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County government, local ordinances and questions about the unpublished building-permit process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

wastewater@msdh.ms.gov

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 October 10, 2026.

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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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 appears to have no countywide zoning ordinance, with zoning limited to municipalities4. Septic permits stay with the Mississippi State Department of Health inside towns and outside them.5 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. A permanent water meter cannot be issued until a permanent sewage-disposal solution, either a sewer line or a septic system, is available.14 A new single-family residence installing a septic system for the first time may qualify for an exemption under which the state does not go out to approve the installation, but a licensed installer must still install the system legally.15 Only about 14% of county soils avoid severe conventional-drain-field limitations, so make approval a purchase contingency16.

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: wastewater must go to a central sewer or a permitted septic system, and gray water may not be discharged on the ground or into ditches.17 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 permit18.
  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 recommendation1610. 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 void19.

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 $5212021.

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 limitations16.
  • A state-highway driveway requires MDOT approval, while we could not confirm a published rule for every county-road driveway19.

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. Wastewater Application FAQs, quoted and re-checked
  15. On-Site Wastewater - Mississippi State Department of Health, quoted and re-checked
  16. Share of soils USDA rates "not limited" for a conventional septic drain field (SSURGO). A strict rating: the median county is about 6% and a tenth of counties are 0%, so a low figure means most lots need a site evaluation or an engineered system, not that septic is impossible. Cite it only with that caveat: Bolthole Index county data
  17. Wastewater Application FAQs, quoted and re-checked
  18. Mississippi Access Management Guide (Mississippi statewide rule), quoted and re-checked
  19. Application for Permit to Construct Driveway with Connection to State Highway, quoted and re-checked
  20. Effective property tax rate: Bolthole Index county data
  21. Median property tax bill: Bolthole Index county data

Written October 10, 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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Compared with neighboring counties

RuleSmith CountyCovington CountyJasper CountySimpson CountyJones CountyJefferson Davis CountyScott County
Building permitNot publishedNot publishedNot publishedRequiredRequiredNot publishedLimited
County zoningNoNot publishedNot publishedNot publishedNot publishedNot publishedNot published
Septic permitsMS State Dept. of HealthMSDHMS State Dept. of HealthMS State Dept. of HealthCounty Health Dept.MS State Dept. of HealthScott County

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%Soils rated "not limited" for septic (strict USDA rating)
54,461 acWorkable land screen
78.2%Wooded land
54 tonsBiomass / forest ac
64.6°FAvg temp

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Cities and towns in Smith County

Inside a city or town, that city usually issues building permits and sets zoning; the county’s rules above cover unincorporated land. Septic, wells and floodplain rules usually stay with the county or state everywhere.

Town of Mize · Town of Polkville · Town of Raleigh · Village of Sylvarena · Town of Taylorsville

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)

    Mississippi residential-builder licensing for a person constructing or improving the person's own residence, including in Smith County.

    • The chapter does not apply to a person undertaking construction or improvement on the person's own residence or acting as the person's own general contractor.
    • For a related-person exemption, the owner must be related by consanguinity or direct affinity and the property or improvement must not be for sale, rent, public use, or public assembly.
    • A person specified in subsection (1)(b) or (c) shall not make more than one application for a permit to construct a single residence or construct more than one single residence within a period of one year.
    • More than one application or more than one single residence within one year creates a rebuttable presumption of intent to construct for sale, lease, rent, or a similar purpose.
    • A county or municipality building official must refuse a permit for work that would classify the applicant as a residential builder or remodeler unless the applicant provides evidence of licensure or exemption.

    maximum permit applications for a single residence by a person under subsection (1)(b) or (c): <= 1 application per year (More than one application creates a rebuttable presumption of intent to construct for sale, lease, rent, or similar purpose.) · maximum single residences constructed by a person under subsection (1)(b) or (c): <= 1 residence per year (More than one residence creates a rebuttable presumption of intent to construct for sale, lease, rent, or similar purpose.)

    “Any person who undertakes construction or improvement on his own residence, or who acts as his own general contractor”
    One more reviewed finding on this topic
    • Available (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.
      “(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

    The Mississippi Fire Prevention Code and State Fire Marshal enforcement for state-owned or state-agency buildings, public-assembly buildings, and buildings at least 75 feet high, subject to local fire-prevention-code exceptions stated in the statute.

    • The State Fire Marshal's Office adopted the 2024 editions of the International Fire Code and International Building Code effective July 1, 2024.
    • The Mississippi Fire Prevention Code applies to all buildings owned by the State or State Agencies.
    • It applies to all buildings utilized for public assembly except in a county or municipality that has adopted a fire-prevention code with standards not less stringent than the Mississippi Fire Prevention Code.
    • It applies to buildings whose construction permits were issued after the statutory effective date and that are not less than 75 feet in height, unless the county or municipality has adopted a fire-prevention code with standards not less stringent than the Mississippi Fire Prevention Code.

