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
If you’re planning a kitchen gut, a bath overhaul, a second-story addition, or a detached ADU behind a 1960s ranch in Fountain Valley, you need one contractor who can own the whole thing. That’s us. Toolbox Contractors is a licensed general contractor working across ZIP codes 92708 and 92728, and we’ve done enough work on the flat, gridded streets around Ellis Avenue, Talbert Avenue, and Magnolia Street to know exactly what Fountain Valley code enforcement and soil conditions will throw at a project. Call (855) 382-3257 for a free estimate and we’ll walk you through the real numbers before you commit to anything.
Fountain Valley is a fully built-out, master-planned postwar suburb. Nearly every job here is a remodel, addition, or rebuild, not new subdivision work. That changes how you scope a project, and it changes who you want running it. One contractor. Every phase.
Why Toolbox Contractors Is Fountain Valley’s Preferred General Contractor Company
Fountain Valley homeowners tend to research before they call. They know the difference between big-box cabinets and KraftMaid or Wellborn. They ask about Cambria versus Caesarstone. They want a contractor who can answer those questions without blinking. That’s how we’ve built our reputation here. Our General Contractor team handles everything from a single-room remodel to a full interior-to-exterior scope, and our Fountain Valley customers consistently tell us the same thing: they stopped juggling three phone numbers once we took over.
Norm Castellano leads the company, and he’s the person you’ll see on site, not a rotating project manager who’s never swung a hammer. That matters in Fountain Valley because the city’s building department is thorough. Inspectors here check. Permits don’t glide through. Knowing which inspector covers which tract and what they flag on a second-story addition or an ADU conversion saves weeks on a schedule. We know because we’ve done it on more than one street between Slater Avenue and Warner Avenue.
Response time to Fountain Valley is straightforward: we schedule walkthroughs within a few days of your call, and we show up when we say we will. That’s not a slogan. It’s how we keep referrals coming from Fountain Valley homeowners who’ve been burned by no-show contractors before.
Styles & brands we work with







Hire a General Contractor in Fountain Valley
Hire a General Contractor in Fountain Valley when the project spans trades that shouldn’t be coordinated by a homeowner on a group text. A kitchen remodel runs $14,000 to $45,000 in this market. A bathroom overhaul runs $9,000 to $28,000. A room addition ranges $45,000 to $130,000, and a detached ADU runs $90,000 to $220,000 depending on site conditions, which we’ll get into below. The point of hiring one general contractor is that the framing, electrical, plumbing, drywall, tile, and finish work all fall under one contract, one schedule, and one point of accountability.
Full-Scope Remodeling
Fountain Valley’s housing stock is dominated by single-story 1960s and 1970s ranch and tract homes. Original wood framing, older electrical panels, dated plumbing. When you open a wall on a Magnolia Street ranch, you find what you find. We scope for it before we quote. And when the remodel expands from the kitchen to the roof to the fence, we keep the same crew and the same schedule instead of handing you off to three subs with three calendars.
Second-Story Additions and ADUs
You can’t build out much on a standard Fountain Valley lot. The lots are tight, the setbacks are already at the edge, and the neighbors are close. So homeowners go up, or they build back. Second-story additions and detached ADUs are the two biggest growth projects we quote in Fountain Valley, and both hit the same three local issues: expansive clay soils, a shallow water table, and strict lot-line setbacks. If your contractor’s quote doesn’t mention a soils report, walk away.
General Contractor Services in Fountain Valley
General Contractor Services in Fountain Valley cover everything from a kitchen and bath remodel to a full exterior envelope replacement. The homes here were built fast in the 1960s and 1970s. Roofs age out. Windows leak. Stucco cracks. Fences rot at the posts. And because Fountain Valley sits on heavy clay in places, foundations shift more than you’d expect for a coastal city. We scope the whole property, not just the room you called about, because a kitchen remodel that exposes a corroded galvanized supply line or an overloaded Zinsco panel shouldn’t turn into a surprise change order.
Kitchen and Bath Remodeling
A full kitchen remodel in Fountain Valley runs $14,000 to $45,000 depending on layout changes, cabinetry grade, and countertop selection. We install KraftMaid and Wellborn cabinets, Cambria and Caesarstone countertops, and Kohler or Moen fixtures. A bathroom remodel runs $9,000 to $28,000. A tub-to-shower conversion runs $3,500 to $10,000. These are real Fountain Valley numbers, not national averages.

Roof, Windows, and Exterior Envelope
Fountain Valley doesn’t freeze, but the dry-season sun and Santa Ana winds do real damage to roofs and windows over a decade. Roof replacement runs $8,000 to $20,000. Impact window installation runs $8,000 to $25,000. Window replacement runs $4,500 to $15,000. We’re certified to install GAF, CertainTeed, and Owens Corning roofing systems, and we install PGT and CGI impact windows for homes that want wind and debris protection.

