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
Hiring a general contractor in Costa Mesa usually costs between $45,000 and $130,000 for a home addition, $9,000 to $28,000 for a bathroom remodel, and $14,000 to $45,000 for a kitchen remodel. We run projects across 92626, 92627, and 92628, and we know what the marine layer does to exterior materials here. Rick Sondermann and the Polaris Contractors team have spent years working on Costa Mesa’s 1950s and 1960s tract homes, which means we arrive already familiar with the slab issues, the shallow roof pitches, and the stucco conditions you’re dealing with. Call (855) 473-6535 for a free estimate, and we’ll walk your property before quoting anything.
Why Polaris Contractors Is Costa Mesa’s Preferred General Contractor Company
Most Costa Mesa homeowners who call us are tired of coordinating three or four different trades and watching the schedule slip because a sub didn’t show. We work as a single-source contractor, which means one agreement, one team, and one person accountable for the entire project from the roof down to the pavers. Our clients in the 92627 tracts and the west side of 92626 tell us the same thing: once you’ve managed a whole-home project with us, you won’t go back to patching together separate bids.
Local knowledge matters more here than in most Orange County cities. When we scope a kitchen remodel on a 1950s ranch near Victoria Street, we already know to check the slab before designing an island relocation. When we look at a second-story addition near Fairview Park, we assess how the Santa Ana winds will hit that east-facing wall. That’s the difference between a contractor who works in Costa Mesa and one who just drives through it.
We carry full general contracting scope under one license: interior remodeling, exterior envelope work, ADUs, hardscaping, fencing. Rick Sondermann built Polaris Contractors around the idea that a homeowner should never have to become a project manager. You call one number, and the whole job gets handled.
Styles & brands we work with
Licensed General Contractor in Costa Mesa
A licensed General Contractor in Costa Mesa manages the full scope of a residential project: pulling permits with the City of Costa Mesa, scheduling inspections, coordinating structural work, and holding every trade to a single standard of finish. You need one whenever a project spans more than one trade, or whenever structural work, electrical, plumbing, or roofing are involved in the same job. Kitchen remodels here run $14,000 to $45,000, bathrooms $9,000 to $28,000, and a full home addition $45,000 to $130,000, depending on what’s behind the walls once we open them up.
Permits and Code Compliance
Costa Mesa’s Building and Safety division is familiar with the city’s older housing stock, and they inspect to current code even when the rest of the house predates it. That means a simple bathroom remodel can trigger electrical panel upgrades or shear wall requirements once the inspector sees the existing conditions. We handle the permit set, the inspection scheduling, and the corrections so you’re not stuck interpreting code language.
Project Management and Trade Coordination
Our General Contractor team schedules every trade in sequence and keeps the materials arriving before the crew runs out of work. On Costa Mesa jobs, we also build in drying time for stucco and paint because the marine layer keeps mornings damp well past what the calendar suggests. Skipping that moisture testing is how coastal-facing walls end up blistering three months after the final walkthrough.
Residential General Contractor in Costa Mesa
A Residential General Contractor in Costa Mesa handles renovation and addition work on single-family homes, townhomes, and the occasional small multifamily property. The work we see most in 92626, 92627, and 92628 falls into two buckets: updating 1950s-to-1970s tract homes with modern kitchens, bathrooms, and energy-efficient windows, and adding square footage or ADUs where the original lot still has room. Impact window installation runs $8,000 to $25,000, paver driveways $7,000 to $18,000, and ADU construction $90,000 to $220,000 for prefab or traditional builds.
Whole-Home Remodels on Older Tracts
Many Costa Mesa remodels start with one room and expand once we show the homeowner what else is hiding. Original galvanized plumbing, federal-panel electrical systems, and single-pane aluminum windows all show up routinely in these homes. We guide you through which upgrades matter for resale and which can wait, using material tiers that fit your budget rather than defaulting to the most expensive option.
Additions and ADUs on Tight Lots
Costa Mesa lots run small, especially in 92627, and the setback rules don’t leave much room for error. We’ve done enough of these to know where the sewer laterals run, how close the neighbor’s structure sits, and what the City will flag on a plot plan. For ADUs, we offer prefab solutions through Abodu, Dvele, Boxabl, and Plant Prefab, which shortens the on-site construction window compared to a traditional stick build.
Trusted Brands We Service in Costa Mesa
We install and service windows and doors from Therma-Tru, ES Windows, ECO Window Systems, and Mr-Glass, and we stock the hardware and replacement parts Costa Mesa homeowners need most. Therma-Tru entry doors with composite frames hold up far better against marine-layer moisture than standard wood frames that swell and bind. ECO Window Systems and ES Windows both make impact-rated lines that we specify for coastal-facing elevations where salt air eats powder-coated aluminum. For Costa Mesa customers, we keep common replacement components in local inventory, which means a failing latch or a fogged insulated unit doesn’t have to wait on a distributor in Anaheim.
