







Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Fast, Reliable General Contractor Across Costa Mesa
General contracting in Costa Mesa covers the whole messy middle of a project: planning, permits, demo, framing, rough-in, finish work, and the final inspection. A full kitchen remodel here runs $14,000 – $45,000; a bathroom remodel $9,000 – $28,000; a home addition $45,000 – $130,000. We coordinate the crews, the building department, and the material deliveries so you’re not doing it at 11 p.m. after work. Call (803) 680-2547 to schedule a free estimate, and we’ll put the whole scope in writing before any tool leaves the truck.
We know the streets between Fairview Park and the 405, the tract homes off Baker Street, and the ranch houses tucked back near the Westside. Costa Mesa’s housing stock has its own quirks, and we plan for them from day one. That’s the difference between a clean job and a slow one.
Why Mason Remodeling Is Costa Mesa’s Preferred General Contractor Company

Costa Mesa homeowners tell us the same thing: the hardest part isn’t picking tile, it’s trusting who walks through the door. So we make that part simple. Before any visit, you get the name and photo of every technician assigned to your project. At the door, each one arrives in a clean marked uniform and shows a photo ID badge. That’s the Threshold Standard, and it’s how we’ve run every job since 2004 as part of the Threshold Group family of home-service companies.
We also put the price in writing before work starts. Not a ballpark. Not a verbal guess. A written scope with line-item pricing, the way construction should work. And every completed project carries a written guarantee stating exactly what’s covered and for how long: 365 days from the completion date under our Done Right Promise. If something isn’t right within that year, we come back and make it right at no cost to you. No dispute process, no conditions.
Our General Contractor team has worked inside enough Costa Mesa homes to know where the surprises hide: the unpermitted subpanel behind the pantry, the load-bearing wall under original plaster, the floor joists that somebody “fixed” in 1987. We scope for those before we quote, not after we open the wall.
Styles & brands we work with







Licensed General Contractor in Costa Mesa
Licensed General Contractor work in Costa Mesa means you’re hiring one responsible party to manage the trades, the schedule, the materials, and the City of Costa Mesa building department. Plan review and inspection sign-off are part of the job, and skipping them to save a few hundred dollars creates resale problems later. We pull permits, schedule inspections, and keep the paper trail clean for your records and your future buyer.
What the role actually does
A licensed general contractor holds the contract, hires and schedules the electrician, plumber, framer, and finish carpenters, and answers for the result. In Costa Mesa’s older homes, that coordination is the difference between a 6-week cabinet delay and a job that wraps on schedule. We sequence work around inspection milestones so rough-in never waits on a permit.
When to call one in
You’re past a handyman when the job changes the footprint, moves plumbing or electrical, opens walls, or adds square footage. That’s true for kitchen remodels on the Eastside, bathroom remodels near Harbor Boulevard, and ADU construction in Mesa Verde. If a wall is coming down or a room is being added, the City wants permits, and a licensed general contractor carries that process end to end.
Residential General Contractor in Costa Mesa

