith County is in the Central Region

601-576-7150

[email protected]

570 East Woodrow Wilson Drive, Jackson, MS 39216

Online permits →

Health department

Smith County Health Department

Local county health contact; confirm septic inspection scheduling with the state program

601-782-4472

P.O. Box 305, Raleigh, MS 39153

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 Smith County, Mississippi?

We could not confirm Smith County's current building-permit procedure for unincorporated land. Mississippi law directs counties to require permitting as a condition of construction in unincorporated areas, but Smith County publishes no building or permit office or process1. Do not interpret the missing office listing as permission to start work. Ask the Smith County Board of Supervisors whether your house, cabin, accessory building or alteration needs county approval and which official receives an application2.

Mississippi also has a statewide uniform-building-code framework: counties and municipalities were directed to enact uniform codes unless they opted out before the stated deadline, but that source does not establish Smith County's present status8. An owner acting as general contractor on the owner's own residence has a state residential-builder licensing exemption, but that exemption does not erase a local permit requirement6.

Who handles building permits in Smith County, Mississippi?

Smith County does not identify a building department, inspector or permit portal, so the practical starting point is the Smith County Board of Supervisors. The Board manages county government and adopts local ordinances2. Ask whether the parcel is in unincorporated Smith County, whether the proposed work needs a permit or inspection, what code applies, where plans are filed and whether a certificate of occupancy is issued. Those details remain unconfirmed1.

If the parcel is inside an incorporated town, contact that municipality because local requirements vary across Mississippi9. For an owner-builder, separate contractor licensing from permitting: Mississippi's own-residence exemption concerns residential-builder licensing, not every approval a local government may require6.

Does Smith County, Mississippi have zoning?

Smith County reports no countywide zoning ordinance, with zoning limited to municipalities4. For rural land, however, we could not confirm published county rules for setbacks, minimum lot size, dwelling size, building height, lot coverage, subdivisions or accessory dwellings. Ask the Smith County Board of Supervisors for any ordinance that affects the parcel2.

A no-zoning finding does not settle building codes, septic approval, highway access, deed restrictions or floodplain requirements. Mississippi's building-code framework is separate from zoning and does not establish Smith County's current adoption status8. Before buying, confirm whether a deed or subdivision plat carries private restrictions and determine whether the property lies inside municipal limits. Municipal zoning should not be assumed to apply to unincorporated land, and the countywide finding should not predict rules inside a town4.

How do septic permits work in Smith County, Mississippi?

The Mississippi State Department of Health administers individual onsite-wastewater permitting in Smith County, which is assigned to the agency's Central Region5. Start with the On-Site Wastewater Program's online application. Agency environmentalists perform soil and site evaluations and provide a permit or recommendation used for a water meter10.

Published charges include $197.50 for a Notice of Intent with final approval, $100 for a Notice of Intent with exemption and $100 for an existing-residential inspection; fees can change, online payment has a processing charge and other costs can apply11. State rules direct a certified installer to notify the department at least 48 hours before construction and schedule inspection with the appropriate county Department of Health12. Confirm scheduling with MSDH or the Smith County Health Department13. Only about 14% of county soils avoid severe conventional-drain-field limitations, so make approval a purchase contingency14.

Can you live in an RV or tiny home in Smith County, Mississippi?

We could not confirm a Smith County rule that permits or prohibits living in an RV on private land, temporary camping, tiny-home occupancy, manufactured-home siting or a county minimum dwelling size. Ask the Smith County Board of Supervisors about land-use and occupancy rules before treating an RV or tiny home as a residence2. If the parcel is inside a municipality, ask that town separately because zoning is reported within municipalities rather than countywide4.

Wastewater approval remains separate even where county zoning is absent. MSDH handles onsite-wastewater applications and evaluates the site and soil310. For a tiny home built as your own residence, the state owner-builder licensing exemption may help with contractor licensing, but it does not establish siting permission or waive an otherwise required permit6.

How do you build a home in Smith County, Mississippi?

