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 Muscoy, CA
Polaris Contractors is a full-scope remodeling company serving Muscoy, CA, from the roof down to the pavers. We handle kitchens, bathrooms, additions, roofing, windows, doors, fencing, and even ADU construction under one contract, so you’re not assembling a patchwork of specialty subs. Most Muscoy homes were built decades ago on unpaved lots with septic systems, which means a renovation here is rarely just a cosmetic refresh. It’s structural, it’s site-specific, and it requires a contractor who understands San Bernardino County’s building rules. Call us at (855) 473-6535 for a free estimate.
Why Muscoy Homes Are Different
Muscoy is an unincorporated San Bernardino County island surrounded by the City of San Bernardino. That distinction matters more than most homeowners realize. Construction work here is governed by county building and safety, not city permitting. Plan-check routing goes through the county, inspections are scheduled through the county, and what counts as an ADU or a legal second unit is decided by county rules. A contractor who only knows city jobs will hit compliance surprises that slow the whole project down.
The housing stock adds another layer. Much of Muscoy is older, modest single-family homes on large, often unpaved lots, many built as informal or self-built rural residences, plus scattered mobile and manufactured homes. When we start a remodel in Muscoy, we frequently find non-permitted prior work, undersized electrical service, and structures that need to be legalized before we can build on top of them. The land itself is a factor too: much of Muscoy remains on septic systems and private wells, so a room addition or garage build often hinges on septic capacity and well setbacks, not just square footage. County inspectors expect to see those site approvals before framing starts.
And then there’s the climate. Muscoy sits in the hot, dry inland valley east of the Cajon Pass. Summers are intense, and Santa Ana winds drive wildfire risk right up to the housing edge. That means high-heat roofing and exterior finish performance are not optional, wind uplift on lighter structures has to be engineered for, and additions and rebuilds need fire-resistant detailing and defensible-space planning. These are the realities we build around.
Styles & brands we work with







Our Main Muscoy Services
Homeowners in Muscoy call us most often for two things: a general contractor to untangle a complicated project, and a full home remodel that brings an aging house up to today’s standards.
General Contractor in Muscoy
As a general contractor serving Muscoy, we manage the entire build, from county permits and inspections to materials and trade coordination. When a Muscoy property has non-permitted additions or electrical issues, that’s our territory. We handle structural work, roofing, windows, kitchens, baths, hardscaping, and ADUs under one agreement, so one team owns the outcome. For the full picture, see our General Contractor in Muscoy page.

Home Remodeling in Muscoy
Home remodeling in Muscoy usually means working with what’s already there: older framing, septic constraints, and county rules that shape what you can add. We guide homeowners through those realities while upgrading kitchens, bathrooms, and living spaces with materials built for the heat and wind here. From planning to final inspection, it’s one team and one contract. Details are on our Home Remodeling in Muscoy 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 Muscoy
Home renovation in Muscoy is rarely a simple cosmetic job. Older self-built homes, county permitting, septic sites, and hot, wind-driven summers all shape what a renovation can and should include. When you work with Home Renovation specialists like Polaris Contractors, you get a team that has handled these conditions before and knows where the surprises hide. We approach each Muscoy project as a full-scope renovation, not a patch job.
Home Renovation Contractors
Signs you need it
If your Muscoy home has aging systems, damaged roofing, outdated kitchens or baths, or non-permitted additions that complicate a sale or refinance, it’s time to bring in renovation contractors who understand county requirements.
What it costs in Muscoy
A full home renovation in Muscoy typically runs between $14,000 and $45,000 depending on scope, but a whole-home renovation with kitchen and bath work can reach higher as the project grows.
How we do it
We start with a site assessment that covers structure, electrical service, septic capacity, and county compliance, then we plan the renovation in phases so you can keep living there where possible.
Home Improvement Contractors
Signs you need it
When your Muscoy home needs coordinated upgrades across multiple trades, a home improvement contractor keeps the schedule, budget, and permits moving in one direction instead of several.
What it costs in Muscoy
Home improvement work in Muscoy can range from $5,000 for a focused single-room update to $45,000 or more for a broader scope that touches plumbing, electrical, and finishes.
