







A free site visit, a check of what your lot allows and a written, line-item price.
Get your free estimateFast, Reliable ADU Builders Across West Hollywood
Adding an ADU in West Hollywood means working within a specific set of city rules that most contractors never read. We know them because we build here. West Hollywood’s ADU Accelerator Program hands out pre-approved plans for garage conversions, and our ADU Builders team uses those exact plan sets to cut weeks off your permit timeline. If you own a 1920s courtyard apartment or a single-family home in the Norma Triangle, call us at (213) 732-1415. We’ll walk your lot, check what the city will allow, and put a written price in front of you before anything gets demoed.
Why Fielding ADU Los Angeles Is West Hollywood’s Preferred ADU Builders Company

West Hollywood homeowners call us after they’ve been through the wringer with another contractor. They’ve had quotes change at the door, crews that vanished, and permits that never got pulled. That’s the problem we solve directly. Reed Calloway runs our ADU division, and he built the process around one rule: the price goes in writing before work starts, and the number you approve on day one is the number on the final invoice. No change orders unless you approve them in writing first.
Our crews show up in uniform, background-checked, and they work to The Garrison Standard, which we’ve held since 2006. That standard covers workmanship defects for a full 365 days after we finish. If something fails inside that year, we come back and correct it at no charge. You’ll find this spelled out on paper, not implied in a handshake. For a West Hollywood homeowner, that matters because the city’s design review board and smaller lots leave little room for sloppy work or surprises.
We serve West Hollywood directly from our Los Angeles dispatch office, so scheduling stays tight and the crew shows up when we say they will.
ADU Contractor in West Hollywood
An ADU Contractor in West Hollywood handles the full build, from the first site visit through final inspection, and in this city that means more than swinging a hammer. It means understanding West Hollywood’s Rent Stabilization Ordinance, the ADU overlay, and the design review process that rejects projects for not matching the street. Our team handles the complete scope: demolition, foundation or slab work, framing, electrical, plumbing, HVAC, finishes, and the final sign-off with the city.
A garage conversion ADU in West Hollywood typically runs $180,000 to $320,000 before permit fees, depending on whether we’re working from the city’s pre-approved plan set or doing a custom layout. Detached ADUs on small lots run higher, often $280,000 to $450,000, because West Hollywood’s tight setbacks and design review push costs up.
Garage Conversion Permitting
West Hollywood’s ADU Accelerator Program gives us pre-approved garage conversion plans. That is the single biggest time saver on a permit in this city. Using those plans typically cuts weeks from the permit review compared to a custom submittal. We handle the full permit packet, including the seismic and electrical upgrades the city will flag once walls are open.
Tenant-Occupied Buildings
Building an ADU on a multi-family lot in West Hollywood adds a layer of care. The Rent Stabilization Ordinance doesn’t block ADUs, but it does shape sequencing and notice requirements. We coordinate that with you so the work doesn’t turn into a tenant dispute.
ADU Design in West Hollywood

