Seedling ADU Builders adu team

ADU Company in North Hollywood - Design, Permits and Build Under One Contract

We handle the design, the engineering, and the city permit, then build it. One contract, one crew, one accountable point of contact. Free feasibility check on your lot before you commit.

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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.

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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

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

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

ADU Builders in North Hollywood
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What happens when you call

  1. 1
    A real person answersNo phone trees - you reach a local pro.
  2. 2
    You get an upfront price rangeHonest numbers before anyone is dispatched.
  3. 3
    A background-checked tech heads outLicensed & insured, dispatched right away.
  4. 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

Ready to get started? Free estimates · Free in-home estimates response in North Hollywood
Call (707) 383-5338

What happens when you call

  1. 1
    A real person answersNo phone trees - talk to a local adu pro.
  2. 2
    You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
  3. 3
    We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
  4. 4
    You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.

What North Hollywood Customers Say

★★★★★ 5.0 from 3+ reviews

"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

How It Works in North Hollywood

Getting your adu handled is simple and fast.

1

Call or Request a Free Estimate

Tell us about your adu needs and we provide an upfront, transparent quote - no obligation, no hidden fees.

2

Licensed Technician Dispatched

A background-checked, certified technician arrives in North Hollywood - typically within 30-60 minutes, with parts stocked on the truck.

3

Problem Solved, Guaranteed

We complete the job to your full satisfaction, backed by our warranty and 100% satisfaction guarantee.

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Free On-Site Estimate & Written Quote

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Written Price Before Any Work Starts

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Shoe Covers and Drop Cloths on Every Visit

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Photo of the Clean-Up Before We Leave

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