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
Remodeling Company in Los Serranos, CA
Home renovation in Los Serranos means working with hillside lots, 1970s-to-1990s tract homes, and unincorporated-area permitting that flat-lot communities never encounter. Milpitas Construction has served Los Serranos since 2018, handling everything from kitchen remodels to full exterior upgrades under one contract. Whether you’re planning a hillside addition off Butterfield Ranch Road or a whole-home renovation near the Chino Hills State Park edge, we spec materials by name and manage every phase. Call (877) 752-4194 for a free estimate.
Why Los Serranos Homes Are Different
Los Serranos sits at the base of the Chino Hills in the 91709 ZIP code, and that geography changes nearly every project we bid. Most of the housing stock was built between the 1970s and 1990s, a mix of suburban tract homes on graded pads and larger custom homes tucked onto foothill slopes. The tract-era retaining walls and slope drainage systems we find on hillside streets were designed for their original footprint, not for today’s ADU loads or second-story additions. When we open up a 1980s kitchen near Los Serranos Country Club, we’re usually looking at original framing that predates current shear-wall and fire-hardening codes.
Then there’s the climate. Hot, dry summers and Santa Ana wind events push fire-rated roofing, siding, and defensible-space planning from “nice to have” to required. Winter rains reveal slope erosion and drainage failures that were invisible in August. And because Los Serranos is unincorporated, permits run through county channels rather than a single city building department, which means the contractor’s paperwork game matters as much as the carpentry. Dry-season soil movement on expansive hillside clay also shifts foundations and cracks patios in ways flat-lot builders in neighboring Chino never deal with.
Styles & brands we work with
Our Main Los Serranos Services
Most Los Serranos homeowners first call us for one of two reasons: they need a full-scope general contractor to manage a hillside addition or major renovation, or they’re ready to remodel the interior of a 1970s-to-1990s home and want single-contract accountability across every trade.
General Contractor in Los Serranos
On a hillside lot, a general contractor is not a convenience. It’s the difference between a project that clears county permitting and one that stalls at the grading review. We manage slope stability, retaining-wall engineering, drainage, and fire-rated exterior assemblies as one coordinated scope. From the roofline to the kitchen counter, one contractor, one conversation. Milpitas Construction handles the full exterior-to-interior scope, including roofing, windows, doors, siding, fencing, hardscaping, and interior remodeling under one point of contact. Learn more about what that looks like on our General Contractor in Los Serranos page.
Home Remodeling in Los Serranos
Remodeling a Los Serranos home usually starts with a question about whether the existing floor plan can handle the change without triggering slope or drainage surprises. Our team remodels kitchens, bathrooms, and living spaces while accounting for the cut-and-fill graded terrain under the slab and the unincorporated-area permit path. We guide material selection from proven brand tiers like Cambria, KraftMaid, Kohler, and James Hardie, so you know exactly what’s going into your home. See the full scope on our Home Remodeling in Los Serranos page.
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.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Home Renovation in Los Serranos
Home renovation in Los Serranos is a bigger lift than in most of the Inland Empire. The 1970s-1990s tract homes were built to an earlier code, which means a full renovation often includes seismic upgrades, panel replacement, and fire-resistant exterior assemblies that Santa Ana wind exposure makes a real line item, not boilerplate. On hillside lots, we also have to verify that retaining walls and slope drainage can handle new loads before we touch the interior. As a Home Renovation contractor working throughout the 91709 corridor, Milpitas Construction plans every phase around those conditions.
Home Renovation Contractors
Signs you need it
You’re managing three separate trades yourself, bids don’t match in scope, or the project has stalled at the permit counter because no single contractor owns the full plan.
What it costs in Los Serranos
A full home renovation in Los Serranos typically runs $14,000 to $45,000 for the interior scope, though hillside engineering and fire-rated exterior work can push that higher.
How we do it
We start with a structural and drainage review, then lock the scope, pull county permits, and sequence every trade under one schedule.
Renovation Contractors
Signs you need it
The original 1980s systems are failing in sequence, water stains show up after winter rains, or you’ve found cracks that suggest hillside-slab movement rather than normal settling.
What it costs in Los Serranos
Renovation contractor work in Los Serranos spans $9,000 to $45,000 depending on whether you’re tackling a single room or a whole home.
How we do it
We demo to the framing, correct what’s out of code, rebuild with contractor-grade materials by name, and close out with county sign-offs.
Home Improvement Contractors
Signs you need it
You want an addition, deck rebuild, or retaining-wall replacement, but the lot slopes and the original drainage was sized for the old footprint.
