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Ameristar Construction in Muscoy, CA | Pinecrest Contractors
We provide independent Ameristar roofing repair, replacement, and storm-damage service across Muscoy. What makes our Ameristar work different here is simple: we know how these shingle and vent systems actually fail under Muscoy’s inland heat, Santa Ana winds, and county-level permitting rules. Most of the homes we see in Muscoy are older, owner-improved, and carrying some unpermitted work, which changes how we scope and build every roof job. Call (855) 702-1622 for a straight answer on your roof.

Why Muscoy Residents Choose Us for Ameristar Service
Gil Rourke, our owner, learned early that the right material in the right place is where the job starts. That principle carries straight into Ameristar work. We have installed and corrected enough Ameristar Builder Series roofs in San Bernardino County’s unincorporated communities to tell you exactly how those shingles perform after five or ten years of Muscoy sun, and we bring that same expertise to Ameristar service in San Bernardino. We are not new to this product line, and we are not guessing.
We are an independent contractor. Not authorized, sponsored, or warranty-endorsed by Ameristar. That independence works in your favor, because we call problems the way we see them. If your Ameristar roof has granule loss concentrated on one slope, we will say so. If a ridge vent was sealed instead of flashed and water is getting in behind the stucco, we will show you before we touch it. Our parts approach matches field shingles with OEM or equivalent-spec flashing, ridge, and vent components so the roof performs as one system. For Muscoy homeowners with ranch-style or manufactured homes on large lots, that means a repair that actually stays fixed through the next wind event. Ameristar sales & service is what we do because the product is common out here, and the failure patterns are predictable when you know the local conditions.
Styles & brands we work with







Common Ameristar Construction Problems We Solve in Muscoy
These are the Ameristar issues we see repeatedly in Muscoy, and each one ties back to something specific about this area:
- Granule loss and UV chalking on Ameristar Builder Series shingles. Muscoy sits at the base of the San Bernardino Mountains with intense, unshaded summer heat. Large lots mean fewer mature trees. Shingles lose granules faster here than in coastal areas. When granule loss spreads past a few squares, the shingles are done, not damaged.
- Wind-lifted or creased shingle tabs at ridges and gable edges. Santa Ana winds hit Muscoy hard, and many older roofs were fastened light by the original installer. We find creased tabs and lifted ridge shingles after nearly every wind event. Localized repair works if the field is still sound; full replacement is the better money when creasing is widespread.
- Leaks at penetration boots and ridge vents. Dust and debris from Cajon Wash wind events settle on older Ameristar accessories. Where seals have hardened and cracked, water follows. We re-flash rather than re-seal because caulk is a temporary answer in this climate.
- Premature failure on low-slope patio and garage roofs. Ameristar roll roofing laid over unpermitted, poorly ventilated additions fails early. The roof cooks from both sides, the membrane degrades, and the homeowner is left with a leaking garage that was never in the county’s permit file to begin with.
- Tie-in failures where additions meet the main roof. Muscoy has a lot of owner-built garages and converted outbuildings. Where an old patio cover or room addition ties into the Ameristar field, the sealant fails and water migrates under the shingles. We fix the tie-in correctly and document it for the county.
Ameristar Service in Muscoy: What Local Conditions Mean for Your Equipment
Because Muscoy is unincorporated, a roof replacement on one of its many owner-improved or manufactured homes is permitted through San Bernardino County Building & Safety, not a city hall. That single fact changes how we work here. County reviewers often flag unpermitted patio covers or additions whose roofs tie into the Ameristar field we are replacing. We scope those tie-ins before we ever pull shingles, then document what we find for the permit file. A homeowner off Duffy Street or along the Cajon Wash side of Muscoy might have a perfectly solid Ameristar roof on the main structure, but a garage addition from the 1980s that was never permitted and leaks every winter. We bring that into compliance as part of the job. That is not something a generic roofing crew from Rialto or San Bernardino will catch before the county inspector does. Muscoy service area work is different from city work, and we approach every job that way.