    International Fire Code edition: 2024 edition · International Building Code edition: 2024 edition · effective date: 2024-07-01 · height threshold: >= 75 feet (Local fire-prevention code exception applies where stated.)

    “AS OF JULY 1, 2024, THE STATE OF MISSISSIPPI – OFFICE OF THE STATE FIRE MARSHAL HAS ADOPTED THE 2024 ADDITION”
    5 more reviewed findings on this topic
    • Adopted (with conditions) — Mississippi counties and municipalities, including Smith County unless the jurisdiction timely opted out.
      “Under Senate Bill 2378 of 2014, all counties and municipalities must enact uniform building codes unless they opt out prior to Nov. 30, 2014.”
    • Partial — Mississippi counties and municipalities, including Smith County, subject to the county or municipality's opt-out status.
      “Under Senate Bill 2378 of 2014, all counties and municipalities must enact uniform building codes unless they opt out prior to Nov. 30, 2014.”
    • Adopted (with conditions) — State of Mississippi Office of the State Fire Marshal adoption of the 2024 International Fire Code and International Building Code.
      “AS OF JULY 1, 2024, THE STATE OF MISSISSIPPI – OFFICE OF THE STATE FIRE MARSHAL HAS ADOPTED THE 2024 ADDITION OF THE INTERNATIONAL FIRE CODE (IFC) AND THE INTERNATIONAL BUILDING CODE (IBC).”
    • Partial — Mississippi counties and municipalities subject to the statewide uniform-building-code framework.
      “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.”
    • Partial — Mississippi counties and municipalities, including residential building-code adoption subject to the statewide uniform-building-code framework.
      “Under Senate Bill 2378 of 2014, all counties and municipalities must enact uniform building codes unless they opt out prior to Nov. 30, 2014.”
  • 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;”
  • Manufactured homesLimited

    Occupation of Factory-Built homes, including manufactured homes, sited anywhere in Mississippi and installed on or after July 1, 2009.

    • The home must undergo inspection under the Mississippi Inspection Program before occupation.
    • The inspection is conducted by an inspector assigned by the State Fire Marshal’s Office to verify compliance with the manufacturer’s published installation instructions and Mississippi Installation Standards.
    • The retailer/developer and/or installer/transporter must submit a Property Locator/Certificate of Installation Form certifying compliant installation.
    • For new or used residential homes involving a retailer, the form and required photographs must be submitted within three business days after installation and before porches, decks, or skirting are installed.
    • For secondary sitings without a retailer, the installer/transporter must submit the form and required photographs within three business days after installation and before porches, decks, or skirting are installed.
    • All necessary state-law or local-authority-having-jurisdiction permits must be obtained before installation.
    • Inspection fees are paid by the installer/transporter, developer, or retailer, not the purchaser; failure to pay an invoice within 45 days is a regulatory violation.
    • Factory-Built homes designated and properly certified not to be used for human habitation, such as hunting/fishing camps or storage, are excepted from the human-habitation installation requirements.

    installation inspection applicability date: 2009-07-01 · current regulation effective date: 2026-07-01 · certificate submission deadline: <= 3 business days after installation (Must also be before installation of porches, decks, or skirting; secondary sitings without a retailer follow the installer/transporter rule.) · inspection scheduling window: 7 to 10 business days after receipt of Property Locator/Certificate of Installation (May be adjusted for Division resource and manpower shortages.) · inspection invoice payment deadline: <= 45 days from invoice date (Nonpayment is a violation and numerous unpaid invoices may delay or deny license issuance.)

    “Beginning July 1, 2009, every Factory-Built home that is sited within the State of Mississippi shall be subject to inspection under the MS Inspection Program prior to occupation.”
  • 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.”
  • Septic permitRequired

    Installation of septic systems and permanent sewage-disposal solutions in Smith County.

    • A permit is required for a water meter and installation of an onsite wastewater disposal system.
    • The applicant must apply and install from the permit issued by MSDH.
    • A licensed installer must install the system and submit the required paperwork.
    “The Permit is required for a water meter and the installation of an on-site wastewater disposal system.”
  • Septic inspectionLimited

    MSDH inspection or approval of onsite wastewater installations in Smith County.