See the difference
Before
After
Before
After
Before
AfterCommon General Contractor Problems We See in Costa Mesa Homes
- Electro-galvanized fasteners rusting through in two years. The marine layer deposits salt on every exposed metal surface. Standard electro-galvanized screws on fence boards and railings start showing rust streaks within eighteen to twenty-four months. We specify stainless or hot-dip galvanized hardware on every exterior connection.
- Stucco and paint blistering on coastal-facing walls. Mornings in Costa Mesa stay damp well into the working day, and paint or stucco applied over substrate that hasn’t passed a moisture test will fail. We test before we coat, and we schedule exterior work around the marine layer’s dry windows.
- 1950s slabs cracking through new finishes. Many original slabs in 92627 were poured without vapor barriers or post-tension reinforcement. When an addition ties into that slab without an isolation membrane, the cracks show up in the new tile after the first Santa Ana cycle dries the soil.
- Shallow roof pitches limiting attic space and ventilation. Costa Mesa’s 1950s tract homes were built with low-pitch roofs that trap heat and limit room for modern insulation. When we replace a roof, we evaluate the rafter depth and ventilation path before quoting, so you don’t end up with a new roof over a still-sweltering attic.
Pricing for General Contractor in Costa Mesa, CA
Here’s what we quote for the most common Costa Mesa project scopes:
| Project Type | Costa Mesa Price Range |
|---|---|
| Home Addition | $45,000 – $130,000 |
| ADU Construction | $90,000 – $220,000 |
| Impact Window Installation | $8,000 – $25,000 |
| Paver Driveway Installation | $7,000 – $18,000 |
What moves the number: where the slab is cracked, what the electrical panel will handle, whether the roof framing can carry a second story, and whether you’re specifying coastal-grade materials or standard inland finishes. The coastal-spec version costs more up front. We’ll show you the math on why it costs less by year eight. Call (855) 473-6535 and we’ll give you a written, line-item estimate for your Costa Mesa property. Estimates are free.
We Also Serve Cities Near Costa Mesa
Polaris Contractors runs projects throughout Costa Mesa and the surrounding Orange County cities. We regularly take on full-scope remodels and additions in Newport Beach, Fountain Valley, Huntington Beach, and San Joaquin Hills. If you’re just across the 55 or up Bristol Street, the same team and the same brands are available. Call (855) 473-6535 and we’ll schedule a walkthrough wherever you are.
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
We routinely find original slabs in 92627 and west 92626 that were poured without vapor barriers or post-tension reinforcement, and many are cracked through by the time we open the walls. When tying new square footage into an old slab, we specify an isolation membrane and engineered slab transition so the existing cracks don’t telegraph into your new flooring. We were called to a 1955 ranch off Victoria Street where the homeowner wanted a 400-square-foot addition; our crew found the original slab had no vapor barrier and was cracked through the future breakfast nook, so we poured a separate footing with a stainless dowel system and sealed the joint, then used a Schluter membrane under the tile to isolate movement. The client later told us the new floor never cracked, even after the Santa Ana winds dried the soil. Call (855) 473-6535 to have your slab evaluated before you commit to an addition.
A coastal-spec roof replacement in Costa Mesa costs more because the materials are different at the fastener level. Standard electro-galvanized nails corrode in salt air within a few years; we specify stainless or hot-dip galvanized fasteners, marine-grade flashing, and underlayment rated for constant moisture exposure. The labor is also more involved because we test roof deck moisture before installation, and the marine layer means we can’t always start at 7 a.m. and run a full exterior day. The inland-spec roof is cheaper up front and rusts through within a decade. We won’t quote you that one. Get an exact number by calling (855) 473-6535.
Yes, any remodel that touches electrical, plumbing, structural framing, or exterior walls in Costa Mesa requires a permit through the City’s Building and Safety division. The trigger is usually the plumbing and electrical work: moving a sink, adding a circuit, or relocating a toilet means the inspector will want to see it. We pull all permits in-house and handle the inspections and corrections. A remodel done without permits becomes a problem when you sell, and Costa Mesa buyers are getting savvier about checking permit history. Call (855) 473-6535 and we’ll tell you exactly what your project triggers.
Fiberglass and marine-grade aluminum frames hold up far better than standard vinyl or wood against Costa Mesa’s salt air and damp mornings. We specify ES Windows and ECO Window Systems for coastal-facing elevations, and Therma-Tru for entry doors because their composite frames don’t swell and bind the way wood does. Impact-rated glass is worth considering even outside the wind zones, because the same laminated construction that resists debris also resists the salt etching that clouds standard glass over time. We’ll show you the frame options in person. Call (855) 473-6535.
Allowances are built into our contracts for the items you haven’t selected yet, like fixtures, tile, or countertops, and we track them against actual selections as you choose. Change orders happen when you add scope or when we open a wall and find something the original builder left behind, which happens more in Costa Mesa’s 1950s homes than in newer construction. The estimate you sign is the price you pay unless we both agree in writing to change it, and we never start a change order without your sign-off. Call (855) 473-6535 for a free estimate and a walkthrough of your specific project.
Written by Rick Sondermann, Owner at Polaris Contractors, serving Costa Mesa and Orange County since 1987.