Accessory dwelling unit construction cost

Looking for accessory dwelling unit construction cost in Irving, TX? Call AccessoryDwellingUnit Solutions 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 several moving parts that shape your total budget. The biggest factor is whether you choose a prefabricated unit or a custom build on-site. Site preparation is also significant; if your land requires extensive grading, utility trenching, or foundation work, costs will climb. Your choice of finishes—like kitchen cabinetry, flooring, and siding materials—also shifts the bottom line. We help you navigate these variables to find a setup that fits your property. Exact pricing confirmed free on the call.

About this service

The cost of building an ADU depends on your choice of materials, the square footage, and whether you are doing a garage conversion or a new detached build. Site access and utility upgrades also play a big role in the final bill. Exact pricing confirmed free on the call.

Frequently asked in Irving

How much does an ADU cost in Texas?

The cost for an ADU in Texas, including Irving, is influenced by its size, the chosen materials, and any necessary site modifications. A detached unit will typically have different cost considerations than an attached garage conversion. Obtaining a custom quote is the most effective way to determine your specific project's investment.

What are the rules for ADUs in Texas?

Texas has state laws encouraging ADUs, but Irving's local zoning ordinances are paramount. These rules often specify requirements for setbacks, lot coverage, and the types of ADUs permitted. We can help you decipher the specific regulations applicable to your Irving property.

Is an ADU allowed in Maryland?

This information is for Irving, Texas. While Maryland has its own ADU regulations, in Texas, the local Irving zoning laws are what matter most. We can verify if adding an ADU is permissible for your specific location within the city.

What are the rules for ADU in California?

This information is relevant to Irving, Texas. California has unique ADU legislation, but here in Irving, you must follow the city's specific zoning guidelines. These rules cover aspects such as parking provisions and the maximum allowable size for an ADU. We can provide clarity on Irving's ADU requirements.

That specific grant program is exclusive to California. For ADU projects in Irving, Texas, there are no comparable state-level grants readily available. We can explore potential financing options or local incentives that might assist in funding your ADU construction.

What are the disadvantages of ADUs?

The primary disadvantages can include the initial construction costs and the potential reduction in your backyard space. You'll also want to consider how an ADU might impact your property's overall utility consumption and any associated maintenance. Thorough planning can mitigate these concerns.

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

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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, North Irving, South Irving, Downtown Irving — and every surrounding area.