ADU Impact Fees: Irving vs Richardson
How do adu impact fees rules compare between Irving, TX and Richardson, TX?
Irving, TX
Dallas County
Irving charges standard building permit, plan review, and trade permit fees on ADUs through Development Services. Water and wastewater impact fees apply under authority of Texas Local Government Code Chapter 395 when a new utility connection is established. Texas has no statewide ADU impact fee waiver. Sharing the principal dwelling's water and sewer tap is the most common cost-reduction strategy.
View full Irving rules →Richardson, TX
Dallas County
No data available yet for Richardson.
Key Facts Comparison
| Fact | Irving | Richardson |
|---|---|---|
| Permit Fee Basis | Construction valuation | - |
| Water/Sewer Impact | TX LGC Ch. 395 schedule | - |
| Tap Sharing | Avoids most impact fees | - |
| Roadway Impact | May apply by service area | - |
| State Waiver | None — Texas has no ADU exemption | - |
Highlighted rows indicate differences between cities.
Irving FAQ
Are ADU impact fees waived in Irving?
No. Texas has no statewide ADU impact-fee waiver. Irving charges standard impact fees authorized by Texas Local Government Code Chapter 395 when a new water or sewer tap is installed. ADUs sharing the principal dwelling's existing tap typically avoid most of the impact-fee charge but still pay building, plan review, and trade permit fees.
How much does an ADU cost in fees in Irving?
Expect building, plan review, and trade permit fees through Irving Development Services based on construction valuation. New water and sewer impact fees can add several thousand dollars per Chapter 395 calculation. Get a written fee estimate from the city before starting construction.
Richardson FAQ
No FAQs available.
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