ADU Design in West Hollywood starts with the lot. Most lots here are under 5,000 square feet, and the city’s design review board looks hard at massing, rooflines, and how the new structure reads against Spanish Colonial Revival neighbors and historic courtyard apartments. Our design work covers everything from a simple studio ADU over a garage to a custom two-bedroom unit, and we draw it to pass review the first time.
Design fees for a West Hollywood ADU typically run $8,000 to $18,000 when we’re doing a custom set of plans. If you qualify for the ADU Accelerator Program’s pre-approved plans, design costs drop sharply because the city has already done the heavy lifting. We’ll tell you which path fits your lot and your budget before you spend a dollar on drawings.
Compact, High-Design Units
West Hollywood rewards small ADUs done well. A 450 to 600 square foot studio with good glazing, a cool roof, and the right exterior materials passes design review faster than a bulky two-bedroom that fights the lot. We use James Hardie siding, stucco, and shading devices that hold up under the city’s intense summer sun and keep cooling demand down.
Prefab and Modular Options
We’re fluent with Cover in West Hollywood, plus Dvele and Boxabl platforms. On a tight lot with limited staging room, a prefab panelized ADU can go up in days instead of months. The caveat is that West Hollywood’s design review still applies, so we work the prefab drawings through the same city process as a stick build. Prefab ADU installations in West Hollywood typically run $220,000 to $380,000 depending on the platform and site prep.
Trusted Brands We Service in West Hollywood
We install and finish ADUs from Cover, Dvele, and Boxabl, and we’re comfortable with the full prefab process from crane scheduling to final utility hookups. Because we’re based in the region, we can get replacement panels and finish materials to a West Hollywood site quickly when a module arrives short or a panel gets damaged in transit. We also build conventional ADUs with James Hardie siding and Tuff Shed-style structures when the budget calls for something straightforward. Matching the right build method to your lot and the city’s review process is part of the job.
Common ADU Builders Problems We See in West Hollywood Homes
- Ignoring the ADU Accelerator Program. A builder who submits a custom plan set for a garage conversion when a pre-approved plan exists delays the permit by weeks. We use the city’s plan set whenever it applies and tell you if custom drawings are actually necessary.
- Rewiring surprises in 1920s buildings. Opening walls in a courtyard apartment or bungalow court often turns up knob-and-tube wiring or water-damaged sills. Our contracts include line-item allowances for these findings, so the number doesn’t move without your written approval.
- Design review rejections. Proposing an ADU massing that ignores the Spanish Colonial Revival rhythm of the street gets kicked back. We design to the street first and the lot second.
- Small lot setbacks. Many West Hollywood lots need a setback variance to build anything detached. We handle the variance application and explain exactly what the city will and won’t approve before you commit.
Pricing for ADU Builders in West Hollywood, CA
Here are honest numbers for ADU construction in West Hollywood, before permit fees and design review costs. A garage conversion using the city’s pre-approved plan set typically runs $180,000 to $320,000. A detached ADU on a 4,000 to 5,000 square foot lot runs $280,000 to $450,000. A junior ADU carved out of an existing home runs $95,000 to $170,000. Prefab or modular units from Cover, Dvele, or Boxabl run $220,000 to $380,000 installed. What moves the number most is what we find when walls open: wiring, seismic retrofits, and foundation work. We write those as allowances in the contract, priced and approved in writing before we touch anything. Call (213) 732-1415 for a free estimate on your specific lot.
We Also Serve Cities Near West Hollywood
Our crews work across the Westside and central Los Angeles. Beyond ADU Builders in West Hollywood, we serve Beverly Hills, Culver City, Los Angeles, and Huntington Park. If your property sits just outside the West Hollywood line, call us anyway. The permitting rules shift by city, and we know the difference.
Serving West Hollywood, CA - Our Local Coverage Area
We’re based in the West Hollywood area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About ADU Builders in West Hollywood
The ADU Accelerator Program typically cuts 4 to 8 weeks from the permit timeline because the city has already approved the plans. That savings shows up in lower design fees and fewer rounds of review. You’ll still pay standard permit fees, but the overall cost drops because we’re not billing you for custom drawings that the city would have to review from scratch. The program applies specifically to garage conversions, so an attached or detached garage on your lot is the fastest path to a permitted ADU in West Hollywood.
Plan on three upgrades. First, electrical: 1920s garages often have knob-and-tube wiring or a panel with no capacity for a dwelling unit, so the permit requires a new subpanel and rewiring. Second, seismic: the city will look at the structure you’re attaching to, and many older courtyard buildings need a retrofit before they’ll sign off on the ADU. Third, waterproofing: water-damaged sills and foundation cracks have to be addressed, not covered over. We write all three into the contract as allowances so you see them coming before demo starts. Call (213) 732-1415 if you want us to look at your specific garage.
Yes, in most cases. A 4,000 square foot lot in West Hollywood can support a detached ADU up to roughly 800 square feet, but you’ll likely need a setback variance because the standard side and rear setbacks eat up too much of the usable yard. We handle the variance application and design the unit to sit tight against the existing structure or rear property line where the city is more flexible. The small lots in West Hollywood West and the Norma Triangle reward compact, well-proportioned ADUs, not sprawling floor plans.
The Rent Stabilization Ordinance does not prevent you from adding an ADU to a multi-family property, but it does affect how you sequence the work if the building is occupied. We coordinate construction in phases so tenant disruption is limited, and we make sure the ADU’s electrical and plumbing service is metered or sub-metered correctly. The city’s ADU overlay explicitly allows ADUs on most multi-family zoned lots, so the ordinance is a scheduling consideration, not a blocker.
The board looks for massing and materials that match the street. On a block of Spanish Colonial Revival bungalow courts, that means stucco, a low-pitched or flat roof with a parapet, and window proportions that read like the original 1920s windows, not a modern storefront. They’ll also look at solar orientation and ask for shading devices on south-facing glass. We design to those expectations from the first draft, which is why our ADUs pass review without the resubmission rounds that burn time and money.
Call (213) 732-1415 to schedule a free estimate for your ADU project. We’ll walk the property, check the city’s plan sets and design review requirements, and put a written price in front of you before you commit to anything.
Written by Reed Calloway, Owner at Fielding ADU Los Angeles, serving West Hollywood under The Garrison Standard since 2006.




