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 Home Remodeling Across Coto De Caza
Home remodeling in Coto De Caza means working inside a gated, master-planned community where the CZ Master Association reviews nearly every exterior change before the county ever sees a permit. Our team knows that process cold because we’ve walked dozens of Coto De Caza projects through it, from kitchen openings in the golf-course villages to full additions on equestrian lots. If you’re planning a remodel and want one contractor who handles the HOA submittal, the county permit, the open-wall surprises, and the finish work, call Square One Builders at (877) 688-9930. We’ll give you a straight answer on scope and cost before anything gets signed.

Why Square One Builders Is Coto De Caza’s Preferred Home Remodeling Company
We’re a full-scope general contractor, which matters in Coto De Caza because the houses here rarely need just one trade. A kitchen remodel on a 1990s Mediterranean in the golf-course villages often turns into structural fixes, electrical upgrades, and exterior touch-ups that trigger CZ Master Association review. One contractor handling every system means one point of accountability when the walls come open.
Our reputation in Coto De Caza is built on the unglamorous work: permits pulled correctly, HOA submittals filed on time, change orders written line by line. Brent Calloway founded Square One Builders on that premise. Homeowners here don’t want a contractor who bids low off the visible finishes and then pleads ignorance when the framing is undersized. They want someone who anticipated it. We do.
Response time to Coto De Caza from our Westminster office is consistent because we schedule this area in full days, not drive-by estimates. When you call, we’re not sending someone who’s never worked inside the gates.
Styles & brands we work with







Home Remodeling Contractor in Coto De Caza
A Home Remodeling Contractor in Coto De Caza handles the full scope of a renovation: demolition, structural work, mechanical and electrical rough-in, and finish carpentry, all coordinated under one contract. For a kitchen remodel here, expect to budget $14,000 – $45,000 depending on cabinet grade, countertop material, and how much code work the open walls reveal. A bathroom remodel runs $9,000 – $28,000. These ranges reflect what we’ve quoted across the 92690 zip code, not national averages.
Open-Wall Scope Reviews
Before we sign a contract, we ask to open a small section of wall or pull a fixture. In Coto De Caza homes built between the 1980s and 2000s, that inspection often turns up aluminum branch wiring, undersized headers, or failed waterproofing behind tile. We build allowances into the contract for what the inspection finds, and anything beyond that becomes a written change order with pricing before we touch it.
Load-Bearing Changes and Additions
Removing a load-bearing wall or adding square footage on a hillside lot in Coto De Caza means working with expansive clay soils and slope drainage. We pull the county permit, engineer the beams, and coordinate the CZ Master Association submittal so the structural work and the architectural review move together, not against each other.
Home Remodeling Companies in Coto De Caza
Most Home Remodeling Companies in Coto De Caza specialize in one trade: kitchens, bathrooms, or exterior siding. Square One Builders runs the full scope because the houses here don’t break cleanly along trade lines. A homeowner who opens a kitchen wall for a layout change in a 1990s golf-course village home finds wiring and framing issues that need a general contractor’s license to correct. That’s the job we do. Cabinet installation in Coto De Caza typically runs $4,000 – $13,000, and countertop installation runs $2,000 – $6,500, with the range driven by whether you’re going Cambria on a large island or Silestone on a smaller perimeter run.
One Contract, Every Trade
We don’t hand you a list of subcontractors and wish you luck. Roofing, windows, cabinets, countertops, plumbing fixtures, and hardscaping all fall under our contract. When the CZ Master Association flags a stucco color, we fix it. When the county inspector calls out a WUI vent detail, we fix that too. You never get caught between a roofer and a window installer who each blame the other.
ADU and Addition Capability
Home additions in Coto De Caza run $45,000 – $130,000, and we also handle ADU construction through prefab partners including Abodu, Dvele, and Plant Prefab. That’s a category most local remodelers can’t touch, and it matters here because many Coto De Caza lots can accommodate a detached unit if the HOA and county both approve the site plan.

