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 Westminster
Home remodeling in Westminster typically runs $45,000 to $130,000 for a full-home scope, and the biggest variable isn’t labor or materials. It’s what we find once we open the walls. Most homes here were built between 1955 and 1975, and decades of multi-generational living mean unpermitted additions are common. Our team has worked streets from Bolsa Avenue to the 92683 corridor long enough to know what the Westminster building department will flag. Call (877) 752-4194 to schedule a free estimate, and we’ll start with permit discovery before we ever talk price.
Why Milpitas Construction Is Westminster’s Preferred Home Remodeling Company
Westminster homeowners call us because we treat a remodel as a single accountable project, not a rotating cast of subcontractors. Ken Stafford, who runs our Home Remodeling operation, built the company around one contract and one point of contact from roofline to kitchen counter. That matters when you’re juggling a roof replacement, window retrofit, and kitchen gut on the same 1960s ranch.
We’ve done enough work in Westminster to know the specific problems these homes throw at you. Stucco that’s sun-baked but hides dry rot behind it. Garages that were converted into family rooms in the 1980s with no permits. Electrical panels that were never upgraded when the family room became a full-time bedroom. We spec materials by name, so you know exactly what’s going into your home before we order it.
Our customers in the 92683, 92684, and 92685 ZIP codes consistently mention the same thing: we showed up when we said we would, and we didn’t disappear when the scope got complicated. Free estimates, written line-item quotes, and fixed pricing with no change orders unless you approve them first.
Styles & brands we work with







Full Home Remodel in Westminster
A full home remodel in Westminster means something different than it does in a newer city like Irvine or Tustin. Here, it usually means a 1950s or 1960s ranch that’s been added onto in pieces, sometimes with permits, sometimes not. We scope the entire property: existing structure, additions, electrical, plumbing, roofing, and foundation, then build a sequence that keeps the house livable where possible. A full home remodel in Westminster runs $45,000 to $130,000 depending on how much of the original structure has to be brought to current code.
Permit Discovery and Legalization
Westminster’s mid-century ranch homes along streets like Bolsa Ave often have unpermitted additions from decades of multi-generational living. Our first step on any full remodel is pulling the original building records at the Westminster city building department. If a previous owner converted a garage or added a sunroom without permits, we legalize it before we improve it. That changes the scope, and we’d rather tell you that on day one than surprise you with a change order at week six.
Whole-Home Sequencing
We run interior and exterior work under one schedule, which eliminates the coordination gap where projects stall. The same crew managing your paver driveway and James Hardie siding also handles the kitchen gut and bathroom rebuild. For Westminster ranchers, that means the roof replacement can proceed while the kitchen cabinets are being ordered from KraftMaid, not after.
Home Remodeling Contractor in Westminster
When you hire a Westminster home remodeling contractor, you’re hiring someone who has to understand a specific building era. The city’s housing stock is predominantly single-story tract ranches with stucco exteriors and attached garages. Many have been expanded with unpermitted family rooms or ADU-style additions over the decades. We’ve pulled enough permits here to know which inspectors work the Beach Boulevard corridor, what the seismic retrofit requirements are for older stucco structures, and which electrical upgrades the city will require when you touch the kitchen.
Exterior and Interior Under One Contract
A Westminster remodel often starts as a kitchen project and becomes a whole-envelope job once we find what the stucco was hiding. Dry rot behind sun-damaged siding, original single-pane windows that are shot, a roof that’s three years past its useful life. We handle all of it: GAF or CertainTeed roofing, ECO Window Systems or Mr-Glass windows, Belgard pavers, James Hardie siding. Premium brands, proper installation, one accountable team.
Multi-Generational Additions
Westminster is the heart of Southern California’s Little Saigon, and a significant share of our work here is expanding a 1960s ranch to accommodate extended family. That’s not a standard addition. It’s rethinking the entire footprint: how the kitchen flows into a shared family space, where a second primary suite goes, how the electrical service handles the added load. We’ve built these additions and we’ve also corrected the ones previous owners built wrong.
Trusted Brands We Service in Westminster
We stock and install premium window and door lines for Westminster homes, including CWS, ES Windows, and Mr-Glass. These are not big-box-store products. They’re contractor-grade systems chosen because they hold up to Orange County sun and Santa Ana wind-driven dust that eats cheaper frames. When a Westminster customer orders a specific window line, we can usually get it faster than a generalist contractor because we order directly through our vendor channels rather than retail distribution. You choose from proven brand tiers, and we tell you honestly which one fits your home and budget.
