ADU Company in Huntington Beach — Plans, Permits & Build, One Fixed Price

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 Huntington Beach, CA

Kitchen remodeling in Huntington Beach means working inside 1950s – 1970s stucco tract homes where the original footprint hasn’t changed in fifty years, and the marine layer does more damage than people expect. We’re Costa Mesa ADU Builders, and we’ve served Huntington Beach since 2012. Most kitchens here were designed for a different era: closed off from the living room, wired for a refrigerator and a toaster, not much else. We open them up, replace aging electrical panels and original aluminum wiring, and build kitchens that hold up to salty ocean air. Call (833) 589-8273 to talk through your project.

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Why Huntington Beach Homes Are Different

Huntington Beach is a coastal tract-home city where the age of the housing stock, not the lot size, drives most remodeling decisions. The homes in 92646, 92647, and 92648 are overwhelmingly single-story stucco tract builds from the 1950s through the 1970s, which means original cast-iron drain lines, aluminum branch wiring, and panel sizes that won’t support a modern kitchen’s electrical load. We see it constantly: a homeowner wants an induction range and a built-in microwave drawer, then we open the panel and find 100 amps or less and no open slots. The marine layer adds a second layer of complication. Fog and salt air mean cabinet materials and exterior finishes need to be selected for moisture resistance, not just appearance. In the coastal zone around 92648, design review can add weeks to any project that changes exterior elevations, and we plan for that from the first site visit rather than discovering it mid-permit.

The practical reality for inland Huntington Beach neighborhoods is that most lots are standard R-1 parcels with existing attached or detached garages. Whether the project is a kitchen expansion, a garage-to-ADU conversion, or both, feasibility comes down to setback dimensions and how much of the existing structure can remain. That’s a lot-by-lot conversation, and we’ve had it enough times in Huntington Beach to know what city reviewers will challenge before the plans are even drawn.

Our Main Huntington Beach Services

Huntington Beach homeowners call us most often about two projects: adding an ADU to a tight R-1 lot and remodeling a bathroom in a house where the plumbing is older than the current building code. Both jobs require a contractor who understands Huntington Beach’s specific permit path and housing-era realities, and we handle both under one contract.

ADU Builders in Huntington Beach

Garage conversions and attached rear additions are the most common ADU paths in Huntington Beach because the lots don’t leave room for large detached structures in most cases. The question we answer first is whether the property sits inside the coastal zone, because that changes the design-review process entirely. If it does not, we move straight to setback verification and whether the existing garage slab and framing can be reused. We bring seven prefab manufacturers to the conversation – Abodu, Cover, Dvele, Mighty Buildings, Boxabl, Plant Prefab, and Tuff Shed – so the recommendation matches the lot, not our inventory. Read the full breakdown at ADU Builders in Huntington Beach.

ADU Builders in Huntington Beach

Bathroom Remodeling in Huntington Beach

Bathrooms in Huntington Beach’s older tract homes are small, the plumbing is original, and the ventilation is usually insufficient for the fog-season humidity. We open walls to inspect galvanized supply lines and cast-iron drains, replace what’s at end of life, and design the new layout around what the existing wet wall can support. Mold-resistant board, proper exhaust fan sizing, and moisture-rated fixtures are standard on every Huntington Beach bathroom we do. See the full service page at Bathroom Remodeling in Huntington Beach.

Bathroom Remodeling in Huntington Beach
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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 Huntington Beach

Kitchen remodeling in Huntington Beach usually means taking a closed-off galley kitchen inside a 1960s or 1970s stucco tract home and opening it into the living space, while replacing the electrical panel, aluminum wiring, and original plumbing that’s been in the walls for fifty years. The marine layer adds a material consideration most inland contractors miss: cabinet frames and hardware need corrosion-resistant finishes, and ventilation has to move enough air to keep fog-season moisture from settling into painted surfaces. Whether the project is a straight cabinet-and-counter refresh or a full gut with a load-bearing wall removal, we handle the structural, electrical, plumbing, and finish work under one contract. For a deeper look at our process, see Kitchen Remodeling.

Cabinet Replacement

Signs you need it

Cabinet doors are delaminating at the edges, drawers no longer close square, or the interiors have the musty smell that coastal humidity leaves in particleboard boxes.

What it costs in Huntington Beach

Cabinet replacement in Huntington Beach typically runs $12,000 – $28,000 depending on whether you choose stock, semi-custom, or full custom boxes, with marine-grade plywood construction on the higher end.

