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Ameristar Construction in Ontario, CA | Moreno Valley Builders
We’re an independent construction company in Ontario that installs and services Ameristar windows, doors, and roofing systems. Most Ameristar work here comes down to one thing: the Santa Ana wind corridor beats up west- and north-facing exposures faster than anywhere else in the Inland Empire. If your Ameristar windows are fogging, binding, or leaking dust, call Moreno Valley Builders at (877) 752-3154. Noel Trevino leads the crew, and we’ve been working on Ontario homes long enough to know exactly which failure modes show up first.
Why Ontario Residents Choose Us for Ameristar Service
We’re not an Ameristar dealer and we don’t pretend to be. What we are is a General Contractor in Ontario that has pulled Ameristar 8500 single-hungs out of 1960s stucco ranch houses, rebuilt sliding door tracks on 8700 series doors, and replaced more west-facing seals than we can count. Noel grew up in Sunnymead Ranch and spent the better part of three decades building and renovating homes across the Inland Empire, so Ontario’s aging tract housing stock isn’t a surprise to us, it’s the job. We specify OEM Ameristar parts for balances, locks, and rollers because aftermarket hardware in the thermal cycling Ontario dishes out just doesn’t hold. One contractor. Every phase.
Styles & brands we work with







Common Ameristar Construction Problems We Solve in Ontario
- Wind-driven dust infiltration through weatherstripping and weep holes. The Santa Ana winds push fine grit into window tracks, packing weatherstripping until it loses compression. We see it most on homes in the 91762 and 91764 ZIP codes, where older tract layouts put bedrooms right in the wind path.
- UV chalking and vinyl frame brittleness on west-facing walls. Ontario summers with 100°F-plus stretches bake vinyl until it chalks and turns brittle. The 8500 Series single-hungs from the 1990s and early 2000s are particularly prone to this on the afternoon-sun side.
- Hardware failure from heat cycling and dust grit. Latches and rollers on 8700 Series sliding glass doors accumulate grit inside the track, then bind. Heat expansion makes it worse. We replace the roller assemblies and clean the track channel rather than forcing a door that’s already fighting you.
- Glass seal failure and fogging. Intense thermal stress from 100°F days followed by cool nights breaks the seal between panes. Fogged glass in an Ameristar unit usually means seal replacement, and on older units we’ll tell you honestly if a full window swap makes more sense.
- Roof underlayment degradation under wind-driven sun. The same Inland Valley wind that hits your windows also scours roofing materials. We inspect Ameristar roofing installations for lifted edges and UV-baked underlayment, especially on ranch homes with shallow roof pitches.
Ameristar Service in Ontario: What Local Conditions Mean for Your Equipment
Ontario sits in the Inland Valley wind corridor at the base of the San Gabriel Mountains, and the Santa Ana pattern off the Cajon and Cucamonga area means the west- and north-facing walls of this city’s 1950s and 1960s tract homes take the brunt of every blow. Ameristar window frames and seals on those exposures fail years earlier than on protected sides. We’ve pulled weatherstripping out of a north-facing 8500 Series window that was packed solid with grit, and the vinyl frame itself had started to chalk from UV exposure that never lets up. That’s a local failure mode you won’t see in neighboring Rancho Cucamonga or with Ameristar repair in Chino at the same rate because Ontario’s position closer to the wind corridor’s mouth is just harsher. On a 1962 ranch house in the 91762 ZIP code near Bon View Park, our crew replaced a set of west-facing Ameristar 8500 single-hungs where the frames had become brittle and the weatherstripping was packed with grit from years of Santa Anas. We upgraded to impact-rated Ameristar units and added extra flashing to keep dust out, and the homeowner noticed an immediate difference in noise and drafts. That job shaped how we schedule replacements in Ontario now: we plan for the wind side first, not the street side.
Ameristar Models & Products We Service in Ontario
We work on the Ameristar 8500 Series Single-Hung Windows, the 8700 Series Sliding Glass Doors, the 9500 Series Casement Windows, and the 4000 Series Patio Doors. Our Ameristar expertise comes from years of installing and servicing these lines across Ontario’s housing stock, not from a manufacturer training manual. Ameristar sales & service work means we stock OEM balances, locks, and rollers for fast turnaround on the models most common in Ontario, and we use quality aftermarket glass when it makes sense. For older Ameristar units with multiple failures, we give you a straight repair-versus-replacement assessment that accounts for how the local climate will keep hitting those same components.
See the difference
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After
Before
After
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AfterAmeristar Service Pricing in Ontario
Here’s where most Ontario homeowners start:
| Service | Ontario Price Range |
|---|---|
| Window Replacement | $4,500 – $15,000 |
| Impact Window Installation | $8,000 – $25,000 |
| Roof Replacement | $8,000 – $20,000 |
| Roof Repair | $400 – $1,800 |
What drives the cost: home size and window count, whether you’re replacing single units or entire elevations, whether impact-rated glass is required for wind-driven debris, and the condition of existing framing and flashing. A written line-item estimate is free. We pull permits when required and stand behind our workmanship. Call (877) 752-3154 for exact numbers on your Ontario home.
Serving Ontario, CA — Our Local Coverage Area
We’re based in the Ontario area and know this community well, including Ameristar in San Antonio Heights. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – Ameristar Construction in Ontario
They can be, if you choose the right series and plan for the wind side of the house. The 9500 Series casements hold up better against wind-driven dust than single-hungs because the compression seal is tighter, but any window on a west-facing Ontario wall needs proper flashing and regular weatherstripping checks. We recommend impact-rated units for homes in the 91762 and 91764 ZIP codes where Santa Anas hit hardest.
Every two to four years on windward elevations, less often on protected sides. Santa Ana grit accelerates compression loss, so if you’re near the 91762 corridor or any north-south street that channels wind, check annually. Call (877) 752-3154 and we’ll inspect weatherstripping as part of a free estimate.
Yes. Ontario’s post-WWII stucco ranch houses make up a large share of our Ameristar work, and we use careful cut-back, flashing, and re-stucco methods that keep the exterior clean. The key is not pulling the old window too fast, which is where some crews crack stucco around the opening. We’ve been doing this long enough that stucco damage isn’t something we pass on to the homeowner.
Under Ontario’s UV and heat, underlayment under Ameristar roofing can start degrading in 12 to 18 years, sometimes sooner on shallow-pitch roofs that bake all afternoon. We inspect for lifted edges and dried-out felt or synthetic underlayment during roof repairs, and we’ll tell you if a tear-off is smarter than patching. Call (877) 752-3154 for an honest roof assessment.
Yes, we pull City of Ontario permits when the scope requires it, and we manage the inspection process from start to finish. From permits to punch list, it’s all on us. We’re a licensed general contractor offering Ameristar service in Montclair, not a subcontractor stitching together permits from a third party.
Service Areas Near Ontario
Beyond Ontario, we take Ameristar work in Moreno Valley, March Air Force Base, Loma Linda, Highgrove, Mead Valley, and Grand Terrace. We also run crews in Ameristar service in Upland to the north and Ameristar service in Murrieta Hot Springs to the south. Ontario service area coverage is our home turf, but the Inland Empire keeps us moving.
Book Your Ameristar Service in Ontario Today
If your Ameristar windows are fogging, binding, or leaking dust on a windy day, reach us at (877) 752-3154. We’ll schedule a free estimate, walk the property with you, and tell you exactly what needs fixing and what can wait. Same-week scheduling is usually available for Ontario homes.
Written by Noel Trevino, Owner & General Contractor at Moreno Valley Builders, serving Ontario and the Inland Empire since starting out in Sunnymead Ranch.