Montgomery County, Mississippi does not publish a residential building-permit office or process, so the permit requirement for unincorporated land remains unconfirmed; ask the county government before starting work12. We could not confirm countywide zoning from an official page3. Septic permits go through the Mississippi State Department of Health4.
At a glance
- Building permit
- Unconfirmed; ask Montgomery County before construction12
- Building code
- County-specific adoption or opt-out status is unconfirmed5
- Zoning
- No county zoning identified; ask the county to confirm for the parcel3
- Septic permit
- Required through the Mississippi State Department of Health67
- RV living
- Private-land occupancy rule not confirmed; ask the county government2
- Tiny home
- County occupancy, size and setback rules not confirmed3
- Owner-builder
- State licensing exemption applies to work on your own residence, but local permits may still apply8
- State-highway driveway
- A new or altered driveway requires an MDOT permit9
Who to call
Building permits
Main county government contact for confirming which office handles building permits, land-use questions and unincorporated parcels
614 Summit Street, PO Box 71, Winona, MS 38967
Septic permits
Mississippi State Department of Health, Division of On-Site Wastewater
On-site wastewater applications, policy, site evaluations, permits and inspections for Montgomery County
570 East Woodrow Wilson Drive, Jackson, MS 39216
Septic permits
Montgomery County Health Department
Local Mississippi State Department of Health contact for Montgomery County
707 Alberta Drive, Winona, MS 38967
Roads & driveways
Montgomery County Road Department
County roads, bridges, drainage, rights-of-way and road surfaces
614 Summit Street, PO Box 71, Winona, MS 38967
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 Montgomery County, Mississippi?
Montgomery County, Mississippi does not publish a residential building-permit office or application process, so we could not confirm how the county implements building permits in unincorporated areas1. Mississippi's statewide framework says counties and municipalities must enact uniform building codes unless they opted out before November 30, 2014, but that source does not establish Montgomery County's current adoption or opt-out status5. Call Montgomery County government at 662-283-2333 before construction and ask which office issues permits, what plans are required, what inspections apply and whether the parcel lies inside a municipality2. A city may have its own requirements, so an answer for unincorporated land should not be used for property inside Winona or another municipality.
Who handles Montgomery County building permits, and how do you reach them?
Montgomery County's official departments page lists emergency management, finance, fire services, purchasing, roads and sanitation, but it does not list a building, codes or planning department2. The practical starting point is Montgomery County government at 614 Summit Street in Winona, phone 662-283-2333, and the question to ask is who handles construction on the parcel's exact jurisdiction2. Do not assume the absence of a published department means no permit is needed. If the property is within municipal limits, contact that municipality separately. For an owner building or improving their own residence, Mississippi provides an exemption from the residential builder and remodeler licensing chapter, but that licensing exemption does not cancel any local permit, code or inspection requirement8.
Does Montgomery County, Mississippi have zoning?
Available county information indicates no county zoning in Montgomery County, Mississippi, but no official county page expressly says that unincorporated land is unzoned3. Treat parcel-level zoning, setbacks, minimum lot size, building height and minimum dwelling size as questions to confirm with Montgomery County government before purchase2. The county-level answer also does not settle rules inside Winona or another municipality. Long-term RV occupancy, tiny homes, manufactured homes, accessory dwellings, agricultural structures and subdivision review all remain unconfirmed for private land. Ask the county whether an ordinance, recorded subdivision restriction, floodplain condition or road right-of-way affects the tract, and have the deed and parcel identification ready when you call.
How do septic permits work in Montgomery County, Mississippi?
The Mississippi State Department of Health administers on-site wastewater policy, design assistance and inspections, and Montgomery County is in its Central Region6. A permit is required to install an on-site wastewater system and to obtain a permanent water meter7. File the online application, submit the requested documents, and pay after MSDH sends an electronic payment link; MSDH says the paperwork follows the property visit10. If public sewer is available, the sewer provider has the first opportunity to serve the property and MSDH may require a rejection letter before processing septic7. Only 1.4% of county soils are rated without severe limitations for a conventional drain field, so make the site evaluation an early contingency rather than assuming a standard system will fit11.
