A free site visit, a check of what your lot allows and a written, line-item price.
Get your free estimateFast, Reliable Room Addition Contractor Across Studio City
A room addition in Studio City typically runs $180 – $420 per square foot depending on foundation work, hillside conditions, and finish level, with most projects landing between $80,000 and $220,000 before permit fees. We scope the job through the actual permit path, not a guess. Call (361) 315-4177 and we’ll walk the lot, check the overlays, and hand you a written price before any work starts.
Our crews know Studio City’s streets, its setback rules, and the hillside and floodplain checks that slow down a project if nobody saw them coming. That local knowledge keeps your calendar real and your number honest. Reed Calloway runs Fielding ADU Builders to one standard: show up in the window, price in writing, build by the book, leave it clean, and stand behind it for a full year.
Why Fielding ADU Builders Is Studio City’s Preferred Room Addition Contractor Company
Homeowners in Studio City call us after they’ve already been burned once by a contractor who missed the schedule, moved the price at the door, or left the permit board blank. We do not bid low and change-order high. The price you approve on day one is the number on the final invoice, in writing, every time.
Every Fielding crew member is background-checked and arrives in uniform, so you know exactly who is on your property. The Garrison Standard, which we’ve been building to since 2006 as part of the Garrison Partners family, covers workmanship defects for 365 days. If something fails inside that year, we return at no charge and correct it. That guarantee is spelled out on paper, not implied.
Our scheduling and dispatch run from the Los Angeles office, with crews serving Studio City directly. When you call, a live person answers. Around the clock, no voicemail, no callback queue.
In Law Suite Builders in Studio City
In Law Suite Builders in Studio City means converting or adding square footage that gives an aging parent or adult child a separate entrance, a small kitchenette, and full bath without abandoning the main house. These projects often repurpose an attached wing, a deep garage bay, or a rear addition off the primary structure.
Most in-law suites in Studio City run $140 – $260 per square foot when the existing shell and foundation can be reused, and $220 – $380 per square foot when we’re building new from the slab up. The permit path is the same as any habitable room: structural plans, Title 24 energy compliance, and a final inspection.
Existing Space Conversions
When an attached garage or bonus room already has a foundation that meets current seismic and Title 24 standards for habitable space, the in-law suite can stay within the existing footprint. That holds the cost down. We check the footings before we quote, not after demolition starts.
New Attached Additions
When there’s no existing shell to convert, we build out. That means new footings tied to the main foundation, matching exterior finish, and a separate entrance. We’ve built these on flat Studio City lots and on hillside parcels where grading review adds time and engineering.
ADU Conversion in Studio City
ADU Conversion in Studio City usually means turning an existing detached garage or rear workshop into a legal accessory dwelling unit with its own kitchen, bath, and address. In Studio City, this work lives under the same Room Addition Contractor permit umbrella as any habitable-space conversion, but the seismic and Title 24 bar is higher because it’s a separate dwelling.
Garage-to-ADU conversions in Studio City typically run $110,000 – $190,000 when the existing footings can be certified, and more if a hillside grading review or floodplain elevation check forces a foundation rebuild. We’ve converted single-car and double-car garages across Studio City’s 91604 and the streets north of Ventura Boulevard.
Garage and Detached Structure Conversions
The first thing our team checks on a Studio City garage conversion is whether the slab and stem wall can carry a habitable room. Many pre-1960 garages in this area were poured for parking, not living. If the footings fail, we underpin or pour new, and that number goes into the written price before day one.
Rear-Yard and Hillside ADUs
Hillside lots near Fryman Canyon and along the Ventura Freeway corridor often trigger a separate grading review before an ADU permit is issued. That review is a real cost and a real delay. We carry it in the schedule and the price from the start, which is what a Studio City homeowner should expect from any contractor who’s done this work here.
Trusted Brands We Service in Studio City
We work with the prefab and modular platforms Studio City homeowners are already researching: Cover, Dvele, and Mighty Buildings, plus conventional builds using James Hardie siding and Tuff Shed-style structures. That means we can match the build method to your lot, your budget, and your permit constraints, not force one system onto every project. Fielding ADU Builders stocks local parts for Studio City jobs and handles the full install, tying the prefab module into your foundation, utilities, and final inspection.
