ADUs are allowed in SomervilleTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Somerville, TX
Is your property eligible for an ADU?
# of Parcels
1,422
Zoning districts
8
Avg Parcel Value
$163,691
Zoning Districts:
1,603 parcels · 8 districts
R
58%(934)
AO
15%(243)
NZ
12%(195)
C2
7%(118)
Other
7%(113)
ADU Rules
What can you build in Somerville, TX?
Somerville, TX follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.
Eligibility
- –Internal / Attached ADU: Special Permit
- –Detached ADU: Special Permit
Owner Occupancy
- –ADU occupancy limited to the same owner or immediate family.
Parking
- –No ADU parking ratio; ADUs allowed only in A/O district via Special Use Permit with standards (rear of main dwelling, min 1/2-acre lot, building permit, no sale/sublet, must meet setbacks).
Rental Restrictions
- –ADUs in A/O must be occupied by immediate family and shall not be sublet; short-term rentals prohibited
ADU State Law
What can you build in Texas?
- –Texas does not have a statewide ADU law. ADUs are regulated entirely at the local level.
- –ADU rules vary significantly by city, and many jurisdictions prohibit ADUs outright.
- –Counties generally lack zoning authority, but other restrictions may still apply outside city limits.
- –Outside city limits, ADU feasibility often depends on subdivision rules, deed restrictions, and septic or fire requirements.
- –Building/fire codes are set statewide, but whether an ADU is allowed is local zoning.
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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ADU rules in other Texas municipalities
Rules change at the town line. Check the municipality your property is actually in.
Burleson County