Can you live in an RV or tiny home on your land in Montgomery County?
We could not confirm a Montgomery County rule that generally allows or prohibits living in an RV or tiny home on private land. Available county information indicates no county zoning, but that is not enough to establish parcel-specific occupancy, dimensional or sanitation rights3. Ask Montgomery County government about occupancy, setbacks, minimum dwelling size and any floodplain restrictions before buying or moving a unit onto the property2. Sanitation is clearer: Mississippi classifies gray water as wastewater, requires wastewater to flow to a central sewer or septic system, and does not allow gray water discharge onto the ground, into ditches or into bodies of water12. A self-contained RV therefore does not create an exemption from the need for an approved wastewater plan.
Building a home in Montgomery County: the steps, in order
- Confirm whether the parcel is unincorporated and ask Montgomery County government which office handles building permits, codes, inspections and floodplain review21.
- Ask for written confirmation of zoning, setbacks, minimum dwelling size and any subdivision restrictions because available county information indicates no zoning but an express countywide statement was not found3.
- Apply to MSDH for the wastewater site evaluation and permit before committing to a house location; only 1.4% of county soils are rated without severe limits for a conventional drain field1011.
- If the driveway meets a state highway, obtain the required MDOT permit for a new or altered drive9.
- If a planned well has surface casing at least 6 inches in diameter, check the state groundwater-withdrawal permit requirement and its exclusions13.
What should you check before buying land in Montgomery County?
Start with wastewater feasibility: only 1.4% of Montgomery County soils are rated without severe limits for a conventional septic drain field, so make a satisfactory MSDH evaluation part of the purchase decision1110. Verify legal road access and call the Montgomery County Road Department about county-road, bridge, drainage and right-of-way conditions; the department maintains county roads and bridges14. A new or altered connection to a state highway needs an MDOT permit9. Water planning matters too: the county averages 57.6 inches of precipitation annually, while severe drought occurs in 6.1% of years1516. Finally, budget around an effective property-tax rate near 0.9% and a median annual property-tax bill of about $9921718.
Watch-outs
- Do not interpret the missing county building department page as a permit exemption; Montgomery County's residential permit and inspection process remains unconfirmed1.
- Montgomery County's countywide zoning status is not expressly confirmed on an official page, and municipal rules may differ from rules on unincorporated land3.
- Permanent water service requires an approved permanent sewage-disposal solution, and public sewer may take priority over a private septic system where service is available19.
- Conventional septic feasibility is unusually constrained because only 1.4% of county soils are rated without severe drain-field limitations11.
Sources
- Miss. Code Ann. §19-5-9(11) (2026 county census)
- Montgomery County government (montgomerycountyms.com)
- Montgomery County, MS - Departments (2026 county census)
- MSDH - On-Site Wastewater (2026 county census)
- Mississippi Uniform Building Codes (Mississippi statewide rule), quoted and re-checked
- On-Site Wastewater - Mississippi State Department of Health, quoted and re-checked
- WasteWater FAQ - Mississippi State Department of Health, quoted and re-checked
- Mississippi Senate Journal, March 9, 2022 (Mississippi statewide rule), quoted and re-checked
- Mississippi Access Management Guide (Mississippi statewide rule), quoted and re-checked
- On-Site Wastewater - Mississippi State Department of Health, quoted and re-checked
- Share of soils without severe limits for a conventional septic drain field (USDA SSURGO): Bolthole Index county data
- WasteWater FAQ: gray water and temporary sanitation, quoted and re-checked
- Guidelines for Securing the Services of a Water Well Driller (Mississippi statewide rule), quoted and re-checked
- Montgomery County Road Department (montgomerycountyms.com)
- Annual precipitation: Bolthole Index county data
- Share of years in severe drought: Bolthole Index county data
- Effective property tax rate: Bolthole Index county data
- Median property tax bill: Bolthole Index county data
- WasteWater FAQ - Mississippi State Department of Health, quoted and re-checked
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.