Unincorporated Chickasaw County, Mississippi does not publish a confirmed building-permit process or countywide zoning rule, so ask the Board of Supervisors before starting construction.12 Inside Houston, the city requires a building permit and zoning compliance for covered work, while septic permits for addresses throughout Chickasaw County stay with the Mississippi State Department of Health.3456
At a glance
- Building permit
- Unincorporated process unconfirmed; Houston requires permits for covered work13
- Zoning
- Countywide status unconfirmed; Houston has municipal zoning27
- Septic permit
- Required through MSDH; some qualifying installations do not receive an inspection6
- RV living
- Private-land residential occupancy rule not confirmed; ask county supervisors and the municipality if applicable2
- Tiny homes
- No county-specific occupancy, size or siting rule confirmed2
- Owner-builder
- State builder-license exemption for qualifying work on your own residence; building, zoning and septic approvals still apply8
- Private well
- State withdrawal permit at the casing-size threshold, subject to exclusions9
- Septic soils
- Only 1.5% of soils rate without severe limits for a conventional drain field10
Who to call
Building permits
Chickasaw County Board of Supervisors
Starting contact for unresolved county building-permit, zoning and land-use questions
1 Pinson Square, Houston, MS 38851
Septic permits
Chickasaw County Health Department
Local health-department contact for Chickasaw County; MSDH administers the statewide onsite-wastewater program
332 N Jefferson Street, Houston
Contact details are copied from each office’s official page and were checked against it on October 9, 2026.
Off-grid gear
Going off-grid in Chickasaw 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 Chickasaw County, Mississippi?
Chickasaw County's building-permit requirement and application process for unincorporated land could not be confirmed from a county ordinance, building-permit page or fee schedule.1 Mississippi's uniform-code framework generally requires counties and municipalities to enact uniform building codes unless they completed an earlier opt-out, but Chickasaw County's current code and enforcement policy remains unconfirmed.11
Inside the City of Houston, obtain a city building permit before covered excavation, filling, construction, moving, alteration or land development begins.3 Houston sells building permits at City Hall and charges $0.25 per square foot of total floor area.12 Houston also requires the building permit to conform to its zoning ordinance, but onsite wastewater remains under MSDH's countywide septic-permit program.456 For unincorporated land, call the Chickasaw County Board of Supervisors before clearing the site and ask which office handles building permits, inspections and occupancy approval.13
Who issues building permits in Chickasaw County?
For unincorporated property, the practical starting point is the Chickasaw County Board of Supervisors because a county building-permit office or process could not be confirmed.1 The Board's office is at 1 Pinson Square in Houston and can be reached at (662) 456-2513.13 Ask which office handles the parcel's building permit, adopted code, plan review, inspections, occupancy approval, floodplain review and county-road access.
Houston has a separate city process: the Zoning Administrator issues the building permit before covered work begins, the permit must conform to the zoning ordinance, and the permit is purchased at City Hall.4 For Okolona or another incorporated place, contact that municipality about building permits and zoning approval because Mississippi permit requirements vary by location.14 Septic permits do not shift to the city: MSDH administers onsite wastewater throughout Chickasaw County.56
Does Chickasaw County, Mississippi have zoning?
We could not confirm whether unincorporated Chickasaw County has countywide zoning, zoning districts or a published zoning map.2 County standards for minimum home size, minimum lot size, setbacks, lot coverage, building height, accessory dwellings and manufactured homes also remain unconfirmed.2 Ask the Board of Supervisors for a parcel-specific zoning answer before relying on how nearby land is used.13
Houston is different: city zoning regulations govern land use, districts and development standards within Houston.7 Houston's zoning map does not establish zoning for the rest of Chickasaw County.15 Houston building permits must conform to the city zoning ordinance, while MSDH—not the city zoning office—administers septic permits throughout Chickasaw County.456 Mississippi's building-code framework and zoning are separate questions, so an unknown county zoning status does not eliminate possible building-code or septic requirements.116
How do septic permits work in Chickasaw County?
The Mississippi State Department of Health administers onsite wastewater regulation in Chickasaw County, and installation of an onsite disposal system requires a permit.56 Contact the Chickasaw County Health Department at 332 N Jefferson Street in Houston or (662) 456-3737 for the local application path.16
Submit the application, property documents, plot plan and payment; after the file is complete, MSDH schedules a property visit and reports an average wait of 5–10 business days.17 The current Notice of Intent plus Final Approval fee is $197.50, subject to change and possible online processing costs.18 A qualifying first-time system for a new single-family home may avoid an installation inspection, but acreage and certified-installer conditions apply.19 Only 1.5% of county soils rate without severe limitations for a conventional drain field, so make septic feasibility a contract contingency.10
Can you live in an RV or tiny home in Chickasaw County?
