ADU rules for Coppell
Accessory Dwelling Unit (ADU) Rules for Coppell, TX
Is your property eligible for an ADU?
# of Properties
12,393
Owner-occupied
83%
Zoning districts
25
Avg Home Value
$680,708
Median Lot Size
0.21 acres
Avg Income
$162,083
Residential Types:
12,469 housing units
Single Family
94%
2-3 Family
2%
Apts (4+ units)
4%
Zoning Districts:
14,885 parcels · 25 districts
SF-7
31%(4,637)
SF-9
25%(3,677)
SF
14%(2,012)
SF-12
7%(1,033)
Other
24%(3,526)
ADU Rules
What can you build in Coppell, TX?
Coppell, 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
- –One- and two-family lots (incl. SFD, duplex/townhouse): 0 ADUs/lot
Rental Restrictions
- –Detached ADU shall not be rented.
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