General Contractor in Fountain Valley, CA | Square One Builders

General Contractor in Fountain Valley — Free Estimate, One Written Price

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Fast, Reliable General Contractor Across Fountain Valley

Square One Builders is a full-scope General Contractor serving Fountain Valley homeowners who want one accountable team for the entire remodel, from structural work and roofing to cabinetry, countertops, and plumbing fixtures. We work throughout Fountain Valley’s 92708 and 92728 zip codes, and we know exactly what these 1960s and 1970s tract homes demand when walls start opening up. If you’re planning a kitchen remodel, bathroom update, room addition, or ADU in Fountain Valley, call (877) 688-9930 for a free estimate and a straight answer on what your project will actually take.

General contractor using a level to measure wall studs during construction in Fountain Valley, CA

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Why Square One Builders Is Fountain Valley’s Preferred General Contractor Company

We’ve earned our reputation in Fountain Valley by doing what most remodelers won’t: managing every system under one contract. When a homeowner off Ellis Avenue or near Mile Square Park calls us about a kitchen remodel, we’re already thinking about the roof pitch, the age of the plumbing, and whether the original single-pane windows will need to be addressed for the room to perform. That’s the difference between a contractor who shows up for one trade and a general contractor who sees the whole house.

Our Fountain Valley customers consistently tell us the same thing: they were tired of coordinating three or four separate specialists and watching the schedule slip between them. With Square One, the buck stops in one place. Brent Calloway leads our team with a simple operating rule: scope it fully, price it honestly, and build it to stay that way. That approach has made us the team Fountain Valley homeowners recommend to neighbors on streets like Talbert Avenue, Slater Avenue, and Brookhurst Street.

Because we’re based just up the road in Westminster, our crews can be in Fountain Valley quickly for site visits, measurements, and permit walks. We know the Fountain Valley building department’s inspection rhythms. We know which subdivisions have HOA architectural review committees that move slowly. And we plan the schedule accordingly so you’re not waiting on an approval that we should have flagged in week one.

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Styles & brands we work with

Kitchen remodeling
Kitchen remodeling
Bathroom remodeling
Bathroom remodeling
Home additions & ADU
Home additions & ADU
Roofing
Roofing
Windows & doors
Windows & doors
Driveway & pavers
Driveway & pavers
Fence
Fence

Licensed General Contractor in Fountain Valley

A Licensed General Contractor in Fountain Valley is the contractor of record who pulls permits, schedules inspections, and carries the accountability for every trade on your project. When you remodel a Fountain Valley tract home, you’re almost always touching something that requires a permit, whether that’s moving a load-bearing wall, upgrading an electrical circuit, or replacing a roofline. A licensed GC handles that entire paper trail and the inspection sequence, and that alone saves Fountain Valley homeowners weeks of back-and-forth with the city. On a typical Fountain Valley kitchen remodel, where the range runs $14,000 to $45,000, the permit and inspection work is a meaningful part of why you hire a general contractor instead of a handyman with a truck.

Permit Pulling and Code Retrofit

Fountain Valley’s building department expects older homes to be brought up to current code when walls open. That means a kitchen cabinet swap can legally trigger an electrical upgrade if the original aluminum branch wiring is still feeding the circuits. We pull the permit, write the change order in clear language, and get the inspector’s sign-off before finish work resumes.

Full-Scope Project Management

From demolition through final punch list, one team runs the schedule, the subs, the material deliveries, and the inspections. You’re not calling a plumber at noon and a drywaller at three. You’re calling us once, and we’re already on it.

Residential General Contractor in Fountain Valley

A Residential General Contractor in Fountain Valley handles the full range of work on owner-occupied homes: kitchens, bathrooms, additions, window replacement, roofing, and exterior systems. That’s what we do at Square One. When a Fountain Valley homeowner wants to replace builder-grade finishes with something that will actually last, we’re the contractor who can sequence the whole thing so the cabinet install isn’t waiting on a window that wasn’t ordered, and the roofing tear-off isn’t happening while the countertops sit in the driveway. A bathroom remodel in Fountain Valley typically runs $9,000 to $28,000, and a window replacement project lands between $4,500 and $15,000 depending on the number of openings and whether you’re upgrading from single-pane aluminum to insulated vinyl or impact-rated glass.

Kitchens, Bathrooms, and Whole-Home Updates

We manage kitchen remodels from a $9,000 small-kitchen refresh up to a $45,000 full-gut rebuild with custom cabinetry and stone counters. Bathrooms follow the same pattern: a $5,000 small bath update at one end, a $28,000 full primary bath rebuild at the other. The brand and material decisions happen after we understand your home’s structure, not before.

Additions, ADUs, and Exterior Systems

A room addition in Fountain Valley runs $45,000 to $130,000, and an ADU runs $90,000 to $220,000. We also coordinate exterior work like roof replacement ($8,000 to $20,000) and window replacement under the same contract, so the interior and exterior scopes don’t fight each other.