We could not confirm a Chickasaw County rule that allows or prohibits long-term RV living, temporary camping or tiny-home occupancy on private land.2 Ask the Board of Supervisors about unincorporated land and the relevant municipality about property inside city limits before using an RV as a residence.13 Houston's municipal zoning governs land use and development standards inside the city, so a Houston parcel needs a city-specific zoning answer.7
For an RV or tiny home outside a sewer system, wastewater cannot be discharged as gray water onto the ground, into a ditch or into a body of water; it must go to a central sewer or septic system.20 Mississippi exempts a qualifying owner who builds or improves the owner's own residence from residential-builder licensing, but that exemption does not remove any required building permit, zoning approval or septic permit.8
Building a home in Chickasaw County: the steps, in order
- Confirm whether the parcel is unincorporated or inside a municipality because building-permit and zoning requirements vary by location.14
- For unincorporated land, ask the Board of Supervisors which office issues building permits and performs inspections.113 For Houston land, obtain the city building permit and confirm zoning compliance before covered work starts.4
- Decide whether to hire a licensed builder or use the owner-builder licensing exemption for your own residence; building, zoning and septic approvals still apply.8 More than two permit applications or two single residences within one year creates a rebuttable presumption that the work is intended for sale, lease, rent or a similar purpose.8 Agricultural buildings also have a state builder-licensing exemption, not a blanket exemption from building permits or health rules.21
- Resolve sewer or septic service with MSDH, then submit the septic-permit application, property documents, plot plan and payment before the property visit is scheduled.1716
- Confirm water and road access; larger-casing wells and driveways onto state highways may require state permits.922
What should you check before buying land in Chickasaw County?
Make an offer contingent on written confirmation of legal access, buildability, wastewater feasibility, water availability and flood status. Chickasaw County's unincorporated zoning, building-permit and floodplain-development procedures remain unconfirmed, so direct those questions to the Board of Supervisors.1213 Houston parcels instead follow the city's permit and zoning process.415
A permanent water connection requires a sewer or septic solution, and a property within 1 mile of a sewer line may be referred to the sewer provider before MSDH proceeds with septic.23 MSDH also reviews subdivision wastewater designs; its current fee is $325 plus $6.50 per lot, but that review is not a complete county subdivision-plat approval.24 Only 1.5% of county soils rate without severe limitations for a conventional drain field.10
Watch-outs
- An unknown building-permit status does not mean no permit is required; get the Chickasaw County answer before construction.113
- Only 1.5% of Chickasaw County soils rate without severe limitations for a conventional septic drain field, so confirm wastewater feasibility before closing.10
- Houston's permit and zoning rules apply inside the city and do not establish the rules for unincorporated Chickasaw County.315
- Mississippi does not treat gray water separately; off-sewer wastewater must go to sewer or septic rather than onto the ground or into a ditch or water body.20
Sources
- Miss. Code Ann. §19-5-9(11) (2026 county census)
- (2026 county census)
- Ordinances, Permits & Licenses — Houston, MS, quoted and re-checked
- Ordinances, Permits & Licenses — Houston, MS, quoted and re-checked
- On-Site Wastewater - Mississippi State Department of Health, quoted and re-checked
- Wastewater application FAQ, quoted and re-checked
- Ordinances, Permits & Licenses — Houston, MS, quoted and re-checked
- Mississippi 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
- 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
- Mississippi Uniform Building Codes, quoted and re-checked
- Ordinances, Permits & Licenses — Houston, MS, quoted and re-checked
- Chickasaw County Board of Supervisors (chickasawcountyms.gov)
- Start Your Business in Mississippi — County and City Permits (Mississippi statewide rule), quoted and re-checked
- Zoning Maps — Houston, MS, quoted and re-checked
- Chickasaw County Health Department (msdh.ms.gov)
- WasteWater Application FAQ, quoted and re-checked
- WasteWater Application FAQ — Fees and procedures, quoted and re-checked
- On-Site Wastewater — Mississippi State Department of Health, quoted and re-checked
- WasteWater Application FAQ, quoted and re-checked
- Mississippi Residential Builders Law, 2022, quoted and re-checked
- Mississippi Access Management Guide (Mississippi statewide rule), quoted and re-checked
- WasteWater Application FAQ, quoted and re-checked
- On-Site Wastewater - Mississippi State Department of Health, quoted and re-checked
Written October 9, 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.