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 Fountain Valley
Salt air, old slabs, and fifty-year-old stucco. That’s what we actually deal with when a Fountain Valley homeowner calls. Not generic “home improvement.” A General Contractor in Fountain Valley needs to understand what the marine layer does to window frames on Heil Avenue, what the shallow groundwater does when you excavate for an addition off Slater, and why a 1968 tract home on a slab needs different detailing than anything in Irvine. Noel Carrington runs our crews with that knowledge front and center. Call (855) 901-7266 and you’ll get someone who knows the difference between a coastal-spec job and one that just looks like it.
Key Takeaways:
- Most Fountain Valley work is remodel, addition, or rebuild on 1960s-70s tract homes, not new construction.
- Coastal-spec materials cost 15-25% more upfront but last twice as long within two miles of the marine layer.
- Every excavation in this city has to account for the Santa Ana River floodplain water table.
- We’re one contractor managing every trade, every permit, every material decision, from roofline to foundation.
Why San Mateo Construction Is Fountain Valley’s Preferred General Contractor Company
We’ve spent enough time in Fountain Valley to know which zip codes, 92708 and 92728, have the worst drainage surprises and which tracts still have original aluminum wiring. That local pattern recognition matters when we’re pricing a kitchen remodel on a house where the panel hasn’t been touched since Nixon was in office. Homeowners here in Fountain Valley tend to research heavily before committing. They ask about material tiers, they ask why a window spec matters, and they want one accountable team instead of four subcontractors pointing fingers. That’s how we work anyway.
We manage everything under one contract. That means the same licensed General Contractor team handling your re-roof can also remodel the kitchen, replace the windows, and install a paver driveway. You’re not coordinating a roofer, a tile guy, and a fence company separately. Noel Carrington set San Mateo Construction up to carry broad brand access across every home system, so we can spec a Cambria countertop and a CertainTeed roof on the same job without ever handing you off to a stranger. Our Fountain Valley customers tell us the single point of accountability is what made the project manageable.
We answer the phone. We show up on time in Fountain Valley. We pull permits in the city, not around it. And when Fountain Valley’s building department has questions about drainage plans or seismic tie-downs on a 55-year-old stick-framed house, we have answers ready before they ask.
Styles & brands we work with







Hire a General Contractor in Fountain Valley
Hire a General Contractor in Fountain Valley when the job spans more than one trade, and you stop being able to manage the schedule yourself. A kitchen remodel that opens a wall, moves plumbing, upgrades a subpanel, and needs new windows is a general contracting job, not three separate bids. In Fountain Valley, a typical kitchen remodel runs $14,000 to $45,000 depending on whether we’re keeping the original footprint or reconfiguring. Most of the cost difference comes down to cabinet tiers, countertop material, and how much old-house infrastructure we have to bring up to current code.
Whole-Home and Structural Scope
When a Fountain Valley homeowner calls us about a whole home remodel, they’re usually in a 1968 single-story that’s never had a major update. That means we’re looking at galvanized plumbing that’s corroding from the inside, an undersized 100-amp panel, single-pane aluminum windows with chalked frames, and composition shingles past their useful life. We plan the job so those systems get replaced in the right order, before finishes go in.
Additions and ADUs on Slab
A room addition in Fountain Valley runs $45,000 to $130,000, and the number swings on soil conditions as much as square footage. Because the city sits on the old floodplain, we almost always specify a drainage detail and moisture barrier at the slab connection that an Irvine tract build would never need. An ADU ranges from $90,000 to $220,000, and through our manufacturer partnerships with Abodu, Dvele, and Plant Prefab, we can build to current energy code on a shallow foundation where traditional stick-built would fight the water table.
General Contractor Services in Fountain Valley
General Contractor Services in Fountain Valley cover the full exterior-to-interior scope. That’s what separates a general contractor from a trade specialist. We re-roof a house with GAF or Owens Corning materials, then replace the PGT or Therma-Tru windows, then remodel the kitchen with Wellborn cabinetry and a Silestone countertop, all under the same contract. The homeowner in Fountain Valley deals with one schedule, one budget, one person accountable when a tile line is off or a window arrives late.
Roofing and Exterior Systems
Fountain Valley’s UV load is relentless on roofs. A full roof replacement runs $8,000 to $20,000 depending on square footage, pitch, and whether we’re tearing off one layer or two. We don’t just lay shingles. We upgrade the underlayment to a high-temp sealed membrane at valleys and penetrations because the occasional Santa Ana wind event will find every cheap detail you skipped.

Interior Remodeling and Finishes
Inside, we’re usually opening up a closed-off 1960s floor plan, re-plumbing a bathroom that’s never had a modern valve, or re-casing windows that leak air. Bathroom remodels in Fountain Valley run $9,000 to $28,000. A tub-to-shower conversion runs $3,500 to $10,000. We’re familiar with Schluter waterproofing systems, and we use them on every wet area because Fountain Valley’s marine-layer humidity shows no mercy to shortcuts behind tile.

