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Mr-Glass Construction in Los Serranos, CA | Workshop Contractors
We provide independent Mr-Glass repair in Montclair and across Los Serranos, from frameless shower enclosures and sliding tub-shower doors to mirrored closet systems and window glass replacement. What makes our Mr-Glass work different here is that we know the canyon-edge grading and Santa Ana wind conditions that flat-valley contractors never see. Call (844) 384-3361 to schedule your free estimate with Noel Figueroa and the Workshop Contractors crew.
Why Los Serranos Residents Choose Us for Mr-Glass Service
We work on Mr-Glass enclosures, storefront systems, mirrors, and window glass every week as an independent glass and construction crew. We’re not tied to the Mr-Glass factory line, so when we recommend a repair or a replacement, it’s based on what the opening actually needs, not what a dealer is pushing. On a ranch-era home near the Carbon Canyon edge, our crew pulled a sagging Mr-Glass sliding tub-shower door whose roller track had been knocked loose by a Santa Ana wind gust, and found the framed alcove was out of square from years of slope-side settling. We re-squared the opening, replaced the worn rollers and sweep with profile-matched parts, and templated a frameless Mr-Glass enclosure cut to the actual opening so it closes flush and clears the tile curb. That’s the difference between someone who has done this work and someone reading a catalog.
Noel Figueroa grew up in the Vineyard neighborhood of Ontario, where half the houses on his street were built by the same generation of tradesmen who eventually handed him his first framing hammer. He learned the fundamentals at Chaffey College, where the construction technology program put him on job sites before he was old enough to rent a truck. Build it right the first time. The second time costs twice as much and nobody’s happy about it.
Styles & brands we work with







Common Mr-Glass Construction Problems We Solve in Los Serranos
- Santa Ana wind damage to sliding Mr-Glass tracks. Wind events rattle the sliding tracks on canyon-edge homes and loosen rollers, so doors jump the bottom guide after a blow. We re-hang the door, replace worn rollers with profile-matched parts, and re-set the guide so the door stays put.
- Seals and sweeps dried out by inland summer heat. On Los Serranos’ hot, dry inland summers, the seals and sweeps on Mr-Glass shower doors dry out and crack, then the door sags on its hinge and chips the tile curb. We replace the seals, re-hang the door, and check the hinge geometry before it gets worse.
- Out-of-square openings on settled hillside lots. Ranch-era and hillside homes settle on slope-graded lots, so the framed opening goes out of square and a stock Mr-Glass panel binds at the top corner rather than closing flush. We measure the actual opening and either re-square it or template a custom panel that fits what’s there.
- Mineral etching on rural well-water systems. Hard, mineral-heavy well water on Carbon Canyon-edge parcels etches frameless Mr-Glass panels and clouds the glass long before the hardware fails. We assess whether the glass can be restored with the right compound or whether replacement is the smarter five-year move.
- Binding Mr-Glass hinges and mis-templated returns. Whether it’s an older Mr-Glass mirrored wardrobe door or an add-on enclosure tied to a newer bath remodel, the hinge plates and return panels get abused over time. We replace hardware with genuine Mr-Glass or quality aftermarket equivalents and re-align the door so it swings correctly.
Mr-Glass Service in Los Serranos: What Local Conditions Mean for Your Equipment
Los Serranos lots along the Carbon Canyon edge sit on hillside and canyon-adjacent grades where grading, retaining-wall, and drainage plans get real scrutiny. If you’re adding a walk-in shower to a slope-side bathroom, the glass panel isn’t a simple finish swap. It often means sequencing work around a grading review, a drainage correction, or a retaining wall the county wants checked. The same goes for window replacement on the canyon side of a ranch-era home: the window opening is tied to the wall, the wall is tied to the foundation, and if the hillside has moved even an inch, that opening is no longer square. A stock Mr-Glass panel installed without checking that geometry will bind. Flat-valley contractors in Chino never face this, and that’s why we treat every Mr-Glass job in Los Serranos as a structural question first, a glass question second.
Santa Ana wind season adds another wrinkle. On canyon-edge exposures, sliding Mr-Glass tracks take a beating that interior bathrooms in flat Yorba Linda or Chino Hills never see. We’ve seen rollers knocked out of the bottom guide after a single strong blow because the original track was mounted with the wrong fasteners into drywall instead of the stud. That’s not a Mr-Glass defect. That’s an installation failure waiting for wind season to expose it.
