CSLB B #1149349  ·  Licensed, Bonded & Insured  ·  Serving LA, Orange County & San Bernardino
Custom ADU built in Los Angeles by Renova Built
Home/Los Angeles
Licensed CSLB ADU Builder, Los Angeles

ADU Builder in Los Angeles, California

Renova Built designs, permits, and builds custom accessory dwelling units across the City of Los Angeles. If you want an ADU in Los Angeles, we know how LADBS reviews plans, how R1 and R2 zoning affects your lot, and how to move your project from drawings to a finished, permitted unit.

Permits Through LADBSCity of LA Dept. of Building & Safety
Licensed & BondedCSLB B #1149349
In-House Design + BuildOne accountable team
Why Los Angeles

Why Los Angeles Is Built for ADUs

If you own a home in the City of Los Angeles, an ADU is one of the most practical ways to add usable space and long-term value to your property. Los Angeles has embraced accessory dwelling units more than almost any city in California, and the local rules now make it realistic for most single-family and many multi-family lots to add a unit.

The first reason an ADU in Los Angeles pencils out is the housing stock itself. Much of the city sits on single-family R1 lots, often with an older detached garage or a deep backyard, which suits both garage conversions and new detached ADUs. Neighborhoods across the San Fernando Valley, Northeast LA, and South LA are full of exactly the kind of lots where an ADU fits cleanly.

The second reason is demand. Los Angeles has a persistent housing shortage, so a well-built accessory dwelling unit has a real, ongoing role whether you rent it, house family, or use it as a home office. Rental demand across the city is typically strong, though actual income depends on your neighborhood and finish level.

The third reason is the local framework. Because you are inside the City of Los Angeles, your project runs through LADBS rather than the county, and the city has published ADU standards and even pre approved plan options that can shorten review. We build accessory dwelling units in Los Angeles as a core part of what we do, and we handle the design, the permits, and the construction under one roof.

Custom detached ADU in a Los Angeles backyard by Renova Built
At a Glance

Los Angeles ADU Snapshot

The essentials for building an ADU in the City of Los Angeles at a glance, combining the California state rules that apply everywhere with the local LADBS details that govern LA-proper addresses.

California Baseline + Los Angeles Specifics
Up to 1,200 sq ftMax detached ADU size (cities must allow at least 800 sq ft)
4 ft minimumSide & rear setbacks for an ADU
16 ft base heightUp to 18 ft near transit; up to 25 ft or two stories if attached to the main home
~60-day ministerial reviewCity approval with no public hearing on a complete, compliant application
Not required for an ADUOwner-occupancy; a JADU within the home does require it
Not required near transit or for garage conversionsParking; converting a garage triggers no replacement parking
LADBS (City of LA Building & Safety)Local permit office; LA-proper differs from unincorporated LA County
All ADU typesBest-fit here; detached, attached, JADU, and garage conversion, with R1/R2 zoning applying
Completed LA buildsLocal note; our work includes an Eagle Rock detached ADU and garage conversions across the city

California ADU rules set the baseline statewide; local details can change, so we confirm the current requirements for your Los Angeles address before design.

Local Permits

The LADBS ADU Permit Process in Los Angeles

We handle the entire submission for you, so you never have to sit in a city counter line. Here is how the ADU permit process works in the City of Los Angeles.

Every ADU inside the City of Los Angeles is permitted through LADBS, the Los Angeles Department of Building and Safety. This is the single most important thing to understand about building here. If your address is in LA proper, your plan check, permits, and inspections go through LADBS, not through the county. Homes in unincorporated Los Angeles County, even ones with a Los Angeles mailing address, are handled by LA County Public Works instead, and the rules and timelines differ. We confirm which jurisdiction your lot falls under before we draw anything.

California law requires cities to approve a complete, compliant ADU application within 60 days, and LADBS reviews to that standard. Our team prepares your full plan set, including structural drawings and the Title 24 energy documentation the city requires, submits it to LADBS, and manages every plan-check correction until your project is cleared to build. Where a stock layout fits your lot, the city’s pre approved ADU plans can shorten plan check further.

For a deeper look at California ADU law and permit costs, see our ADU permits guide. When you are ready, the fastest path is a free consultation.

ADU plans and a LADBS building permit in Los Angeles
Los Angeles At a Glance

How an ADU in Los Angeles Gets Approved

LADBSAll City of LA ADU permits run through the Dept. of Building & Safety, not the county
60 DaysState deadline for a city to approve a complete, compliant ADU application
Up to 1,200 sq ftDetached ADU size allowed under California state law
ADU Services in Los Angeles

What We Build in Los Angeles

Every Los Angeles ADU project is fully designed, permitted, and built by one team. Explore the service that fits your lot.

There is no single right way to add an ADU in Los Angeles. The best path depends on your lot, your existing structures, and how you plan to use the finished space. A detached ADU gives you the most freedom and the highest rental value, a garage conversion is the lowest-cost route to a legal unit, and a home extension lets you grow your own living space instead of adding a separate dwelling. We design and build all three across the city, and we tell you honestly which one makes the most sense for your property during your free consultation.

New detached ADU in a Los Angeles backyard by Renova Built
Detached ADUA brand-new, standalone unit built in your Los Angeles backyard, from compact studios to multi-bedroom homes.ADU Construction
Garage conversion ADU in Los Angeles by Renova Built
Garage ConversionThe lowest-cost path to a legal ADU. We convert your existing Los Angeles garage into a permitted living space.Garage Conversion
Ground-floor home extension in Los Angeles by Renova Built
Home ExtensionAdd square footage to your existing home with a ground-floor extension designed to match your space.Home Extension
Zoning Basics

R1 and R2 Zoning for a Los Angeles ADU

Most homeowners building an ADU in Los Angeles are on an R1 lot, the city’s standard single-family zone. On an R1 lot you can generally add one detached or converted ADU plus a junior ADU inside the existing home, subject to setbacks, height limits, and the state size rules. That combination is why so many single-family properties across LA can add a unit without a variance.