Trusted Brands We Service in Coto De Caza
Your remodel should let you choose materials at the quality level that fits the house and the budget, not whatever the contractor has sitting in a warehouse. We install CertainTeed and Owens Corning roofing, KraftMaid cabinetry, Cambria countertops, Kohler plumbing fixtures, James Hardie siding, and PGT windows. For Coto De Caza specifically, we keep in mind the CZ Master Association’s material standards and the WUI requirements that certain brands satisfy. You’ll never hear us push a spec that will fail HOA review just because we have it in stock. We spec the right material for your project, and we tell you why.
See the difference
Before
After
Before
After
Before
AfterCommon Home Remodeling Problems We See in Coto De Caza Homes
- Aluminum branch wiring from the 1980s and 1990s. Once a wall is open, county code requires replacement or retrofit in most renovated circuits. We catch this during the open-wall inspection and price it before rough-in starts.
- Failed waterproofing behind tile in hillside homes. Expansive clay soils move, and shower pans or tub surrounds that were installed decades ago leak into the subfloor. We strip to the studs, assess the damage, and quote the repair as a line item before laying new tile.
- CZ Master Association non-compliance from prior unpermitted work. We regularly find additions or exterior changes that were done without HOA approval or a county permit. That scope has to be corrected or re-submitted before the new work can pass final inspection.
- Ember-vulnerable vents and non-Class-A roofing on exterior remodels. Because Coto De Caza sits in a Very High Fire Hazard Severity Zone, any re-roof or exterior wall change triggers WUI material upgrades that an inland contractor from Mission Viejo wouldn’t even flag on the estimate.
Pricing for Home Remodeling in Coto De Caza, CA
Here’s what we’re quoting right now for Coto De Caza, based on the housing stock and approval process here:
| Scope | Typical Range |
|---|---|
| Kitchen Remodel | $14,000 – $45,000 |
| Bathroom Remodel | $9,000 – $28,000 |
| Home Addition | $45,000 – $130,000 |
| Cabinet Installation | $4,000 – $13,000 |
| Countertop Installation | $2,000 – $6,500 |
What moves the number most is what’s behind the walls, not which faucet you pick. We write allowances into every Coto De Caza contract for the known risk areas: older wiring, underbuilt framing, and failed waterproofing. If something else surfaces, you get a line-item change order to approve before we proceed. Estimates are free. Call (877) 688-9930 and we’ll walk your project with you.
We Also Serve Cities Near Coto De Caza
Our Home Remodeling crews work throughout the 92690 zip and into the surrounding foothill communities. You’ll find us on jobs in Mission Viejo, Lake Forest, Laguna Hills, and Rancho Santa Margarita. If you’re in one of those cities and want the same full-scope approach, call (877) 688-9930 and ask about our Home Remodeling process. We cover all of Coto De Caza and the neighboring South Orange County market.
Serving Coto De Caza, CA — Our Local Coverage Area
We’re based in the Coto De Caza 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 Home Remodeling in Coto De Caza
Yes, nearly every exterior change and many interior structural changes in Coto De Caza require CZ Master Association architectural review before the county permit is issued or work begins. We prepare the HOA submittal, including material samples, color renderings, and site plans, and we track the review timeline so it doesn’t stall your demo date. Call (877) 688-9930 if you want to know whether your specific scope triggers HOA review.
Coto De Caza homes built between the 1980s and 2000s often have aluminum branch wiring, undersized framing, or hidden water damage that only becomes visible during the open-wall inspection. We include allowances for the most common issues in your contract, and if something else surfaces, you get a written change order with line-item pricing before we proceed. You’ll never get a surprise invoice at the end.
Yes. Because Coto De Caza is in a Very High Fire Hazard Severity Zone, any re-roof or exterior remodel must use WUI-compliant materials like Class A roofing and ember-resistant vents. We spec those products from the start so your job doesn’t get red-tagged at inspection. Call (877) 688-9930 and we’ll tell you exactly what your exterior scope triggers.
County permits are required for any structural, electrical, plumbing, or mechanical change in a Coto De Caza kitchen or bath remodel, and we pull every permit ourselves. Inspections happen at rough-in and final, and we schedule them around your HOA review timeline. An unpermitted remodel won’t pass resale disclosure here, and it won’t pass CZ Master Association record review either.
We install KraftMaid and Wellborn cabinetry, Cambria and Silestone countertops, Kohler and Moen plumbing fixtures, CertainTeed and Owens Corning roofing, James Hardie siding, and PGT windows, among others. Your material choices have to satisfy both your taste and the CZ Master Association’s design standards. Call (877) 688-9930 for a free estimate and we’ll help you spec the right product for the review and the budget.
If you’re planning a remodel in Coto De Caza and want one contractor who manages the HOA, the permits, the open-wall surprises, and the finish work, call Square One Builders at (877) 688-9930. We’ll schedule a walkthrough, open a wall if needed, and give you a written scope and price. Free estimates, no obligation.
Written by Brent Calloway, Owner at Square One Builders, serving Coto De Caza since the company’s founding.