Accessory dwelling unit companies

Looking for accessory dwelling unit companies in Los Angeles, CA? Call AccessoryDwellingUnit Direct 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 variables that shift your total investment. The footprint size and complexity of the architectural design are primary factors. Are you planning a detached unit that requires new utility trenching, or is this a garage conversion that uses existing plumbing? Site accessibility, soil conditions, and your choice of finishes—like luxury flooring versus standard options—also play significant roles. Permitting fees vary widely depending on your local municipality and current zoning requirements. Exact pricing confirmed free on the call.

About this service

ADU companies provide end-to-end solutions, often integrating design, permitting, and construction under one roof. You need to engage a company when you want a streamlined experience and want to avoid the stress of hiring separate architects and builders. These companies handle the coordination of the entire project, ensuring that every phase of development transitions smoothly while keeping you updated on the progress and budget status of your new unit.

Frequently asked in Los Angeles

What are the disadvantages of ADUs?

In Los Angeles, potential disadvantages can include navigating local zoning and permit processes, even with streamlined rules. You'll also need to consider the impact on your existing yard space and potential increased utility costs. Careful planning can mitigate these issues.

How much does an ADU cost in Massachusetts?

While this is Los Angeles, ADU costs are highly variable based on size, design, and site conditions. Factors like foundation type, finishes, and any necessary utility upgrades significantly influence the price. A local pro in LA can give you an accurate estimate for your specific project.

What are the rules for ADUs in California?

California has state-level ADU laws, and Los Angeles has its own specific ordinances that build upon them. These rules cover everything from maximum size to owner-occupancy requirements. A specialist can clarify how these apply to your property.

Is an ADU allowed in Maryland?

This service focuses on Los Angeles. ADU regulations differ greatly by location. Los Angeles has specific laws designed to encourage ADU development, but understanding your property's zoning is essential. A local expert can confirm permissibility and guide you.

What are the rules for ADU in California?

California has offered various grants and incentives for ADUs, which can change. The availability and specifics of such programs for Los Angeles residents need to be confirmed. Discussing your project with a pro can help you explore potential funding.

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: Santa Monica, Pasadena, Hollywood, Venice, Silver Lake, Burbank — and every surrounding area.