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 Irvine
Home remodeling in Irvine works differently than it does in most Orange County cities. Between Irvine Company architectural guidelines, active builder warranties in the Great Park and Orchard Hills tracts, and 1970s tract homes now reaching full retrofit age, the paperwork and sequencing matter as much as the tile you pick. Square One Builders runs full-scope remodels across every Irvine village: Woodbridge, University Park, Northwood, Turtle Rock, Westpark, and the new Great Park neighborhoods. One contractor manages interior and exterior from the ground up, so you’re not juggling four specialists and wondering who owns the punch list. Call (877) 688-9930 for a free, line-item estimate before you pull a single cabinet.

Why Square One Builders Is Irvine’s Preferred Home Remodeling Company
Most Irvine homeowners have not lived through a major remodel before. They have lived through the process of trying to coordinate a roofing contractor, a cabinet installer, and a window crew who each answer to someone else. That is exactly what we are not. Brent Calloway built Square One Builders as a true general contractor scope, meaning we handle structural, roofing, windows and doors, cabinetry, countertops, plumbing fixtures, flooring, hardscaping, and ADUs under a single contract and a single accountable team. One contractor, every system.
Our Home Remodeling team has worked inside the approval layers that define Irvine construction. We know which villages require architectural review even for interior work that touches windows or door openings. We know what a builder warranty voiding clause looks like in a Great Park tract home. And we have pulled the finish schedules that keep those warranties intact while a kitchen or bathroom gets entirely rebuilt. That local knowledge is the difference between a remodel that sails through and one that stalls for months in HOA limbo.
Styles & brands we work with







Full Home Remodel in Irvine
A full home remodel in Irvine typically runs $45,000 to $130,000 depending on square footage, scope, and material tier. For most tract homes in Woodbridge or University Park, that means gutting kitchens and bathrooms, replacing first-generation PVC plumbing, swapping original aluminum windows, re-siding stucco exterior walls, and often adding a bedroom or converting a garage. For newer Great Park and Orchard Hills homes, full-scope work more often means upgrading builder-grade finishes throughout, opening interior walls, adding custom millwork, and redoing outdoor hardscape, all under active architectural control. We spec the right material for your project, whether it is a GAF roof on a 1979 Woodbridge single-story or a Cambria quartz island in a 2019 Great Park home.
Whole-home renovation, sequenced properly
Irvine homes built in the 1970s and 1980s share a common sequence problem: the stucco exterior, the tile roof, the PVC plumbing, and the original kitchen all hit replacement age within a five-year window. Doing them one at a time means paying mobilization costs four separate times and living through demolition four separate years. Our full-scope approach lets you sequence roof, windows, kitchens, and baths in one continuous schedule with one permit package. We rough in plumbing before drywall closes, document every phase, and walk the punch list with you the same week.
Builder-grade to custom, one contract
If you bought a Great Park or Spectrum home in the last ten years, you already know what builder-grade means: oak or thermofoil cabinets, 4-inch granite or laminate tops, low-pile carpet, basic chrome fixtures. A full home remodel in that context is not repair work, it is finish replacement across every room. We bring KraftMaid, Wellborn, Cambria, Silestone, Kohler, and Toto to the table, priced in tiers so you can balance what you upgrade with what stays. Your remodel, fully managed.
Home Remodeling Contractor in Irvine
Choosing a home remodeling contractor in Irvine means checking more than a license and a portfolio. It means verifying that whoever you hire understands village-specific design guidelines, builder warranty constraints, and the Santa Ana wind and UV exposure that age Irvine exteriors faster than most of Southern California. Square One Builders has managed projects from the 1970s villages of Woodbridge and University Park to the still-under-warranty tracts of Great Park and Orchard Hills. Licensed, insured, and bonded, we are the single accountable team from demolition through final inspection.
Working around builder warranties
In a Great Park tract home, a kitchen remodel can trigger warranty review on adjacent systems: plumbing rough-in, electrical, fire suppression, even window flashing. We have done this before. In a recent project, we pulled builder-grade oak cabinets and swapped in KraftMaid boxes with a Cambria quartz top, keeping the change order under the builder’s warranty so the cabinetry voiding clause stayed intact and the HOA architectural review approved the finish change. That level of care is why Irvine homeowners who start with a single bathroom often come back to us for the whole house.
HOA-compliant exterior and interior work
Irvine is not a city where you swap windows from a truck-bed catalog and call it done. Woodbridge has one set of window color and style rules. Northwood has another. Turtle Rock, with its hillside custom lots, often has the strictest design review of any village. We file the architectural applications, attend the review calls if needed, and build to the approved spec so you are never the homeowner standing in front of a notice of violation over a door color.
Trusted Brands We Service in Irvine
We work with over 50 nationally recognized material brands across every major home system. For Irvine roofs, that includes GAF, CertainTeed, and Owens Corning, three of the largest manufacturers in the country. For countertops, we carry Cambria, Silestone, and Caesarstone so you can price a quartz island from premium to mid-tier without switching contractors. Windows come from PGT and Therma-Tru, siding from James Hardie, fixtures from Kohler, Moen, Toto, and Grohe. Having access to this range means we spec the right material for your project instead of selling you whatever one supplier has on the shelf. For Irvine homeowners, that translates to faster ordering, better warranty coverage, and a remodel that holds up to wind, UV, and daily family life.

