







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 Studio City
ADU construction in Studio City typically runs $180,000 to $420,000 for a detached unit, with garage conversions starting around $120,000 before permit fees. Most Studio City homeowners get a written price within 48 hours of our first site visit, and the full permit-to-final-inspection timeline lands between 10 and 16 months depending on lot conditions and plan-check backlog. If you’re on a flat, tree-lined street off Ventura Boulevard or up near Moorpark Park, you already know the lots here are tight, mature, and full of protected root zones that generic contractors don’t flag until the dig starts. Call (361) 315-4177 and we’ll walk your specific lot before you spend a dime.
Why Fielding ADU Builders Is Studio City’s Preferred ADU Builders Company

Studio City homeowners come to us after a bad first round. They’ve had a contractor start a rear-yard ADU off Colfax or Tujunga, then stall for weeks over a plan check they never saw coming. Fielding ADU Builders is the ADU and room-addition arm inside the Garrison Partners family, operating under The Garrison Standard since 2006. That means the price goes in writing before any work starts, the permit path is mapped before we submit, and every crew member who steps onto your Studio City lot is background-checked and in uniform. Reed Calloway runs the operation, and he holds every project to the same rule: show up in the window, price in writing, by the book, leave it clean, stand behind it for a year.
Our ADU Builders team has built units near Carpenter Avenue Elementary, behind the commercial strip on Ventura Place, and deep into the residential blocks west of Coldwater Canyon. The local reviews repeat the same thing: the written quote matched the final invoice, and the crew actually showed up on the days they said they would. That’s not a slogan. That’s the Garrison Code, and it’s the reason Studio City homeowners call us second.
We coordinate scheduling and dispatch from our Los Angeles office, and crews serve Studio City directly. You won’t get routed through a call center. A live person answers at (361) 315-4177 whether you call at noon or midnight, and that person can tell you where your project stands without putting you on hold.
ADU Construction in Studio City
ADU Construction in Studio City means building a permitted, independent living unit on a lot that’s usually flat, usually compact, and usually holding at least one protected tree. The city’s pre-war street grid left standard 50-foot-wide lots with deep rear yards, and that’s where most detached units go. Studio City’s LADBS jurisdiction processes ADU permits through the same Valley office as North Hollywood and Van Nuys, but the flat-lot conditions here create one consistent conflict: mature tree canopies shade the buildable area, and their root zones extend well past the dripline. A plan that ignores that reality gets bounced at plan check or fails a pre-pour inspection.
We map the lot before we draft. That means identifying the rear setback, measuring the root zone of every protected tree, checking the alley access, and confirming where the existing sewer lateral runs. Then we submit plans that account for all of it. A Studio City homeowner should expect to pay $180,000 to $420,000 for a standard one-bedroom detached ADU, depending on finish level, site access, and whether the tree canopy forces a foundation redesign.
The Permit Path Through LADBS
Studio City sits under LADBS’ jurisdiction, and ADU permit submissions go through the same plan-check queue as the rest of the Valley. The flat-lot zoning here sometimes triggers a pre-inspection site visit before plan check even begins. Skipping that step is the single most common way Studio City ADU projects stall. We schedule that visit ourselves and attend it with the plans in hand.
What the Build Actually Involves
A detached ADU starts with demolition of whatever’s in the rear yard, then grading, rough plumbing and electrical, slab or raised foundation, framing, roofing, siding, windows, drywall, finishes, and a final LADBS inspection. In Studio City, the grading line item is usually minor because the lots are flat. That’s a cost difference from hillside work in Sherman Oaks or Laurel Canyon, and it’s one reason our Studio City quotes come in leaner than you might expect.
Detached ADU in Studio City

