ADU Rules: Irving vs Richardson
How do adu rules rules compare between Irving, TX and Richardson, TX?
Irving and Richardson have similar restriction levels.
Irving, TX
Dallas County
Irving's UDC permits ADUs in certain residential zones. Texas SB 1412 (2023) expanded ADU rights statewide. Local zoning districts determine where ADUs are allowed.
View full Irving rules →Richardson, TX
Dallas County
Richardson's Comprehensive Zoning Ordinance (Appendix A) governs accessory dwelling units. ADUs are subject to the same lot coverage, setback, and height limitations as other accessory structures. Residential zoning districts may restrict secondary dwelling units.
View full Richardson rules →Key Facts Comparison
| Fact | Irving | Richardson |
|---|---|---|
| Permitted | In certain residential zones | - |
| State Law | TX SB 1412 (2023) expands rights | - |
| Building Permit | Required | - |
| Standards | Must meet lot coverage, setbacks, size limits | - |
| Check Eligibility | Planning Dept. (972) 721-2424 | - |
| Authority | - | CZO (Appendix A) |
| Setbacks | - | 7 ft side, 3 ft rear, 18 in at alley |
| Height | - | 25 ft max (>150 sq ft) |
| Permit | - | Required for all conversions |
Highlighted rows indicate differences between cities.
Irving FAQ
Can I build an ADU in Irving?
ADUs are permitted in certain residential zones. Texas SB 1412 expanded ADU rights statewide. Contact Planning at (972) 721-2424 to check your property.
What are the size limits for an ADU?
Size limits depend on your zoning district, lot size, and lot coverage maximums. A building permit is required.
Richardson FAQ
Can I build an ADU in Richardson?
ADUs are subject to the CZO zoning district rules and accessory structure limits. Check with Development Services for your specific zoning district's permitted uses.
Can I convert my garage to a living space?
Garage conversions require a building permit and must meet all residential building code requirements including the adopted IBC.
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