ADU Company in Costa Mesa, CA
Kitchen remodeling in Costa Mesa usually means working inside a 1950s or 1960s tract home where the original footprint was never designed for how families cook today. We see the same conditions over and over across 92626 and 92627: load-bearing walls that split the kitchen from the living room, galvanized plumbing that has reached the end of its service life, and electrical panels that cannot support modern appliance loads. Newport Beach ADU Builders handles the full kitchen remodel, from permit drawings through cabinetry, countertops, tile, and appliance installation, so you do not hand the job to a second company after the shell work is done. Call (844) 934-0236 to schedule a free estimate for your Costa Mesa kitchen.
Why Costa Mesa Homes Are Different
Costa Mesa is one of the few Orange County cities with an adopted ADU ordinance that allows detached units on lots zoned R-1 in the older 92626 and 92627 neighborhoods, provided the unit fits within the existing single-family envelope. That means nearly every project here starts with a lot-coverage and setback audit against the 1970s-era tract plats, not a design exercise. The homes themselves are mostly 1950s to 1970s single-story tract builds on 6,000 to 7,500 square foot lots, many with detached garages and mature ficus or avocado trees whose root zones and canopy shade complicate rear-yard placement and solar access.
The coastal-adjacent marine layer keeps summers mild but adds salt-laden air and morning dampness, so any ADU exterior needs corrosion-resistant fasteners and proper flashing. Winter rains make roof drainage and site grading critical on these tight lots. One Costa Mesa quirk that surprises out-of-town contractors: the 3-foot rear setback allowance on garage conversions in 92627, where many detached garages already sit at the rear property line. We plan for these realities from the first site visit.
Our Main Costa Mesa Services
Costa Mesa homeowners call us most often about two projects: building an ADU and remodeling an existing bathroom. Both jobs run into the same local conditions here: older tract construction, tight side yards, and permit requirements that reward planning ahead. Here is what each involves.
ADU Builders in Costa Mesa
An ADU in Costa Mesa starts with the lot, not the floor plan. The city’s rule allowing detached units within the existing single-family envelope means we spend real time on lot-coverage math before we talk about cabinets or countertops. Because we work with brands like Boxabl, Tuff Shed, and James Hardie, we can match the build method to your lot’s actual constraints instead of forcing one product onto every backyard. For the full picture on ADU construction in Costa Mesa, including pricing and timelines, see our dedicated page on ADU Builders in Costa Mesa.
Bathroom Remodeling in Costa Mesa
Older Costa Mesa bathrooms in 92626 and 92627 frequently hide rot behind the tile from decades of coastal moisture and poor ventilation. A bathroom remodel here often includes re-framing the wet wall, replacing cast-iron drain lines, and upgrading to a properly vented fan before any tile goes up. We handle the plumbing, waterproofing, tile, fixtures, and finish work under one contract. For project details, timelines, and pricing specific to this service, visit our page on Bathroom Remodeling in Costa Mesa.
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
A kitchen remodel in Costa Mesa typically costs between $35,000 and $90,000 depending on whether you keep the existing footprint or open walls, and most projects here run four to eight weeks from demolition to final inspection. The 1950s and 1960s tract homes that dominate 92626 and 92627 were built with small, closed-off kitchens, and the coastal moisture means old galvanized supply lines and cast-iron drains are usually ready for replacement by the time a homeowner renovates. We approach every Costa Mesa kitchen with the understanding that the plumbing and electrical are as likely to be removed as the cabinets. For a broader look at how we approach kitchen work across the area, see our Kitchen Remodeling page.
Full Layout Reconfiguration
Signs you need it
The kitchen is walled off from the living space and the existing footprint cannot fit a standard refrigerator and range without blocking the traffic path.
What it costs in Costa Mesa
Opening load-bearing walls, relocating plumbing and electrical, and reconfiguring the kitchen layout in Costa Mesa typically runs $50,000 to $90,000.
How we do it
We survey the existing structure, size the new beam, pull the permit, then sequence demolition, framing, rough-in, drywall, cabinetry, counters, and finishes in that order.
Cabinet and Countertop Replacement
Signs you need it
The cabinet boxes are structurally sound but the doors are delaminating, the drawer slides are failing, or the countertops are chipped and water-damaged.
