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Mr-Glass Construction in Los Serranos, CA | Gold Star Contractors
We’re Gold Star Contractors, an independent General Contractor in Los Serranos providing Mr-Glass services across the surrounding 91709 ZIP. The short answer on what we do: we install, repair, and replace Mr-Glass shower enclosures, mirrors, glass railings, and custom glass in homes throughout Los Serranos, and we know this community well enough to handle the permitting and climate quirks that come with it. Noel Carranza runs our operation, and he’s built the kind of crew that shows up when we say we will. Call (833) 382-8544 and we’ll give you a straight answer on your glass project, free.

Why Los Serranos Residents Choose Us for Mr-Glass Service
Mr-Glass products are popular in Los Serranos for a reason. The frameless shower enclosures and glass panel systems fit the clean, contemporary look a lot of homeowners here want, especially in the newer hillside subdivisions and the renovated ranch-style homes near the country club. But glass fails in specific ways in this climate, and you need someone who has actually watched that happen year after year. We have. We’ve pulled out leaking builder-grade showers and replaced them with Mr-Glass enclosures, re-set glass railings that the Santa Ana winds worked loose, and swapped out mirrors that turned black along the bottom edge from bathroom humidity. Noel got his start in construction doing concrete and finish carpentry across Orange County, and he’s kept that hands-on approach here. We’re not a call center. When you call about Pomona Mr-Glass service or work in Los Serranos, you’re talking to people who know the houses and the hillsides.
Styles & brands we work with







Common Mr-Glass Construction Problems We Solve in Los Serranos
- Frameless shower hinges and seals breaking down from hard water and heat. The 91709 area gets hot inland summers, and the local water leaves mineral deposits that eat away at silicone and hinge seals faster than you’d expect. We replace the worn Mr-Glass hardware with OEM components where available, so the enclosure matches its original fit and finish.
- Mirror silvering delaminating along the bottom edge. Bathrooms here often lack proper ventilation, especially in the 1970s and 1980s tract homes. Moisture settles on the mirror backing and causes that black-edge corrosion. Sometimes a repair works; often the honest call is replacement. We’ll tell you which one applies to your mirror.
- Glass railings and panel mounts loosening from wind loading. Los Serranos sits at the mouth of Carbon Canyon, and Santa Ana wind events hit canyon-edge lots hard. Thermal cycling plus sustained wind stresses the mounts on Mr-Glass railing systems. We inspect, tighten, and re-seal before a panel becomes a problem.
- Exterior glass pitting and scratching from wind-blown grit. Seasonal wildfire-adjacent debris and dry canyon winds carry fine grit that can scar exterior glazing. If the panel is pitted or chipped, we’ll tell you replacement is the right move rather than patching something that will fail again.
- Builder-grade shower enclosures failing in older homes. Many Los Serranos homes still have the original shower glass from when the house was built. The silicone around those units dries out, the bottom track leaks, and water gets into the subfloor. We pull those out and set Mr-Glass frameless enclosures with proper waterproofing, so the problem stays gone.
Mr-Glass Service in Los Serranos: What Local Conditions Mean for Your Equipment
Here’s something most glass contractors won’t tell you about Los Serranos: the permitting split matters. Los Serranos is unincorporated San Bernardino County territory, not part of the city of Chino Hills, even though it sits in the 91709 ZIP and feels like Chino Hills. A bathroom remodel or Mr-Glass repair in Montclair-style enclosure project near the Los Serranos Country Club can fall under county permitting rules, not city of Chino Hills rules. If you hire someone who assumes Chino Hills codes apply and starts ordering glass, you can end up with a project that stalls at inspection. We confirm which jurisdiction issues the permit before we order or install anything. That single step has saved homeowners near the Carbon Canyon corridor real time and money. On top of that, the local climate does its own damage. Hot inland summers and hard water break down shower seals. Santa Ana winds work loose glass railing mounts on hillside lots. We plan for those conditions on every Mr-Glass job in Los Serranos, because we’ve seen what happens when contractors don’t.
Mr-Glass Models & Products We Service in Los Serranos
We work across the full range of Mr-Glass products you’re likely to find in Los Serranos homes. That includes frameless shower enclosures and door assemblies, wall and vanity mirrors, closet mirrors, glass railing and panel systems, custom glass shelving, and storm or window glass. When a hinge, seal, or mounting component fails, we source Mr-Glass OEM hardware so the repair fits the original product exactly. If OEM is discontinued, we’ll source a quality aftermarket equivalent and tell you upfront what we’re using and why. If the glass itself is intact and only the hardware or seals have failed, we repair. But pitted, chipped, or delaminated panels get a straight recommendation to replace, because patching those never holds up in this climate. For Los Serranos turnaround times, we keep the most common Mr-Glass hardware and seal components stocked locally, so most shower enclosure repairs don’t wait on a long parts shipment. For broader Mr-Glass sales and service questions, see our Mr-Glass sales & service page.
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AfterMr-Glass Service Pricing in Los Serranos
The cost of a Mr-Glass project in Los Serranos depends on the scope, the condition of the existing structure, and whether we’re repairing hardware or replacing glass panels. Here are the ranges we typically see for this area:
| Service | Typical Range |
|---|---|
| Walk-In Shower Installation | $4,500 – $12,000 |
| Tub-to-Shower Conversion | $3,500 – $10,000 |
| Shower Replacement | $3,000 – $8,500 |
| Bathroom Vanity Installation | $800 – $3,000 |
| Small Bathroom Remodel | $5,000 – $12,000 |
A free estimate from us includes a look at your existing glass, the waterproofing behind it, and the permits your specific Los Serranos address will need. We price in writing, and the quote you get is the number we work to. Call (833) 382-8544 and we’ll walk you through what your project will actually cost.
Serving Los Serranos, CA — Our Local Coverage Area
We’re based in the Los Serranos area and also provide Yorba Linda Mr-Glass service, but we know this community well. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.