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.
Trusted Brands We Service in Fountain Valley
We stock and install components from PGT, CGI, Tamko, and Boral for Fountain Valley jobs because these are the brands that hold up near the coast. PGT and CGI vinyl and impact-rated frames resist the salt corrosion that eats standard aluminum window frames within a few years of marine-layer exposure. Tamko and Boral give us roofing and trim options that stand up to the UV and dry-season heat. Because we keep inventory access local and our parts suppliers on short timelines, Fountain Valley customers aren’t waiting two weeks for a reorder when a window arrives with a cracked sash.
See the difference
Before
After
Before
After
Before
AfterCommon General Contractor Problems We See in Fountain Valley Homes
- Rusted fasteners bleeding through stucco. Standard electroplated screws on exterior railings and fence posts start showing rust streaks on stucco within three years this close to the ocean. We specify stainless or hot-dip galvanized hardware, and we’ve seen enough of these failures to know it’s not a premium, it’s the minimum that actually works.
- Soft stucco under original aluminum windows. Marine-layer condensation collects on old single-pane aluminum frames, wicks into the stucco, and rots the paper behind it. Homeowners call us about a drafty window and we often find the wall assembly needs repair too.
- Drainage surprises at excavation. The Santa Ana River floodplain left shallow groundwater and old agricultural drainage lines under many Fountain Valley lots. When a garage conversion or addition starts, our crews sometimes uncover things that the original tract builder left behind in the 1960s. We plan for it up front and put the soil and drainage scope in the contract before a shovel goes in.
- Electrical and plumbing code upgrades mid-project. A kitchen remodel on a 1965 Fountain Valley ranch almost always includes upgrading an undersized panel and replacing original galvanized supply lines. We tell homeowners this before we start so the budget has room for it, instead of finding out when the wall is open.
Pricing for General Contractor in Fountain Valley, CA
Here’s what we see in Fountain Valley’s current market. These are real numbers from jobs we’ve scoped in 92708 and 92728, not internet averages. The coastal-spec upgrade, meaning stainless fasteners, marine-grade window frames, sealed paver joints, and a proper drainage detail, typically adds 10-20% to the materials line on exterior work. It sounds like extra until you price replacing rusted railing hardware and re-patching stucco in year six. The cheap spec costs more within a decade, every time.
| Project | Fountain Valley Range |
|---|---|
| Home Addition | $45,000 – $130,000 |
| ADU Construction | $90,000 – $220,000 |
| Roof Replacement | $8,000 – $20,000 |
| Window Replacement | $4,500 – $15,000 |
| Impact Window Installation | $8,000 – $25,000 |
Every estimate we give in Fountain Valley is a written line-item quote. You’ll see exactly what the coastal-spec materials cost versus the standard spec, and we’ll tell you honestly where the upgrade is worth it and where it isn’t. Call (855) 901-7266 to schedule your free estimate.
We Also Serve Cities Near Fountain Valley
San Mateo Construction is based out of San Mateo but our crews work throughout Fountain Valley and the surrounding Orange County communities. We regularly serve Midway City, Huntington Beach, Costa Mesa, and Westminster. If you’re in one of those cities and dealing with the same mid-century housing stock and coastal conditions, the same approach applies. Call (855) 901-7266 and we’ll tell you if it makes sense for us to come out.
Serving Fountain Valley, CA — Our Local Coverage Area
We’re based in the Fountain Valley 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 Fountain Valley
Yes, it changes the scope meaningfully. The soft stucco means moisture has been getting behind the wall assembly for years, and a competent general contractor has to open that area up, repair or replace the damaged framing or sheathing, install a proper sill pan and flashing, and then re-patch with a breathable finish. On a 1968 single-story in the Heil/Los Caballeros area, we replaced corroded aluminum frames with marine-grade vinyl, added stainless fasteners, and finished with an elastomeric stucco patch. The window replacement was the easy part. Call (855) 901-7266 and we’ll walk you through what your specific house needs.
Yes, Fountain Valley requires permits for a garage conversion, including structural, electrical, and plumbing reviews. A garage conversion runs $30,000 to $80,000 in Fountain Valley. Whether the old slab holds up depends on drainage and moisture. Because much of the city sits over shallow groundwater from the old floodplain, we almost always add an exterior drainage detail and moisture barrier at the slab edge, and sometimes we’re cutting and re-pouring a section of floor to get the elevation right. We pull the permits and handle the inspection process. Call (855) 901-7266 for a site walkthrough.
For a 1,500 square foot single-story in Fountain Valley, expect to pay roughly $1,500 to $3,000 more for a coastal-spec roof than an inland-spec job of the same square footage. The difference is in the underlayment, the valley and penetration flashing details, and the fastener spec. Standard galvanized nails and basic felt underlayment fail early under Fountain Valley’s UV load and Santa Ana wind. A roof replacement here runs $8,000 to $20,000 total depending on tear-off layers and pitch, and the coastal-spec portion is the best money in the whole line item. Call (855) 901-7266 and ask us to show you the two specs side by side.
The marine layer keeps moisture in the air and on the surface long after the sun burns off inland. In Fountain Valley, unsealed paver joints absorb that moisture, then dry out, then absorb again, and the cycle loosens the sand and lets weeds and ants through. We seal joints on paver driveways and patios as standard here, not as an upgrade. A paver driveway in Fountain Valley runs $7,000 to $18,000 depending on square footage, base depth, and whether we need to correct drainage first. A paver patio runs $3,500 to $11,000. The sealer costs a few hundred dollars and prevents the joint failure we see on unsealed jobs within two years.
Yes, we handle the full permit process for ADUs in Fountain Valley, from plans to inspections. An ADU in Fountain Valley ranges from $90,000 to $220,000 depending on whether you go with a manufacturer like Abodu or Dvele or a stick-built design. Fountain Valley’s position over the old floodplain means the foundation and drainage design gets extra scrutiny from the building department, and that’s where our local experience actually saves you time and change orders. We’ll give you a written line-item quote that includes permits, foundation, utility connections, and finishes. Call (855) 901-7266 and we’ll start with the site evaluation.
Written by Noel Carrington, Owner at San Mateo Construction, serving Fountain Valley and surrounding Orange County communities.