Accessory dwelling unit companies

Looking for accessory dwelling unit companies in Los Angeles, CA? Call AccessoryDwellingUnit Solutions for a contact a provider — no obligation. Licensed adu builders serve Los Angeles 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 companies offer end-to-end solutions, often handling everything from the first sketch to the final walk-through. You need these companies if you prefer a streamlined experience where one firm takes responsibility for design, permitting, and construction. They are ideal for homeowners who want to minimize the stress of managing multiple vendors and prefer a turnkey approach to adding a secondary residence to their property.

Frequently asked in Los Angeles

What are the disadvantages of ADUs in Los Angeles?

Potential disadvantages of ADUs in Los Angeles can include managing parking requirements, especially in densely populated areas. You might also encounter challenges with utility connections for a new structure. It's wise to consult with local experts to understand site-specific limitations.

How much does an ADU cost in Los Angeles?

The cost for an ADU in Los Angeles varies significantly based on size, design, and chosen finishes. Factors like foundation type, plumbing, electrical work, and any required demolition influence the final price. A personalized quote will provide the most accurate cost estimate for your specific project.

What are the rules for ADUs in Los Angeles?

Los Angeles has streamlined rules for ADUs, making them more accessible for homeowners. Key regulations cover minimum and maximum unit sizes, setbacks, and parking requirements. These rules apply across the city, from downtown to areas closer to South Gate.

Is an ADU allowed in Los Angeles?

Yes, Accessory Dwelling Units are widely permitted in Los Angeles, with specific state and local laws designed to encourage their development. The city has made efforts to simplify the process for homeowners looking to add these units. It’s important to verify specific zoning for your address.

This specific grant may no longer be active or widely available. For current funding opportunities in Los Angeles, it's best to inquire about local programs or financing options.

What are the rules for ADU in California?

California has state-level laws that set minimum standards for ADUs, which all cities must adhere to, including Los Angeles. These laws aim to reduce barriers to ADU construction, covering aspects like minimum unit size and owner occupancy. Local ordinances may add further requirements.

Also serving nearby: Santa Monica · Inglewood · South Gate · Compton · Torrance

All cities in California →

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

Service area details

3,820,914residents

8,120per sq mile

8ZIP codes served

Serving all of Los Angeles — population 3,820,914; about 8,120 residents per square mile across 470.5 sq mi. ZIP codes covered include 90001, 90002, 90003, 90004, 90005, 90006, 90007, 90008.

Neighborhoods served in Los Angeles: Hollywood, Silver Lake, Koreatown, Pasadena, Venice, Downtown LA — and every surrounding area.