FutureLot
ADU rules for Farmers Branch

Accessory Dwelling Unit (ADU) Rules for Farmers Branch, TX

Is your property eligible for an ADU?

# of Properties
9,478
Owner-occupied
79%
Zoning districts
19
Avg Home Value
$702,244
Median Lot Size
0.21 acres
Avg Income
$100,221
Residential Types:
9,478 housing units
Single Family
94%
Apts (4+ units)
1%
Other
5%
Zoning Districts:
13,741 parcels · 19 districts
PD
37%(5,018)
R-6
28%(3,806)
R-4
10%(1,414)
LI
9%(1,264)
Other
16%(2,239)

ADU Rules

What can you build in Farmers Branch, TX?

Farmers Branch, TX follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.

Owner Occupancy

  • Occupancy limited to owner/lessee's family, guest, or domestic workers.

Rental Restrictions

  • Accessory buildings shall not be used for rental purposes.
  • Applies to both detached and attached ADUs.

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.

Check my property

How can we help you?

Get matched with trusted local builders
Understand what's allowed on your property
Learn the key rules and size limits for ADUs

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

Browse addresses by ZIP in Farmers Branch