Unincorporated Baldwin County, Alabama requires a building permit for new construction, even when the owner acts as their own contractor1. The county also enforces its own Zoning Ordinance in zoned unincorporated areas, with site-plan review folded into the same permit application2. Septic systems go through the Baldwin County Health Department under Alabama's statewide onsite sewage program, and a homeowner can file a Sworn Statement of Exemption to build their own home without hiring a licensed contractor, though the building permit itself is still required34.
At a glance
- Building permit
- Required for new construction and most alterations, even for owner-builders1
- Zoning
- Yes, in zoned unincorporated areas; site-plan review is part of the permit application2
- Septic permit
- Required; issued by the Baldwin County Health Department3
- Owner-builder exemption
- Yes, from contractor licensing (file a Sworn Statement); the building permit is still required45
- Manufactured home
- Allowed if it carries a HUD Seal and is connected to required utilities6
- Driveway onto a state highway
- Needs an ALDOT Form BM-111 permit before construction7
- Coastal construction control line
- A separate ADEM permit is needed if any part of the parcel is at or seaward of it8
- Property tax
- About 0.3% effective rate; median bill about $881/year910
Who to call
Building permits
Baldwin County Building Department
Issues building permits and inspects new construction and most alterations in unincorporated Baldwin County and the Towns of Elberta, Magnolia Springs and Perdido Beach
Zoning
Baldwin County Planning & Zoning Department
Implements the Baldwin County Zoning Ordinance in zoned unincorporated areas of the county
Health department
Baldwin County Health Department (Environmental and Vital Statistics)
Onsite sewage (septic) permitting for Baldwin County under the Alabama Department of Public Health program
22251 Palmer Street, P.O. Box 369, Robertsdale, Alabama 36567
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 Baldwin County, Alabama?
Unincorporated Baldwin County, Alabama requires a building permit for new construction and most alterations, and the Building Department inspects the work1. This is true even if you act as your own contractor: a permit is required even if a property owner acts as their own contractor, in the department's own terms1. Alabama law lets a county commission adopt building codes and employ inspectors for unincorporated areas, and Baldwin County has done so11. If any part of your parcel is intersected by or seaward of Alabama's coastal construction control line, expect a separate ADEM coastal permit on top of the county's building permit, covering new structures and substantial improvements, including single-family homes8.
Who handles permits in Baldwin County, and how do you reach them?
Baldwin County runs both a Building Department and a Planning & Zoning Department, and both are reached through the same Citizen Service Center1213. Call 251-580-1695 for building-permit or zoning questions, or apply online through the county's CitizenServe portal, which covers both building permits and zoning site-plan review1213. Septic permits go through a different office: the Baldwin County Health Department's Environmental and Vital Statistics office, at 22251 Palmer Street, Robertsdale, AL 36567, phone 251-947-361814.
Does Baldwin County have zoning?
Baldwin County has its own Zoning Ordinance, which the Planning & Zoning Department implements in zoned unincorporated areas of the county2. Alabama counties generally lack broad zoning authority, but Baldwin is one of a small number the state's own county-government handbook names as having built zoning authority through local law15. Because zoning here applies only to zoned unincorporated areas rather than the whole unincorporated county, confirm with Planning & Zoning whether your specific parcel is zoned before assuming a district's setbacks, minimum lot size or use rules apply to it2. Site-plan review for zoning is combined with the building-permit application, so you generally submit both at once rather than getting separate approvals2.
How do septic permits work in Baldwin County, Alabama?
Septic systems in unincorporated Baldwin County are permitted by the Baldwin County Health Department, operating under the Alabama Department of Public Health's onsite sewage program3. Alabama law requires anyone not connected to a public sanitary sewer to get a Permit to Install from the local health department before construction can begin, and only a registered engineer may design a system where soil percolation takes longer than 60 minutes or a shallow limiting zone exists16. Soils are a real constraint in Baldwin County: only about 9.2% of the county's land is rated free of severe limits for a conventional septic drain field, so budget for a site evaluation and likely an engineered system on most tracts17. An inspection and Approval for Use are required before you can occupy a home served by a new system18.
Can you live in an RV or tiny home on your land in Baldwin County?
