Fast, Reliable Home Addition Contractor Across Studio City
A home addition in Studio City runs anywhere from $160,000 on the low end for a modest bump-out to over $500,000 for a second-story or hillside addition with custom finishes. Most mid-range single-room and garage additions land between $220,000 and $380,000, depending on site conditions, structural work, and finish level. The single biggest variable in Studio City isn’t labor cost. It’s whether your lot falls inside the hillside overlay or the Very High Fire Hazard Severity Zone, which changes the permit path, the engineering, and the calendar. We walk Studio City homeowners through that process before a single number gets written down, and our written price locks before any material order is released. Call (254) 602-5618 for a free estimate on your addition.
Key Takeaways
- Typical Studio City additions run $220,000 – $380,000; hillside and second-story work starts higher.
- Hillside lots inside the VHFHSZ trigger a dual-agency permit review that flat-Valley contractors routinely miss.
- Long-lead millwork and architectural glass set the schedule on high-end work, not framing labor.
- Written price first, written guarantee on every project, under The Kingswell Guarantee.
Why Lodgewick ADU Builders Is Studio City’s Preferred Home Addition Contractor Company
We are the Home Addition Contractor team Studio City homeowners call when the job involves custom work and a lot that needs more than a standard permit. Russ Delmar leads our projects. He has spent enough time in the canyons above Ventura Boulevard to know exactly what LADBS and the Fire Department will ask for on a hillside addition, and he doesn’t bid a Fryman Canyon lot like a Van Nuys flat lot. That distinction matters. It’s the difference between a permit that clears in eight weeks and one that stalls in a dual-agency hold for four months.
Our clients choose us because the price they sign is the price they pay. The Kingswell Guarantee puts that in writing before work starts: a written price, a defined arrival window, a clean job site, and a written one-year warranty on every project. If something isn’t right within 365 days, we come back and make it right. Free. That’s the 365-Day Done Right Promise, and it’s delivered in writing on every Studio City addition we build.
We also answer the phone. A live person takes your call 24 hours a day, seven days a week. When you’re mid-permit and the Fire Department flags a vegetation clearance item, you’re not leaving a voicemail and hoping. You’re talking to someone who knows your project.
Garage Addition Contractors in Studio City
Garage Addition Contractors in Studio City deal with a very specific housing stock: post-WWII ranch homes and mid-century bungalows with detached single-car garages built on slabs that were never engineered for living space. The garage conversion is the most common addition we quote in Studio City, and it’s rarely as simple as framing walls inside an existing box. The slab usually fails current structural standards for habitable space, and the electrical panel is frequently 100 amps, which can’t support a kitchenette, mini-split, and laundry. On a flatter lot near Ventura Boulevard, a garage addition typically runs $180,000 to $280,000. On a hillside lot with any foundation remediation, expect $250,000 to $350,000.
Structural Conditions on Studio City Slabs
Ranch-era garages were built to park a car, not to support insulated walls, drywall, plumbing, and a mini-split condenser. We almost always saw-cut the slab, pour a thickened edge or full replacement, and add a moisture barrier before framing begins. If you’re converting a garage that butts into a hillside, the retaining condition changes the foundation scope entirely.
Service Upgrade and Fire Hardening
Most Studio City garage conversions need a 200-amp panel upgrade, which adds $4,000 to $8,000. If the garage sits in the VHFHSZ, the exterior sheathing, windows, and vents must meet ignition-resistant standards. We specify those materials in the written quote on day one, not as a change order later.
Bathroom Addition Contractor in Studio City
A Bathroom Addition Contractor in Studio City works most often on bathrooms added to primary suites in ranch homes or on custom bathrooms inside larger addition projects. A standalone bathroom addition, including plumbing rough-in, fixtures, tile, and ventilation, runs $60,000 to $110,000 in Studio City. When the bathroom is part of a larger second-story or hillside addition, the marginal cost is usually lower per square foot because the framing and roof are already in scope, but plumbing stack access and waterproofing near hillside footings can add real cost.
Wet Wall Placement and Foundation Access
On a flat-lot ranch, the bathroom goes where the sewer lateral allows. On a hillside lot, the drain grade and the existing retaining wall often dictate where a new bath can sit without triggering a major excavation. We flag that before design locks.
Ventilation in Studio City Heat
A bathroom on a south or west wall in Studio City bakes. Valley-floor summer highs routinely hit 100 to 108°F. We size bath exhaust fans one notch above code minimum and spec insulated exterior walls on any sun-facing addition, because a bathroom that turns into a sauna in August isn’t a finished bathroom. Proper siting and a properly sized mini-split matter here.
Trusted Brands We Service in Studio City
We work with a tight set of materials and manufacturers on Studio City additions because the hillside and fire-zone requirements narrow the field considerably. James Hardie fiber cement siding is our default exterior cladding on VHFHSZ lots, since it carries the ignition-resistant rating the Fire Department review demands. For prefab addition or ADU shells, we source through Abodu and Cover where the lot, access, and design intent support it, and we’ve built several Studio City creative-workspace additions using Dvele panels for their acoustic and thermal performance. We don’t stock these materials at a local Studio City warehouse. We order per project from established fabricators, which is why lead times get locked into our written schedule before we release any purchase order.
