Accessory dwelling unit services

Looking for accessory dwelling unit 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

These services cover the entire lifecycle of a backyard home, from initial property assessments to navigating local permit applications. You need this when you want to add living space but don't want to handle the complex zoning paperwork or design requirements yourself. Professionals guide you through the rules to ensure your project stays compliant with state and city codes while maximizing your property’s potential for rental income or housing family members.

Frequently asked in Irvine

What are the disadvantages of ADUs in Irvine?

How much does an ADU cost in California?

ADU costs in California fluctuate based on the unit's size, the complexity of the design, and the quality of materials used. Site preparation and any necessary utility upgrades in Irvine also play a role. A personalized quote from a local professional will provide accurate pricing for your specific project.

What are the rules for ADUs in California?

California has state laws that streamline ADU approvals, but Irvine, like other cities, enforces its own zoning codes. These can detail requirements for setbacks, lot coverage, and parking. The pros we work with are knowledgeable about these specific local regulations. They ensure your project complies.

Is ADU allowed in Maryland?

Our services are focused on California, including Irvine. If you're looking for ADU information in Maryland, you'll need to find a provider specializing in that state. We offer expertise and connections for ADU projects within California. Let us help you with your Irvine needs.

What are the rules for ADU in California?

California's ADU laws generally allow for ADUs on most residential properties, setting forth maximum sizes and minimum requirements. Local jurisdictions must adhere to these standards, though they retain some authority over specific design elements. The specialists can clarify these rules for your Irvine property.

It's important to discuss current funding opportunities with the professionals who will be undertaking your project. They can advise on potential programs applicable to your Irvine ADU.

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: University Park, Woodbridge, Turtle Rock, Westpark, Oak Creek — and every surrounding area.