Wilkinson County, Mississippi does not publish a confirmed residential building-permit process, so ask the Board of Supervisors what approval applies before construction.1 Mississippi's statewide framework requires counties to enact uniform building codes unless they opted out by the 2014 deadline, but Wilkinson County's adoption or opt-out status could not be confirmed.2 Septic permits are handled by the Mississippi State Department of Health.3
At a glance
- Building permit
- County residential process unconfirmed; ask the Board of Supervisors before work14
- Building code
- State framework applies unless the county opted out by the 2014 deadline; local status unconfirmed2
- Zoning
- Countywide and local zoning status unconfirmed; ask the Board of Supervisors and the municipality54
- Septic
- MSDH permit required for a new on-site wastewater system67
- RV or tiny home
- Private-land occupancy rules unconfirmed; wastewater still needs an approved disposal route85
- Owner-builder
- State builder-license exemption may apply to work on your own residence, but it does not waive local approvals9
- Floodplain
- County office provides property information, permit records and compliance help10
Who to call
Also useful
Wilkinson County Board of Supervisors Office
County ordinances and county-operation questions when no dedicated building or zoning department is published
525 Main Street, P.O. Box 1284, Woodville, MS 39669
Septic permits
Mississippi State Department of Health, Division of On-Site Wastewater
On-site wastewater applications, soil and site evaluations, permits or recommendations, and inspections for Wilkinson County in the South Region
570 East Woodrow Wilson Drive, Jackson, MS 39216
Floodplain permits
Wilkinson County E-911 / Floodplain
E-911 addressing and floodplain property information, records, permits, elevation certificates and compliance questions
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 Wilkinson County, Mississippi?
Wilkinson County does not publish enough information to confirm its general residential building-permit requirement or application process.1 Mississippi's uniform-code framework says counties and municipalities must enact uniform building codes unless they opted out before the 2014 deadline, but the available record does not establish which path Wilkinson County took.2
Before ordering plans, pouring a foundation or placing a manufactured home in unincorporated Wilkinson County, call the Board of Supervisors Office and ask whether the parcel needs a building permit, inspections or another county approval.4 Land inside a city or town may have separate municipal requirements, and Mississippi notes that local permit requirements differ by location.11 The published state fire-inspection material covers particular regulated building categories rather than establishing a general county residential inspection rule.12
Who handles building and land-use questions in Wilkinson County?
Wilkinson County's published directory does not identify a dedicated building, inspection, planning or zoning department, so the practical first call for unincorporated land is the Wilkinson County Board of Supervisors Office at 601-888-4381.154 The Board is the county's governing body and adopts county ordinances and resolutions.4 Ask the office to confirm the current permit authority, adopted building code, inspection contact, fee schedule and whether the parcel falls inside municipal limits.4
For a new or corrected property address, contact Wilkinson County E-911 / Floodplain at 601-888-4381 ext. 21.10 The same office helps with floodplain property information, permit records, elevation certificates and compliance questions, and its online portal allows property-address searches.10 These contacts are separate from the state health department process for septic approval.7
Does Wilkinson County, Mississippi have zoning?
Wilkinson County's countywide zoning status could not be confirmed from a published county ordinance or zoning map.5 The same gap applies to setbacks, minimum lot size, minimum dwelling size, building height and accessory dwellings, so do not treat rural land as unrestricted.5 Ask the Board of Supervisors Office whether any county ordinance applies to the parcel and request the controlling document in writing.4
If the land is inside Woodville, Centreville or another municipality, ask that municipal government separately because city rules do not establish the rules for unincorporated Wilkinson County.11 For land in or near a mapped flood area, use the county flood portal and ask E-911 / Floodplain about available permits, elevation certificates and parcel-specific compliance information.10 A title review should also identify private restrictions or easements, which are separate from county zoning.4
How do septic permits work in Wilkinson County?
The Mississippi State Department of Health Division of On-Site Wastewater handles septic applications for Wilkinson County, which MSDH places in its South Region.137 A permit is required for installation of an on-site wastewater disposal system and for obtaining a water meter.6 The published process is application and payment, a soil and site evaluation, issuance of a permit or recommendation, installation, inspection and final approval or an eligible exemption.14
A certified installer must contact MSDH 24 hours before beginning construction to schedule the inspection.15 Only 8.9% of county soils are rated without severe limits for a conventional drain field, so make the site evaluation an early purchase contingency rather than assuming a standard field will work.16 Mississippi does not recognize gray water as a separate discharge: wastewater must go to a central sewer or septic system and cannot be released onto the ground, into a ditch or into a body of water.8
Can you live in an RV or tiny home in Wilkinson County?