  1. Confirm whether the parcel is unincorporated or inside a municipality; zoning is reported only within Smith County's municipalities4.
  2. Call the Smith County Board of Supervisors and ask what building permit, code, plan review, inspection and occupancy steps apply21.
  3. Apply to MSDH for the onsite-wastewater site and soil evaluation before fixing the house location510.
  4. Resolve water. A groundwater-withdrawal permit applies to a well with a surface casing diameter of 6 inches or more, subject to exclusions7.
  5. Secure access. A new or altered driveway connecting to a state highway needs an MDOT permit15.
  6. If acting as your own general contractor, document the state licensing exemption while completing every locally required approval6.

What should you check before buying land in Smith County?

Make septic feasibility the first physical check. Only about 14% of Smith County soils are rated without severe limitations for a conventional drain field, and MSDH evaluates the site and soil before issuing its permit or recommendation1410. Verify legal access and identify the road owner; a driveway connecting to a Mississippi state highway requires a permit, and approved work must be completed within one year or the permit becomes void16.

Confirm municipal boundaries because zoning is reported inside towns, not countywide4. Ask the Board about unresolved building, subdivision, setback and floodplain questions2. Check the title and recorded plat for private restrictions. For a planned well, determine casing size and exclusions because the state withdrawal-permit threshold begins at 6 inches7. The countywide effective property-tax rate is about 0.5%, with a median annual bill of about $5211718.

Watch-outs

  • Smith County's lack of a published building office is not proof that construction is permit-free; ask the Board of Supervisors before work begins12.
  • An owner-builder exemption addresses state contractor licensing, not local permits or land-use approval6.
  • Only about 14% of Smith County soils avoid severe conventional-drain-field limitations14.
  • A state-highway driveway requires MDOT approval, while we could not confirm a published rule for every county-road driveway16.

Sources

  1. Miss. Code Ann. §19-5-9(11) (2026 county census)
  2. Smith County Board of Supervisors (smithcountyms.gov)
  3. Mississippi State Department of Health - On-Site Wastewater (2026 county census)
  4. Smith County - Departments (2026 county census)
  5. On-Site Wastewater - Mississippi State Department of Health, quoted and re-checked
  6. Mississippi Senate Journal, March 9, 2022 (Mississippi statewide rule), quoted and re-checked
  7. Guidelines for Securing the Services of a Water Well Driller (Mississippi statewide rule), quoted and re-checked
  8. Mississippi Uniform Building Codes (Mississippi statewide rule), quoted and re-checked
  9. Start Your Business in Mississippi — County and City Permits (Mississippi statewide rule), quoted and re-checked
  10. Mississippi State Department of Health, Division of On-Site Wastewater (msdh.ms.gov)
  11. Wastewater Application FAQs, quoted and re-checked
  12. Mississippi State Department of Health Current Regulations: On-site Wastewater (Mississippi statewide rule), quoted and re-checked
  13. Smith County Health Department (smithcountyms.gov)
  14. Share of soils without severe limits for a conventional septic drain field (USDA SSURGO): Bolthole Index county data
  15. Mississippi Access Management Guide (Mississippi statewide rule), quoted and re-checked
  16. Application for Permit to Construct Driveway with Connection to State Highway, quoted and re-checked
  17. Effective property tax rate: Bolthole Index county data
  18. Median property tax bill: 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

Smith County in Mississippi

76
County map
Smith County highlighted among the Mississippi counties · colored by Index score

How Smith County scores

Seclusion68100% ev.
Self-Sufficiency72100% ev.
Admin Boringness7268% ev.
Durability54100% ev.
Property Autonomy39100% ev.
Carry Cost86100% ev.

Evidence strength: 95%. This reports direct-source completeness and fallback use; it is separate from the score and is not a confidence interval. How it works →

$167kTypical home
0.5%Property tax
$3,551Land / acre
59"Annual rain
4.2% of yrsSevere drought
11 / yr (+10.1)Mid-century 100°F days
17.2 daysMid-century dry spell
2.81" (+6.5%)Mid-century 1-day rain
1.43×Wildfire change factor
100%Forward climate coverage
$1,894Home insurance / yr
-0.3% / yrInsurance growth
1.18%Nonrenewal rate
county median (2+ published ZIPs)Insurance basis
11,716People within 30 min
1,335,345People within 2 hr
22,668Radius comparison (15 mi)
22.2People / sq mi
18%Federal land
83.6%Land at 15% slope or less
13.5%Septic soil without severe limits
54,461 acWorkable land screen
78.2%Wooded land
54 tonsBiomass / forest ac
64.6°FAvg temp

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Answers from the rulebook for Smith County

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

Smith County rules

  • County-wide zoningAbsent

    Smith County's official department list includes no planning or zoning office and there is no county-wide zoning ordinance; zoning exists only within municipalities.