What it costs in Costa Mesa
Replacing cabinets, counters, sink, faucet, and backsplash without moving walls in Costa Mesa generally falls between $25,000 and $45,000.
How we do it
We measure the existing kitchen, order pre-finished or custom cabinetry, remove the old surfaces, install new cabinets and countertops, then reconnect plumbing and appliances.
What Kitchen Remodeling Costs in Costa Mesa
| Item | Typical range in Costa Mesa |
|---|---|
| Full layout reconfiguration with wall removal | $50,000 – $90,000 |
| Cabinet and countertop replacement | $25,000 – $45,000 |
| Kitchen and bathroom remodeling package | $60,000 – $120,000 |
How long does a kitchen remodel take in Costa Mesa?
Most Costa Mesa kitchen remodels take four to eight weeks. A cabinet-and-counter replacement can finish in three to four weeks; a full layout change with wall removal runs six to eight weeks because of structural inspection points.
Do I need a permit to remodel my kitchen in Costa Mesa?
Yes, when you move plumbing, electrical, or remove a wall. Costa Mesa inspections come with specific sequence points for framing, rough-in, and final. We pull permits and schedule every inspection ourselves. Call (844) 934-0236 for a project-specific answer.
Brands We Service in Costa Mesa
We install and service Boxabl, Plant Prefab, Tuff Shed, and James Hardie products in Costa Mesa. Hardie fiber-cement siding panels are kept in regular stock for coastal-moisture exposure, and prefab units generally arrive within eight to fourteen weeks of permit sign-off. See our brands for the full manufacturer list.
Pricing for ADU Company in Costa Mesa, CA
| Service | Typical range in Costa Mesa |
|---|---|
| ADU construction (all formats) | $150,000 – $450,000 |
| Prefab ADU build | $125,000 – $300,000 |
| Garage conversion to ADU | $95,000 – $200,000 |
| Kitchen remodel (cabinet/counter replacement) | $25,000 – $45,000 |
| Kitchen remodel (full layout change) | $50,000 – $90,000 |
| Bathroom remodel | $18,000 – $45,000 |
| Kitchen and bath package | $60,000 – $120,000 |
Prices push upward in Costa Mesa when a job requires sewer lateral replacement, root intrusion work from mature ficus and avocado trees, or panel upgrades on older 100-amp services. Every estimate is a fixed written line-item quote, and we do not issue change orders unless you ask for a scope change.
Neighborhoods We Serve in Costa Mesa
We work throughout Costa Mesa, from the tract-home corridors of Mesa Verde and the State Streets to College Park, Westside, and the Eastside. Most houses in these neighborhoods share the same era of construction, so our crews arrive already familiar with the plumbing, framing, and lot geometry they will find.
- Mesa Verde
- State Streets
- College Park
- Westside
- Eastside
Response time for an estimate in Costa Mesa is typically two to three business days depending on current schedule volume.
Service Area – Cities Near Costa Mesa
Newport Beach ADU Builders serves Costa Mesa and the surrounding Orange County communities. If you are in a neighboring city, we provide the same fixed-price estimates and manufacturer-matched ADU options. Our nearby service pages cover Newport Beach, CA, Fountain Valley, CA, Huntington Beach, CA, and San Joaquin Hills, CA.
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
Most Costa Mesa projects begin with a lot survey and permit package that takes two to four weeks to prepare before submittal to the city. Construction typically starts six to twelve weeks after the city approves the permit. Call (844) 934-0236 for a current schedule.
Some Costa Mesa neighborhoods have HOA restrictions that overlap with city ADU rules, especially in planned communities. The city’s 3-foot rear setback allowance applies where no stricter HOA or overlay restriction exists. We check both before finalizing a design.
Yes. Since we build ADUs and handle kitchen and bathroom remodeling under the same contract, we can sequence both projects so your home is not torn up twice. One permit package, one schedule, one point of contact for the entire property.
If you are weighing an ADU against a remodel, or trying to figure out which brand fits your lot, call (844) 934-0236 for a free estimate. We will walk the property, check the lot-coverage numbers, and give you a written price before you commit to anything.
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
"Unit came out great and the tenant is happy. The timeline ran long, largely because of how slow the city was on plan check, though a couple of the delays were scheduling on their end."
— Heather Ackerman"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."
— Diego Castillo"Sound insulation between the unit and the main house is better than I expected. You genuinely cannot hear the tenant."
— Malik Nash