Adu services — Irvine, CA | AccessoryDwellingUnit Solutions

Looking for adu services in Irvine, CA? Call AccessoryDwellingUnit Solutions for a contact a provider — no obligation. Licensed adu builders serve Irvine 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

ADU services manage the technical and creative side of building a secondary unit on your lot. Whether you are converting a garage or building a new structure from the ground up, you need these services to bridge the gap between architectural plans and physical construction. They help manage site preparation, utility connections, and structural integrity, ensuring your project is ready for occupancy without you having to coordinate multiple subcontractors independently.

Frequently asked in Irvine

What are the disadvantages of ADUs?

Disadvantages can include the initial investment, the permitting timeline, and potential impacts on your property's value or privacy. It's also important to consider ongoing maintenance and any local ordinances that might apply. A professional consultation can help you weigh these factors.

How much does an ADU cost in California?

The cost of an ADU in California, including in Irvine, depends heavily on its size, construction type, and the finishes you choose. Site preparation, utility connections, and any specific Irvine zoning requirements will also affect the price. A detailed quote from a local expert is essential.

What are the rules for ADUs in California?

California has state laws promoting ADUs, but cities like Irvine have their own specific regulations. These often address setbacks, height limits, and the number of ADUs permitted per lot. Understanding these combined rules is crucial for compliance.

Is ADU allowed in Maryland?

What are the rules for ADU in California?

California has state laws that encourage ADU development, but each city, including Irvine, has its own specific rules. These can cover aspects like parking, lot coverage, and the maximum size of an ADU. Discussing these with a local professional is recommended.

Also serving nearby: Santa Ana · Costa Mesa · Mission Viejo · Orange · Garden Grove

All cities in California →

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

Service area details

314,621residents

4,795per sq mile

8ZIP codes served

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: Village of Woodbridge, Spectrum, University Park, Northwood, Shady Canyon — and every surrounding area.