ADU Regulations in Arlington, Texas
Midway between Dallas and Fort Worth in Tarrant County, Arlington evaluates ADU applications under its local zoning ordinance. Property owners should verify district-specific rules since Texas lacks statewide ADU legislation.
Below is a summary of the key zoning rules applicable to Accessory Dwelling Units in Arlington as of 2026. Regulations are governed by local zoning ordinances, as Texas has no statewide ADU mandate.
| Regulation | Requirement |
|---|---|
| Maximum Size | 1,000 sq ft |
| Property Setbacks | 5 ft rear, 5 ft side |
| Extra Parking Required | Required (1 space) |
| Owner Occupancy | Not required |
Additional Local Requirements for Arlington
- ADU allowed in residential zones per local ordinance
- Minimum 200 sq ft
- Building permit required
- ⚠️ TX has NO statewide ADU law — city code governs
📥 Download the Complete Arlington ADU Cheat Sheet
Get the step-by-step permit checklist, official government forms, direct planning department contacts, and estimated fees — all in one printable PDF for Arlington, Texas.
Download the Complete Arlington ADU Cheat Sheet — $12Frequently Asked Questions About ADUs in Arlington
Can I build an ADU in Arlington?
This Texas city permits ADUs under local ordinance. Verify your specific zoning district with the planning department before applying.
How big can my ADU be in Arlington?
What is the maximum ADU size allowed in Arlington? ADUs in Arlington can be up to 1,000 square feet, subject to the property's zoning and lot coverage limits. Always confirm the exact allowed size with the Arlington planning department before designing your project.
What about setbacks and other requirements in Arlington?
What are the setback requirements for an ADU in Arlington? ADUs in Arlington generally require setbacks of 5 ft rear, 5 ft side. California state law (AB 68) limits local setback requirements to 4 feet for existing structures, but always verify with local zoning.
Looking for other Texas cities?