    • The regular approval process includes MSDH approval of the installation.
    • An exemption is available only for a new single-family residence installing a septic system for the first time, subject to the stated acreage and parcel conditions.
    • Under the exemption, MSDH does not go out to approve the installation, but the system must still be installed legally by a licensed installer.

    first residence exemption minimum acreage: >= 2 acres (single tract of property) · second residence exemption minimum acreage: >= 5 acres (single tract of property)

    “Environmentalists offer Soil and Site Evaluations that provide property owners with a Permit/Recommendation (required to obtain a water meter) and suitable for installation.”
  • Off-grid sanitationLimited

    Off-grid wastewater sanitation in Smith County.

    • Wastewater must be piped into a central sewer system or septic system.
    • Gray water is not recognized separately and may not be discharged on the ground, into ditches, or into bodies of water.
    • A septic system requires an MSDH permit and licensed installer.
    “Mississippi does not recognize gray water. Anything that could be considered gray water in other states is classified as wastewater in Mississippi. All wastewater is required to pipe into a central sewer system or a septic system for proper disposal.”
  • 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”
    One more reviewed finding on this topic
    • Conditional — Permanent water-meter and sewer-connection conditions for property in Smith County.
      “State law requires you have permanent sewage disposal solution available to receive a permanent water meter. Permanent sewage disposal solutions can be a sewer line or septic system.”
  • Subdividing landRegulated (with conditions)

    Mississippi State Department of Health review of subdivision land divisions for onsite-wastewater suitability; this does not establish that MSDH approves the general land-use plat or replaces county or municipal plat review.

    • A subdivision is defined for this review as land divided into ten (10) or more lots, tracts, sites, or parcels for residential development.
    • Local or county ordinances may reduce the ten-lot threshold.
    • If public water will be used, the Bureau of Public Water Supply may require subdivision review regardless of lot count.
    • Developments of 35 or more lots and additional phases by the same owner require a feasibility study; developments under 35 lots may be required to obtain one case-by-case.
    • No lots may be sold or construction started before evaluation.
    • The subdivision plan-review fee is $325 plus $6.50 per lot; online payment is subject to a processing fee and fees may change.
    • The plan review is voided if the developer alters the plat without notifying MSDH; MSDH determines whether a new review is required.
    • MSDH reviews lots for general suitability of onsite wastewater treatment and disposal for one residence per lot; septic, soil, wetland, water-supply, and other health requirements remain applicable.

    residential subdivision threshold: >= 10 lots (Local ordinances may reduce the minimum below ten lots.) · feasibility-study threshold: >= 35 lots (Additional phases by the same owner also require a feasibility study; smaller developments may be required case-by-case.) · subdivision plan-review fee: 325 USD (Plus $6.50 per lot; online payment processing fee and possible additional costs may apply.)

    “All lots are reviewed for general suitability of on-site wastewater treatment and disposal for a single residence per lot.”
  • 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 processPublished (with conditions)

    MSDH onsite-wastewater permit process applicable in Smith County.

    • Submit a complete application and supporting documents.
    • Pay the required fee after MSDH receives the complete application.
    • MSDH provides confirmation paperwork after the property visit.
    • A regular septic installation requires MSDH approval and licensed installation.
    “File a complete application. Our application forms for new onsite wastewater systems are now online. Apply online using the button below. You may also use our printable PDF application forms. Submit documents to us by fax, mail to our physical location (see contact information below) or by e-mail to wastewater@msdh.ms.gov . Please include identifying information with any submitted documentation. Pay fees. Once we receive a complete application, we will e-mail you a link to an online payment system (there is a small additional fee for online payment).”
    One more reviewed finding on this topic
    • Partial — Mississippi local permitting for businesses and business-related construction or land development.
      “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
  • county building authorityGeneral

    Mississippi county boards of supervisors' authority and obligation to adopt uniform building codes, including in unincorporated county territory, subject to the statutory opt-out framework.

    • All counties and municipalities must enact uniform building codes unless they opted out before November 30, 2014.
    • A county board of supervisors adopting building codes after July 1, 2008 must adopt as minimum codes codes established and promulgated by the Mississippi Building Codes Council.
    • The statewide source does not identify current county-by-county residential permit enforcement or opt-out status.

    opt-out deadline: 2014-11-30 · minimum-code requirement for codes adopted after: >= 2008-07-01

    “Under Senate Bill 2378 of 2014, all counties and municipalities must enact uniform building codes unless they opt out prior to Nov. 30, 2014.”

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.
9 more unanswered
  • Setbacks
  • Lot coverage
  • Building height
  • Living in an RV
  • Camping on your land
  • Tiny homes
  • Accessory dwellings
  • Agricultural exemption
  • 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.

How Smith compares in Mississippi

Compare side-by-side →See all 82 Mississippi counties ranked →