







A free site visit, a check of what your lot allows and a written, line-item price.
Get your free estimateFast, Reliable Garage Conversion Contractor Across North Hollywood
A garage conversion in North Hollywood typically costs between $85,000 and $145,000 for a full living-space build-out, and most projects take 10 to 16 weeks from permit submission to final inspection. We’re Seedling ADU Los Angeles, and we work in North Hollywood every week, from the 91601 and 91605 ZIPs out to the acreage pockets near La Tuna Canyon Road. Ben Ortega leads our team, and every job starts with a written price before a single tool leaves the truck. If you’re weighing a garage conversion in North Hollywood, call (213) 449-7136 for a free estimate.
Why Seedling ADU Los Angeles Is North Hollywood’s Preferred Garage Conversion Contractor Company

North Hollywood homeowners call us because we show up the way we say we will. Our crews wear uniforms, are background-checked, and put shoe covers on before walking through your house. We put down drop cloths in the walk path. We take a photo of the clean-up before we leave each day and send it to you. That’s the Cedarwell Care Promise, and it’s not an upsell. It’s the standard on every job we build in North Hollywood.
We also know the local terrain in a way that generic contractors don’t. A garage conversion in the flat grid south of Burbank Boulevard looks different from one off La Tuna Canyon Road, where county jurisdiction kicks in. We scope for that before we quote, so the number you sign is the number you pay. If you’re looking for a Garage Conversion Contractor who treats your driveway, your drywall, and your dog’s water bowl with the same care, talk to us.
Every completed project is covered by the 365-Day Done Right Promise. If something isn’t done right, we make it right, in writing. Call (213) 449-7136 and a live person answers, 24/7, even during an active build.
Garage Conversion Permit in North Hollywood
A Garage Conversion Permit in North Hollywood is the single biggest schedule driver on most projects, and the jurisdiction question matters more here than almost anywhere else in the Valley. Many parcels in and around North Hollywood straddle the line between Los Angeles City jurisdiction and unincorporated Los Angeles County, and if your lot falls on the county side, you need a different plan set, a different submittal path, and often a different inspector.
Navigating City and County Jurisdictions
We check the parcel first. If you’re in the 91605 corridor north of Sherman Way or in the unincorporated pockets near Sun Valley, your permit may go through LA County, not LA City. City-only contractors miss this, submit to the wrong office, and lose six months to re-draws and re-submittals. We don’t.
Septic and Well Setbacks
On acreage lots, a detached garage conversion often triggers review against existing well locations and septic systems. A 100-foot setback from a well is common. If the conversion crosses that line, the county will require a feasibility study before you ever pour concrete. We identify this during the estimate walk, not after the permit comes back marked up.
Garage Conversion to Living Space in North Hollywood

