Last updated: September 24, 2026
What affects the price
Building an ADU is a custom project, so costs vary based on your specific choices. Site conditions are the biggest factor; if your land requires significant grading, utility extensions, or foundation work, those expenses add up quickly. Choosing high-end finishes, custom cabinetry, or complex roof lines will also push the budget higher compared to a standard design. Prefabricated units often offer predictable costs, while custom site-built structures allow for more flexibility but can be harder to estimate upfront. Exact pricing confirmed free on the call.
About this service
A San Diego-based contractor understands the specific seismic requirements, coastal commission rules, and local ordinances that govern backyard units in the region. You need a local specialist when your property is located within San Diego city or county limits to ensure your project complies with specific regional density mandates. These contractors are experts in navigating the unique permit process required by local authorities to get your project approved and completed correctly. Exact pricing confirmed free on the call.
Frequently asked in Irving
What factors influence the cost of building an accessory dwelling unit in Irving?
Are accessory dwelling units permitted in Irving, Texas?
What ADU services are available for Irving homeowners?
What exactly is an accessory dwelling unit?
How do I find accessory dwelling unit builders near me in Irving?
What are common home types that can accommodate a mother-in-law suite in Irving?
What is the typical ADU permit process in Irving?
Also serving nearby: Carrollton · Dallas · Grand Prairie · Lewisville · Arlington
More on this: HUD ADU resources — ADU policy and financing research.
Service area details
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 Lake, University Park, Downtown Irving — and every surrounding area.
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