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Accessory dwelling unit construction cost — Irving, TX

Looking for accessory dwelling unit construction cost in Irving, TX? Call AccessoryDwellingUnit Services 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 investment. The final figure depends heavily on whether you choose a prefab unit or a custom build from the ground up. Site conditions are another major factor; if your property requires extensive grading, utility trenching, or foundation work, costs will climb. You also have to consider your choice of finishes, like high-end appliances or custom cabinetry. Navigating local permit fees and impact assessments also adds to the total.

About this service

The cost to build an ADU depends on factors like your foundation type, utility connection distances, interior finish choices, and whether you are doing a detached build or a garage conversion. We provide an exact pricing confirmed free on the call.

Frequently asked in Irving

What are the disadvantages of ADUs?

Potential downsides to ADUs can include the initial construction expense and the need to navigate local zoning ordinances, which can sometimes be intricate. Neighbors might express concerns about parking or privacy, though well-designed ADUs typically minimize these issues. Additional maintenance and utility costs are also factors to consider. However, many homeowners find the advantages substantial.

How much does an ADU cost in Texas?

The cost of an ADU in Texas, including Irving, varies widely. A basic garage conversion will likely be less expensive than a custom-built, standalone unit. The size of the unit, the quality of materials selected, and the site's specific needs for utilities and foundation work are major determinants of the price. A personalized quote is the best way to determine your project's cost.

What are the rules for ADUs in Texas?

In Texas, ADU regulations are primarily determined at the local level, so it's essential to check with the City of Irving's planning and zoning department. Typical rules cover setbacks, lot coverage limits, and sometimes parking provisions. Understanding these local ordinances is critical for a successful ADU project.

Is an ADU allowed in Maryland?

This question appears to be about a different state. In Texas, including Irving, ADUs are generally permitted, but the specific requirements are set by each municipality. It's always recommended to consult directly with your local city's building and planning department for the most accurate and up-to-date information on ADU construction.

What are the rules for ADU in California?

California has state-level legislation that generally permits ADUs, often superseding more restrictive local rules to encourage their development. These laws typically cover minimum unit sizes, owner-occupancy requirements, and aim for simplified permitting processes. If you're looking into ADUs in California, it's vital to research the latest state laws and any local additions.

California has offered various financial incentives, such as grants and loans, to assist homeowners in building ADUs. It's advisable to check current state housing resources for the most recent details on available ADU funding in California.

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

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