Unincorporated Lamar County, Alabama has no building permit requirement and no zoning ordinance12. Alabama gives counties no general zoning power unless they create it themselves, and Lamar County hasn't, so there's no county rule on minimum lot size, setbacks, dwelling size, or where you can place an RV, tiny home, or manufactured home3. Septic is the exception: the Lamar County Health Department's Environmental Office permits and inspects every onsite sewage system under Alabama Department of Public Health rules4. Alabama also lets an owner who does the work personally skip residential-contractor licensing on their own one- or two-family home, as long as it isn't built for sale5.
At a glance
- Building permit
- Not required in unincorporated Lamar County; no county building department identified1
- Zoning
- None; unincorporated Lamar County has no zoning ordinance23
- Septic permits
- Lamar County Health Department, Environmental Office, under Alabama Dept. of Public Health onsite-sewage rules4
- RV / tiny home / manufactured home living
- Unrestricted on a standalone tract under county rules, since Lamar County has no zoning authority3
- Minimum lot size, dwelling size, setbacks, height
- None set by the county3
- Owner-builder exemption
- Available statewide for an owner personally building or improving their own one- or two-family home, not offered for sale5
- Agricultural building exemption
- Available statewide for a qualifying agricultural building, excluding any residence inside it6
- Septic soil difficulty
- Only 3.7% of county soils are free of severe limits for a conventional drain field7
Who to call
Septic permits
Lamar County Health Department
Issues septic tank (onsite sewage) permits for Lamar County through its Environmental Office, under statewide Alabama Department of Public Health rules
300 Springfield Road, Vernon, Alabama 35592
Roads & driveways
Lamar County Engineer's Office
Handles county road and drainage matters for Lamar County; a driveway connecting to a state highway instead needs an ALDOT permit, not a county one
Also useful
Records deeds and other real-property documents for Lamar County
Contact details are copied from each office’s official page and were checked against it on September 24, 2026.
Do you need a building permit in Lamar County, Alabama?
No. Unincorporated Lamar County has no building permit requirement, and the county's official site shows no building or inspection department1. Alabama counties generally lack the authority to require building permits in unincorporated areas without special legislation, and nothing found in this research shows Lamar County has adopted any1. That could change: starting January 1, 2027, the Alabama Residential Building Code becomes the enforcement standard for residential construction, but only in local jurisdictions that already run a permitting and inspection program, and Lamar County doesn't have one today8. If you build the home yourself, Alabama's owner-builder exemption lets you act as your own contractor on your own one- or two-family residence, as long as you provide all the material supervision yourself and don't offer it for sale5.
Who handles septic, roads, and land records in Lamar County?
Lamar County has no building department, so the offices you'll actually deal with are for septic, county roads, and recording your deed. The Lamar County Health Department handles septic permits through its Environmental Office, at 300 Springfield Road, Vernon, Alabama 35592, phone 205-695-91959. The Lamar County Engineer's Office handles county road and drainage questions, phone 205-695-713610. Deeds and other real-property documents are recorded with the Lamar County Probate Office, phone 205-695-911911.
Does Lamar County have zoning?
Unincorporated Lamar County has no zoning ordinance, and Alabama law gives counties no general zoning power unless the county creates it, which Lamar County hasn't23. That means the county sets no minimum lot size, minimum dwelling size, lot-coverage limit, or building-height cap, and doesn't restrict where you place an accessory dwelling, an RV, a tiny home, or a manufactured home on your own land3. It's different inside the Town of Millport: Millport has its own zoning ordinance, plus a separate mobile-home ordinance that governs mobile homes and RVs and takes precedence wherever it conflicts with the town's zoning ordinance12. The City of Vernon is different too: its zoning ordinances prohibit construction in the floodplain, though the floodplain definition, permit process, and effective date weren't confirmed here13. Both of those rules apply only inside those towns' limits, not to unincorporated county land.
How do septic permits work in Lamar County?
Septic systems, called onsite sewage disposal systems in Alabama, need a Permit to Install from the local county health department before you build one, and construction can only start after that permit is issued14. In Lamar County, that's the Lamar County Health Department's Environmental Office, which handles septic-tank applications and permits under statewide Alabama Department of Public Health rules415. Soil is a serious constraint here: only 3.7% of Lamar County's soils are free of severe limits for a conventional drain field, among the toughest ground in the state for a standard system, so expect to need soil testing or an engineered design7. A registered engineer is required for any system where soil percolation is slower than 60 minutes, or where there's a shallow limiting zone16.
