ADU Company in Westminster — One Fixed Price, Permits Handled

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 Westminster, CA

Kitchen remodeling in Westminster usually means reworking a galley kitchen inside a 1950s or 1960s ranch home, often while planning a backyard ADU on the same lot. Most of these houses measure between 1,100 and 1,600 square feet, so the kitchen is tight, load-bearing walls are common, and the original plumbing is past retirement age. The dry, warm Westminster summers also mean ventilation and cooling choices get real attention during design. Call (833) 863-7015 for a free estimate on your Westminster kitchen remodel.

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Why Westminster Homes Are Different

Westminster’s core ZIP codes, 92683 and 92684, are filled with single-story tract ranches from the Eisenhower and Kennedy eras. Slab-on-grade foundations are standard, which shapes how we run new plumbing and electrical for a kitchen remodel. We can’t simply drop new supply lines through a crawlspace, so trenching or routing through existing walls becomes part of the estimate. Stucco exteriors over wood frame are the norm, and interior walls are often true 2×4 construction, meaning insulation upgrades and in-wall work are straightforward but space is limited. The 6,000-square-foot lots usually place the kitchen along the rear or side of the house, so natural light depends heavily on window placement and the orientation of the home relative to Bolsa Avenue or the older streets east of Beach Boulevard. Many Westminster families are running multigenerational households, which means the kitchen gets heavy daily use and has to be practical for two or even three generations cooking together. We also see a lot of homes where a second, small kitchen or kitchenette was added informally decades ago, and part of our job is bringing those spaces up to current plumbing and electrical standards.

Our Main Westminster Services

Westminster homeowners call us most about two things: building a backyard unit and updating the main house. Each one has its own dedicated Westminster page, so start there for a deeper look.

ADU Builders in Westminster

Backyard units in Westminster usually take the form of a garage conversion or a detached new build on the rear half of the lot. The city’s older tract homes often have detached two-car garages set toward the alley, which makes conversion a natural starting point. But the existing slab, old garage wiring, and rear setback line all shape whether the project stays simple or needs a variance. We walk Westminster homeowners through those specifics before any design commitment. See the full breakdown at ADU Builders in Westminster.

ADU Builders in Westminster

Bathroom Remodeling in Westminster

Bathrooms in Westminster’s 1950s and 1960s homes are small, often five feet wide or less, and the original cast-iron drain lines have been in the ground since Nixon was in office. Remodeling here is less about luxury and more about making a tight footprint work for multiple generations under one roof. Shower pans, wall-hung vanities, and proper ventilation matter in Westminster’s dry but occasionally humid coastal-inland climate. Read the full service detail at Bathroom Remodeling in Westminster.

Bathroom Remodeling in Westminster
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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.

Kitchen Remodeling in Westminster

Kitchen remodeling in Westminster means opening up a small, walled-off galley in a mid-century ranch without compromising the structural simplicity those homes were built with. The dry Orange County climate means we emphasize ventilation and cooling choices during design, and the prevalence of slab foundations means rerouting plumbing takes planning and honest pricing from the start. Most Westminster homeowners are also thinking about resale value or multigenerational use, so storage density and counter space tend to outweigh pure aesthetics. Our Kitchen Remodeling process covers everything from the first layout sketch to the final walk-through, with one team accountable for the whole job.

Galley Kitchen Opening

Signs you need it

You’ve got one cook working in a 7-foot-wide space while everyone else waits in the living room, and the refrigerator door blocks the main walkway.

What it costs in Westminster

Removing a load-bearing wall between a galley kitchen and dining room in Westminster typically runs $18,000 to $30,000 including the new beam, drywall, and finish work.

How we do it

We check the wall for load-bearing conditions, size a header beam to span the opening, reroute any plumbing or electrical in the wall, then patch and finish the ceiling and floor transitions.

Full Kitchen Replacement

Signs you need it

Your cabinets are delaminating, the layout forces a one-person kitchen, and the stove and sink haven’t moved in sixty years.

What it costs in Westminster

A complete kitchen replacement in Westminster, including new cabinets, countertops, flooring, and appliances, typically ranges from $45,000 to $85,000 depending on cabinet grade and appliance tier.