Common Room Addition Contractor Problems We See in Studio City Homes
- Hillside and floodplain overlays quoted late. Because Studio City sits mostly within the Ventura Freeway-adjacent hillside zones and overlaps the Los Angeles River flood-control corridor, room additions that push the rear or side footprint outward often trigger a grading review or floodplain elevation check that flat-lot Valley neighborhoods don’t face. Contractors who quote off square footage alone surprise the homeowner with engineering and retaining-wall costs mid-project.
- Garage conversions on footings built for parking, not living. An existing detached garage on a 1940s or 1950s Studio City lot often has a slab that doesn’t meet current seismic and Title 24 requirements for a habitable room. Assuming the old slab works without checking forces a foundation rebuild that was never in the original bid.
- Building to the old setback line. Studio City zoning has changed over decades, and some older homes sit closer to the property line than current rules allow for new habitable square footage. Framing to the existing line before confirming the current setback can require a redesign or variance after work begins.
- Underpinning surprises on stem-wall foundations. Many Studio City ranch homes from the 1940s and 1950s have shallow stem-wall foundations. When we tie in new footings for an addition, the existing wall often needs underpinning first. Our crew recently completed a 440-square-foot primary-suite room addition on a ranch-style home near Moorpark Street and Whitsett Avenue where exactly this came up. We framed with 2×6 walls, matched the original stucco profile, and specified a James Hardie lap-siding transition at the new gable so the addition read as original from the street. Final inspection passed on the first re-check after we corrected the header sizing the city plan-checker flagged on the revised structural sheets.
Pricing for Room Addition Contractor in Studio City, CA
Here are honest ranges for Studio City’s market, before permit fees:
- Room addition, flat lot, simple footprint: $180 – $260 per square foot, typically $80,000 – $140,000 total.
- Room addition, hillside or floodplain overlay, with grading review: $260 – $420 per square foot, typically $150,000 – $220,000 total.
- In-law suite within existing shell and foundation: $140 – $260 per square foot.
- Garage-to-ADU conversion: $110,000 – $190,000 depending on footing condition and Title 24 upgrades.
What moves the number in Studio City is what’s under the floor and what the overlays say. Permits and inspections are pulled and passed on every job. Call (361) 315-4177 for a free estimate with a written price before any work starts.
We Also Serve Cities Near Studio City
Our crews handle room additions across the surrounding area, including North Hollywood, Van Nuys, West Hollywood, and Sherman Oaks. If you’re looking for a Room Addition Contractor in Studio City or nearby, the same written-price-first standard applies.
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 Room Addition Contractor in Studio City
A room addition attached to the main house goes through a different permit path than a detached ADU, but both require structural plans, Title 24 energy compliance, and final inspection. A room addition in Studio City also triggers the same hillside, grading, and floodplain checks as any habitable-square-footage work, which is why we scope the lot before we quote. Call (361) 315-4177 and we’ll tell you exactly which reviews apply to your parcel.
Yes, if the addition is designed from the start with a separate entrance, plumbing stub for a kitchenette, and the electrical capacity for a full bath. We frame Studio City in-law suites with that future in mind, which costs a little more upfront and saves a full re-permit later. The Garrison Standard covers the workmanship for 365 days either way.
Most Studio City room additions take 4 to 7 months from the day we submit plans to final inspection, with hillside lots running longer because of the grading review and foundation work. The city’s plan-check queue, not our crew schedule, is usually what sets the calendar. We lay out the full sequence in writing before you sign.
Because the hillside grading review, retaining-wall engineering, and underpinning on slope lots add real cost a flat Valley parcel never sees. Studio City’s hillside zones along the Ventura Freeway corridor require structural work flat-lot builders in North Hollywood or Van Nuys can skip. That’s not markup; that’s the permit path.
We work with Cover, Dvele, and Mighty Buildings, and on some Studio City room additions a prefab panel system drops the framing calendar by weeks and keeps the number tighter. Conventional framing with James Hardie siding is still the right call on many older Studio City homes where matching stucco profile matters. We’ll spec the method that fits your lot and budget, then put it in writing. Call (361) 315-4177 for an exact quote, estimates are free.
Written by Reed Calloway, Owner at Fielding ADU Builders, serving Studio City with written-price-first room additions, ADU conversions, and in-law suites.