General contractor and client reviewing blueprints at a home renovation site. in Fountain Valley, CA

Trusted Brands We Service in Fountain Valley

We spec materials from a portfolio of 50+ brands, and we stock common local replacement parts for Fountain Valley projects so turnarounds stay short. That includes roofing from CertainTeed, Owens Corning, and IKO, plus cabinetry from KraftMaid and Wellborn and countertops from Cambria and Silestone. Brent Calloway’s rule on brands is simple: we spec the right material for your project, not whatever’s sitting in a warehouse. Whether that’s CertainTeed shingles on a Fountain Valley ranch roof or an Owens Corning system on a low-pitch tract home, the material choice is intentional and matched to the local climate.

Before & after

See the difference

Before - Recent ProjectBeforeAfter - Recent ProjectAfter
Recent Project
Before - Full RestorationBeforeAfter - Full RestorationAfter
Full Restoration
Before - Complete UpgradeBeforeAfter - Complete UpgradeAfter
Complete Upgrade

Common General Contractor Problems We See in Fountain Valley Homes

  • Aluminum branch wiring behind original drywall. Many Fountain Valley homes built in the 1960s and 1970s still carry aluminum wiring on branch circuits. Open a wall for a kitchen island and you may be required to upgrade the circuit before the inspector will sign off.
  • Single-pane aluminum windows that complicate every remodel. Those original windows are a thermal and noise liability, and they often fail code when an adjacent room is remodeled. Window replacement in Fountain Valley runs $4,500 to $15,000 depending on the number of windows and the glazing spec.
  • Marine layer moisture intrusion on exterior work. Fountain Valley’s coastal influence means morning marine layer and winter rain windows. Roofing, stucco, and exterior paint work has to be scheduled around moisture, or you trap dampness behind the new finishes. We plan exterior scopes around the weather, not against it.
  • HOA and architectural review friction on visible changes. Many Fountain Valley subdivisions have HOA review processes for exterior color, window style, and roof material. We document the scope in writing up front so a stop-work or a voided warranty doesn’t blindside you mid-project.

Pricing for General Contractor in Fountain Valley, CA

Here’s what Fountain Valley homeowners can expect to pay for the most common first-upgrade projects. These are real ranges from recent Fountain Valley work, not national averages.

Project Typical Fountain Valley Range
Kitchen Remodel $14,000 – $45,000
Small Kitchen Remodel $9,000 – $20,000
Cabinet Installation $4,000 – $13,000
Countertop Installation $2,000 – $6,500
Bathroom Remodel $9,000 – $28,000
Window Replacement $4,500 – $15,000
Roof Replacement $8,000 – $20,000

What moves the number is the condition behind the walls. A kitchen that only needs cabinets and counters is a different job than one where the original aluminum wiring has to come out. We price both honestly, with a written change order if hidden conditions appear. Call (877) 688-9930 for a free estimate on your Fountain Valley project, and we’ll give you a line-item range before you commit to anything.

We Also Serve Cities Near Fountain Valley

Square One Builders serves Fountain Valley and the surrounding communities including Midway City, Huntington Beach, Costa Mesa, and Westminster. If you’re just outside Fountain Valley and planning a remodel, call us anyway. Our crews are already moving through these neighborhoods every week.

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

Why Fountain Valley Chooses Square One Builders

We set the standard for general contractor in Fountain Valley.

No Change-Order Surprises

The written quote you sign is the price you pay. Anything we find mid-job gets priced and approved by you in writing before we touch it.

Licensed & Insured

Fully certified technicians who meet all local and state licensing requirements.

Upfront Pricing

No hidden fees, no surprises. You approve the price before any work begins.

Guaranteed Work

Every repair and installation is backed by our workmanship warranty and satisfaction guarantee.

How It Works in Fountain Valley

Getting your general contractor handled is simple and fast.

1

Call or Request a Free Estimate

Tell us about your general contractor needs and we provide an upfront, transparent quote — no obligation, no hidden fees.

2

Licensed Technician Dispatched

A background-checked, certified technician arrives in Fountain Valley — typically within 30–60 minutes, with parts stocked on the truck.

3

Problem Solved, Guaranteed

We complete the job to your full satisfaction, backed by our warranty and 100% satisfaction guarantee.

What happens when you call

  1. 1
    A real person answersNo phone trees — talk to a local general contractor pro.
  2. 2
    You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
  3. 3
    We come out and measureLicensed & insured, at a time that suits you — the visit and the quote are both free.
  4. 4
    You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.

What Fountain Valley Customers Say

Trusted by homeowners across Fountain Valley and surrounding areas.

★★★★★

"Every inspection passed first time. The building department clearly knows him and that made the whole process easier."

Christine Yang · Verified customer
★★★★★

"He caught an error in the engineer's drawings before it got framed, which would have been an expensive thing to discover later."

Lucia Martinez · Verified customer
★★★★★

"Allowances in the contract were realistic rather than artificially low to make the bid look good."

Colleen Bennett · Verified customer

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