ADU Company in Costa Mesa, CA
Kitchen remodeling in Costa Mesa means working inside 1950s and 1960s tract homes where original galley layouts, load-bearing walls, and stucco-over-wood-frame construction dictate what’s possible. Fletcher ADU Builders handles the full scope: layout changes, cabinet and counter installation, plumbing and electrical updates, and the finish work that turns a dated Costa Mesa kitchen into something that works for how people actually live now. We’ve served Costa Mesa since 2016. Call (855) 360-9836 to talk through your project.
Why Costa Mesa Homes Are Different
Most Costa Mesa kitchens sit inside single-story tract homes built between 1955 and 1970. The original floorplans are consistent: a narrow galley kitchen, a load-bearing wall separating it from the living room, and plumbing clustered on one interior wall. On the Westside, in 92627, many of those homes still have their original cast-iron drain lines and 100-amp electrical panels, which means a full remodel often includes work behind the walls that a cabinet swap never touches.
The climate works in your favor. Costa Mesa’s coastal influence means mild, dry conditions year-round, so demolition and rough-in work rarely get delayed by weather. What does matter is ventilation. Homes here were built tight, and the marine layer keeps windows closed more than you’d expect. Range hoods, under-cabinet lighting, and layouts that move cooking heat out of the room are worth planning for from day one.
On the east side and Mesa Verde, you’ll find more 1970s construction with slightly larger footprints, but the same post-and-beam framing and the same challenge: kitchens were built as closed-off workrooms, not open gathering spaces. Removing a bearing wall is doable, but it requires a beam calculation, a permit, and a plan for where the load goes. We handle that engineering as part of the job, not as a surprise change order.
Our Main Costa Mesa Services
Costa Mesa homeowners call us most often about two projects: building an ADU and remodeling a bathroom. Both make sense with this housing stock, and both benefit from a contractor who understands local permits and the realities of older tract homes.
ADU Builders in Costa Mesa
Detached ADUs and garage conversions are the most common projects in Costa Mesa because so many lots have rear-loaded garages with alley access. That layout makes an ADU behind the house practical where a front-yard addition wouldn’t be. We work with leading prefab and modular brands alongside conventional construction, and we finish kitchens and bathrooms in-house so the unit is genuinely move-in ready. This page covers ADU Builders in Costa Mesa in detail, including brand options, site conditions, and what permitting actually takes.

Bathroom Remodeling in Costa Mesa
Bathrooms in 1950s and 1960s Costa Mesa homes are small, often under 40 square feet, with original cast-iron tubs and tile set in mud beds that have shifted over decades. Remodeling here usually means gutting to the studs, replacing drain lines, and reconfiguring the footprint to give up a few inches of hallway for a usable vanity. Coastal humidity stays low, but proper ventilation matters in these tight rooms. Our Bathroom Remodeling in Costa Mesa page walks through layouts, materials, and what the work costs.

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.
Kitchen Remodeling in Costa Mesa
Kitchen remodeling in Costa Mesa usually starts with a question: can we open this up? The answer depends on whether the wall between the kitchen and living room is load-bearing, and in these 1950s and 1960s tract homes, it often is. But that doesn’t mean the open plan is off the table. It means the project includes a properly engineered beam, a permit, and a realistic budget for structural work before cabinets go in. We specify materials that hold up to the coastal marine layer and heavy sun exposure on south-facing walls, and we handle everything from demolition to the final backsplash grout so you’re not coordinating four different trades. This is the heart of what we do, and the full-service overview lives on our Kitchen Remodeling page.
Galley Kitchen Open-Up
Signs you need it
The kitchen feels like a hallway, the cook is cut off from family or guests, and you’ve stopped hosting because the layout doesn’t function.
What it costs in Costa Mesa
Removing a bearing wall, adding a beam, and opening a galley kitchen into the living space typically runs $28,000 to $65,000 in Costa Mesa, depending on beam span, ceiling finish work, and whether the wall carries plumbing.
How we do it
We verify bearing loads, pull the permit, install engineered support, reroute any plumbing or electrical, then refinish the ceiling and flooring so the transition looks original.
Full Kitchen Renovation
Signs you need it
Cabinets are delaminating, the layout fights you every time you cook, outlets are scarce or ungrounded, and the room hasn’t been touched in twenty years.
What it costs in Costa Mesa
A full kitchen renovation with new cabinets, countertops, appliances, flooring, and plumbing typically ranges from $40,000 to $120,000 in Costa Mesa, with the higher end including layout changes and structural work.
How we do it
We demo to the studs, update plumbing and electrical to current code, install cabinets and counters, set appliances, and finish with backsplash, lighting, and paint.