Can you live in an RV or tiny home on your land in Lamar County?
Yes, on a standalone tract in unincorporated Lamar County: the county has no zoning authority, so it places no restriction on RV, tiny-home, or manufactured-home occupancy on your own land3. A manufactured home still has to meet Alabama's statewide rules to be legally occupied: it must be installed by a state-certified installer and bear a HUD Seal, and it can't be occupied unless the installation follows the state's uniform standards17. That county-level freedom doesn't reach the Town of Millport, where a separate mobile-home ordinance controls mobile homes and RVs and takes precedence over the town's zoning ordinance wherever the two conflict12. Septic still applies everywhere: any RV, tiny home, or manufactured home that generates sewage needs a Permit to Install from the county Health Department14.
Building a home in Lamar County: the steps, in order
- Confirm your parcel is in unincorporated Lamar County and not inside Millport or Vernon, since both towns apply their own zoning or floodplain rules12.
- Arrange a site evaluation for your septic system early, since only 3.7% of Lamar County's soils are free of severe limits for a conventional drain field7.
- Apply for your Permit to Install with the Lamar County Health Department's Environmental Office before any septic work begins9.
- If you're acting as your own contractor, confirm you qualify for Alabama's owner-builder exemption, and remember any subcontractor you hire needs a license if their portion of the work costs more than $10,00018.
- If you're placing a manufactured home, use a state-certified installer and confirm the home carries a HUD Seal before you move in17.
- If your driveway will connect to a state highway, submit ALDOT Form BM-111 to the District Administrator before construction19.
- Record your deed and any related documents with the Lamar County Probate Office11.
What to check before you buy land in Lamar County
Check the soil first: only 3.7% of Lamar County's soils are free of severe limits for a conventional septic drain field, so budget for a site evaluation or an engineered system before you commit7. The county is heavily wooded, at 87.6% forest cover, and gets 58.3 inches of rain a year, both relevant to clearing and drainage costs2021. It's 53 miles to the nearest metro area, with a population density of 22.6 people per square mile, so plan for longer drives to contractors and inspectors2223. Confirm whether the parcel is inside Millport or Vernon before you buy, since both apply their own zoning or floodplain rules that unincorporated county land doesn't have12. The effective property tax rate runs about 0.2%, with a median annual bill near $245 on typical Lamar County parcels, among the lowest in the state2425.
Watch-outs
- Lamar County's own site doesn't explicitly state it has no building code or zoning ordinance; this guide draws that from the absence of any published department or ordinance, so confirm with the County Commission before you plan anything unusual12.
- Starting January 1, 2027, Alabama's Residential Building Code becomes mandatory for residential construction, but only where the local jurisdiction already runs a permitting and inspection program; Lamar County doesn't have one today, so watch for whether that changes8.
Sources
- Lamar County, Alabama - County Government (2026 county census)
- Lamar County, Alabama - County Government (2026 county census)
- Alabama law on county zoning and building authority
- Contact Us (2026 county census)
- Exemptions – Home Builders Licensure Board (2026 county census)
- Alabama Administrative Code, Home Builders Licensure Board Rules and Regulations (Alabama statewide rule), quoted and re-checked
- Share of soils without severe limits for a conventional septic drain field (USDA SSURGO): Bolthole Index county data
- Home Builders Licensure Law, Effective October 1, 2025 (Alabama statewide rule), quoted and re-checked
- Lamar County Health Department (alabamapublichealth.gov)
- Lamar County Engineer's Office (lamarcountyal.gov)
- Lamar County Probate Office (lamarcountyal.gov)
- Ordinance 2023-01-23: Mobile Homes, quoted and re-checked
- Lamar County Hazard Mitigation Plan 2014 Plan Update, quoted and re-checked
- Can I Live On This Lot?, quoted and re-checked
- Contact Us, quoted and re-checked
- Onsite Sewage Disposal (Alabama statewide rule), quoted and re-checked
- Installers, quoted and re-checked
- Exemptions – Home Builders Licensure Board, quoted and re-checked
- ALDOT Permit Manual (Alabama statewide rule), quoted and re-checked
- Wooded share of land: Bolthole Index county data
- Annual precipitation: Bolthole Index county data
- Distance to the nearest metro area: Bolthole Index county data
- Population density: Bolthole Index county data
- Effective property tax rate: Bolthole Index county data
- Median property tax bill: Bolthole Index county data
Written September 24, 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.