Mr-Glass Models & Products We Service in Los Serranos
We service the full Mr-Glass residential line that shows up in Los Serranos homes: frameless hinged shower enclosures, sliding tub-shower doors, mirrored closet and wardrobe doors, custom glass shelving, and partition panels. We use genuine Mr-Glass hardware and profile-matched replacement parts where they’re still available, and quality aftermarket hinges, rollers, seals, and sweeps when the original line is discontinued. We tell you honestly when a re-seal and re-hang will outlast the glass and when a full replacement is the cheaper path over five years.
We stock common Mr-Glass roller sets, sweep profiles, and hinge plates for the models we see most often across Los Serranos, so the majority of repair work doesn’t stall waiting on a distributor. For custom panels, we template on site and cut to the actual opening, not to the blueprint. If your opening is out of square, the glass gets cut to match.
See the difference
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AfterMr-Glass Service Pricing in Los Serranos
| Service | Typical Range in Los Serranos |
|---|---|
| Walk-In Shower Installation | $4,500 – $12,000 |
| Tub-to-Shower Conversion | $3,500 – $10,000 |
| Shower Replacement | $3,000 – $8,500 |
| Window Replacement | $4,500 – $15,000 |
| Bathroom Vanity Installation | $800 – $3,000 |
What drives cost in Los Serranos is the opening itself. A square opening on a newer tract home in the 91709 ZIP or over in Pomona is a straightforward install. An out-of-square opening on a slope-side ranch-era home near Carbon Canyon means re-framing, re-leveling, or custom glass templating. That added work shows up on the estimate as line items, not buried in a change order later. We give you a written scope with actual measurements before we start. Call (844) 384-3361 for a free estimate and we’ll walk the opening with you.
Serving Los Serranos, CA — Our Local Coverage Area
We’re based in the Los Serranos 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 – Mr-Glass Construction in Los Serranos
Sometimes, but the older the home, especially on ranch-era or hillside lots, the less likely it fits without modifying the opening. Settlement on slope-graded lots puts framed openings out of square, and stock Mr-Glass panels bind at the top corner when that happens. We measure the actual opening before recommending anything. If the opening is square and the alcove is standard, a stock enclosure works fine. If not, we template a custom panel cut to the real dimensions. Call (844) 384-3361 for an exact assessment and a free estimate.
No. We’re an independent glass and construction crew that services Mr-Glass products in Los Serranos. That independence is the point: our recommendation is based on what the opening actually needs, not what a factory dealer is instructed to push. We use genuine Mr-Glass parts where they’re available and quality aftermarket equivalents when a line is discontinued.
Both, and we’ll tell you which is going in. For current Mr-Glass lines with active parts distribution, we use genuine Mr-Glass hardware and profile-matched replacement parts. When a line is discontinued, we use quality aftermarket hinges, rollers, seals, and sweeps that match the original profile. The decision is driven by availability and whether the aftermarket part performs as well or better than the original.
Common repairs like roller replacement, seal replacement, and door re-hanging are usually one visit, often a couple hours on site. Custom glass templating and enclosure installation takes one to two weeks from measurement to install, depending on glass fabrication lead time and whether we need to correct an out-of-square opening first. For a specific schedule, call (844) 384-3361 and we’ll tell you what applies to your job.
We service Mr-Glass frameless hinged shower enclosures, sliding tub-shower doors, mirrored closet and wardrobe doors, custom glass shelving, and partition panels across Los Serranos. If you have a Mr-Glass product that isn’t on that list, call us anyway. If we know the hardware, we’ll tell you. If we don’t, we’ll say so.
Service Areas Near Los Serranos
Workshop Contractors serves Los Serranos and the surrounding communities. We also provide Mr-Glass service in La Verne for homes just west of the Carbon Canyon edge, and Mr-Glass service in Eastvale for the newer flat-valley subdivisions across the 71. See our Los Serranos service area page for the full coverage map, or visit Mr-Glass sales & service for brand-level detail.
Book Your Mr-Glass Service in Los Serranos Today
If your Mr-Glass shower door is sagging, your sliding track is rattling when the Santa Anas blow, or your glass is clouded from well water, call (844) 384-3361. We’ll send Noel and the crew out to measure, diagnose, and give you a written estimate. Free for the visit, and we’ll tell you straight whether it’s a repair or a replacement. Call (844) 384-3361 today.
Written by Noel Figueroa, Owner at Workshop Contractors, serving Los Serranos and the Inland Empire since 2001.