ADUs are allowed in BellaireTypes:Detached
Types:Detached
Accessory Dwelling Unit (ADU) Rules for Bellaire, TX
Is your property eligible for an ADU?
# of Properties
6,373
Owner-occupied
84%
Zoning districts
17
Avg Home Value
$1,154,600
Median Lot Size
0.19 acres
Avg Income
$215,219
Residential Types:
6,373 housing units
Res Improved Table Value
100%
Zoning Districts:
6,692 parcels · 17 districts
R-3
54%(3,585)
R-4
25%(1,659)
R-1
7%(499)
R-5
6%(420)
Other
8%(529)
ADU Rules
What can you build in Bellaire, TX?
Bellaire, TX follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.
Eligibility
- –Internal / Attached ADU: Not addressed in the local bylaw
- –Detached ADU: By Right
Max Units
- –Single-family: 1 accessory residential structure with kitchen per lot; Duplex, townhouse, and multifamily: 0 ADUs.
Owner Occupancy
- –Owner-occupancy is not required; only non-rental use allowed.
Rental Restrictions
- –Detached ADU: rental of any residential accessory structure is prohibited; limited to housing guests temporarily, family members, or domestic employees.
- –Attached ADU: no rental restrictions specified in code.
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.
Harris County