How we do it

We measure the existing footprint, order or build to the as-built dimensions, and then remove the old boxes, repair the drywall behind them, and install new cabinets with soft-close hardware and corrosion-resistant hinges rated for coastal air.

Countertop Upgrade

Signs you need it

Your laminate counters are chipped at the edges, swollen around the sink, or dated in a way that makes the whole kitchen feel older than the house actually is.

What it costs in Huntington Beach

Countertop replacement in Huntington Beach usually falls between $4,000 and $9,000, with quartz and granite at the upper end and solid-surface materials keeping the lower price point.

How we do it

We template the existing cabinets after they’re leveled and secured, then fabricate and install the new stone or solid surface with a sealed seam at the sink and a waterproof substrate underneath.

What Kitchen Remodeling Costs in Huntington Beach

Item Typical range in Huntington Beach
Full kitchen remodel $35,000 – $75,000
Cabinet replacement $12,000 – $28,000
Countertop upgrade $4,000 – $9,000

Those ranges move based on panel upgrades, plumbing re-routes, and whether the coastal zone triggers exterior design review for any vent or window changes. We give a written line-item quote before work starts, and that number does not change unless you change the scope.

How long does a kitchen remodel take in Huntington Beach?

Plan on 6 to 10 weeks for a full kitchen remodel in Huntington Beach. Coastal zone permit review can add 2 to 4 weeks before we even start demo. Call (833) 589-8273 for a timeline specific to your address.

Does a kitchen remodel in Huntington Beach require a permit?

Yes, any Huntington Beach kitchen remodel that touches electrical, plumbing, or structural walls requires a city permit. We pull all permits and close them out with final inspections. Call (833) 589-8273 and we’ll tell you what your project triggers.

Brands We Service in Huntington Beach

We work across the full prefab ADU landscape so Huntington Beach homeowners get an honest comparison, not a pitch for whatever we happen to stock. Dvele and Mighty Buildings are two we’ve specified for coastal zone projects because of their panel systems. Plant Prefab and Boxabl round out the options when the timeline or budget shifts the conversation. See what we carry at our brands.

Pricing for ADU Company in Huntington Beach, CA

Service Typical range in Huntington Beach
ADU – garage conversion $120,000 – $250,000
ADU – prefab/modular $150,000 – $350,000
ADU – site-built detached $200,000 – $400,000
Bathroom remodel – full $15,000 – $35,000
Bathroom remodel – guest/powder $8,000 – $18,000
Kitchen remodel – full $35,000 – $75,000
Kitchen remodel – cabinets only $12,000 – $28,000
Kitchen remodel – countertops only $4,000 – $9,000

Prices in Huntington Beach push upward when a project sits inside the coastal zone and design review adds time and documentation, or when a 1950s panel has to be replaced before any new circuit can be added. We quote from a fixed, line-item scope, so the number you approve is the number you pay.

Neighborhoods We Serve in Huntington Beach

We work across Huntington Beach’s residential neighborhoods, from the inland tracts of 92646 and 92647 to the coastal-zone lots in 92648. That includes the established single-story subdivisions where garage conversions and rear additions make the most sense, as well as the older pockets where original wiring and plumbing mean the remodel scope starts inside the walls.

  • Downtown Huntington Beach (92648)
  • Edison (92646)
  • Seacliff (92648)
  • Yorktown (92647)
  • Southeast Huntington Beach (92647)

Most Huntington Beach estimates can be scheduled within a few business days of the first call, and we coordinate site visits around your schedule, not a dispatcher’s route.

Service Area – Cities Near Huntington Beach

From our Costa Mesa location, we run jobs throughout the coastal Orange County corridor and the inland neighborhoods that surround Huntington Beach. That includes Costa Mesa, CA, Fountain Valley, CA, Westminster, CA, and Midway City, CA. If you’re in one of those cities and planning a kitchen remodel, bathroom renovation, or ADU, we can usually start the conversation the same week.

Serving Huntington Beach, CA — Our Local Coverage Area

We’re based in the Huntington Beach 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 Huntington Beach

Ready to get started? Free estimates · Free on-site estimates response in Huntington Beach
Call (833) 589-8273

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 Huntington Beach 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."

— Ryan Padgett

"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."

— Andres Rodriguez

"Sound insulation between the unit and the main house is better than I expected. You genuinely cannot hear the tenant."

— Imani Ellison

How It Works in Huntington Beach

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 Huntington Beach — 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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