Common Home Addition Contractor Problems We See in Studio City Homes
- Bidding hillside work like flat-Valley work. A contractor who doesn’t check the hillside overlay and VHFHSZ boundaries quotes a number that can’t survive first contact with LADBS. Geotech reports, grading permits, and ignition-resistant cladding appear as change orders after framing starts. This is the most common failure mode we see on Fryman Canyon and Laurel Canyon-adjacent streets.
- Under-engineered garage slabs and 100-amp panels. Ranch-era detached garages were never built for habitation. The slab fails current code, the panel can’t carry the load, and both fixes collide with framing schedule if they weren’t in the quote from the start.
- Promising a finish date before long-lead items are confirmed. Custom millwork and architectural glass fabricators in Southern California are running 10 to 14 week lead times. A contractor who hands over a completion date without a confirmed fabrication slot is guessing. We’ve watched homeowners miss move-in dates by two months because a rift-sawn oak package wasn’t ordered in time.
- Ignoring Santa Ana wind exposure on hillside additions. Studio City slopes take ember-driven wind directly during Santa Ana events. Window flashing, vent screening, and exterior soffit details that pass on a flat lot fail a VHFHSZ review. The Fire Department inspector will catch this, and the fix is rarely cheap.
Pricing for Home Addition Contractor in Studio City, CA
Here’s what we quote in today’s Studio City market. A modest bump-out addition on a flat lot: $160,000 to $240,000. A garage conversion with slab replacement and panel upgrade: $180,000 to $280,000. A single-room addition with a bathroom: $220,000 to $320,000. A second-story addition over an existing ranch: $300,000 to $500,000+ depending on structural steel, stair placement, and whether a temporary relocation is involved. A hillside addition inside the VHFHSZ with geotech and fire-hardened materials: $350,000 to $600,000+. Custom millwork, architectural glass, and designer-specified finishes add $50,000 to $150,000 on top. Our price is fixed in writing before any material order is released.
Call (254) 602-5618 to schedule a free estimate. You’ll get a written line-item price, not a ballpark and a shrug.
We Also Serve Cities Near Studio City
Our crews serve Studio City and the surrounding neighborhoods including North Hollywood, Van Nuys, West Hollywood, and Sherman Oaks. If your lot sits near the border of Studio City and Sherman Oaks or backs up to Fryman Canyon toward North Hollywood, the permit path follows the same City of LA rules we handle every week. Read more on our Studio City page for local permit paths and pricing.
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 Home Addition Contractor in Studio City
Yes. Most Fryman Canyon-area lots fall inside the City of LA Hillside Construction Regulations, which triggers a LADBS geotechnical review of soils and foundation design. If the same lot sits in the Very High Fire Hazard Severity Zone, which many hillside parcels in Studio City do, the Fire Department runs a separate VHFHSZ review focused on ignition-resistant materials, vent screening, and defensible space. These reviews run on parallel tracks, they don’t consolidate, and both must clear before a building permit is issued. We handle both agencies throughout the process. Call (254) 602-5618 if you want to know your lot’s specific status before you buy plans.
We order the long-lead items first, we get fabrication slots confirmed in writing, and we sign the finish schedule before framing starts. Rift-sawn white oak casework runs about 14 weeks. Architectural glass, especially steel-framed corner glazing, runs 10 to 12 weeks. Those are the dates that set final inspection, not the framing crew. We build the schedule around the fabricators’ commitments and lock everything in the written price before any order is placed. No one promises you a move-in date that the millwork shop hasn’t actually reserved.
It can be converted, but the answer depends on what the slab and the panel are actually doing. On flatter lots near Ventura Boulevard, we typically saw-cut the slab for plumbing, add a thickened edge or full pour, and upgrade a 100-amp panel to 200 amps. Some garages survive as shells. Some need partial demolition and rebuild. We tell you which one you have after a site check, and the number is in the written quote before you decide anything. Call us at (254) 602-5618 to schedule that check.
A real sound-isolated room is a structural exercise, not a drywall upgrade. You need decoupled walls, mass-loaded vinyl or acoustic membrane, solid-core doors with drop seals, isolated HVAC with lined ductwork, and often a floated floor if the suite sits near a busy street or below a living space. All of that adds weight, which means the foundation on a hillside Studio City lot may need reinforcement. We’ve built several creative workspaces, including a detached editing suite above Fryman Canyon, and we’re comfortable coordinating with acoustic consultants and studio designers. Budget $45,000 to $85,000 for the acoustic package alone on top of the base addition cost, depending on isolation class.
We give you a written line-item price before any work starts, and the finish package is part of that document, not an allowance that floats. If your designer specifies rift-sawn white oak millwork, stone from a particular yard, or a specific glass fabricator, we price those line items at current fabricated cost and lock them. If a vendor raises price before we order, that’s our problem, not yours. The Kingswell Guarantee is a fixed price, a defined arrival window, a clean job site, and a written one-year warranty. The 365-Day Done Right Promise means if the finish fails within a year, we’re back to fix it. No change orders on the finish schedule. No surprise line items. Call (254) 602-5618 for a free estimate on your Studio City addition.
Written by Russ Delmar, Owner at Lodgewick ADU Builders, serving Studio City since 2010.