    Smith County - Departments ↗Scouted from the county site, not yet independently re-checked

Mississippi rules that apply here

  • Owner-builder exemptionAvailable (with conditions)

    A person undertaking construction or improvement on the person's own residence or acting as the person's own general contractor for construction or improvement on that residence, for purposes of Mississippi residential builder and remodeler licensing requirements.

    • The exemption concerns the licensing chapter for residential builders and remodelers; it does not by itself establish exemption from a locally required building permit or inspection.
    • The same official legislative text also states that related exemptions have limits on permit applications or residences constructed within a one-year period, depending on the subsection and circumstances.
    “(1) This chapter shall not apply to: [...] (b) Any person who undertakes construction or improvement on his own residence, or who acts as his own general contractor in the performance of construction or improvement on his own residence;”
  • Building code adoptedPartial

    Mississippi counties and municipalities subject to the statewide uniform-building-code framework.

    • All counties and municipalities must enact uniform building codes unless they opted out prior to November 30, 2014.
    • The source describes the statewide framework but does not establish that every county or municipality currently has an adopted code.
    “Under Senate Bill 2378 of 2014, all counties and municipalities must enact uniform building codes unless they opt out prior to Nov. 30, 2014. Please complete the following information regarding your county or municipality’s building code policies.”
  • InspectionsLimited

    Pediatric skilled nursing facilities regulated by the Mississippi State Department of Health.

    • Upon completion of construction, the Licensing Agency must inspect and approve the facility before occupancy.
    • The state and county health departments may access the job site during regular business hours and conduct construction progress inspections as deemed necessary by the agency.
    “Upon completion of construction, an inspection shall be made by the Licensing Agency and approval given prior to occupying the building or any part thereof. The state and county health departments shall have access to the job site during regular business hours and shall conduct construction progress inspections as deemed necessary by the agency.”
  • Certificate of occupancyLimited

    Pediatric skilled nursing facilities regulated by the Mississippi State Department of Health at final inspection and close-out.

    • At final inspection, the State Agency must receive a Certificate of Occupancy or statement of approval from the local building official permitting occupancy for the facility's intended use.
    • If there is no local building authority, approval from the local fire authority having jurisdiction must be provided.
    • If the facility is state-owned and subject to the State Bureau of Buildings, Grounds and Real Estate Management, approval of occupancy must be coordinated between the state agencies involved.
    “A copy of the Certificate of Occupancy or statement of approval from the local building official permitting occupancy of the facility for its intended use. In the absence of a local building authority, approval of a local fire authority having jurisdiction shall be provided. If the facility is owned by the State of Mississippi and subject to the State Bureau of Buildings Grounds and Real Estate Management, approval of occupancy shall be coordinated between the state agencies involved;”
  • Who permits septicState

    Individual onsite wastewater systems and related permitting in Smith County.

    • Smith County is listed in the MSDH Central Region.
    • Local ordinances may also affect an application.
    “The On-site Wastewater program develops policy and regulations [...] Central Region [...] Smith”
    One more reviewed finding on this topic
    • Mixed — Statewide individual onsite wastewater disposal systems; the Mississippi State Department of Health establishes the rules and the appropriate county Department of Health performs local inspections.
      “Notify the Department at least 48 hours before beginning construction if acting as the Certified Installer of an Individual On-site Wastewater Disposal System and, at that time, schedule a time for inspection of the system with the appropriate county Department of Health.”
  • Well permitLimited

    Groundwater withdrawal permits for water wells in Mississippi.