How we do it

We strip the room to studs, relocate plumbing and electrical to match the new layout, install cabinets and counters, set appliances, and finish with flooring, backsplash, and trim.

Kitchen Update for Multigenerational Use

Signs you need it

Two or three generations are cooking at the same time, and the single sink and four-foot counter create a daily bottleneck.

What it costs in Westminster

Adding a second prep sink, a wider counter run, and pull-out storage in a Westminster kitchen usually runs $12,000 to $25,000 without moving major plumbing.

How we do it

We reconfigure the existing footprint to add counter length and a secondary sink basin where the plumbing allows, then upgrade cabinet interiors for high-density storage.

What Kitchen Remodeling Costs in Westminster

Item Typical range in Westminster
Load-bearing wall removal with beam $18,000 – $30,000
Full kitchen replacement $45,000 – $85,000
Partial update with new sink and counters $12,000 – $25,000

How long does a kitchen remodel take in Westminster?

Most Westminster kitchen remodels take six to ten weeks from demo to final punch list. Galley openings can finish in four to five weeks, while full replacements with plumbing moves run longer. Call (833) 863-7015 to get a schedule tied to your specific layout.

Will a kitchen remodel in Westminster require a permit?

Yes, any work that moves electrical, plumbing, or a load-bearing wall in Westminster requires a permit. We handle the permit package and inspections as part of the job. Call (833) 863-7015 and we’ll confirm what your project triggers before any work starts.

Brands We Service in Westminster

We work with James Hardie siding on exterior kitchen bump-outs and any ADU that shares a wall with the kitchen. For prefab ADU projects tied to a kitchen remodel, we compare Abodu, Cover, and Dvele systems side by side so the unit fits the lot and the budget. See our brands page for the full lineup.

Pricing for ADU Company in Westminster, CA

Service Typical range in Westminster
Load-bearing wall removal with beam $18,000 – $30,000
Full kitchen replacement $45,000 – $85,000
Partial kitchen update $12,000 – $25,000
Detached ADU (prefab) $200,000 – $350,000
Detached ADU (site-built) $250,000 – $450,000
Garage conversion ADU $80,000 – $150,000
Bathroom remodel (mid-range) $18,000 – $35,000
Bathroom remodel (upmarket) $35,000 – $60,000+

Prices in Westminster push upward when we’re trenching through a slab foundation, relocating a gas line, or dealing with load-bearing walls in a mid-century floor plan. Every estimate we give is a written, line-item price, and we do not change it mid-project unless you change the scope.

Neighborhoods We Serve in Westminster

We work throughout Westminster, from the older ranch-home blocks near Bolsa Avenue to the neighborhoods east of the 405 and the streets bordering Midway City and Garden Grove.

  • Little Saigon / Bolsa Avenue corridor (92683)
  • Neighborhoods east of Beach Boulevard (92683)
  • Westminster Village area (92683)
  • Streets south of Westminster Boulevard (92683, 92684)
  • Westminster’s east side near the 405 (92684, 92685)

Most Westminster estimates are scheduled within a few business days of your call.

Service Area – Cities Near Westminster

Our Westminster crews also cover the surrounding Orange County communities. We serve homeowners in Midway City, CA, Garden Grove, CA, Stanton, CA, and Huntington Beach, CA. If you’re on the Westminster border, we can usually confirm coverage and schedule an estimate in the same call.

Serving Westminster, CA — Our Local Coverage Area

We’re based in the Westminster 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 Westminster

Ready to get started? Free estimates · Free on-site estimates response in Westminster
Call (833) 863-7015

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 Westminster Customers Say

★★★★★ 5.0 from 4+ reviews

"The kitchenette layout he suggested made better use of the space than the one on our original sketch."

— Adriana Garcia

"Every invoice was tied to a completed milestone, so I always knew what I was paying for."

— Paige Barrett

"He gave us a realistic rental number for the finished unit rather than the optimistic one, and it's renting for about what he said."

— David Nguyen

How It Works in Westminster

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 Westminster — 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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