Residential General Contractor work in Costa Mesa focuses on single-family homes, condos, and detached ADUs, and it starts with a written scope of work matched to your home’s actual condition. A small kitchen remodel runs $9,000 – $20,000; a full kitchen with layout changes and new cabinetry runs $14,000 – $45,000. Bathroom remodels range $9,000 – $28,000 depending on plumbing moves, tile scope, and fixtures. Our team is led by Isaac Pruett, and every project gets his direct review before the estimate goes out.
Kitchen and bath work
The most common calls we field from Costa Mesa homeowners are kitchens and bathrooms. Cabinet installation runs $4,000 – $13,000, countertops $2,000 – $6,500, and a walk-in shower $4,500 – $12,000. We carry professional-grade lines like KraftMaid, Wellborn, Cambria, Kohler, and Moen, and we templated and installed Cambria countertops in homes from College Park to the Westside. The brands hold up here; the install is what makes them last.
Additions and conversions
Room additions in Costa Mesa run $45,000 – $130,000, garage conversions $30,000 – $80,000, and full ADU construction $90,000 – $220,000. These projects involve structural work, foundation ties, and plan review through the City. We handle the whole sequence: plans, permits, demo, framing, rough-in, insulation, drywall, trim, and final inspection. You get one point of contact and one written price.
Trusted Brands We Service in Costa Mesa
Costa Mesa homeowners often ask whether we’ll install products from brands they already know. The answer is yes, and we keep it simple: we partner with specification-grade manufacturers across the trades so there’s no mystery about what goes into your home. Cabinetry through KraftMaid and Wellborn, surfaces through Cambria, Silestone, and Caesarstone, fixtures through Kohler, Moen, and Toto. For structure and exterior work, we use GAF and CertainTeed roofing products and Belgard or Unilock pavers. We can also work with prefab and panelized systems if a client is pursuing that direction: Dvele, Cover, and Abodu all produce units that can be site-adapted in Costa Mesa, and we’ve coordinated site prep and utility connections for those builds. Fast local access to materials matters here, because supply lead times are what stall most Costa Mesa remodels.
See the difference
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After
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AfterCommon General Contractor Problems We See in Costa Mesa Homes
- Unpermitted prior work hidden behind plaster. Costa Mesa’s 1950s and 1960s tract homes have had decades of owner “fixes.” When we open a wall near College Park or the Westside and find an unpermitted subpanel or spliced wiring, the scope changes, and the price moves with it unless it was priced for upfront. We scope for this before we bid.
- Load-bearing walls in inconvenient places. The original floor plans in Costa Mesa ranch homes often put bearing walls exactly where an open-concept island is planned. Removing one without proper header framing and a permit will sag the ceiling and fail resale inspection. We’ve reframed that span on homes near Plumer Street and elsewhere, and it adds both cost and engineering time to the job.
- Permit requirements ignored by previous owners. Closing up walls that were opened without City of Costa Mesa plan review creates a disclosure problem when you sell. Inspectors here do check, and the paper trail matters. We keep permits current and inspections signed off before drywall goes up.
- Material ordering out of sync with rough-in. Cabinetry ordered before the plumbing rough-in is confirmed often arrives too early or too late. In Costa Mesa’s tight lots and small garages, there’s nowhere to store a full kitchen’s worth of boxes. We sequence orders to inspection milestones, not to a salesperson’s timeline.
Pricing for General Contractor in Costa Mesa, CA
| Project | Costa Mesa Range |
|---|---|
| Kitchen Remodel | $14,000 – $45,000 |
| Bathroom Remodel | $9,000 – $28,000 |
| Home Addition | $45,000 – $130,000 |
| ADU Construction | $90,000 – $220,000 |
| Garage Conversion | $30,000 – $80,000 |
These ranges reflect Costa Mesa’s market as of this writing: older housing stock, City permit requirements, and mid-range professional-grade materials. The big cost drivers are structural work, utility relocations, and the finish level you choose. A small bathroom in a Fountain Valley-adjacent condo will sit near the bottom of the range; an Eastside kitchen with a load-bearing wall removal and Cambria slabs will sit near the top. We deliver a written price before any work starts, and that price doesn’t grow unless you change the scope and sign for it. Call (803) 680-2547 for a free estimate.
We Also Serve Cities Near Costa Mesa
Our crews work across the boundary between Costa Mesa and its neighbors, and we regularly run projects in Fountain Valley, Newport Beach, Santa Ana, and Huntington Beach. If you’re in one of those cities and comparing general contractors, the same written pricing and 365-Day Done Right Promise apply. For a broader view of our service and coverage, see General Contractor in Costa Mesa.
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 General Contractor in Costa Mesa
You generally can’t tell from looking at it, but the clues are the roofline, the floor joists below, and whether the wall runs perpendicular to framing above it. Costa Mesa ranch homes often have bearing walls running front to back, which surprises people planning an open kitchen toward the backyard. We verify in person, sometimes with a small inspection opening, before we finalize your written scope. Call (803) 680-2547 to schedule a free estimate.
Anything that moves plumbing, electrical, or walls, changes the footprint, or adds square footage requires a permit through the City of Costa Mesa. That includes kitchen and bath remodels once walls open, ADUs, garage conversions, and room additions. We handle plan review and inspection sign-off as part of the job, and the permits stay in your property file for resale.
A bathroom in Costa Mesa typically runs 3 – 6 weeks from demo to final inspection; a kitchen runs 6 – 12 weeks depending on the structural scope and cabinet lead times. Permits add 2 – 4 weeks on the front end at the City, which is why we pull them early and sequence material orders to inspection milestones. Call (803) 680-2547 for a schedule mapped to your specific project.
We write allowances as specific dollar line-items in your written price, and that price is delivered before work starts. If you choose a countertop or fixture that exceeds the allowance, we show you the exact difference on paper before ordering. There’s no guesswork in the final bill. The only time a Costa Mesa job price changes is when you approve a change and sign for it.
Yes, we install all three, along with Wellborn, Silestone, Caesarstone, Moen, and Toto. Cabinet installation in Costa Mesa runs $4,000 – $13,000, countertops $2,000 – $6,500, and bathroom vanities $800 – $3,000. We handle the full sequence from material ordering through final install, and the work carries the same 365-Day Done Right Promise as any larger remodel. Call (803) 680-2547 for an exact quote.
Written by Isaac Pruett, Owner at Mason Remodeling, serving Costa Mesa since 2004.










