ADU rules for South Houston
Accessory Dwelling Unit (ADU) Rules for South Houston, TX
Is your property eligible for an ADU?
# of Properties
3,847
Owner-occupied
67%
Zoning districts
1
Avg Home Value
$186,968
Median Lot Size
0.16 acres
Avg Income
$67,201
Residential Types:
3,847 housing units
Res Improved Table Value
100%
Zoning Districts:
5,262 parcels · 1 district
NZ
100%(5,262)
ADU Rules
What can you build in South Houston, TX?
South Houston, 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 permitted
Max Units
- –Detached ADU: 0 per lot
Owner Occupancy
- –No owner-occupancy requirement.
Rental Restrictions
- –Detached ADU may not be used as a dwelling.
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