

ADUs are allowed in TroyTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Troy, AL
Is your property eligible for an ADU?
# of Parcels
8,054
Zoning districts
17
Avg Parcel Value
$204,485
Zoning Districts:
7,981 parcels · 17 districts
RR
27%(2,136)
R1
24%(1,901)
R3
17%(1,362)
R2
14%(1,088)
Other
19%(1,494)
ADU Rules
What can you build in Troy, AL?
Troy, AL follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.
Eligibility
- –Internal / Attached ADU: Conditional Use Permit
- –Detached ADU: Conditional Use Permit
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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