







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 Hollywood
If you’re weighing an ADU on a Hollywood hillside lot or a flat parcel south of Franklin, the honest starting point is this: a detached ADU in Hollywood typically runs $280,000 to $450,000 before permit fees, and a JADU conversion inside an existing home or garage usually falls between $90,000 and $180,000. Hillside work changes those numbers fast. Fielding ADU Builders has spent enough time on the steep streets off Beachwood Drive, in the flats around Melrose, and along the Cahuenga corridor to know which lots trigger brush-clearance and WUI ignition-resistant construction requirements, and which ones go through on a standard slab. If you want a written price before any work starts, call us at (361) 315-4177. Reed Calloway runs our Hollywood scoping; he’ll walk the lot with you and tell you what’s real.
Why Fielding ADU Builders Is Hollywood’s Preferred ADU Company

Hollywood homeowners call us because we write the price down before a single nail is driven. That’s not a slogan. That’s The Garrison Code we operate under: show up in the window, price in writing, by the book, leave it clean, stand behind it for a year. Reed Calloway has walked more Hollywood lots than most local contractors will see in a decade, and he’s the one who signs off on your scope before it becomes a contract.
Our crews are background-checked and uniformed. You know exactly who’s on your property off Beachwood Canyon or down in the flats. And when you call (361) 315-4177, a live person picks up. No voicemail tree, no callback queue. That matters when you’re trying to coordinate an inspection with LADBS and a Coastal Development Permit review at the same time.
We’re an independently owned member of the Garrison Partners family, and we’ve been building to The Garrison Standard since 2006. The standard is simple: a written one-year guarantee on every project. If something fails inside those 365 days, we come back and correct it at no charge. That guarantee is on paper, covers workmanship defects, and tells you exactly how we’ll make it right.
JADU in Hollywood
A JADU in Hollywood is the fastest legal way to add a rental unit without building a new structure. It converts existing space, a garage, a den, a finished basement, into an independent dwelling with its own entrance, kitchenette, and bath. On Hollywood lots where detached ADU setbacks push a build into an unbuildable corner, a JADU often fits inside the existing footprint and skips the worst of the hillside engineering.
Garage conversion JADU
We take an existing attached or detached garage and turn it into a studio or one-bedroom unit. In the flats around Melrose and Santa Monica Boulevard, these run $90,000 to $150,000 including the kitchenette and bath rough-in. In the hills, the same project hits $130,000 to $180,000 once you add WUI venting, ember-resistant soffits, and a hillside drainage correction.
Interior JADU carve-out
When a Hollywood house has a large living room or finished lower level, we carve out a JADU inside the existing envelope. This route often avoids Coastal Zone triggers altogether because there’s no new exterior footprint. It typically lands between $80,000 and $140,000 in Hollywood, and it’s the only JADU path that sometimes skips LAFD brush- clearance review entirely.
ADU Plans in Hollywood

