Homes with mother in law suites — Irvine, CA
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
These homes include a dedicated living area for family members, often equipped with a private bathroom or small kitchenette. You need this if you want to keep family close while respecting everyone’s need for personal space. The cost of adding this to your home is typically driven by your plumbing needs, electrical requirements, and the scale of the interior renovation. Exact pricing confirmed free on the call.
Frequently asked in Irvine
Can I get an ADU estimate for my Irvine property?
What are the accessory dwelling unit permit requirements in Irvine?
What defines the best accessory dwelling unit for Irvine?
What is involved in accessory dwelling unit construction in Irvine?
Are there accessory dwelling unit grants available in Irvine?
What are some accessory dwelling unit builders near me in Irvine?
What is an ADU near me in Irvine?
Also serving nearby: Santa Ana · Costa Mesa · Mission Viejo · Orange · Garden Grove
More on this: HUD ADU resources — ADU policy and financing research.
Service area details
Serving all of Irvine — population 314,621; about 4,795 residents per square mile across 65.6 sq mi. ZIP codes covered include 92602, 92603, 92604, 92606, 92612, 92614, 92616, 92617.
Neighborhoods served in Irvine: University Park, Woodbridge, Shady Canyon, Turtle Rock, The Great Park Neighborhood, Orchard Hills — and every surrounding area.
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