ADU Regulations in Irving, Texas
Updated September 29, 2026
Located between Dallas and Fort Worth in Dallas County, Irving permits ADUs under local ordinance. Without a Texas statewide ADU law, the city's zoning code determines where accessory units are allowed and under what conditions.
Below is a summary of the key zoning rules applicable to Accessory Dwelling Units in Irving 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 Irving
- ADU allowed in residential zones per local ordinance
- Minimum 200 sq ft
- Building permit required
- ⚠️ TX has NO statewide ADU law — city code governs
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Can I build an ADU in Irving?
This Texas city permits ADUs under local ordinance. Verify your specific zoning district with the planning department before applying.
What is the maximum ADU size allowed in Irving?
ADUs in Irving 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 Irving planning department before designing your project.
What are the setback requirements for an ADU in Irving?
ADUs in Irving generally require setbacks of 5 ft rear, 5 ft side. Texas has no statewide ADU mandate — the exact setback figures come from Irving's own zoning code, so confirm them with the city planning department before you design.
Disclaimer: This guide summarises publicly available city zoning rules and is for general information only — it is not legal or architectural advice. Codes change; always confirm current requirements with the Irving planning department before you design or build.