Seedling ADU Builders adu team

ADU Company in Lakewood - 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 Lakewood, CA

Building an ADU in Lakewood means working with one of America’s most uniform housing stocks: nearly every home is a 1950s wood-frame ranch on a compact 5,000 – 6,000 square foot lot with a detached one-car garage in the rear. Because Lakewood contracts its building and safety services to LA County rather than running its own department, permits flow through the LACBS system on timelines that differ from neighboring Long Beach’s independent process. We’re Seedling ADU Builders, and we coordinate dispatch and scheduling from our Los Angeles office while crews work Lakewood properties locally. Call (707) 383-5338 to talk through your lot and get a written estimate.

Call (707) 383-5338

Why Lakewood Homes Are Different

Lakewood was built almost entirely between 1950 and 1953 as one of America’s first large-scale master-planned suburbs. That history matters for every ADU project we take on here.

The housing stock is remarkably consistent: single-story ranches of 1,100 – 1,400 square feet, wood-frame construction, with detached one-car garages that lack wall insulation, sit on slab floors, and carry minimal electrical service. Original 60-amp panels in both the main house and garage subpanels are standard, not rare. Galvanized supply lines, corroded by LA’s moderately hard water, frequently need full replacement before an ADU conversion can pass LACBS inspection.

Summer afternoons in Lakewood run 10 – 15°F warmer than the immediate Long Beach coast. An uninsulated 1950s garage shell becomes uncomfortable fast, so mini-split sizing and wall/ceiling insulation aren’t upgrades we suggest; they’re requirements we plan for from the first site visit.

The tract garages were poured and framed to near-identical dimensions, and ceiling heights often land at or just below the 7-foot habitable-space minimum in the California Building Code. On nearly every Lakewood job, we measure to the inch and decide early whether to grind the slab, raise the roof plate, or document existing compliance before LACBS will sign off.

Our Main Lakewood Services

Most Lakewood families who call us start with one of these three projects:

Home Addition Contractor in Lakewood

Adding square footage to a 1950s ranch in Lakewood means matching rooflines, foundation types, and often upgrading the main electrical panel from 60 amps to 200 amps to handle the new load. We pull LACBS permits, coordinate inspections, and protect your floors with drop cloths and shoe covers while crews work. Our Home Addition Contractor in Lakewood page details how we keep living spaces usable during construction.

Home Addition Contractor in Lakewood

Garage Conversion Contractor in Lakewood

Detached garage conversions are the dominant ADU pathway in Lakewood because nearly every lot has that same rear one-car structure. We address slab grinding or roof raising for code height, insulate walls and ceilings for inland summer heat, and replace corroded galvanized lines before LACBS sees them. See our full process on our Garage Conversion Contractor in Lakewood page.

Garage Conversion Contractor in Lakewood

ADU Builders in Lakewood

Whether you’re converting an existing garage or building new, we work with prefab and modular systems including Abodu, Cover, and Dvele to match Lakewood’s compact lots and LACBS requirements. Every project gets a written price before any work begins, backed by our 365-Day Done Right Promise. Learn more on our ADU Builders in Lakewood page.

ADU Builders in Lakewood
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Call (707) 383-5338

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 Lakewood

We maintain hands-on access to leading ADU brands and materials including Abodu, Cover, Dvele, and James Hardie, so Lakewood homeowners choose the right product for their lot rather than accepting whatever a builder prefers to sell. Parts and expertise for these systems are stocked locally, which keeps timelines predictable once LACBS permits clear. See our brands for full details.

Pricing for ADU Company in Lakewood, CA

Service Typical range in Lakewood
Detached garage conversion (basic) $85,000 – $140,000
Detached garage conversion (full finish) $140,000 – $220,000
New detached ADU (studio, 400 – 500 sq ft) $180,000 – $280,000
New detached ADU (1-bedroom, 600 – 750 sq ft) $250,000 – $380,000
Home addition (per sq ft) $350 – $550
Electrical panel upgrade (60A to 200A) $4,500 – $8,500
Galvanized plumbing replacement (garage) $3,500 – $7,000
Slab grinding for ceiling height compliance $2,500 – $5,500
Mini-split HVAC (single zone) $4,000 – $7,500
Wall and ceiling insulation (R-13/R-19) $3,000 – $6,000

What pushes Lakewood prices higher: corroded galvanized lines requiring replacement, electrical panels that won’t handle ADU loads, and slab or roof work to meet that 7-foot ceiling minimum. What doesn’t push prices higher: surprise line items added after we start. Every family receives a written price before any work begins, with no exceptions.

Neighborhoods We Serve in Lakewood

We work across Lakewood’s established residential tracts, from the original 1950s sections near Lakewood Boulevard to the slightly later infill near Del Amo. Crews typically arrive within scheduled windows throughout the city.

  • Lakewood Village
  • Lakewood Country Club area
  • Mayfair Park vicinity
  • Del Amo neighborhood
  • Long Beach Boulevard corridor

Service Area – Cities Near Lakewood

Our crews work Lakewood properties directly and also serve neighboring communities where homeowners face similar mid-century housing conditions and LACBS or independent city permitting. We regularly build in Lomita, CA, Torrance, CA, Carson, CA, and Rancho Palos Verdes, CA. Dispatch and scheduling are coordinated from our Los Angeles office.

Serving Lakewood, CA - Our Local Coverage Area

We’re based in the Lakewood 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 Lakewood

Ready to get started? Free estimates · Free in-home estimates response in Lakewood
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 Lakewood 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 Lakewood

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 Lakewood - 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.

Current Offers

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Free On-Site Estimate & Written Quote

No obligation. We measure, price the job in writing, and the quote is yours to keep.

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Written Price Before Any Work Starts

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Included

Shoe Covers and Drop Cloths on Every Visit

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Photo of the Clean-Up Before We Leave

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