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Mr-Glass Construction in Muscoy, CA | Workshop Contractors
We’re Workshop Contractors, and we provide independent Mr-Glass service in San Bernardino County and across Muscoy, from shower enclosure repair to full glass replacement. If you live in any of the county-unincorporated pockets of Muscoy, here’s what makes our work different from a generic glass shop: we understand that your permits run through San Bernardino County, not a city building department, and that many Muscoy bathrooms were built or converted by hand. That changes how we template, order, and install glass. Call (844) 384-3361 to get a free estimate for your Mr-Glass project.
Why Muscoy Residents Choose Us for Mr-Glass Service
Mr-Glass shower enclosures, mirrors, and glazed openings are familiar territory for our crew. We work on them every week across the unincorporated Muscoy corridor, so we know which hinge, sweep, and panel configurations actually hold up in this housing stock. We are an independent contractor and have no authorization, partnership, or warranty relationship with Mr-Glass. What that means for you is simpler: we repair and replace based on what works, not on what a manufacturer mandates.
Noel Figueroa, our owner and general contractor, grew up in the Vineyard neighborhood of Ontario, where the houses on his street were built by tradesmen who eventually handed him his first framing hammer. He learned the fundamentals at Chaffey College’s construction technology program, and he’s spent the decades since working across the Inland Empire. That background matters here in Muscoy, where a shower enclosure has to survive heat, wind, and framing that isn’t always square.
Styles & brands we work with







Common Mr-Glass Construction Problems We Solve in Muscoy
- Pivot and hinge screws pulling loose on out-of-plumb, hand-framed bath walls. Many older Muscoy homes have bath walls that were framed by the owner or a previous generation of contractor with no laser level in sight. Mr-Glass frameless hinged doors depend on precise hinge mounting, so when a wall moves out of plumb, the door sags and binds at the strike jamb. We re-shim, remount, and replace hinges as needed.
- Sweeps and bottom seals drying and cracking fast in the hot, dry inland valley. Muscoy sits at the base of the foothills where summer heat is intense and the air stays dry for months. That turns flexible vinyl and rubber sweeps on Mr-Glass semi-frameless bypass doors brittle and cracked, letting water track onto aging subfloor. We replace them with seals matched to the actual panel thickness, not a one-size guess.
- Rollers and tracks on bypass sliders loading with grit carried on Santa Ana winds. The seasonal winds off the foothills pick up fine dust and sand from unpaved and under-improved lots all over Muscoy. That grit works its way into the bottom track and rollers of Mr-Glass framed tub-enclosure sliders, making the doors slow or jump off the track. We clean, re-lube, and replace rollers when the bearings are shot.
- Factory-tempered panels ordered to nominal sizes that won’t fit the conversions and owner-added baths here. Muscoy has a lot of rooms converted from garages or added on over decades without a permit or a set of plans. The rough openings rarely match a stock Mr-Glass panel. We template the actual opening, order to the true measurement, and avoid the wasted glass that comes from guessing.
- Doors that swing open on their own because the enclosure is out of square. A frameless Mr-Glass hinged door mounted on a wall that’s off by half an inch will swing toward the low side. Call it gravity. In Muscoy, where older slab-on-grade homes have settled, we see this on a regular basis. The fix is almost always in the framing, not the glass.
Mr-Glass Service in Muscoy: What Local Conditions Mean for Your Equipment
Muscoy has no city building department. Every Mr-Glass shower or glazed opening tied to a bath permit goes through San Bernardino County Land Use Services, which is why we research the county permit file before templating a converted bath or former garage space. On a county-permitted bath remodel off the State Street side of Muscoy, our crew found a tub-to-shower conversion framed into a former back bedroom whose walls had moved a good half inch out of plumb over a slab-on-grade pour. We pulled the county file to confirm the room count and conversion were legal, then re-shimmed the framing and templated a custom Mr-Glass frameless panel rather than dropping in a stock kit that would have swung open on its own. The enclosure closed square against new sweeps, and the owner had documentation for the final inspection. That’s the local reality: unpermitted additions and converted spaces are common here, and a shower enclosure is often the first place the framing problems show up.