A Garage Conversion to Living Space in North Hollywood means taking a structure built for cars and making it inhabitable: insulation, drywall, HVAC, egress windows, a bathroom rough-in if you want one, and a floor assembly that won’t wick moisture from a 1940s slab. It costs $85,000 to $145,000 depending on square footage, fire-rating requirements, and foundation condition.
Fire-Rated Walls on Property Lines
North Hollywood sits in a designated Very High Fire Hazard Severity Zone. On a detached garage conversion near the rear property line, exterior walls often need one-hour fire-rated construction. That means Type X drywall, rated sheathing, and specific door and window assemblies. We scope this into the quote on day one, not after the first inspection fails.
Foundations and 1940s Slabs
We regularly find detached garage slabs in North Hollywood that looked flat from the outside and turned out to be settled stem-walls with a two-inch pitch across the width. When that happens, you need helical piers before any framing goes up. We check the slab with a laser level during estimating. You’ll know before you sign.
Trusted Brands We Service in North Hollywood
We work hands-on with Cover, Dvele, and Mighty Buildings, so North Hollywood homeowners get a real choice in how their garage conversion comes together, not just whatever the builder prefers to sell. If you want a prefab wall system from Cover or a panelized approach from Dvele, we’ll quote it. If a traditional stick-build fits the lot better, we’ll tell you that too. We coordinate material deliveries around North Hollywood’s tight alley access and schedule long hauls early so a truck never sits waiting on a 105-degree afternoon.
Common Garage Conversion Contractor Problems We See in North Hollywood Homes
- Wrong jurisdiction submittals. Parcels in unincorporated pockets near North Hollywood get submitted to LA City by mistake, and the rejection letter arrives eight weeks later. We verify jurisdiction before we draw.
- Settled 1940s garage stem-walls. These old slabs look serviceable until you shoot them with a laser level. We find a two-inch pitch often enough that helical piers are a line item on roughly a quarter of our North Hollywood detached garage conversions.
- Fire-zone requirements missed at estimating. A Very High Fire Hazard Severity Zone changes wall assemblies, vent ratings, and sometimes roof coverings. First-time builders don’t catch it until the plan check comes back. We do.
- Long material hauls not scheduled. Acreage lots near La Tuna Canyon Road are far from Valley suppliers. If the concrete cures in the truck on a hot day, the whole pour is wasted. We schedule pours for early morning and sequence deliveries to the day, not the week.
Pricing for Garage Conversion Contractor in North Hollywood, CA
A straightforward attached garage conversion to a living space in North Hollywood runs $85,000 to $120,000. A detached garage conversion with a bathroom addition, fire-rated exterior walls, and new electrical service lands between $120,000 and $145,000. If the slab needs helical piers, add $8,000 to $15,000. If county septic or well reviews come into play, permit and engineering costs go up by $4,000 to $9,000. We give you a written, line-item price before any work starts, so you can plan the whole job before you commit. Call (213) 449-7136 for a free, detailed estimate.
We Also Serve Cities Near North Hollywood
From our Los Angeles office, we run crews into Studio City, Sun Valley, South Pasadena, and Marina del Rey. If you’re in one of those cities and considering a North Hollywood garage conversion, the same written pricing and Care Promise apply. Call (213) 449-7136 and tell us which neighborhood you’re in.
Serving North Hollywood, CA - Our Local Coverage Area
We’re based in the North 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 Garage Conversion Contractor in North Hollywood
County parcels go through LA County’s building department, not LA City’s, which changes the plan submittal, the inspector, and often the required engineering. If you’re in an unincorporated pocket, expect a longer plan check and additional reviews like septic and well setbacks. We verify jurisdiction before we quote, so you don’t lose six months to a wrong-door submittal. Call (213) 449-7136 and we’ll check your parcel on the first call.
A 100-foot setback from an existing well is the typical requirement, and any conversion within that distance triggers a wastewater feasibility study through the county. Septic leach field clearances also apply if the conversion adds a bathroom. We include these reviews in our estimate, and the cost runs $4,000 to $9,000 above a standard city-lot conversion. Call (213) 449-7136 for a quote that matches what the county will actually approve.
Exterior walls facing a property line usually need one-hour fire-rated construction: Type X drywall, rated sheathing, and fire-rated windows or doors on that elevation. Roof covering and eave vents may also need to meet Wildland-Urban Interface standards. We build these into the price from the first estimate, so the plan check passes without a surprise change order. Call (213) 449-7136 to schedule a free estimate.
Sometimes. Flat terrain in the Valley makes slab-on-grade foundations straightforward, but stormwater still has to sheet-flow away from the new living space, and if you’re on county land, a drainage plan is often required with the grading plan. We scope this during the estimate walk and tell you before you sign. Call (213) 449-7136 for a written quote.
Not if the slab is out of level. Many 1940s detached garage slabs in North Hollywood are settled by two inches or more, and framing on a crooked slab fails inspection. If the slab is sound and flat, you may not need a new pour, but you’ll still need a moisture barrier and likely a raised floor assembly. We shoot every slab with a laser level during the estimate, so you know before you pay anything. Call (213) 449-7136 for a free assessment.
Written by Ben Ortega, Owner at Seedling ADU Los Angeles, serving North Hollywood and the surrounding Valley.




