Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Remodeling Company in Muscoy, CA
Home remodeling in Muscoy runs $9,000 – $130,000 depending on scope, with most whole-home projects falling between $45,000 and $130,000. We’re Penhallow Remodeling, and we handle kitchen and bathroom renovations, room additions, and full whole-house remodels for homeowners across this unincorporated San Bernardino County community. Because Muscoy sits on Santa Ana River alluvial deposits within a high-seismic zone near the San Andreas Fault, nearly every ground-disturbing project needs soils engineering and county-level permitting that city-based contractors often miss. Call (936) 259-2607 to schedule your free estimate.
Why Muscoy Homes Are Different
The bulk of Muscoy’s residential stock consists of modest, aging single-family homes built between the 1940s and 1970s, many with slab-on-grade foundations over sandy alluvial soils and original wood-frame construction that predates current seismic bracing requirements. Decades of unpermitted additions and deferred maintenance are common, meaning renovation projects routinely uncover work that must be brought up to current San Bernardino County code before new permits can close.
Muscoy experiences the full Inland Empire temperature swing – summers regularly exceed 105°F – which causes accelerating thermal expansion and cracking in concrete flatwork, stucco, and older wood framing. Fall Santa Ana wind events create both fire-exposure construction considerations and rapid moisture-cycling that stresses exterior envelopes on the community’s older, less-insulated homes. Because Muscoy lacks its own municipal government, all construction permits and inspections run through San Bernardino County Land Use Services, not a city building department. County inspectors maintain different scheduling cadences, a separate fee schedule, and jurisdiction over floodplain rules tied to the adjacent Santa Ana River bottom – details that can stall a project by weeks if not anticipated at bid time.
Our Main Muscoy Services
Most Muscoy homeowners who call us start with one of these three projects:
General Contractor in Muscoy
As your general contractor in Muscoy, we coordinate every trade, permit, and inspection through San Bernardino County Land Use Services on your behalf. We handle the soils reports, seismic bracing upgrades, and code corrections that aging Muscoy homes often need before new work can begin. Our crews understand the county’s inspection scheduling and floodplain requirements specific to properties near the Santa Ana River bottom. General Contractor in Muscoy for full project management from demo to final walkthrough.

Bathroom Remodeling in Muscoy
Bathroom remodeling in Muscoy means working with original galvanized plumbing, unvented spaces, and layouts that predate modern accessibility standards. We replace failing subfloors damaged by decades of moisture intrusion, upgrade electrical to GFCI-protected circuits, and install moisture-resistant cement board substrate behind every tile surface. Our bathroom projects in Muscoy typically run $5,000 – $28,000 depending on scope. Bathroom Remodeling in Muscoy for a written price before any work starts.

Kitchen Remodeling in Muscoy
Kitchen remodeling in Muscoy often reveals outdated wiring, insufficient circuits for modern appliances, and cabinets anchored to walls without proper backing. We reconfigure layouts for how families actually cook today, install proper ventilation to handle summer heat loads, and specify materials that withstand the temperature swings this inland valley delivers. Kitchen projects here typically range $9,000 – $45,000. Kitchen Remodeling in Muscoy with the 365-Day Done Right Promise in writing.