Whether you can put an RV, tiny home or manufactured home on your Baldwin County land depends on whether your parcel sits inside a zoned unincorporated area and what that district allows; no single countywide answer is published2. A manufactured home is allowed as a residence statewide once it carries a HUD Seal and is connected to required plumbing, heating, air-conditioning and electrical utilities, but local zoning, siting, health and permitting rules still apply on top of that state minimum6. Because Baldwin County has an actual zoning ordinance rather than no zoning at all, check your parcel's zoning district with the Planning & Zoning Department before assuming an RV, tiny home or manufactured home is allowed where you plan to put it13.
Building a home in Baldwin County: the steps, in order
- Contact Baldwin County Planning & Zoning to confirm whether your parcel is in a zoned unincorporated area and, if so, what that zoning district allows13.
- Apply for your building permit through the Building Department, either by phone at 251-580-1695 or online through the county's CitizenServe portal; site-plan review for zoning is submitted with the same application122.
- If you're building your own home rather than hiring a licensed contractor, file a Sworn Statement of Exemption from the Alabama Home Builders Licensure Law; any subcontractor whose portion costs more than $10,000 still needs to be licensed45.
- Contact the Baldwin County Health Department's Environmental and Vital Statistics office at 22251 Palmer Street, Robertsdale, AL 36567 to start your septic Permit to Install, and expect a site and soil evaluation given how limited local drain-field soils can be1417.
- If your driveway will connect to a state highway, submit ALDOT Form BM-111 to the district administrator before construction; you pay the turnout costs7.
- If any part of your parcel is at or seaward of the coastal construction control line, get your ADEM coastal permit before you build8.
- Budget for property tax: Baldwin County's effective rate runs about 0.3%, with a median bill around $881 a year910.
What to check before you buy land in Baldwin County, Alabama
Rain, not drought, is the headline risk here: Baldwin County averages about 64 inches of precipitation a year, and only about 8.2% of recent years have brought severe drought1920. Septic soils need real attention: just 9.2% of the county's land is rated free of severe limits for a conventional drain field, so budget for a site evaluation and likely an engineered system before you commit to a parcel17. Flat, wooded terrain is common: about 99.2% of Baldwin County is gentle land at 15% slope or less, and about 70.1% is wooded2122. Near the coast, check your parcel against Alabama's construction control line and any Special Flood Hazard Area map before you buy, since both can require permits on top of the county's own building permit823. Property taxes run low for a fast-growing coastal county, with an effective rate around 0.3% and a median bill near $881 a year, while farmland has recently valued around $6,202 an acre91024.
Watch-outs
- Baldwin County's zoning ordinance applies only to zoned unincorporated areas, not the whole unincorporated county; confirm your specific parcel's zoning status with Planning & Zoning rather than assuming a district's rules apply213.
- A permit is required even if you act as your own contractor; filing the state's owner-builder exemption waives contractor licensing, not the building permit itself14.
- Near the coast, check whether your parcel is intersected by or seaward of Alabama's coastal construction control line before you buy or build; that triggers a separate ADEM permit on top of the county's own8.
Sources
- Baldwin County Building Department - Permit Checklist (2026 county census)
- Planning Maps (2026 county census)
- ADPH Soil and Onsite Sewage (2026 county census)
- Baldwin County Building Department - Permit Checklist (2026 county census)
- Exemptions (Alabama statewide rule), quoted and re-checked
- What is a manufactured home? (Alabama statewide rule), quoted and re-checked
- ALDOT Permit Manual (Alabama statewide rule), quoted and re-checked
- Coastal Permitting Information, quoted and re-checked
- Effective property tax rate: Bolthole Index county data
- Median property tax bill: Bolthole Index county data
- Alabama County Commissioners Handbook, 13th Edition (Alabama statewide rule), quoted and re-checked
- Baldwin County Building Department (baldwincountyal.gov)
- Baldwin County Planning & Zoning Department (baldwincountyal.gov)
- Baldwin County Health Department (Environmental and Vital Statistics) (alabamapublichealth.gov)
- Alabama County Commissioners Handbook, 13th Edition (Alabama statewide rule), quoted and re-checked
- Onsite Sewage Disposal (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
- Septic Tank Systems (Alabama statewide rule), quoted and re-checked
- Annual precipitation: Bolthole Index county data
- Share of years in severe drought: Bolthole Index county data
- Share of land at 15% slope or less: Bolthole Index county data
- Wooded share of land: Bolthole Index county data
- My house is in a floodplain. What do I do if I want to build an addition or otherwise improve it? (Alabama statewide rule), quoted and re-checked
- Farmland value per acre (USDA census): 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.