Common Home Remodeling Problems We See in Westminster Homes
- Unpermitted garage conversions. A 1950s ranch off Bolsa Avenue came to us with an attached garage that a previous owner had converted to a family room with no permits. We pulled original drawings, worked with the city to legalize the space, and corrected the load-bearing beam and rough-in electrical to meet current code before finishing with KraftMaid cabinets and a Cambria countertop.
- Sun-damaged stucco hiding dry rot. Westminster’s semi-arid climate bakes stucco exteriors for decades, and when winter rains do come, water finds every crack. We frequently open a wall for a kitchen remodel and find the framing behind the stucco needs replacement before we can hang cabinets.
- Outdated electrical panels on original ranches. Homes built before 1975 often still have 60-amp or 100-amp panels that won’t pass inspection once you touch the kitchen or bathroom. We plan for the panel upgrade in the initial quote, not as a surprise after demo.
- Setback complications on large lots. Westminster has a mix of city parcels and unincorporated county parcels, and the setback rules differ between them. Adding a detached ADU or outbuilding on a large lot means a setback review before we ever stake the foundation.
See the difference
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After
Before
After
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AfterPricing for Home Remodeling in Westminster, CA
Westminster pricing reflects two realities: mid-century homes need more structural and code work than newer builds, and unpermitted additions complicate every scope. Here’s where typical projects land:
| Project | Typical Range in Westminster |
|---|---|
| Full Home Remodel | $45,000 – $130,000 |
| ADU Construction | $90,000 – $220,000 |
| Garage Conversion | $30,000 – $80,000 |
The biggest cost drivers in Westminster are permit legalization for unpermitted additions, electrical service upgrades, seismic retrofit requirements on older stucco structures, and material haul logistics on larger county parcels. We quote these line items before work starts. Call (877) 752-4194 for a free estimate, and we’ll walk your property and give you written numbers, not guesses.
We Also Serve Cities Near Westminster
Our crews regularly work in Midway City, Garden Grove, Stanton, and Huntington Beach. Each of those cities has its own permitting quirks, and we carry that knowledge onto every job. If you’re on the Westminster border and wondering which jurisdiction your parcel falls under, call (877) 752-4194 and we’ll help you figure it out.
Serving Westminster, CA — Our Local Coverage Area
We’re based in the Westminster 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 Westminster
Most Westminster homes fall under city jurisdiction and require Westminster city permits for structural, electrical, plumbing, and mechanical work. Some parcels, especially larger lots on the edges of the city, sit in unincorporated Orange County and follow county permitting rules instead. We check your parcel’s jurisdiction before we quote anything, because the permit path changes the cost and the timeline.
We pull original building records first, identify what was added without permits, and work with the Westminster building department to legalize it. This can mean exposing framing, bringing electrical up to code, and sometimes correcting structural work a previous owner got wrong. We include legalization costs in our initial quote whenever records indicate there’s been an unpermitted addition. If we find something mid-project that records didn’t show, we stop and show you exactly what we found before any change order is issued. Call (877) 752-4194 and we’ll check your property’s permit history.
Setback requirements in Westminster depend on your zoning and whether you’re in city or county jurisdiction. Standard side and rear setbacks apply, but fire access and utility easements can shift them on larger parcels. We measure the lot, confirm the setbacks with the building department, and design the ADU footprint around what’s actually buildable, not what looks right on paper.
Yes. We handle detached structures including shops, garages, and outbuildings, and we work with prefab manufacturers like Abodu, Dvele, and Boxabl when a factory-built structure fits the budget and timeline better than stick framing. The key constraints are setbacks, septic or well clearances on county parcels, and electrical service capacity. We verify all three before we quote.
Material delivery on large Westminster county parcels adds time and sometimes cost, especially when equipment access is tight or the driveway can’t support a full materials truck. We factor haul distance, unloading logistics, and any equipment access issues into our original quote. It’s cheaper to plan for a second delivery than to discover mid-project that a crane or smaller truck is needed. Call (877) 752-4194 for a free estimate and we’ll walk your lot before we quote.
Get a Free Remodel Estimate in Westminster
If you’re planning a remodel on a Westminster ranch home, start with a call. We’ll pull your permit history, walk the property, and tell you honestly what the scope is and what it costs. Whether you’re legalizing an old garage conversion, adding a multigenerational suite, or finally doing the full-home gut you’ve been putting off, we’ll give you written numbers and a realistic timeline. Call (877) 752-4194 to schedule your free estimate.
Written by Ken Stafford, Owner at Milpitas Construction, serving Westminster since the company’s founding.