Kitchen remodeling
Bathroom remodeling
Home additions & ADU
Roofing
Windows & doors
Driveway & pavers
FenceFree written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Fast, Reliable General Contractor Across Costa Mesa
If you own a home in Costa Mesa built between the 1960s and the 2000s, you’re likely staring at builder-grade finishes that have served their time. The question most Costa Mesa homeowners ask us is simple: what do we upgrade first, what does it cost, and how do we keep our builder warranty from blowing up in the process? A full-scope general contractor in Costa Mesa gives you one point of contact for every phase, from the first kitchen walkthrough to final HOA sign-off. Call (877) 752-4194 and we’ll come out to look at your home, walk the lot lines, and give you a straight answer.
Why Milpitas Construction Is Costa Mesa’s Preferred General Contractor Company
We’ve worked enough Costa Mesa projects to know the city isn’t one market. The Mesa del Mar tract off Irvine Avenue has different bones than the older lots west of Harbor Boulevard. That matters when you’re pricing a room addition or sequencing an ADU around a 1950s-era setback. Our team, led by Ken Stafford, treats Costa Mesa plan check as its own beast. We know which items the city’s reviewers flag first and which HOA architectural committees in the 92626 tracts actually enforce.
Costa Mesa homeowners call us because we don’t hand off responsibility. One crew, one contract, one person accountable for the schedule. When a homeowner in Mesa Verde asks about converting a detached garage, we check lot coverage against the city’s 50% line before we quote a number. When a family in the College Park area wants a kitchen remodel, we verify the builder warranty status before touching a wall. That’s the difference between a contractor who works in Costa Mesa and one who actually knows Costa Mesa.
Call (877) 752-4194 to schedule your free estimate. We’ll map the project, flag warranty and HOA triggers, and hand you a written scope.
Styles & brands we work with







Construction Company in Costa Mesa
A construction company in Costa Mesa handles the structural and envelope work that other trades won’t touch: room additions, second-story additions, garage conversions, ADUs, and exterior upgrades like siding, roofing, paver driveways, and fencing. Homeowners in the 92626 and 92627 ZIP codes call us for projects that require plan check, structural engineering, or a permit set. Here’s what that looks like in practice.
Plan Check and Permits
Costa Mesa runs its own fire and building plan check, so we submit drawings directly to the city rather than the county. That changes review timelines and the comments you’ll get. We handle the submittal, the resubmittals, and the inspections. You don’t chase status updates.
What Construction Costs Here
A home addition in Costa Mesa typically runs $45,000 to $130,000 depending on foundation work and whether the city requires a second-story design. An ADU runs $90,000 to $220,000. A garage conversion falls between $30,000 and $80,000. These are real numbers from our Costa Mesa estimates, not national averages.
Remodeling Contractor in Costa Mesa
A remodeling contractor in Costa Mesa focuses on the interior systems homeowners replace first: kitchens, bathrooms, flooring, and the subfloor surprises hiding under 1970s particleboard. In the Mesa del Mar tract off Irvine Avenue, our crew upgraded a 1970s kitchen with KraftMaid cabinets and Cambria countertops, but the original subfloor was particleboard that had swelled from a slow leak. We replaced the subfloor, documented the moisture reading, and submitted it to the builder’s warranty administrator to keep the structural coverage intact. After inspection sign-off, we completed the rough-in for a new island outlet and closed out the punch list with the homeowner.
Kitchen Remodel Sequencing
We spec materials by name, so you know exactly what’s going into your home. KraftMaid and Wellborn for cabinetry. Cambria, Silestone, and Caesarstone for counters. Kohler and Grohe for fixtures. A full kitchen remodel in Costa Mesa runs $14,000 to $45,000. A smaller refresh runs $9,000 to $20,000.
Bathroom Scope and Pricing
Costa Mesa bathrooms in 1960s and 1970s homes often have galley layouts and failing cast-iron drains. A full bathroom remodel runs $9,000 to $28,000. A small bathroom, $5,000 to $12,000. A walk-in shower installation, $4,500 to $12,000. We pull the permit, replace the valve, and handle the drain line if it’s shot.