We saw it firsthand on a manufactured home near the Cajon Wash side of Muscoy. We tore off an Ameristar Builder Series roof that had lost most of its granules and creased along the ridge after a Santa Ana wind event, similar to Ameristar repair in Rialto we handle. Our crew found the tie-in to an unpermitted patio cover was sealed rather than flashed, so we re-decked that section, installed equivalent-spec ridge and low-profile vents, and documented the tie-in for the county permit file before closing it up. The homeowner could not have sold that house without the fix, and they had no idea the problem existed until the wind opened the ridge.
Ameristar Models & Products We Service in Muscoy
We work on the full Ameristar roofing lineup: Builder Series asphalt shingles, ridge and hip accessories, low-profile and ridge-mount attic vents, and roll roofing and underlayment products. The OEM-versus-aftermarket question matters. We use equivalent-spec components rather than whatever is cheapest at the supply counter, because ridge vents and flashing that do not match the field shingles will fail ahead of schedule. We keep common Ameristar-compatible flashing, ridge cap, and vent components available for quick Muscoy turnaround and Ameristar repair in Highland, so a repair does not stall while parts ship from out of state.
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AfterAmeristar Service Pricing in Muscoy
What you pay depends on how much of the roof is involved and what we find once we open it up. Here are the ranges we quote for Muscoy jobs, keeping in mind that county permitting and unpermitted tie-ins can add scope:
| Service | Typical Range |
|---|---|
| Roof Repair | $400 – $1800 |
| Roof Replacement & Installation | $8000 – $20000 |
| Metal Roof Installation | $15000 – $40000 |
| Tile Roof Repair | $600 – $2500 |
| Emergency & Storm Damage | $400 – $1800 |
A free estimate from us includes walking the roof, checking the tie-ins, and telling you straight whether repair or replacement makes sense. We do not charge for the conversation. Call (855) 702-1622 and we will come out. We can scope storm damage fast, because in Muscoy the next Santa Ana is never far off.
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 – Ameristar Construction in Muscoy
Yes. Muscoy is unincorporated, so San Bernardino County Building & Safety handles permits, not a city hall. Any roof replacement requires a county permit, and if the county finds unpermitted additions tied into the roof, those must be addressed as part of the job. We handle the permit coordination. Call (855) 702-1622 for an exact scope and quote.
Accelerated granule loss is common in Muscoy because of the intense, unshaded summer heat and periodic dust storms off the Cajon Wash. Some granule loss is expected, but if it has spread across several squares or you can see bare asphalt, the shingles are degrading faster than they should. We can tell you if it is a warranty question or an installation problem. Call us for a roof evaluation.
Often, yes. If the wind creased a few shingle tabs or lifted ridge shingles and the field is still sound, we repair the localized damage with matching components. If the creasing is widespread or fasteners are failing across the deck, replacement is the better money. We will show you what we see either way.
Only if the tie-in and structure are addressed. Many Muscoy additions were built without permits and sealed rather than flashed at the roof intersection. A new field of shingles will not stop water at a failed tie-in. We correct the tie-in, bring the addition into county compliance, then roof over it. Call (855) 702-1622 for an honest look at what your garage actually needs.
For most homes, an architectural shingle like Ameristar Builder Series with proper ridge and hip fastening holds up well if installed correctly. Metal roofing performs even better under intense UV and Santa Ana wind but costs more. We walk homeowners through the trade-offs based on their roof, their lot, and their budget, without pushing one product.
Service Areas Near Muscoy
We serve Muscoy and the surrounding Inland Empire communities. That includes Ameristar service in Ontario, where we handle similar unincorporated-adjacent permitting quirks, and Ameristar service in Palm Springs, where heat and wind demand the same careful installation. We work from the mountain base down through San Bernardino, Rialto, and Fontana regularly.
Book Your Ameristar Service in Muscoy Today
If your Ameristar roof is losing granules, creased from wind, or leaking at the tie-ins, call us. We will walk it, tell you what it needs, and give you a straight number. Phone: (855) 702-1622. Storm damage gets scoped quickly, because we know what a Santa Ana wind does to a Muscoy roof.
Written by Gil Rourke, Owner at Pinecrest Contractors, serving Muscoy, Ameristar in Loma Linda, and the surrounding Inland Empire.