If your property is zoned R2 or higher, it is treated as multi-family, and the ADU allowances change. Multi-family lots can often add more than one unit, including converting non-livable space such as storage or garage areas, alongside new detached construction. The exact count depends on the existing units and the lot.

Zoning also drives the details that decide whether a design clears plan check the first time: rear and side setbacks, the maximum height for a detached unit, and how close you can build to the main house. We check your zoning and lot conditions up front, so the plans we submit to LADBS match what your parcel actually allows.

Los Angeles single-family R1 lot suited to an ADU
Neighborhoods We Serve

Building ADUs Across Los Angeles

We build ADUs throughout the City of Los Angeles, including these neighborhoods and the surrounding area.

Los Angeles is not one market, it is dozens of them, and the right ADU approach shifts from one neighborhood to the next. The older single-family lots in Eagle Rock, Highland Park, and Mount Washington often have detached garages that convert cleanly into a legal unit, the deep backyards across the San Fernando Valley suit new detached ADUs, and South LA is full of R1 and R2 lots where added rental space is in demand. This page serves LA-proper neighborhoods that do not have their own page yet, so wherever you are in the city, we handle the design, the LADBS submission, and the full build under one roof.

San Fernando Valley Eagle Rock Highland Park Mount Washington South LA Van Nuys North Hollywood Silver Lake Mar Vista
Los Angeles ADU Cost

What an ADU Costs in Los Angeles

Pricing depends on the type and size of the unit. These are typical Los Angeles ADU ranges, not a fixed quote.

Project typeTypical Los Angeles range
Junior ADU (JADU)$110K to $200K
Garage conversion ADU$150K to $200K
Detached ADU (500 sq ft)$180K to $220K
Detached ADU (750 sq ft)$250K to $300K

A garage conversion is almost always the lowest-cost way into a legal ADU in Los Angeles, because the foundation, walls, and roof of the existing garage are already in place, so you are paying to finish a structure rather than build one from the ground up. A junior ADU carved out of the existing home can be lower still. A new detached ADU costs more because it is built from scratch, but it delivers the most square footage, the most privacy, and typically the strongest rental income.

Final pricing for your Los Angeles ADU depends on site conditions, finishes, and permit fees. We give you a clear, itemized estimate during your free consultation, so there are no surprises once construction begins. For a full breakdown by size and type, see our ADU cost guide.

Los Angeles Projects

Recent Los Angeles ADU Builds

View All Projects

These are a few of the Los Angeles ADU projects our team has designed, permitted, and built, including a detached ADU in Eagle Rock and garage conversions elsewhere in the city. Every LA build is handled in-house from the first site visit to the final LADBS inspection. The interior finishes you see here, the cabinetry, flooring, and lighting, are part of the same single contract, so there is no gap between the design we draw and the unit you move into.

Detached ADU built in Eagle Rock, Los Angeles by Renova BuiltDetached ADUEagle Rock, Los Angeles
Completed garage conversion ADU in Los Angeles by Renova BuiltGarage Conversion ADULos Angeles
Interior of a custom ADU built in Los Angeles by Renova BuiltInterior FinishDetached ADU, Los Angeles
Free Los Angeles ADU Consultation

Start Your Los Angeles ADU

Tell us a few details about your property and we will reach out, usually within one business day. No pressure, no commitment. Call (818) 968-2981 or send your details.

Los Angeles ADU FAQ

Los Angeles ADU Questions, Answered

Who issues ADU permits in the City of Los Angeles?

ADU permits in the City of Los Angeles are issued by LADBS, the Los Angeles Department of Building and Safety. LADBS handles the plan check, the permit, and the inspections. Homes in unincorporated Los Angeles County go through LA County Public Works instead, so the first thing we confirm is which jurisdiction your lot is in.

How is the City of LA different from unincorporated LA County for an ADU?

If your address is inside the City of Los Angeles, your ADU is permitted by LADBS under the city’s rules. If you are in an unincorporated area of the county, even with a Los Angeles mailing address, LA County Public Works reviews your project under county standards, and the setbacks, timelines, and fees can differ. We verify your parcel before drawing plans.

Can I build an ADU on an R1 lot in Los Angeles?

In most cases, yes. R1 is the city’s standard single-family zone, and you can generally add one detached or converted ADU plus a junior ADU inside the existing home, subject to setbacks, height limits, and the state size rules. R2 and higher zones are multi-family and may allow more units. We check your zoning up front.

What does an ADU cost in Los Angeles?

A garage conversion ADU in Los Angeles commonly runs $150K to $200K, a junior ADU $110K to $200K, and a new detached ADU $180K to $220K for around 500 sq ft, more for larger units. Final cost depends on site conditions, finishes, and permit fees. We give you an itemized estimate at your free consultation.

Which Los Angeles neighborhoods do you build in?

We build accessory dwelling units across the City of Los Angeles, including the San Fernando Valley, Eagle Rock, Highland Park, Mount Washington, South LA, Van Nuys, North Hollywood, Silver Lake, Mar Vista, and the surrounding areas. If you are in the city and do not see your neighborhood, reach out and we will confirm.

Call Now Free Estimate