Whether unincorporated Greene County, Mississippi requires a residential building permit remains unconfirmed because the county publishes no permit office or process1. Mississippi requires counties and municipalities to enact uniform building codes unless they opted out before November 30, 2014, but Greene County's opt-out and enforcement status could not be confirmed2. Septic permits go through the Mississippi State Department of Health3.
At a glance
- Building permit
- Unconfirmed for homes in unincorporated Greene County; ask the Board of Supervisors before construction1
- Zoning
- General countywide zoning is not confirmed; a county ordinance regulates mobile home parks45
- Septic
- A permit is required through the Mississippi State Department of Health36
- RV living
- Unconfirmed on private land; ask the Board of Supervisors about occupancy and siting before moving an RV onsite4
- Tiny home
- Occupancy, minimum size and setbacks are unconfirmed; ask the Board of Supervisors4
- Owner-builder
- State licensing exemptions can cover work on your own residence, subject to use and annual limits; local approvals still apply7
- Private well
- A groundwater-withdrawal permit applies at the state surface-casing threshold, subject to exclusions8
Who to call
Building permits
Greene County Board of Supervisors
Starting contact for questions about county construction approval, land-use ordinances and county-road access; no dedicated building office is published
413 Greene Avenue, Leakesville, MS 39451
Septic permits
Mississippi State Department of Health, Division of On-Site Wastewater
On-site wastewater applications, soil and site evaluations, permits or recommendations, inspections and individual water-supply assistance for Greene County
570 East Woodrow Wilson Drive, Jackson, MS 39216
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 Greene County means bringing your own water and power. The kit we’d start with:
- Water Crystal Quest Filter any source — well, rain, or creek — to drinking-clean.
- Power Bluetti Solar generators and home battery backup for living off the grid.
- Septic Soil percolation test kit Run your own perc test before paying an engineer — the first thing a septic office asks about.
- Water Well water test kit Bacteria, nitrates, hardness — know what the well on a parcel is really pumping.
These are affiliate links — we may earn a commission, at no cost to you. As an Amazon Associate, Bolthole Index earns from qualifying purchases.
Do you need a building permit in Greene County, Mississippi?
Greene County does not publish a residential building-permit office or process, so the permit requirement for a home in unincorporated Greene County remains unconfirmed1. Mississippi directs counties and municipalities to enact uniform building codes unless they opted out before November 30, 2014, but that statewide framework does not establish whether Greene County opted out or presently enforces a residential code9. Ask the Greene County Board of Supervisors what building approval, code, inspection and occupancy steps apply before ordering plans or beginning work101.
Who handles building permits in Greene County, and how do you reach them?
No dedicated Greene County building department, code office or residential permit process could be confirmed1. Start with the Greene County Board of Supervisors at (601) 394-5922 and ask which county official handles construction approval for the parcel, whether Greene County opted out of the state code framework, what code applies, when inspections occur and whether occupancy approval is needed1011. Do not assume that the absence of a published department means no building permit is required1. Wastewater is separate: the Mississippi State Department of Health handles on-site wastewater work in Greene County312.
Does Greene County have zoning?
Greene County is recorded as having no general countywide zoning because its official department roster lists no planning, zoning or code-enforcement office, but no explicit county statement rejecting zoning was confirmed4. The county does regulate mobile home parks: a park must contain at least 2 acres, may have no more than 50 mobile homes and may not exceed 5 spaces per gross acre13. Park setbacks are 50 feet in front and at least 25 feet at the side and rear, increasing to 50 feet where a side or rear yard abuts a public street5. These park standards do not answer setbacks or lot size for one mobile home on a private parcel. Ask the Board of Supervisors about that parcel's minimum dwelling size, setbacks and permitted uses104.
How do septic permits work in Greene County?
The Mississippi State Department of Health administers individual on-site wastewater systems in Greene County, which is in the agency's South Region3. A permit is required to install an on-site wastewater system, and the application covering the Notice of Intent and Final Approval has a $197.50 fee, subject to change and processing charges6. MSDH environmentalists provide soil and site evaluations and issue a permit or recommendation needed for a water meter12. The certified installer must notify MSDH 24 hours before installation and schedule the inspection; MSDH cannot grant final approval when installation occurred without inspection14. Only about 16.1% of county soils are rated without severe limitations for a conventional drain field, so secure the parcel evaluation before fixing the house site or system budget15.