Wilkinson County's rules for long-term RV occupancy, temporary camping and tiny-home occupancy on private land could not be confirmed.5 Ask the Board of Supervisors Office whether a county occupancy, structure, setback or land-use rule applies to the exact parcel, and ask the municipality as well if the property is inside city or town limits.411
Wastewater is the clear constraint even when the dwelling type is small or mobile.8 Mississippi requires wastewater to enter a central sewer or septic system, and an on-site wastewater installation requires an MSDH permit.86 A state owner-builder licensing exemption may cover someone constructing or improving that person's own residence, but the exemption does not itself remove a local permit or inspection requirement.9 Before moving an RV, manufactured home or tiny home onto the parcel, settle land-use status, wastewater approval, water service, access and floodplain questions in writing.4710
Building a home in Wilkinson County: steps in order
- Pin down jurisdiction. Confirm whether the parcel is unincorporated or inside a municipality, because Mississippi local permit requirements vary by location.11
- Call the county first. Ask the Board of Supervisors Office to identify the current building-permit, code, inspection and zoning authority for the parcel.154
- Check flood and addressing. Ask Wilkinson County E-911 / Floodplain for an address and parcel-specific flood information, records, permits, elevation certificates and compliance guidance.10
- Apply for wastewater review. Submit the MSDH application and payment so the soil and site evaluation can determine suitable system options.14
- Coordinate water service. Present the permit or recommendation issued after the soil and site evaluation to the water utility for a meter.17
What should you check before buying land in Wilkinson County?
Start with septic feasibility: only 8.9% of Wilkinson County soils are rated without severe limits for a conventional drain field, so a soil and site evaluation can materially change the build plan.16 The county averages 61.4 inches of precipitation annually, another reason to study drainage and site placement.18 Wilkinson County is 86% wooded and 66.8% of its land has a slope of 15% or less, but parcel-level clearing, grade and access still need direct inspection.1920
Search the county flood portal by address and ask E-911 / Floodplain for available permits, elevation certificates and compliance information.10 A new driveway connecting to a Mississippi state highway requires an MDOT permit; county-road access rules were not confirmed, so ask the Board of Supervisors Office about the road serving the parcel.214 For carrying costs, the county's median property-tax bill is $691 per year and the effective property-tax rate is 0.9%.2223
Watch-outs
- Do not assume Wilkinson County has no building code: Mississippi's framework required adoption unless the county opted out by the 2014 deadline, and the county's status remains unconfirmed.2
- A conventional drain field may be difficult because only 8.9% of county soils are rated without severe limitations; obtain the MSDH soil and site evaluation early.1614
- Rules for RV living, tiny homes, setbacks and minimum dwelling size could not be confirmed; ask the Board of Supervisors Office and, inside municipal limits, the relevant city or town.54
Sources
- Miss. Code Ann. §19-5-9(11) (2026 county census)
- Mississippi Uniform Building Codes, quoted and re-checked
- Mississippi State Department of Health - On-Site Wastewater (2026 county census)
- Wilkinson County Board of Supervisors Office (wilkinson.co.ms.gov)
- (2026 county census)
- WasteWater Application FAQs, quoted and re-checked
- Mississippi State Department of Health, Division of On-Site Wastewater (msdh.ms.gov)
- WasteWater Application FAQs, quoted and re-checked
- Mississippi Senate Journal, March 9, 2022 (Mississippi statewide rule), quoted and re-checked
- Wilkinson County E-911 / Floodplain (wilkinson.co.ms.gov)
- Start Your Business in Mississippi — County and City Permits (Mississippi statewide rule), quoted and re-checked
- Fire Code Enforcement, quoted and re-checked
- On-Site Wastewater - Mississippi State Department of Health, quoted and re-checked
- Notice of Intent: New Individual On-site Wastewater Disposal System, quoted and re-checked
- Notice of Intent: New Individual On-site Wastewater Disposal System, quoted and re-checked
- Share of soils without severe limits for a conventional septic drain field (USDA SSURGO): Bolthole Index county data
- Notice of Intent: New Individual On-site Wastewater Disposal System, quoted and re-checked
- Annual precipitation: Bolthole Index county data
- Wooded share of land: Bolthole Index county data
- Share of land at 15% slope or less: Bolthole Index county data
- Mississippi Access Management Guide (Mississippi statewide rule), quoted and re-checked
- Median property tax bill: Bolthole Index county data
- Effective property tax rate: 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.