ADU Plans in Hollywood aren’t generic drawings. They’re the specific architectural and structural set that carries your ADU through LADBS plan check, the Coastal Development Permit review if you’re in the hillside overlay, and the LAFD fire- zone review if your lot sits inside the high-fire-severity footprint below the Hollywood Sign. A flatland plan set won’t pass on a hillside lot, and a hillside set costs more than a flatland one for good reason.
Hillside site plan and structural set
This is the set we produce when the lot slopes more than 10%. It includes a soils report, caisson or grade-beam foundation design, and lateral calculations for retaining walls and setbacks. On Hollywood hillside lots, this plan set runs $12,000 to $28,000 depending on slope, geology, and Coastal Zone triggers.
Flatland permit set
On flat Hollywood parcels south of Franklin, the plan set covers architectural drawings, Title 24 energy calculations, and structural design for a slab-on-grade foundation. These run $6,000 to $14,000. You still get the same Garrison Standard: written scope, written price, and a year of guarantee once the build is done.
Trusted Brands We Service in Hollywood
We work directly with prefab manufacturers including Abodu, Cover, and Dvele, plus conventional builds using James Hardie fiber-cement siding. For Hollywood hillside sites, Abodu’s panelized steel frame handles steep access better than most. Cover’s precision-prefab system works where crane staging is impossible and panels have to be hand-carried or delivered on a narrow truck. Dvele’s high-end envelope suits Coastal Zone lots needing dual-glazed fire-rated glazing and ignition-resistant skin. We’ll tell you which platform fits your lot and your budget, not which one we happen to have in stock.
Common ADU Builders Problems We See in Hollywood Homes
- Treating a hillside lot like a flatland garage conversion. A slab-on-grade quote off Beachwood Drive can miss the caisson, grade beam, and soils report a 20% slope demands. That’s a five-figure swing your written price should have caught on day one.
- Ignoring the Coastal Zone and WUI overlays. An address that just says “Hollywood” can still sit inside the Santa Monica Mountains Coastal Zone or the high-fire- severity footprint below Cahuenga Peak. Missing the Class A roof, ember-resistant vents, and brush-clearance plan at bid time means plan check rejects and re- submittal fees.
- Scoping a prefab like Boxabl or Mighty Buildings without checking street access. Narrow, parkway-restricted hillside streets can’t always take a crane or a full semi. Re- staging delivery adds days and cost that never shows up in a generic prefab quote.
- Underestimating LAFD brush-clearance timing. On lots inside the fire- zone overlay, brush clearance has to be done before the final inspection, and LAFD doesn’t inspect on your schedule. We coordinate it early in the build so it never holds up sign-off.
Pricing for ADU Builders in Hollywood, CA
A detached ADU in Hollywood runs $280,000 to $450,000. A JADU conversion runs $90,000 to $180,000. The spread depends on slope, soil, Coastal Zone and fire- zone overlays, and access for delivery. A flat lot near Melrose with a simple slab and standard stick-frame ADU lands on the lower end. A steep lot off Beachwood with caissons, grade beams, a Class A roof, ember-resistant vents, and a brush- clearance plan lands at the top. We put your written price in front of you before any work starts, so the number you approve is the number on the final invoice. Call (361) 315-4177 for a free estimate. No change orders on our side, no door price moves.
We Also Serve Cities Near Hollywood
Beyond Hollywood, our ADU Builders team covers Los Angeles, Long Beach, Anaheim, and Riverside. If your property sits just outside Hollywood proper, call us and we’ll confirm coverage. The same written price and one-year guarantee apply whether you’re off Cahuenga or across county lines.
Serving Hollywood, CA - Our Local Coverage Area
We’re based in the 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 Hollywood
Yes, if your lot sits inside the Santa Monica Mountains Coastal Zone overlay, which covers much of the hillside above Beachwood Drive and below the Hollywood Sign. A Coastal Development Permit adds plan check review time and requires ignition- resistant detailing, dual-glazed fire-rated glazing, and a brush- clearance plan approved by LAFD. Flatland Hollywood parcels generally don’t need one. Call (361) 315-4177 with your address and we’ll check the overlay maps for you.
Slope and fire zone. On a 20% slope, the foundation shifts from slab-on-grade to caissons and grade beams, and you add lateral engineering, retaining walls, and a soils report that can total $40,000 to $80,000 before framing starts. The fire- zone overlay adds a Class A roof, ember-resistant vents, and dual-glazed fire-rated windows, another $15,000 to $35,000. A flat lot on Melrose skips all of that. Call us and we’ll show you the line- item difference in writing.
In most cases, yes. A JADU converts existing space inside your home or garage, so it avoids the setbacks and hillside engineering a detached ADU triggers. On tight Hollywood lots where a detached unit won’t fit the required 4-foot side and rear setbacks, a JADU is often the only ADU path that works. The tradeoff is size: a JADU tops out at 500 square feet. Call (361) 315-4177 and we’ll tell you which route fits your lot.
Abodu’s panelized steel frame handles steep access and narrow streets well because panels go in on smaller trucks and a crane isn’t always required. Cover’s precision- prefab system works where panels must be hand-carried. Dvele suits Coastal Zone lots needing a high-end fire- resistant envelope. Mighty Buildings and Boxabl work on flat lots with standard street access. We’ll match the platform to your site, not the other way around. Call (361) 315-4177 and we’ll walk the lot with you.
Twelve to eighteen months is honest. Plan check with LADBS runs two to four months. Coastal Development Permit review adds another two to four if your lot is in the overlay. Construction on a flat lot runs six to nine months. A hillside build with caissons, grade beams, and WUI detailing runs nine to fourteen months. We give you a written schedule with milestones before we start, and we hit the dates we write down. Call (361) 315-4177 for a free estimate and a real calendar.
Local insight that decides the build: Hollywood’s hillside lots routinely sit in the Santa Monica Mountains Coastal Zone and within the Hollywood Sign / Cahuenga Peak high-fire-severity footprint, so many ADU scopes here trigger brush- clearance, Class A roof, ember-resistant vent and WUI ignition-resistant construction requirements that flatland LA ADUs never touch. We pulled an Abodu two-bedroom into a steep, street- to- street lot off Beachwood Drive below the Hollywood Sign, where the rear pad had to be benched into a 20% slope with a caisson- and- grade- beam foundation instead of the standard slab. Our engineer’s lateral calculations for the hillside, plus LAFD brush clearance on the downhill side, were the two things that decided the build. We ran a James Hardie fiber- cement skin over a Class A roof and ember- resistant vents so it passed the WUI ignition- resistant inspection on the first go, then tied the unit into a new 200- amp subpanel off the existing service drop on the street side.
If you’re in Hollywood and want an ADU Builders in Hollywood team that writes the price down and stands behind it for a full year, call Reed Calloway and the Fielding ADU Builders crew at (361) 315-4177 for a free estimate.
Written by Reed Calloway, Owner at Fielding ADU Builders, serving Hollywood under The Garrison Standard.



