ADU Company in North Hollywood, CA
Building an ADU in North Hollywood means working with LA’s pre-approved standard plans, no owner-occupancy requirements, and reduced setbacks that speed up permitting. Most North Hollywood lots carry the classic post-war footprint: 6,000 – 7,500 square feet with a detached rear garage, which converts faster and rents stronger here than in adjacent cities because of the transit premium at the B Line and G Line terminus. We’re Seedling ADU Builders, and we coordinate every North Hollywood project from our Los Angeles office with crews who know these blocks, these permits, and these summer temperatures. Call (707) 383-5338 to schedule your free estimate.
Why North Hollywood Homes Are Different
North Hollywood’s housing stock was built in a concentrated window, roughly 1945 to 1970, and the patterns are remarkably consistent: wood-frame stucco ranch homes on rectangular lots with detached garages opening onto rear alleys. That alley access is a genuine advantage under LA’s ADU ordinance, which grants favorable setback treatment to alley-adjacent structures. But it also means we pull existing electrical permit history on every garage conversion, because unpermitted 60-amp sub-panels are endemic in these 1950s and 1960s garages. When we find one, it triggers a mandatory service upgrade that adds three to six weeks to the permit timeline. We build that into our schedule upfront so you’re not surprised mid-project.
The San Fernando Valley floor traps heat, and North Hollywood regularly hits 105°F+ during summer events. An ADU built without dedicated mini-split HVAC and proper attic insulation in the converted structure will be functionally unrentable in July and August and may fail habitability inspection. West-facing garage walls with original uninsulated drywall are a recurring problem we address before the city inspector ever steps inside. Many North Hollywood lots also carry enough rear depth to accommodate a new detached ADU alongside a converted garage, allowing owners to pursue both simultaneously under LA’s multi-ADU allowance.
Our Main North Hollywood Services
North Hollywood homeowners call us most often for two projects: expanding the main house for a growing family, or converting that detached garage into rental income. Each service has its own dedicated North Hollywood page with detailed pricing and process information.
Home Addition Contractor in North Hollywood
A home addition in North Hollywood typically means extending a single-story ranch horizontally or adding a second story to the original structure. We work around the post-war foundations and slab conditions common to this area, and we coordinate with LA’s Department of Building and Safety on setback and height compliance. Our crews use quiet tools during school hours when work borders bedrooms, and we protect floors with drop cloths and shoe covers from the first day. Home Addition Contractor in North Hollywood

Garage Conversion Contractor in North Hollywood
Garage conversions are the fastest path to rental income in North Hollywood because so many homes already have that detached rear structure with alley access. We handle the electrical service upgrade when needed, insulate west-facing walls properly for the valley heat, and convert the space into a permitted dwelling unit that passes habitability inspection. The Cedarwell Care Promise means pet-safe products where there’s a choice, and a photo of the clean-up before our crew leaves. Garage Conversion Contractor in North Hollywood

ADU Builders in North Hollywood
New detached ADUs in North Hollywood benefit from LA’s pre-approved standard plans and reduced rear and side setbacks, especially on lots with alley frontage. We work with prefab and modular brands including Cover, Dvele, Mighty Buildings, and Boxabl to match the right product to your lot dimensions and your budget. Every project receives a written price before any work begins, backed by our 365-Day Done Right Promise. ADU Builders in North 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 North Hollywood
We maintain hands-on access to leading ADU brands and materials for North Hollywood homeowners: Cover, Dvele, Mighty Buildings, Boxabl, Plant Prefab, Tuff Shed, and James Hardie. Parts and modules are stocked regionally for turnaround times that keep your project moving. See our brands for full specifications and compatibility with your lot.
Pricing for ADU Company in North Hollywood, CA
| Service | Typical range in North Hollywood |
|---|---|
| Detached garage conversion to ADU (basic) | $85,000 – $140,000 |
| Detached garage conversion to ADU (full finish) | $140,000 – $220,000 |
| New detached ADU (prefab/modular, 1 bed/1 bath) | $180,000 – $280,000 |
| New detached ADU (site-built, 1 bed/1 bath) | $220,000 – $350,000 |
| New detached ADU (2 bed/1 bath, site-built) | $320,000 – $480,000 |
| Attached home addition (per sq ft) | $350 – $550 |
| Second-story addition (per sq ft) | $400 – $650 |
| Electrical service upgrade (200-amp) | $4,500 – $8,500 |
| Mini-split HVAC system (1-zone) | $3,500 – $6,500 |
| Attic insulation upgrade (R-38 batts) | $2,500 – $5,000 |
| Permit and plan check fees (LA DBS) | $8,000 – $15,000 |
Prices in North Hollywood push higher when we encounter unpermitted electrical sub-panels, west-facing walls needing full insulation retrofits, or soil conditions requiring upgraded foundations. Every family receives a written price before any work starts, with no surprise line items added after crews arrive.
Neighborhoods We Serve in North Hollywood
We work across North Hollywood’s full residential footprint, from the Metro-adjacent blocks to the quieter valley-floor streets. Crews dispatch from our Los Angeles office and typically arrive within scheduled windows throughout the area.
- NoHo Arts District
- Valley Village (North Hollywood adjacent)
- Toluca Woods
- Laurel Canyon West
- North Hollywood West
Service Area – Cities Near North Hollywood
Our crews serve homeowners throughout the central San Fernando Valley and adjacent communities. We regularly travel to Studio City, CA for hillside lot ADUs, Van Nuys, CA for larger-lot detached units, Burbank, CA where separate city ADU rules apply, and Glendale, CA for hillside foundation work. Each city has its own permitting environment, and we adjust our approach accordingly.
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 ADU Company in North Hollywood
Most North Hollywood ADU projects begin 8 – 12 weeks after contract signing, with permit submission happening in week two. Garage conversions with clean electrical histories move faster; projects requiring service upgrades take longer. Call (707) 383-5338 for a timeline based on your specific property.
Yes, we pull all permits and schedule all inspections with LA DBS for North Hollywood properties. We also research existing permit history to catch unpermitted electrical work before it delays your project.
North Hollywood has relatively few HOAs compared to master-planned communities, but we review CC&Rs when they exist and coordinate required architectural submissions. Most LA-mandated ADU protections override unreasonable HOA restrictions, and we help homeowners document that compliance.
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 North 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