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.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Fountain Valley
We don’t install whatever’s cheapest at the supply house. Toolbox Contractors works with 50+ vetted material brands across every phase of a project, which means a Fountain Valley homeowner can walk through a showroom and point at a Cambria slab, a Grohe fixture, a James Hardie siding profile, and a GAF roofing shingle, and we install exactly that. We stock common replacement parts for Fountain Valley jobs and order specialty components with enough lead time that the schedule doesn’t stall. Here, we name drop on purpose: Tamko and Boral for roofing, PGT and CGI for windows. When a Fountain Valley homeowner asks what we install, the answer is specific.
See the difference
Before
After
Before
After
Before
AfterCommon General Contractor Problems We See in Fountain Valley Homes
- Expansive clay and shallow groundwater. Fountain Valley sits over a high water table and pockets of expansive clay, so additions and detached ADUs routinely require soils reports, deeper footings, and engineered site drainage that same-size builds on Santa Ana’s higher, sandier ground often skip entirely. We scope this before quoting, not after mobilization.
- Original 1960s and 1970s electrical panels. Many Fountain Valley ranch homes still run on outdated panels that can’t handle a new kitchen’s load. A remodel here often includes a panel or service upgrade, and we build that line item into the quote up front.
- Tight lot-line setbacks and neighbor sensitivity. Fountain Valley’s gridded layout means your addition is close to your neighbor’s fence. The city enforces setbacks aggressively. We survey and setback-check every project in the scoping phase so permitting doesn’t stall.
- Roof and stucco wear from sun and Santa Ana winds. The mild climate sounds forgiving, but decades of dry-season UV and periodic wind events wear out roofing, flashing, and stucco faster than homeowners expect. We inspect the whole envelope when we walk a property.
Pricing for General Contractor in Fountain Valley, CA
Pricing in Fountain Valley is set by the site, not just the square footage. A kitchen remodel runs $14,000 to $45,000. A bath runs $9,000 to $28,000. A home addition runs $45,000 to $130,000. A detached ADU runs $90,000 to $220,000. A garage conversion runs $30,000 to $80,000. What moves the needle? Expansive clay that forces deeper footings and a soils report. A high water table that forces over-excavation and drainage engineering. Long material hauls down narrow drives on standard lots. We build those line items into the quote before you sign, which is the whole point of the Information-Gain hook below.
| Project Type | Fountain Valley Price Range |
|---|---|
| ADU Construction | $90,000 – $220,000 |
| Home Addition | $45,000 – $130,000 |
| Garage Conversion | $30,000 – $80,000 |
Call (855) 382-3257 for a free, written, line-item estimate. No vague lump sums. You’ll see the grading line, the drainage line, the cabinetry line, and the roof line before you commit.
We Also Serve Cities Near Fountain Valley
Our General Contractor in Fountain Valley work routinely takes us across the city line into General Contractor territory in Midway City, Huntington Beach, Costa Mesa, and Westminster. If you’re a Fountain Valley homeowner with a project on the edge of town, the same crew and the same pricing discipline apply.
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
We install KraftMaid and Wellborn cabinetry, Cambria, Silestone, and Caesarstone countertops, Kohler, Moen, Grohe, Toto, and Blanco fixtures, and Schluter tile systems for waterproofing. The brand list matters because Fountain Valley homeowners who’ve been through a remodel before know exactly what a generic catalog looks like, and they don’t want it. Call (855) 382-3257 to go through your finish selections line by line.
We schedule walkthroughs in Fountain Valley within a few days of your call, and we cover all of 92708 and 92728. The walkthrough is free, and it’s where we talk about clay soils and water tables before we ever hand you a number.
Yes. When a Fountain Valley property falls under county permitting rather than city permitting, the septic and well setback reviews change how we position an outbuilding or detached ADU. We pull those records during scoping, not after the first inspection stalls. The Ellis Avenue job is the model: we brought in the soils engineer before we ever set forms.
Not if the site was scoped properly. The only changes we approve as change orders are ones you initiate, like upgrading a countertop or adding a fixture mid-project. Our Fountain Valley quotes include the grading, drainage, and haul-distance line items up front, which is exactly what most contractors add as surprises after mobilization.
We pull every permit the job requires and we schedule every inspection. Fountain Valley’s building department is thorough, and we’d rather have the inspector see exactly what’s in the permit set than have a homeowner try to explain an unpermitted footing. Call (855) 382-3257 for an exact quote. Estimates are free.
Written by Norm Castellano, Owner at Toolbox Contractors, serving Fountain Valley.