ADU rules for Wilmer
Accessory Dwelling Unit (ADU) Rules for Wilmer, TX
Is your property eligible for an ADU?
# of Properties
2,066
Owner-occupied
62%
Zoning districts
11
Avg Home Value
$151,212
Median Lot Size
0.28 acres
Avg Income
$65,908
Residential Types:
2,066 housing units
Single Family
59%
Apts (4+ units)
39%
Other
2%
Zoning Districts:
2,331 parcels · 11 districts
PD
40%(923)
SF-2
27%(632)
I1
14%(333)
SF-1
8%(175)
Other
11%(268)
ADU Rules
What can you build in Wilmer, TX?
Wilmer, 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
- –All other listed districts: 0 per lot
Rental Restrictions
- –No accessory building shall be used for dwelling purposes except by domestic servants; renting is prohibited unless the district expressly permits an ADU.
- –Same rule applies to attached ADUs; renting requires district authorization of an accessory dwelling use.
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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Is your property eligible for an ADU?
ADU rules in other Texas municipalities
Rules change at the town line. Check the municipality your property is actually in.
Dallas County