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 Remodeling in Muscoy
Home remodeling in Muscoy means working with housing stock that spans from post-war tract homes to 1970s ranch-style builds, nearly all sitting on slab-on-grade foundations over alluvial soils that shift with seasonal moisture changes. The combination of aging original construction, high seismic hazard, and extreme temperature cycling creates a unique set of challenges that surface once walls open up. Home Remodeling through Penhallow Remodeling includes a written price before any work starts, a defined arrival window, and our 365-Day Done Right Promise backed in writing on every project.
Whole House Remodel
Signs you need it
Your home has multiple failing systems simultaneously – outdated electrical, galvanized plumbing, failing stucco, and a floor plan that doesn’t function for your family – making piecemeal repairs more expensive than a coordinated overhaul.
What it costs in Muscoy
Whole house remodels in Muscoy typically run $45,000 – $130,000, with most projects landing in the $60,000 – $90,000 range depending on whether foundation or seismic work is required.
How we do it
We start with a structural assessment and soils report, pull permits through San Bernardino County Land Use Services, phase the work so you can remain in residence when possible, and coordinate every trade through a single point of contact.
Home Renovation
Signs you need it
Specific rooms or systems are outdated or failing – perhaps the kitchen layout is unusable, the bathroom has moisture damage, or the addition was never properly permitted – but the overall structure is sound.
What it costs in Muscoy
Home renovation projects in Muscoy typically range $9,000 – $45,000 for kitchen-focused work, $5,000 – $28,000 for bathrooms, and $30,000 – $80,000 for garage conversions that add living space.
How we do it
We identify any unpermitted existing work that must be brought to code, specify materials rated for Inland Empire temperature extremes, and schedule county inspections around your family’s needs.
What Home Remodeling Costs in Muscoy
| Item | Typical range in Muscoy |
|---|---|
| Home Addition | $45,000 – $130,000 |
| ADU Construction | $90,000 – $220,000 |
| Garage Conversion | $30,000 – $80,000 |
How long does a whole house remodel take in Muscoy?
Most whole house remodels in Muscoy take 4 – 8 months from permit approval to final inspection, with San Bernardino County’s review timeline adding 6 – 10 weeks upfront compared to incorporated cities. Call (936) 259-2607 for a written timeline with your free estimate.
Will you handle the county permits for my Muscoy remodel?
Yes, we manage every permit application, revision, and inspection scheduling through San Bernardino County Land Use Services as part of our standard project management. Call (936) 259-2607 to discuss your specific property and schedule.
Brands We Service in Muscoy
We specify materials from recognized trade brands that stand behind their products with their own warranties – KraftMaid and Wellborn cabinetry, Cambria, Silestone and Caesarstone countertops, Kohler and Moen fixtures, James Hardie siding – so the products behind our guarantee are as solid as the promise itself. For ADU and modular additions, we also work with Abodu, Cover, and Dvele systems where appropriate. our brands
Pricing for Remodeling Company in Muscoy, CA
| Service | Typical range in Muscoy |
|---|---|
| Kitchen Remodel | $14,000 – $45,000 |
| Small Kitchen Remodel | $9,000 – $20,000 |
| Bathroom Remodel | $9,000 – $28,000 |
| Small Bathroom Remodel | $5,000 – $12,000 |
| Walk-In Shower Installation | $4,500 – $12,000 |
| Tub-to-Shower Conversion | $3,500 – $10,000 |
| Home Addition | $45,000 – $130,000 |
| ADU Construction | $90,000 – $220,000 |
| Garage Conversion | $30,000 – $80,000 |
| Roof Replacement | $8,000 – $20,000 |
| Window Replacement | $4,500 – $15,000 |
| Impact Window Installation | $8,000 – $25,000 |
Prices in Muscoy run higher than the national average when seismic retrofitting, soils reports, or floodplain compliance are required – factors we identify during your free estimate so the written price we give you accounts for real conditions, not guesswork. Every homeowner receives a written price before any work starts; the number on day one is the number on the invoice.
Neighborhoods We Serve in Muscoy
We serve homeowners throughout Muscoy’s unincorporated residential areas, from the older neighborhoods near the Santa Ana River bottom to the hillside tracts with views toward the San Gabriel Mountains. Our Inland Empire office coordinates dispatch and scheduling for Muscoy, with crews typically arriving within the window we commit to.
- River Bottom area
- North Muscoy hillside tracts
- Central Muscoy post-war neighborhoods
- South Muscoy ranch-style developments
- County pocket neighborhoods near Devore
Service Area – Cities Near Muscoy
Penhallow Remodeling serves homeowners across the Inland Empire and beyond, with our office coordinating projects from Los Angeles, CA through San Diego, CA, north to San Jose, CA, and throughout the Bay Area including San Francisco, CA. Each location is independently owned and operated as part of the Kingswell family of companies.
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
All construction permits in Muscoy run through San Bernardino County Land Use Services, not a city building department, because Muscoy is unincorporated. We handle every application, revision, and inspection scheduling through the county as part of our standard service.
Fall Santa Ana events can create fire-exposure restrictions and dust-control requirements that pause exterior work for 2 – 5 days at a time. We build these potential delays into our project timelines upfront so your completion date doesn’t slip unexpectedly.
We document the issue, explain exactly what San Bernardino County requires to bring it to code, and provide a written change order with a fixed price before proceeding – no surprises, no open-ended budgets. Our upfront pricing commitment means you approve every dollar before it’s spent.
Call (936) 259-2607 to schedule your free estimate. A live person answers 24/7.
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
"Redid two bathrooms at once. The crew protected the floors and cleaned up every single day before leaving. Quote was detailed and there were no mystery charges at the end."
- Tricia Dawson"Full home refresh before we sold. They were straight about what was worth doing and what wasn't to get our money back. On time, on budget, and it sold in a week."
- Monica Vaughn"Did our whole kitchen. The written estimate held, which after reading remodel nightmares online I did not take for granted. Showed up every morning on time and the crew was clean and polite."
- Warren Updike







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