Can you live in an RV or tiny home on your land in Greene County?
Greene County's rules for long-term RV occupancy, temporary camping and tiny-home occupancy on private land could not be confirmed4. Minimum home size and the dimensional rules for an individual private parcel also remain unconfirmed; the county's confirmed acreage, density and setback standards apply to mobile home parks, not automatically to a single mobile home or tiny home135. Ask the Greene County Board of Supervisors for the rule applying to the parcel and proposed occupancy before buying land or moving a unit onsite104. Wastewater must go to a central sewer or septic system, and gray water may not be discharged on the ground, into a ditch or into a body of water16.
Building a home in Greene County: the steps, in order
- Ask the Greene County Board of Supervisors which building approval, code, inspection and occupancy requirements apply to the unincorporated parcel101.
- Confirm county and any applicable municipal land-use rules; mobile home parks have specific acreage, density and setback standards, while general parcel rules remain unresolved135.
- Apply to MSDH for the on-site wastewater evaluation and permit or recommendation before choosing the final house and drain-field locations612.
- If acting as your own general contractor, confirm the state licensing exemption fits the project's ownership and use; the relevant exemptions limit covered owners to no more than 2 permit applications or single residences in 1 year17.
- Obtain an MDOT driveway permit for access to a state highway, and ask the county about access from a county road18.
- For a well with surface casing at least 6 inches in diameter, obtain the state groundwater-withdrawal permit unless an exclusion applies8.
What should you check before buying land in Greene County?
Start with wastewater feasibility because only about 16.1% of Greene County soils are rated without severe limitations for a conventional drain field15. Greene County receives about 62.9 inches of precipitation annually, so inspect drainage and evaluate the proposed house and septic areas under wet conditions19. About 90.7% of county land has a slope of 15% or less, while about 83.5% is wooded; verify the individual tract rather than relying on county averages2021. Farmland value averages about $4,071 per acre, and the typical home value is about $166,3052223. The effective property-tax rate is about 0.8%, with a median annual bill of about $7672425. Before closing, confirm legal access, floodplain requirements, wastewater feasibility and every applicable building or land-use approval with the responsible offices13.
Watch-outs
- Do not treat the lack of a published building office as a permit exemption; Greene County's residential building-permit process and uniform-code status remain unconfirmed12.
- Greene County's mobile home park standards do not establish the lot size or setbacks for one mobile home on an individual parcel135.
- A permanent water connection requires an approved sewage-disposal solution, either sewer or septic26.
- Gray water may not be discharged on the ground, into a ditch or into a body of water; it must go to central sewer or septic16.
Sources
- Miss. Code Ann. §19-5-9(11) (2026 county census)
- Mississippi Uniform Building Codes, quoted and re-checked
- On-Site Wastewater, quoted and re-checked
- Greene County MS official government site (2026 county census)
- Mobile Home Park Ordinance, quoted and re-checked
- Wastewater Application FAQ, quoted and re-checked
- Mississippi State Board of Contractors Residential Builders Law 2022, quoted and re-checked
- Guidelines for Securing the Services of a Water Well Driller (Mississippi statewide rule), quoted and re-checked
- Mississippi Uniform Building Codes, quoted and re-checked
- Greene County Board of Supervisors (greenecountyms.gov)
- Mississippi Uniform Building Codes, quoted and re-checked
- Mississippi State Department of Health, Division of On-Site Wastewater (msdh.ms.gov)
- Mobile Home Park Ordinance, quoted and re-checked
- apps.msdh.ms.gov, quoted and re-checked
- 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
- Wastewater Application FAQ, quoted and re-checked
- Residential Laws and Rules, quoted and re-checked
- Mississippi Access Management Guide (Mississippi statewide rule), quoted and re-checked
- Annual precipitation: Bolthole Index county data
- Share of land at 15% slope or less: Bolthole Index county data
- Wooded share of land: Bolthole Index county data
- Farmland value per acre (USDA census): Bolthole Index county data
- Typical home value (Zillow): Bolthole Index county data
- Effective property tax rate: Bolthole Index county data
- Median property tax bill: Bolthole Index county data
- Wastewater Application FAQ, quoted and re-checked
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.