Trusted Brands We Service in Costa Mesa
We keep our Costa Mesa jobs moving by working directly with brand representatives and stocking common components locally. That includes window and door lines like CWS, ES Windows, ECO Window Systems, and Mr-Glass. If you’re replacing a slider in a 92627 home, we’ll quote the exact model rather than a vague “energy-efficient window.” For kitchens and baths, we pull from 50+ name-brand product lines across cabinetry, countertops, plumbing, roofing, and hardscaping, so you never have to guess what you’re paying for. From the roofline to the kitchen counter, one contractor, one conversation.
See the difference
Before
After
Before
After
Before
AfterCommon General Contractor Problems We See in Costa Mesa Homes
- Builder warranty traps in newer 92626 tracts. Many Costa Mesa homes built since 2000 carry structural warranties that require written approval before any alteration. Starting a kitchen or bath upgrade without that written sign-off can void coverage for water damage or structural issues.
- HOA architectural review surprises. In Costa Mesa’s newer developments, unapproved exterior changes like paver driveways or fence styles can lead to fines and forced removal. We sequence the HOA submittal before we order materials.
- Subfloor and framing rot hidden by stucco. The marine layer off the Pacific keeps humidity high in Costa Mesa, which means slow leaks do real damage before they show on a wall. We’ve opened kitchens where the tile looked fine and the subfloor was gone.
- Galvanized and early copper plumbing failures. The west side’s 1950s and pre-war homes in 92627 frequently carry original galvanized supply lines or early thin-wall copper. A remodel is often the best time to repipe before the walls close back up.
Pricing for General Contractor in Costa Mesa, CA
Here are the line-item ranges we’re quoting right now for Costa Mesa. These include labor, materials from the brands we spec, permit fees, and our project management. They don’t include change orders, because we build the scope before we start.
| Project | Typical Costa Mesa Range |
|---|---|
| Kitchen Remodel | $14,000 – $45,000 |
| Bathroom Remodel | $9,000 – $28,000 |
| Cabinet Installation | $4,000 – $13,000 |
| Countertop Installation | $2,000 – $6,500 |
| Home Addition | $45,000 – $130,000 |
| ADU Construction | $90,000 – $220,000 |
| Garage Conversion | $30,000 – $80,000 |
What moves the number? Structural work, room count, finish tier, and whether the HOA requires specific materials. A basic kitchen refresh in a Costa Mesa tract home is a different project than a full gut with custom cabinetry and stone counters. We give you one written scope with a fixed price, no change orders unless you change the scope. Estimates are free. Call (877) 752-4194 to schedule yours.
We Also Serve Cities Near Costa Mesa
Our General Contractor team works throughout the greater Costa Mesa area, including Newport Beach, Fountain Valley, Huntington Beach, and San Joaquin Hills. If you’re just outside the city limits, we can still help. See our General Contractor in Costa Mesa page for local coverage details.
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
Start with the kitchen, because it’s the room Costa Mesa buyers and appraisers value most. A full kitchen remodel here runs $14,000 to $45,000, and a smaller refresh runs $9,000 to $20,000. Bathrooms come second at $9,000 to $28,000. Call (877) 752-4194 for a free walkthrough and a prioritized scope.
Get written approval before any alteration, especially in Costa Mesa’s newer 92626 tracts where structural warranties are still active. We document pre-existing conditions, submit the proposed scope to the warranty administrator, and sequence work so the warranty stays intact. We’ve done this in the Mesa del Mar tract and other Costa Mesa neighborhoods. Call us and we’ll check your warranty status first.
Yes, in most newer Costa Mesa developments, the HOA architectural committee must approve exterior changes before work starts. Unapproved paver driveways or fence styles can trigger fines and forced removal. We prepare the submittal, meet the design guidelines, and schedule the work only after written approval. Call (877) 752-4194 and we’ll handle the HOA paperwork.
Yes, and garage conversions in Costa Mesa run $30,000 to $80,000. The catch is parking requirements and lot coverage. Costa Mesa planning often requires a replacement covered parking space or a variance, and the 92626 tracts have stricter rules than the older west-side lots. We’ll check your specific address and tell you what’s feasible before you spend a dime.
A first kitchen remodel in a Costa Mesa builder-grade home typically runs $14,000 to $45,000 for a full project with new cabinets, counters, and fixtures. A smaller refresh runs $9,000 to $20,000. Countertop installation alone runs $2,000 to $6,500. Call (877) 752-4194 for an exact quote based on your home and finish selections.
Written by Ken Stafford, Owner at Milpitas Construction, serving Costa Mesa since the company’s founding.