ADU rules for Webster
Accessory Dwelling Unit (ADU) Rules for Webster, TX
Is your property eligible for an ADU?
# of Properties
1,818
Owner-occupied
60%
Zoning districts
13
Avg Home Value
$295,105
Median Lot Size
0.31 acres
Avg Income
$89,887
Residential Types:
1,818 housing units
Res Improved Table Value
100%
Zoning Districts:
2,638 parcels · 13 districts
PD
40%(1,049)
R2
21%(559)
R1
9%(243)
C3
8%(214)
Other
22%(573)
ADU Rules
What can you build in Webster, TX?
Webster, 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: Not addressed in the local bylaw
Max Units
- –Commercial/industrial zones (O, C-1, C-2, C-3, M-1, M-2, NP): 1 accessory residential unit per development (by special use permit), totally contained within the structure.
Owner Occupancy
- –Occupants must be owners or full-time employees
Parking
- –3 spaces per ADU in commercial/industrial developments (by special use permit); no ADU minimum stated for residential districts; for accessory residential units in nonresidential developments, 3 spaces on the principal-use premises; uses not listed are set by the zoning board of adjustment upon the zoning official's recommendation.
Rental Restrictions
- –Accessory living quarters shall not be rented or used as a separate dwelling unit.
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