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ADUs are allowed in Unincorporated Baldwin
Types:DetachedInternal

Accessory Dwelling Unit (ADU) Rules for Unincorporated Baldwin, AL

Is your property eligible for an ADU?

# of Parcels
85,096
Zoning districts
94
Avg Parcel Value
$303,188
Median Parcel Size
0.85 acres
Zoning Districts:
84,896 parcels · 94 districts
NZ
34%(28,450)
RSF-2
13%(11,436)
RA
10%(8,211)
RSF-1
9%(7,295)
Other
35%(29,504)

ADU Rules

What can you build in Unincorporated Baldwin, AL?

Unincorporated Baldwin, AL follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.

Interior / Attached ADU Size Limits

  • Maximum internal/attached ADU size equal to the principal dwelling’s gross floor area (100% GFA) countywide, reduced to 60% of principal GFA in Planning Districts 10, 15, 19, 24, 26, 30, 32, and 33.

Detached ADU Size Limits

  • Maximum ADU size equals the principal dwelling’s gross floor area; in Planning Districts 19, 30, 32, 33, and in Planning District 26 for RSF‑1 or RSF‑2, the maximum is 60% of the principal dwelling.

Max Units

  • 1 per lot in Planning Districts 19 and 26; 0 per lot in Planning District 25; 0 per lot under the Planning District 14 Special Allowance for Duplexes

Parking

  • 2 spaces per dwelling unit; no ADU-specific parking provision; accessory dwellings use general dwelling minimums

What's allowed on your lot?

These are the municipality-wide rules. What's allowed on a specific property also depends on state laws, setbacks, floor area ratio, lot coverage, environmental constraints, topography, and other property-specific factors. Search your address on FutureLot to see what's allowed on your property.

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Is your property eligible for an ADU?

ADU rules in other Alabama municipalities

Rules change at the town line. Check the municipality your property is actually in.

Baldwin County