Cost to build accessory dwelling unit

Looking for cost to build accessory dwelling unit in Irving, TX? Call AccessoryDwellingUnit Direct for a contact a provider — no obligation. Licensed adu builders serve Irving and the surrounding area, and you'll get straight answers on timing and what affects the price.

Last updated: September 24, 2026

What affects the price

Building an ADU involves variables that shift your total investment. The footprint size and complexity of the architectural design are primary factors. Are you planning a detached unit that requires new utility trenching, or is this a garage conversion that uses existing plumbing? Site accessibility, soil conditions, and your choice of finishes—like luxury flooring versus standard options—also play significant roles. Permitting fees vary widely depending on your local municipality and current zoning requirements. Exact pricing confirmed free on the call.

About this service

The expense of building an ADU varies based on site preparation, whether you need to run new sewer or electrical lines, and the level of interior customization you choose. Larger custom builds naturally require more materials and labor than simpler conversions. We provide exact pricing confirmed free on the call.

Frequently asked in Irving

What are the disadvantages of ADUs in Irving?

Potential disadvantages might involve ensuring sufficient utility capacity and complying with specific parking requirements in denser areas. You'll also need to factor in the permitting process. The local pros can help you navigate these challenges.

How much does an ADU cost in Texas?

The cost to build an ADU in Texas, including Irving, greatly depends on its size, complexity, and the materials selected. Site preparation and utility hookups are also key cost drivers. A free, customized quote will provide an accurate estimate for your specific project.

What are the rules for ADUs in Irving?

Is ADU allowed in Texas?

What are the rules for ADU in Texas?

The rules for ADUs in Texas are primarily set at the city level, meaning Irving has its own guidelines. These often include requirements for owner occupancy, minimum square footage, and exterior appearance. A local expert can ensure your project meets all necessary standards.

Also serving nearby: Carrollton · Dallas · Grand Prairie · Lewisville · Arlington

All cities in Texas →

More on this: HUD ADU resources — ADU policy and financing research.

Service area details

254,373residents

3,797per sq mile

8ZIP codes served

Serving all of Irving — population 254,373; about 3,797 residents per square mile across 67.0 sq mi. ZIP codes covered include 75014, 75015, 75016, 75017, 75038, 75039, 75059, 75060.

Neighborhoods served in Irving: Las Colinas, Valley Ranch, South Irving, North Irving, University Park — and every surrounding area.