See the difference
Before
After
Before
After
Before
AfterCommon Home Remodeling Problems We See in Irvine Homes
- Builder-warranty traps on first upgrades. Great Park and Orchard Hills homes are still inside their structural and finish warranty windows. Start demolition without a written finish schedule and a builder can void coverage on plumbing, electrical, and cabinetry adjacent to the work. We sequence and document every phase to protect your remaining warranty.
- Skipped HOA architectural review on “interior-only” jobs. You pull a building permit, rip out a kitchen, and then swap a window for more light. That window swap is exterior-visible, which triggers architectural review in Woodbridge, Northwood, and Turtle Rock. Miss it, and the HOA can flag the project mid-construction and hold up your final inspection.
- Sun and UV degradation on Irvine exteriors. Stucco, roofing, and paint in Irvine take relentless heat and dry Santa Ana winds for six-plus months of the year. Original 1980s stucco on Woodbridge and University Park homes is often failing at the weep screeds and around window penetrations. We repair and re-seal before we re-roof or re-side so exterior work does not peel off the first sunny July.
- First-generation plumbing and windows hitting end of life together. The PVC supply lines installed in 1970s tract housing are brittle now. The original aluminum windows are thermally inefficient and often warped. Irvine homeowners who wait until a pipe bursts behind a finished wall pay triple what a coordinated repipe and remodel costs when the wall is already open.
Pricing for Home Remodeling in Irvine, CA
Irvine pricing sits at the upper end of the Orange County range, partly because material and labor rates are higher here and partly because HOA paperwork and builder-warranty coordination add a management layer most contractors do not quote. What that means in real terms:
| Project | Irvine Price 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 |
| Walk-In Shower Installation | $4,500 – $12,000 |
| Tub-to-Shower Conversion | $3,500 – $10,000 |
| Window Replacement | $4,500 – $15,000 |
| Home Addition | $45,000 – $130,000 |
These are written, line-item ranges for Irvine market conditions as of this season. The biggest cost drivers are cabinet tier, countertop material, whether plumbing moves, and whether the HOA requires architectural review with revisions. We quote fixed pricing with no change orders, and every estimate is free. Call (877) 688-9930 and we will walk your home, check your village’s guidelines, and give you a number you can actually plan around.
We Also Serve Cities Near Irvine
Square One Builders works throughout central Orange County. If you live in Irvine or a neighboring city, we are your contractor. Our crews cover Tustin, Aliso Viejo, Santa Ana, and North Tustin with the same full-scope remodel capability and the same brand portfolio. Same team, same standards, same straight answers on pricing and permits.
Serving Irvine, CA — Our Local Coverage Area
We’re based in the Irvine 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 Irvine
Yes, but only if the remodel is sequenced and documented the right way. Your builder warranty covers structural systems and finish components installed at construction. If you start demolition without a written finish schedule that shows what is being removed, what is being replaced, and how adjacent systems are protected, the builder can reasonably claim the remodel compromised covered components like plumbing rough-in or electrical runs. Work with a general contractor who documents the rough-in before drywall closes, schedules inspection sign-off, and keeps a change order that leaves your warranty intact. Call (877) 688-9930 for an exact scope review, free.
Usually no, unless the interior work changes anything visible from the exterior: window sizes, door openings, exterior vents, outdoor lighting, or roof penetrations. In villages like Woodbridge, Northwood, and Turtle Rock, even a bathroom fan vent relocation can trigger architectural review because it changes the roofline or exterior stucco. We recommend pulling your village’s design guidelines before you finalize a kitchen or bath layout with a window change, and we file the review application as part of our permit package.
For most newer Great Park or Spectrum homes, the highest-value first upgrades are kitchen cabinets and countertops, master bathroom shower and vanity, and window replacement if the original glazing is single-pane or early dual-pane with aluminum frames. A kitchen cabinet and countertop upgrade typically runs $4,000 to $13,000 for cabinets and $2,000 to $6,500 for tops. A walk-in shower replacement runs $4,500 to $12,000. These are the changes you will feel every single day.
Roofing and structural systems. A newer Great Park or Orchard Hills home has a roof under builder warranty and a structural frame that is nowhere near replacement age. Spending money on a roof you do not need, while ignoring the tile counters and oak cabinets you see every day, is a sequencing mistake we see often. Leave the roof alone. Put the budget into kitchens, baths, windows, and hardscape, and check your builder warranty before you touch anything structural.
Because Irvine is a master-planned city developed almost entirely under Irvine Company design guidelines. Nearly every village has an HOA architectural review board, even for single-family homes. The city building department enforces state code, but the HOA enforces village-specific finish rules, color palettes, and exterior standards. In Santa Ana or Tustin, a contractor can often pull a permit and start. In Irvine, the permit is usually the second approval, not the first. That layer is also why hiring a contractor who has filed these reviews for years saves you months of back-and-forth on your remodel.
Ready to plan your Irvine remodel the right way, warranty intact and HOA paperwork done? Call Square One Builders at (877) 688-9930 to schedule your free estimate. We will walk your home, check your village’s design guidelines, and give you a line-item price you can build a real budget around.
Written by Brent Calloway, Owner at Square One Builders, serving Irvine since 2007.