ADUs are allowed in Richland HillsTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Richland Hills, TX
Is your property eligible for an ADU?
# of Properties
2,739
Owner-occupied
0%
Zoning districts
16
Avg Home Value
$261,391
Median Lot Size
0.29 acres
Avg Income
$66,322
Residential Types:
2,739 housing units
Apts (4+ units)
1%
Other
99%
Zoning Districts:
3,562 parcels · 16 districts
SF-7
50%(1,781)
SF-10
25%(887)
MX
6%(212)
PD
5%(193)
Other
14%(489)
ADU Rules
What can you build in Richland Hills, TX?
Richland Hills, TX follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.
Eligibility
- –Internal / Attached ADU: Conditional Use Permit
- –Detached ADU: Conditional Use Permit
Interior / Attached ADU Size Limits
- –Maximum size of 40% of the livable floor area of the principal dwelling
- –Maximum size of 50% of the principal building floor area for any one accessory structure
Detached ADU Size Limits
- –Maximum size is 40% of the main structure’s livable floor area
- –Maximum size is 50% of the principal building’s floor area for residential accessory structures
Owner Occupancy
- –Owner-occupancy not required.
Parking
- –1 space per ADU
Rental Restrictions
- –Garage apartments (attached or detached) and guest houses may not be rented or leased separately from the main 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.
Tarrant County