A Detached ADU in Studio City is the most common build we do, and the cost range is $180,000 to $420,000 depending on square footage, finish level, foundation type, and how much tree mitigation the lot requires. The flat grid means most detached units go in the rear yard, often where an old garage or shed already stands - exactly the kind of space a Garage Conversion Contractor - Studio City would evaluate first. Access matters. If the alley is wide enough for a mini-excavator, the job moves faster. If not, we hand-dig around root zones and the labor line goes up.
Our crew built a detached ADU on a standard lot near Moorpark Street and Laurel Canyon Boulevard, cladding the unit in James Hardie siding to handle the Valley heat and setting it toward the rear alley where an existing shed once sat. We pulled a building permit through LADBS’ Studio City jurisdiction and scheduled a pre-pour inspection before the slab went in. The final walkthrough passed after we adjusted the egress window swing to clear a mature root zone the arborist had flagged. That’s the Studio City reality: the tree often decides the window swing, and a builder who doesn’t know that gets a correction notice.
Root Zone and Tree Canopy Conflicts
Studio City’s flat, pre-war street grid forces most ADU work into rear-yard footprints that are often shadowed by a mature tree canopy, triggering shade and root-zone conflicts that rarely surface in neighboring hillside communities like Sherman Oaks or Laurel Canyon. A protected magnolia or camphor tree within 15 feet of the planned slab means we bring in a consulting arborist, document the root zone, and if needed revise the foundation plan to pier or cantilever around it. This adds cost and time, but skipping it is how you end up with a stop-work order and a torn-up yard.
Foundation Choices on Flat Lots
Studio City’s flat topography means a conventional slab-on-grade works for most detached ADUs. No hillside caissons, no retaining wall, no extra drainage plan. That’s a real savings compared to hillside work, and it’s why our Studio City quotes often land at the lower end of the range for the same square footage.
Trusted Brands We Service in Studio City
We install and finish prefab and modular ADUs from Cover, Dvele, and Boxabl, and we also build conventional units with James Hardie siding. If you’ve already researched a specific prefab platform, we’ll give you a straight answer about whether it works on your Studio City lot. Some prefab deliveries need street access wide enough for a crane or flatbed; on narrow roads off Tujunga or Whitsett, that matters. We keep local material runs short for Studio City customers, which helps keep delivery delays off the critical path. We don’t sell the brand. We price the brand against your actual lot conditions.
Common ADU Builders Problems We See in Studio City Homes
- Skipping the LADBS pre-inspection site visit. Studio City’s older flat-lot zoning sometimes requires this before plan check. Miss it, and the permit stalls for weeks while the city circles back.
- Quoting without a root-zone or tree-shade assessment. A contractor prices the ADU, digs the foundation, then finds a protected tree conflict. The plan has to be revised, and the price moves upward mid-project.
- Treating the rear setback like a hillside property’s. Over-designing for drainage and slope on a flat Studio City lot adds grading and retaining costs the job never needed.
- Ignoring alley access. Some Studio City rear yards are only reachable by a narrow alley or a side gate. Equipment access dictates whether the foundation work takes days or weeks.
Pricing for ADU Builders in Studio City, CA
A detached ADU in Studio City runs $180,000 to $420,000. A garage conversion starts around $120,000 and tops out near $200,000. A junior ADU inside the existing house footprint lands between $80,000 and $150,000. A studio ADU, usually 400 to 600 square feet, falls in the $150,000 to $280,000 range. Permit fees, school district fees, and utility connection charges sit on top of these numbers and typically add 8 to 15 percent. The variables that actually move the price: tree mitigation, alley access, sewer lateral relocation, and finish level. We put the full number in writing before any work starts, and we don’t move it unless the scope changes and you sign a change order first. Call (361) 315-4177 for a free estimate on your Studio City lot.
We Also Serve Cities Near Studio City
Fielding ADU Builders serves Studio City and the surrounding Valley communities, including North Hollywood, Van Nuys, West Hollywood, and Sherman Oaks. If your property is near the Studio City line or you’re comparing options across the Valley, our ADU Builders in Studio City team covers the whole corridor from the 101 to the 134.
Serving Studio City, CA - Our Local Coverage Area
We’re based in the Studio City 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 Studio City
Yes. Studio City falls under LADBS’ Valley jurisdiction, and the ADU permit process is the same as North Hollywood or Van Nuys. The difference in Studio City is the flat-lot pre-inspection site visit that older zoning sometimes triggers before plan check, which can add two to four weeks if the homeowner or contractor doesn’t schedule it early. We schedule it ourselves as part of the permit submission. Call (361) 315-4177 to have us map your specific permit path.
We bring in a consulting arborist, document the root zone, and if the tree is within 15 feet of the planned foundation, we revise the plan to pier or cantilever around it. That typically adds $8,000 to $20,000 to the foundation line item and can extend the build by a few weeks. The alternative is moving the ADU footprint to a different part of the yard, which sometimes costs less and preserves the tree. We price both options in writing before you decide. Call (361) 315-4177 for a free lot assessment.
We install Cover, Dvele, and Boxabl units in Studio City, among others. Prefab construction shortens the on-site framing phase, but site prep, foundation, utility connections, and final inspection timelines stay about the same. A prefab unit can trim four to ten weeks off a conventional build, depending on the brand and your lot’s delivery access. The brand choice changes the finish, the shell cost, and sometimes the crane access requirement. We’ll show you the honest schedule for each option on your specific lot. Call (361) 315-4177 and we’ll walk you through it.
Only three things change a written price: a hidden condition we couldn’t see before excavation, a scope change you request, or a permit condition LADBS adds during plan check. A hidden sewer lateral, an undocumented root zone, or unexpected soil conditions are the common ones in Studio City. Any change gets a written change order with the new price before the work proceeds. We don’t move the number without your signature. Call (361) 315-4177 for a quote that holds.
Plan for 10 to 16 months on a detached ADU in Studio City, from permit submission to final LADBS inspection. The range depends on plan-check queue, tree mitigation, prefab versus conventional framing, and how quickly decisions get made on finishes. Garage conversions run shorter, typically 6 to 10 months because the shell already exists. We give you a written schedule with milestones and dates before you sign. Call (361) 315-4177 to get a dated schedule for your project.
Written by Reed Calloway, Owner at Fielding ADU Builders, serving Studio City since the Garrison Standard began in 2006.