What it costs in Los Serranos
Home improvement scopes in Los Serranos run from about $14,000 for a targeted renovation to $45,000 for a broader upgrade.
How we do it
We bring in grading and drainage expertise on day one, file county paperwork properly the first time, and keep one point of contact for the whole job.
Home Renovation Companies
Signs you need it
You’ve gotten three bids from three outfits with three different scopes, and none of them mention the retaining wall behind the house.
What it costs in Los Serranos
Working with a full-scope home renovation company in Los Serranos typically costs $14,000 to $45,000 for the renovation itself, before any hillside remediation.
How we do it
We write one contract that covers every trade, spec materials by brand name, and schedule work so no phase idles waiting on another vendor.
What Home Renovation Costs in Los Serranos
| Item | Typical range in Los Serranos |
|---|---|
| Kitchen remodel | $14,000 – $45,000 |
| Bathroom remodel | $9,000 – $28,000 |
| Whole-home renovation | $14,000 – $45,000 |
How long does a home renovation take in Los Serranos?
A kitchen or bath renovation typically runs 6 to 10 weeks. A whole-home renovation, especially one that touches hillside drainage or fire-rated exteriors, can run 4 to 8 months depending on county permit timing. Call (877) 752-4194 for a schedule based on your actual scope.
Do I need county permits for a home renovation in Los Serranos?
Yes. Los Serranos is unincorporated, so most renovations go through county building channels rather than a city desk. Structural, electrical, plumbing, and hillside-drainage work all require permits, and we handle that paperwork end to end. Call (877) 752-4194 for a free estimate.
Brands We Service in Los Serranos
We install and service premium window and door lines including ES Windows, ECO Window Systems, and Mr-Glass, with parts sourced through our our brands network. Because we stock common components locally, turnaround on warranty or repair parts in Los Serranos is typically faster than big-box special-order channels.
See the difference
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AfterPricing for Remodeling Company in Los Serranos, CA
| Service | Typical range in Los Serranos |
|---|---|
| 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 |
| Roof replacement | $8,000 – $20,000 |
| Window replacement | $4,500 – $15,000 |
| Paver patio installation | $3,500 – $11,000 |
| Vinyl fence installation | $3,500 – $9,000 |
| Home addition | $45,000 – $130,000 |
| ADU construction | $90,000 – $220,000 |
What pushes prices up in Los Serranos is almost always site work: hillside grading, retaining-wall replacement, drainage design, and fire-rated exterior assemblies. We quote a written, fixed price before work starts, so the number doesn’t move once we begin.
Neighborhoods We Serve in Los Serranos
We cover the entire 91709 area, from the foothill streets near Chino Hills State Park down to the flatter parcels closer to the 71. Response time for estimates in the Los Serranos area is generally one to two business days, and we schedule work around the county inspection calendar, not the other way around.
- Los Serranos Country Club area
- Butterfield Ranch Road corridor
- Chino Hills State Park edge
- Glenmeadow and surrounding tract streets
- Oak Ridge and hillside custom lots
Service Area – Cities Near Los Serranos
Milpitas Construction also serves homeowners in neighboring communities. If your project is in Chino, CA, Yorba Linda, CA, Montclair, CA, or Pomona, CA, the same full-scope general contractor model applies: one contract, one point of contact, materials spec’d by name.
Serving Los Serranos, CA — Our Local Coverage Area
We’re based in the Los Serranos 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 Remodeling Company in Los Serranos
For most renovation scopes we can begin within 2 to 4 weeks of contract signing, though county permit review for hillside or structural work can add several weeks. We sequence paperwork early so the job isn’t waiting on approvals. Call (877) 752-4194 to get a realistic start date for your scope.
Some neighborhoods near the country club and gated foothill communities have architectural review requirements for exterior changes like roofing, fencing, or additions. We prepare the submittal package in the format your HOA needs, and we coordinate HOA approval with county permits so they don’t conflict. Call (877) 752-4194 if you’re unsure whether your street has review requirements.
Yes. Because Los Serranos is unincorporated, we file through county building channels rather than a city building department. We pull the permits, schedule the inspections, and stay on site through final sign-off. That’s part of single-contract accountability, and it keeps your project from stalling at the counter. Call (877) 752-4194 for a free estimate.
What happens when you call
- 1A real person answersNo phone trees — talk to a local construction pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you — the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Los Serranos Customers Say
"Every inspection passed first time. The building department clearly knows him and that made the whole process easier."
— Adam Novak"Good crew. Would use again."
— Ernesto Mendoza"Allowances in the contract were realistic rather than artificially low to make the bid look good."
— Travis Mercer