What Kitchen Remodeling Costs in Costa Mesa
| Item | Typical range in Costa Mesa |
|---|---|
| Galley kitchen open-up (bearing wall removal) | $28,000 – $65,000 |
| Full kitchen renovation | $40,000 – $120,000 |
| Cabinet and countertop replacement only | $18,000 – $45,000 |
Prices in Costa Mesa climb when a bearing wall comes out, when the original cast-iron drain lines need replacement, or when the electrical panel is too small for a modern kitchen. We give you a line-item quote before work starts, and the price doesn’t change unless you change the scope.
How long does a kitchen remodel take in Costa Mesa?
Plan on 6 to 12 weeks for a full remodel, longer if structural work is involved. Permitting with the City of Costa Mesa typically adds 2 to 4 weeks before demolition starts. Call (855) 360-9836 for a timeline specific to your scope.
Do I need a permit to remodel my kitchen in Costa Mesa?
Yes, if you’re changing plumbing, electrical, or removing walls. A cosmetic refresh that keeps fixtures in place may not need one. We pull permits on every job where they’re required and handle inspections. Call (855) 360-9836 to discuss your project.
Brands We Service in Costa Mesa
We build with and service units from Cover, Dvele, and Boxabl, and we stock common finish parts locally so Costa Mesa projects don’t stall waiting on shipments. When a prefab panel or modular component arrives with a flaw or a missing piece, we handle the correction directly with the manufacturer. Our brands give you options without the coordination headache.
Pricing for ADU Company in Costa Mesa, CA
| Service | Typical range in Costa Mesa |
|---|---|
| Galley kitchen open-up (bearing wall removal) | $28,000 – $65,000 |
| Full kitchen renovation | $40,000 – $120,000 |
| Cabinet and countertop replacement only | $18,000 – $45,000 |
| Bathroom remodel (small, original footprint) | $18,000 – $35,000 |
| Bathroom remodel (medium, reconfigured) | $30,000 – $55,000 |
| Detached ADU (prefab, standard finish) | $180,000 – $320,000 |
| Detached ADU (prefab, premium finish) | $300,000 – $450,000 |
| Garage conversion ADU | $135,000 – $240,000 |
What pushes prices up in Costa Mesa is the age of the original plumbing and electrical, especially in 92627 homes still running cast-iron drains and 100-amp panels. Structural work to open a bearing wall is the other big variable. Every quote is line-item and fixed before we start, so the number you approve is the number you pay.
Neighborhoods We Serve in Costa Mesa
We work across Costa Mesa, from the tight alley-loaded grid of the Westside to the larger lots in Mesa Verde and the older tract streets off Harbor Boulevard. Most of our Costa Mesa jobs start with a site visit within a few days of your call.
- Westside (92627)
- Mesa Verde (92626)
- Eastside Costa Mesa (92627)
- College Park (92626)
- Halecrest / Hall of Fame (92626)
Service Area – Cities Near Costa Mesa
Fletcher ADU Builders also works in the cities around Costa Mesa, where the housing stock and permitting are similar but the details shift. We serve Newport Beach, CA with its coastal setback rules, Fountain Valley, CA where larger lots make detached units easier, Huntington Beach, CA with its mix of 1960s tracts and newer builds, and San Joaquin Hills, CA where hillside grading changes the foundation approach.
Serving Costa Mesa, CA — Our Local Coverage Area
We’re based in the Costa Mesa 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 Costa Mesa
We typically schedule a site visit within a few days of your call, and most Costa Mesa projects can start within 2 to 4 weeks once permits are in hand. The City of Costa Mesa’s permit timeline varies by scope. Call (855) 360-9836 to check current scheduling.
Most Costa Mesa single-family homes are not in HOAs, but some newer developments and condo conversions are. If an HOA applies, interior kitchen work usually only needs architectural approval if you’re changing windows or exterior venting. We can help you confirm what your HOA requires before you commit.
Yes, and we do this regularly. The key differences are material durability, faster timelines to limit vacancy, and selections that hold up to tenant use. We can stage the work to minimize downtime and coordinate with your property manager. Call (855) 360-9836 to discuss your rental.
Ready to talk about your Costa Mesa kitchen? Call (855) 360-9836 for a free estimate. We’ll walk the space with you, talk through what’s possible with your budget and your walls, and give you a written quote you can actually plan around.
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 Costa Mesa Customers Say
"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."
— Colleen Hoffman"Garage conversion to a one bedroom unit. He handled the plans, the city submittal, and every round of corrections. Took six months from first meeting to final inspection and he never once made the permit process my problem."
— Doug Parker"The kitchenette layout he suggested made better use of the space than the one on our original sketch."
— Michael Delaney