Mr-Glass Models & Products We Service in Muscoy
Our crew works on the full Mr-Glass lineup that typically appears in San Bernardino County homes, including frameless hinged shower door sets in 3/8-inch tempered glass, semi-frameless bypass sliding shower doors, framed tub-enclosure sliders with clear or obscure glass, and custom mirror and glass shelving units. We also handle Mr-Glass repair in Rialto and nearby communities. For parts, we use OEM Mr-Glass hinges, rollers, and sweeps where the original extrusion profile is still available, and quality aftermarket stainless hardware where it is not. We always match the hardware to the actual panel thickness and hole pattern. We stock common sweeps, rollers, and hinge sets for fast turnaround across the 92405 ZIP code.
Mr-Glass Service Pricing in Muscoy
Most Mr-Glass shower work in Muscoy falls within these ranges. What drives the final number is whether we’re replacing hardware on an existing panel, re-templating an out-of-square opening, or doing a full walk-in conversion with county permits involved. A free estimate from us includes checking the opening, the framing, and the water-proofing behind the enclosure, not just the glass.
| Service | Typical Range in Muscoy |
|---|---|
| Walk-In Shower Installation | $4,500 – $12,000 |
| Tub-to-Shower Conversion | $3,500 – $10,000 |
| Shower Replacement | $3,000 – $8,500 |
| Small Bathroom Remodel | $5,000 – $12,000 |
| Bathroom Vanity Installation | $800 – $3,000 |
If you want an exact quote for your Mr-Glass shower or mirror project in Muscoy, call (844) 384-3361. Estimates are free, and we’ll give you a written line-item quote before any work starts.
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AfterServing Muscoy, CA — Our Local Coverage Area
We’re based in the Muscoy area and know this community well, and we also offer Mr-Glass repair in Highland. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – Mr-Glass Construction in Muscoy
If the enclosure is a direct replacement for an existing shower with no plumbing, electrical, or structural changes, you usually do not need a permit. If the work is part of a bath remodel, a tub-to-shower conversion, or involves moving a wall, Muscoy’s unincorporated status means your permit runs through San Bernardino County Land Use Services, not a city building department. We check the permit requirements as part of every estimate. Call (844) 384-3361 and we’ll tell you what applies to your specific situation.
Because many Muscoy bathrooms were added onto or converted over the years, the rough openings are almost never built to the standard dimensions that stock enclosures assume. Older slab-on-grade homes settle, and hand-framed walls drift out of square. We template every opening to the actual measurement and order panels to fit, rather than forcing a nominal size into a non-nominal space.
The tempered glass itself is fine with heat and wind, but the hardware is where we see problems. The hot, dry Valley climate dries out and cracks the flexible sweeps on the bottom of the door, and grit blown in by the Santa Anas loads up the rollers on bypass sliders. We replace those wear parts with OEM or quality aftermarket stainless hardware matched to the panel thickness, and the enclosure holds up well after that.
Yes, but the sequence matters. If the space is unpermitted, we’ll research the county file first and flag what’s on the record. We can often install the enclosure while the legalization process is underway, but if the framing is structurally questionable or the waterproofing is failing, we’ll tell you before we mount glass on it. Call (844) 384-3361 and we’ll walk you through what’s involved.
No. Mr-Glass is a manufacturer, not an inspection agency. We are an independent contractor and have no authorization, partnership, or warranty relationship with Mr-Glass. The only sign-off that matters in Muscoy is the county inspector’s, when a permit is involved. We handle that coordination as part of the job.
Key Takeaways
- We’re an independent Mr-Glass service provider serving Muscoy ZIP code 92405.
- Muscoy’s unincorporated county permitting shapes how we scope bath and glass projects.
- Older, hand-framed Muscoy homes require templating, not stock kits.
- Heat, dryness, and Santa Ana grit drive the most common hardware failures.
- Free estimates: (844) 384-3361.
Service Areas Near Muscoy
In addition to Muscoy, we serve Muscoy service area work throughout the surrounding San Bernardino County communities. For Mr-Glass service, we also cover Mr-Glass service in La Habra, Mr-Glass service in Colton, and the broader Mr-Glass sales & service region across the Inland Empire.
Book Your Mr-Glass Service in Muscoy Today
If you’re dealing with a sagging Mr-Glass door, cracked sweeps, or a shower that never fit right in your Muscoy home, call (844) 384-3361 to schedule your free estimate, or ask about our Mr-Glass service in Crestline. We’ll measure the opening, check the framing, and give you a written quote before any work begins.
Written by Noel Figueroa, Owner at Workshop Contractors, serving Muscoy and the Inland Empire since 1998. Build it right the first time. The second time costs twice as much and nobody’s happy about it.