    • A groundwater withdrawal permit is required for water wells with surface casing diameters of 6 inches or greater.
    • Some exclusions apply.
    • A separate contractor licensing requirement generally applies, but a landowner may drill without a Water Well Contractor license for a single-family permanent residence or farm livestock use if applicable construction standards are followed.
    • Wells with surface casing diameters below 6 inches may still be regulated by the Mississippi State Department of Health when part of a public water system.

    surface casing diameter threshold: >= 6 inches (Some exclusions apply.)

    “State law requires that you obtain a groundwater withdrawal permit for water wells with surface casing diameters 6-inches or greater in diameter. Some exclusions apply to this requirement.”
  • Mandatory utility hookupConditional

    Public water connections and connection to centralized wastewater treatment systems for residences, buildings, and facilities in Mississippi.

    • A public water utility may not connect water service without prior written Department approval certifying that the sewage treatment and disposal plan complies with state law.
    • Water utility connections may be made during construction only if the Department approved the sewage plan and the owner agreed to inspection and approval before use or occupancy.
    • Where centralized wastewater treatment is constructed and becomes available, onsite systems must be abandoned and residences, buildings, or facilities connected to the centralized system.
    • Temporary onsite systems may be used only under the stated 36-month centralized-treatment conditions.

    centralized wastewater availability deadline: 36 months (The developer must sign a written agreement to connect when available and install internal sewage collection to the connection point.)

    “Where a Centralized Wastewater Treatment System is available, all places shall have a properly constructed connection to the centralized wastewater treatment system which all human excreta and other liquid waste shall be disposed”
  • Driveway accessRequired

    Driveways and specified changes of use connecting to Mississippi state highways.

    • A permit is required for new driveways.
    • A permit is required for alterations to existing drives.
    • A permit is required for a change of use causing a daily-trip increase of 10% or 100 daily trips, whichever is greater.
    • A permit is required for property-use changes from non-commercial to commercial.
    • If access is expected to exceed 100 peak-hour trips, a traffic-impact study must be submitted.
    • If the permitted land use changes, the original permit is revoked and a new permit must be applied for.
    • A denied permit may be appealed within 10 days after receipt of the denial notification.

    daily trip increase threshold: 10 percent (or 100 daily trips, whichever is greater) · traffic impact study threshold: > 100 peak-hour trips · appeal deadline: 10 days (after receipt of denial notification)

    “For State Highways a permit is required for: 1. New driveways; 2. Alterations to existing drives;”
    One more reviewed finding on this topic
  • Building in a floodplainRequired

    Development or improvement activity on state-owned Mississippi property or buildings located in FEMA Special Flood Hazard Area zones A, AE, V, or VE.

    • The requirement applies to state-owned property or buildings.
    • For existing structures determined to involve less than a Substantial Improvement, no additional forms or approval are required after Step One.
    • For new development or a Substantial Improvement, the applicant must complete the Step Two form, obtain a Control Code, provide all required attachments, and submit final elevation certification and complete drawings and specifications.
    • Approval produces an initial approval letter and, after final requirements are approved, a final approval letter.
    • If Step Two is not approved and the project cannot be brought into compliance, a denial letter is issued.

    covered FEMA zones: A, AE, V, VE · substantial improvement threshold: less than a Substantial Improvement (no additional forms or approval required for the development project)

    “A development or improvement activity to state-owned property or building, [...] must complete a Floodplain Management Permit Application.”
  • Permit feesPublished (with conditions)

    Mississippi Department of Transportation over-dimensional and related permits statewide.

    • The published schedule applies to MDOT permit types, not a general statewide building-permit fee schedule.
    • Blanket permits are not prorated and are issued for one year unless otherwise specified.
    • Blanket permits must have valid insurance or a valid U.S. DOT number; if insurance expires or cancels, the blanket permit becomes invalid.
    • Overweight charges apply to weight exceeding 80,000 pounds or specified axle limits.

    oversize permit fee: 10 USD · oversize blanket fee: 100 USD · 72-hour legal trip permit fee: 25 USD · harvest permit fee: 25 USD · port permit fee: 170 USD per year · pole blanket fee: 200 USD

    “Oversize permit $10.00 Oversize Blanket $100.00”
    One more reviewed finding on this topic
    • Published (with conditions) — Published Mississippi State Department of Health onsite-wastewater application fees applicable in Smith County.
      “$197.50 [...] $100 [...] $412.50 + $2.60/unit [...] $325 + $6.50/lot”
  • Permit processPartial

    Mississippi local permitting for businesses and business-related construction or land development.