FAQs – Mr-Glass Construction in Los Serranos
It depends on your exact address. Los Serranos is unincorporated San Bernardino County territory, so many properties fall under county permitting even though they share the 91709 ZIP with Chino Hills. We check the jurisdiction before ordering glass or scheduling installation. If it’s a straightforward glass panel swap with no plumbing or structural changes, a permit may not be required at all. Call (833) 382-8544 and we’ll confirm what your address needs.
The usual culprits are hard water mineral buildup and hot inland summer heat breaking down the silicone and hinge seals along the bottom track. Once the silicone degrades, water finds its way under the glass and into the subfloor. We replace the worn seals and hinges with Mr-Glass OEM hardware where available, re-set the glass with new waterproofing, and the leak stops. If the glass itself is pitted or damaged, we’ll recommend replacement instead of a patch job that will fail again.
Yes, if the mounts and seals were not installed with wind loading in mind. Santa Ana events hit canyon-edge and hillside lots in Los Serranos hard, and sustained wind plus thermal cycling loosens mounts and stresses seals over time. We inspect existing installations and re-tighten or re-seal before a panel works loose. For new Mr-Glass railing work, we choose mounting details that hold up to the wind patterns we see near the Carbon Canyon corridor.
The black edge is silvering and backing delamination, usually caused by poor bathroom ventilation and moisture settling at the bottom of the mirror. If the damage is small and caught early, a repair can sometimes stop the spread. But once the delamination reaches a few inches up the glass, replacement is the honest recommendation. We’ll look at the mirror and tell you which path makes sense for your Los Serranos bathroom.
Most Mr-Glass shower and bathroom glass work falls between $3,000 and $12,000 depending on scope. A simple shower replacement runs about $3,000 to $8,500. A full walk-in shower installation with a new Mr-Glass frameless enclosure starts around $4,500 and can reach $12,000 for larger or more complex layouts. The best way to get an exact number is a free estimate. Call (833) 382-8544 and we’ll give you a written quote based on your specific bathroom.
Service Areas Near Los Serranos
We also serve Chino Hills-adjacent communities across the 91709 ZIP and the surrounding area, including Corona, Norco, Eastvale, and Jurupa Valley. If you’re just outside Los Serranos, see our Los Serranos service area page to confirm coverage. For Mr-Glass work south of here, check Mr-Glass service in Riverside or Mr-Glass service in Chino depending on where your home sits.
Book Your Mr-Glass Service in Los Serranos Today
If your shower is leaking, your mirror is delaminating, or your glass railing has worked loose, call us. We’ll get someone out to look, tell you what’s actually wrong, and quote the work in writing. One call, done right – that’s the only way I know how to run a job. Call (833) 382-8544 to schedule your free estimate.
Written by Noel Carranza, Owner at Gold Star Contractors, serving Los Serranos and the surrounding 91709 area.