ADUs are allowed in BellvilleTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Bellville, TX
Is your property eligible for an ADU?
# of Parcels
1,921
Zoning districts
10
Avg Parcel Value
$295,187
Zoning Districts:
2,040 parcels · 10 districts
R-2
39%(799)
R-1
19%(392)
MU
18%(371)
R-3
9%(190)
Other
14%(288)
ADU Rules
What can you build in Bellville, TX?
Bellville, TX 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
Interior / Attached ADU Size Limits
- –Maximum size is the lesser of 1,000 sq ft or 50% of the principal dwelling’s habitable area.
Detached ADU Size Limits
- –Maximum size of 50% of the principal structure's habitable area
- –Maximum size of 1,000 sq ft
Owner Occupancy
- –Owner must occupy the primary residence, either the main dwelling or ADU.
Parking
- –1 space/ADU (in addition to principal); space must be to the side or rear of the primary structure; BOA may waive/reduce off-street parking by special exception.
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.
Austin County