How we do it
We handle the sequencing: demolition first, then rough-in for electrical and plumbing, then insulation and drywall, then finishes matched to the brands and materials you picked.
What Home Renovation Costs in Muscoy
| Item | Typical range in Muscoy |
|---|---|
| Kitchen remodel | $14,000 – $45,000 |
| Bathroom remodel | $9,000 – $28,000 |
| Roof replacement | $8,000 – $20,000 |
How long does a home renovation take in Muscoy?
Most Muscoy renovations run 6 to 14 weeks, but county plan review and septic or well approvals can add time before framing starts. We sequence the work to keep inspections moving and avoid downtime.
Will the price change once work starts?
We write fixed-scope line-item estimates, so the price only changes if you change the scope or we uncover a hidden condition like non-permitted prior work. Call (855) 473-6535 to walk through your project.
Brands We Service in Muscoy
We work with over 50 vetted brands across every project category, including GAF roofing systems, Schluter waterproofing for wet areas, and Grohe bath fixtures. Whatever we install in your Muscoy home, parts are sourced through our supplier network with predictable lead times, so we can schedule around material availability instead of hoping for the best. Explore our brands for the full roster.
See the difference
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AfterPricing for Remodeling Company in Muscoy, CA
| Service | Typical range in Muscoy |
|---|---|
| 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 |
| Roof replacement | $8,000 – $20,000 |
| Window replacement | $4,500 – $15,000 |
| Paver patio installation | $3,500 – $11,000 |
| Home addition | $45,000 – $130,000 |
| Garage conversion | $30,000 – $80,000 |
What pushes a Muscoy renovation price up is usually what’s hiding in the walls or under the house: non-permitted prior work, undersized electrical service, or septic and well constraints that force a redesign. We quote fixed, line-item prices so the number you agree to is the number you pay unless you ask us to expand the scope.
Neighborhoods We Serve in Muscoy
We work throughout the 92405 ZIP and the surrounding unincorporated pockets of Muscoy, from the older residential streets near State Street to the larger rural lots further out. Our team is already moving through the area most weeks, so scheduling a walkthrough is straightforward.
- Central Muscoy
- North Muscoy
- East Muscoy
- West Muscoy
- South Muscoy near the San Bernardino boundary
Service Area – Cities Near Muscoy
While we live and breathe Muscoy, we also handle projects in the surrounding inland valley communities. If you’re just over the line in San Bernardino, CA, Rialto, CA, or Highland, CA, we can help. We also serve Crestline, CA up in the mountains, where the building conditions change considerably. One team, full scope, wherever your project sits.
Serving Muscoy, CA — Our Local Coverage Area
We’re based in the Muscoy 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 Muscoy
We cover all of Muscoy within the 92405 ZIP and the unincorporated county land around it, including the larger lots and septic-and-well properties that many contractors avoid. If you’re not sure whether we cover your street, call (855) 473-6535 and we’ll confirm in a minute.
Yes. Since Muscoy is unincorporated, all permitting goes through San Bernardino County Building and Safety, and we manage that process end to end. That includes plan check, septic and well approvals where they apply, and scheduling county inspections through final sign-off.
Most Muscoy estimates are scheduled within a week, and once the contract is signed and materials are ordered, we build the schedule around your project’s specific permits and lead times. For a current answer on timing, call (855) 473-6535.
Ready to talk about your Muscoy renovation? Call Polaris Contractors at (855) 473-6535 for a free estimate. We’ll walk your property, listen to what you’re trying to do, and give you a straight answer on scope, cost, and what the county will expect before we touch a hammer.
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 Muscoy Customers Say
"Weekly site meeting, every week, with a written summary afterward. I always knew where the money and the schedule stood."
— Nisha Mehta"He caught an error in the engineer's drawings before it got framed, which would have been an expensive thing to discover later."
— Neil Brooks"Fair price, competent work. The guy wasn't especially chatty and I had to ask twice to get a real explanation of what he'd done. Not a dealbreaker, just noting it."
— Paul Pruitt