ADU Company in Hollywood, CA
Building an ADU in Hollywood means working with 1920s – 1940s Spanish Colonial Revival and Craftsman bungalows on alley-served lots, where Historic Preservation Overlay Zones can reshape or block projects that don’t match original streetscape character. Most Hollywood ADU work involves garage conversions on these narrow flat lots, though hillside terrain in the Hollywood Hills adds fire-code material restrictions and foundation challenges you won’t find in neighboring areas. Call (707) 383-5338 and we’ll screen your property for HPOZ status, fire hazard zones, and alley access before any pricing conversation.
Why Hollywood Homes Are Different
Hollywood’s residential flats sit on a grid of compact lots built almost entirely between the 1920s and 1940s. The Spanish Colonial Revival bungalows with their red clay roofs and the California Craftsman homes with exposed rafter tails dominate the streetscape, and most were built with detached one-car garages accessed by rear alleys. That alley infrastructure is both an opportunity and a constraint: it gives us a path to convert garages without disrupting the front yard, but the narrow width limits equipment access and material delivery.
The HPOZ layer is what separates Hollywood from Silver Lake or Los Feliz. Spaulding Square and the Whitley Heights Historic District enforce design-review approval through LADBS, and we’ve seen projects mandate period-appropriate window profiles, matching stucco finishes, and roofline details that trace back to the original 1920s construction. A garage conversion that looks straightforward on paper can become a months-long architectural compliance process if we don’t catch the HPOZ boundary in the first phone call.
The Hollywood Hills shift the challenge entirely. Steeper lots in Laurel Canyon, Beachwood Canyon, and Nichols Canyon bring narrow canyon road access, soil stability concerns for foundation work, and the Very High Fire Hazard Severity Zone designation. That fire code triggers LAMC requirements for ignition-resistant or non-combustible exterior materials, which limits siding and roofing choices and adds meaningful cost compared to flat-neighborhood builds just blocks downhill.
Our Main Hollywood Services
Hollywood homeowners typically call us about three project types, each shaped by the local conditions above.
Home Addition Contractor in Hollywood
Home additions in Hollywood usually mean building up or back on a 1920s – 1940s bungalow with limited lot coverage already used. We see the most demand in the flat neighborhoods where homeowners want a second story or rear master suite without touching the garage. Our crews coordinate material delivery around alley width restrictions, and we always check HPOZ boundaries before finalizing structural plans. Home Addition Contractor in Hollywood
Garage Conversion Contractor in Hollywood
Garage conversions are the highest-volume ADU project in Hollywood because of those alley-served detached garages. We convert one-car structures into studio or one-bedroom units, but the HPOZ screening comes first: a property inside Spaulding Square or Whitley Heights can require historical design review that preserves the original streetscape. We pull the HPOZ map before quoting any garage conversion in Hollywood. Garage Conversion Contractor in Hollywood
ADU Builders in Hollywood
New detached ADUs in Hollywood face lot-coverage limits, fire-zone material restrictions in the Hills, and foundation challenges on hillside lots. We work with prefab and modular manufacturers to match the right product to your lot conditions, whether that’s a compact unit for a flat bungalow lot or a fire-rated assembly for a canyon property. Every project starts with a site assessment for access, soil, and code overlays. ADU Builders in Hollywood
What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Brands We Service in Hollywood
We source and install ADU units and materials from Cover, Dvele, Mighty Buildings, and Boxabl, with James Hardie siding stocked locally for fire-zone compliance in the Hollywood Hills. Most brand-specific parts arrive within standard lead times, and our Los Angeles office coordinates delivery scheduling with your project timeline.
Pricing for ADU Company in Hollywood, CA
| Service | Typical range in Hollywood |
|---|---|
| Detached garage-to-ADU conversion, flat lot | $85,000 – $165,000 |
| Detached garage-to-ADU conversion, HPOZ district | $110,000 – $195,000 |
| New detached ADU, flat lot (prefab/modular) | $120,000 – $220,000 |
| New detached ADU, hillside lot with foundation work | $175,000 – $310,000 |
| Fire-zone material upgrade (ignition-resistant exterior) | $8,000 – $18,000 |
| HPOZ design review and architectural compliance | $4,500 – $12,000 |
| Home addition, second story (per sq ft) | $320 – $480 |
| Home addition, single-story rear (per sq ft) | $280 – $420 |
| Permit expediting and LADBS coordination | $2,500 – $6,000 |
| Soil stability assessment (Hills only) | $3,500 – $7,500 |
Prices push higher in Hollywood when HPOZ review adds architectural compliance time, when hillside lots require engineered foundations, or when fire-zone materials replace standard siding and roofing. Every family receives a written, line-item price before any work starts, with no surprise additions after crews arrive.
Neighborhoods We Serve in Hollywood
We build across Hollywood’s full geography, from the flat residential grid to the canyon roads of the Hills. Crews dispatch from our Los Angeles office and typically arrive within standard metro response times for the Hollywood area.
- Spaulding Square (HPOZ)
- Whitley Heights Historic District (HPOZ)
- Hollywood Hills West (Laurel Canyon, fire zone)
- Beachwood Canyon (hillside access, fire zone)
- Hollywood Dell (steep lot, mixed terrain)
Service Area – Cities Near Hollywood
Our crews work throughout the Los Angeles metro, with regular projects in Los Angeles, CA, Long Beach, CA, Anaheim, CA, and Riverside, CA. Scheduling and dispatch are coordinated from our Los Angeles office, with local crews serving each market.
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 Company in Hollywood
We pull the official LADBS HPOZ map during our first call and confirm your address against the current district boundaries. If your property falls inside Spaulding Square, Whitley Heights, or another overlay zone, we’ll explain the design-review timeline and cost before any quote is prepared. Call (707) 383-5338 and we’ll screen it in minutes.
If your lot sits within the Very High Fire Hazard Severity Zone, LAMC requires ignition-resistant or non-combustible exterior materials for any new detached ADU or major conversion. We identify your fire zone status during the site assessment and specify compliant siding, roofing, and decking from the start. Call (707) 383-5338 for a free estimate with fire-code materials included.
Yes. We handle LADBS permit applications, HPOZ design-review submissions when required, and inspection scheduling for every Hollywood project. Our written price includes permit expediting and coordination, so you’re not left navigating the counter alone. Call (707) 383-5338 to schedule your free estimate.
What happens when you call
- 1A real person answersNo phone trees - talk to a local adu pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Hollywood Customers Say
"Garage conversion into a studio. They sealed off the work area so dust didn't get into the house, and cleaned up every day before leaving. Calm, careful team to have around."
- Darnell Hobbs"Added a backyard cottage. The team protected our existing landscaping and left the yard clean every evening. Gentle, respectful, and they walked us through each stage calmly."
- Tamara Welsh"Garage to studio conversion with us living right there. They sealed off the dust, cleaned up daily, and respected our quiet hours. No surprise costs. Beautiful."
- Terrence Boylan