    • Permits may be required from city or county governments.
    • Different locations have different requirements.
    • Building permits generally come from the city or county building and planning department for constructing or modifying a place of business.
    • Zoning permits generally come from the city or county building and planning department for developing land for specific commercial use.
    “You may be required to apply for permits and licenses from your local government (e.g., city or county). Different locations have different requirements.”
  • Campground & park staysLimited

    Recreational-vehicle occupancy at campgrounds under the jurisdiction of the Pearl River Valley Water Supply District, including Coal Bluff, Goshen Springs, Leake County Water Park, Low Head Dam, and Timberlake.

    • The rules apply within all campgrounds under the District’s jurisdiction.
    • Campgrounds are not intended to be permanent domiciles for campground guests.
    • A recreational vehicle must be in operable road-worthy condition, properly registered and insured in its domicile state or province, with a current license plate affixed.
    • Campers may not stay on any pad longer than 12 consecutive months; Standard Plus campers may move to another available pad after 12 months, but the District is not responsible for making a pad available.
    • Campsites are typically designed for trailers or recreational vehicles no longer than 32 feet or wider than 8 feet, subject to the stated RVIA-seal, holding-tank, facility-capacity, and prohibited-unit conditions.
    • Primitive camping areas without water, electricity, or sewer are not intended for recreational vehicles.
    • No permanent structures may be erected on a campsite; temporary accessibility stairs, stoops, steps, or ramps require the stated approvals and size limits.
    • Camping is confined to designated campground or overflow areas, and no more than one camping unit is allowed per pad without Campground Manager approval.

    maximum stay on one pad: <= 12 consecutive months (Campers may move to a different available pad after 12 months.) · typical campsite RV length: <= 32 feet (Larger units may be accepted if they satisfy the stated RVIA seal, holding-tank, and facility-capacity conditions.) · typical campsite RV width: <= 8 feet (Larger units may be accepted if they satisfy the stated RVIA seal, holding-tank, and facility-capacity conditions.)

    “Campers shall not stay on any pad longer than 12 consecutive months”
    One more reviewed finding on this topic

Still unanswered

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

  • Building permit — Building permits for construction in Smith County, Mississippi, including unincorporated areas.
  • Local zoning — Aggregate local zoning rules within Smith County, including incorporated municipalities and unincorporated areas.
  • Zoning districts — Published zoning districts in Smith County.
  • Minimum dwelling size — Minimum dwelling size in Smith County.
  • Minimum lot size — Minimum lot size in Smith County.
11 more unanswered
  • Setbacks
  • Lot coverage
  • Building height
  • Living in an RV
  • Camping on your land
  • Tiny homes
  • Manufactured homes
  • Accessory dwellings
  • Agricultural exemption
  • Subdividing land
  • 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 Smith County, Mississippi

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

Smith County scores 76/100 on the Bolthole Index, a strong county profile. Its strengths: manageable long-term carry cost and strong self-sufficiency basics: 59″/yr rainfall plus 78.2% wooded land. Watch-outs: a weaker property-autonomy legal backdrop.

Do you need a building permit in Smith County, Mississippi?

Building-permit rules for unincorporated Smith County are not published on an official source, and it has no county-wide zoning. Onsite septic is permitted by Mississippi State Department of Health, On-Site Wastewater Program. Owner-builders may act as their own contractor to build their home. 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 Smith County, Mississippi?

Land in Smith County runs about $3,551 per acre, based on the latest county data.

What is the water situation in Smith County?

Smith County gets about 59" of rain a year, with severe drought in roughly 4.2% of years.

How remote is Smith County?

A representative private-land location has about 11,716 people within a 30-minute drive and 1,335,345 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 Smith County means bringing your own water and power. The kit we’d start with:

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How Smith compares in Mississippi

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