Kitchen remodeling
Bathroom remodeling
Home additions & ADU
Roofing
Windows & doors
Driveway & pavers
FenceFree written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Mr-Glass Construction in Pomona, CA | Sycamore Contractors
We’re an independent contractor specializing in Mr-Glass window, shower, and railing products across Pomona, and we’ll give you a straight answer: most Mr-Glass failures here trace back to two things – older housing stock that’s shifted out of square, and sustained heat that warps and corrodes components. We measure, order, and install Mr-Glass assemblies daily, so we diagnose whether a unit is repairable or needs replacement without guessing. Call (877) 265-6284 for a free estimate, and we’ll walk you through what’s actually going on with your glass.
Why Pomona Residents Choose Us for Mr-Glass Service
We’ve worked with Mr-Glass window, shower, and railing lines for over 15 years, and there’s a difference between a contractor who occasionally handles a glass job and one who knows these products down to the roller and hinge. Pomona’s housing stock spans early-1900s Craftsman bungalows near downtown to post-war tract homes from the 1950s and 60s, plus newer infill in the 91768 corridor. That range means we see every failure mode Mr-Glass products can develop, including on calls for Mr-Glass repair in Montclair.
Nate Calloway runs our operation, and he grew up in the Redhawk neighborhood of Temecula before spending two decades running crews across Southern California. His posture on materials is simple: use the OEM part where it matters, replace the unit when the frame’s gone, and never upsell a homeowner who just needs a $40 roller swap. That’s how we approach every Mr-Glass job in Pomona, from the 91766 and 91767 neighborhoods to the 91769 and 91797 areas, and we bring the same standard to Mr-Glass service in Claremont.
We’re also on the Mr-Glass sales & service side daily, which means we stock common OEM rollers, hinges, and seals locally for faster turnaround than a crew that has to order every part.
Styles & brands we work with







Common Mr-Glass Construction Problems We Solve in Pomona
These are the five failure modes we see most often in Pomona, and each one connects to something specific about this city’s climate or housing.
- Aluminum sliding window rollers and tracks corroding and binding. Pomona’s hot, dry summers followed by occasional winter rains create exactly the thermal cycling that seizes Mr-Glass 3000 Series rollers. On pre-1950 homes where the original rough opening is out of square, the track binds even faster because the window’s fighting the frame, not just the weather.
- Frameless shower enclosure hinges and seals failing on out-of-plumb walls. Century-old bathrooms near downtown Pomona rarely have a square corner left. When a Mr-Glass frameless enclosure goes onto a wall that’s off by half an inch, the hinge carries stress it wasn’t designed for, and you get glass stress cracks and water leaks.
- Vinyl window frames warping and discoloring under sustained UV and Santa Ana heat. West-facing Mr-Glass vinyl replacement windows in Pomona take a beating during Santa Ana events. The frames expand, the weatherstripping gaps, and you start losing conditioned air through a window that looks fine from the street.
- Glass railing base plates and anchor bolts loosening on exterior decks. Thermal cycling plus moisture intrusion works through exterior Mr-Glass railing systems on older additions, especially where the original flashing was inadequate. We see this on 1950s and 60s tract homes where decks were added later without proper waterproofing.
- Rotted redwood sill plates under Mr-Glass window frames. Pomona’s pre-war homes – particularly in Lincoln Park and Wilton Heights – used redwood sill plates that hold up for decades until water gets behind them. Once that happens, the sill rots, the window drops, and the Mr-Glass unit is fighting a losing battle against a structural problem.
Mr-Glass Service in Pomona: What Local Conditions Mean for Your Equipment
Pomona sits at the eastern edge of Los Angeles County where the San Gabriel Valley meets the Inland Empire, and much of its buildable land is already developed. That means we’re not doing greenfield work here – we’re working on infill, additions, and century-old properties where the original infrastructure is still in the walls. Contractors working the historic Lincoln Park and Wilton Heights neighborhoods regularly encounter original redwood sill plates and 1920s concrete foundations that require engineer-specified retrofits before any addition or window replacement can be permitted. This is a pattern driven by Pomona’s concentration of pre-war housing that predates modern seismic codes. For Mr-Glass owners, that means a window replacement isn’t always just a window replacement. Before we can install a new Mr-Glass unit, we often need an engineer to spec a retrofit that brings the rough opening back into square and meets current seismic requirements. That’s a step rarely required in newer Inland Empire tract cities, and it’s the single biggest reason a Pomona Mr-Glass project can take longer and cost more than the same job in, say, a 1990s subdivision.
Here’s what that looks like in practice. In a 1920s Craftsman bungalow in Lincoln Park, we replaced a failing Mr-Glass 3000 Series aluminum sliding window that had corroded rollers and a rotted redwood sill plate. After an engineer specified a retrofit to level the rough opening, we installed a new Mr-Glass vinyl replacement window with a custom flashing detail to shed water. The homeowner now has smooth operation and no drafts, and the window meets current egress and seismic safety standards.
Mr-Glass Models & Products We Service in Pomona
We work across the Mr-Glass product lines Pomona homeowners actually have: the 3000 Series aluminum sliding windows, the Frameless Shower Enclosure in both 3/8-inch and 1/2-inch glass, the Vinyl Framed Window Replacement Series, and Custom Glass Railing Systems. Our parts approach is straightforward. For critical components – rollers, hinges, seals – we use OEM Mr-Glass replacement parts to maintain fit and any remaining warranty. But when the frame or glass is structurally compromised, especially on pre-1950 homes where repair costs approach replacement, we’ll tell you honestly that a full unit replacement makes more sense. We don’t upsell a replacement when a simple hardware swap restores function.
See the difference
Before
After
Before
After
Before
AfterMr-Glass Service Pricing in Pomona
Pomona prices for Mr-Glass work are shaped by the age of the structure, the condition of the rough opening, and whether seismic retrofits are required before installation. Here’s what you can expect:
| Service | Price Range |
|---|---|
| Window Replacement (per window) | $4,500 – $15,000 |
| Frameless Glass Shower Enclosure | $4,500 – $12,000 |
| Impact Window Installation (per window) | $8,000 – $25,000 |
What drives the cost: out-of-square openings that require engineering, sill plate replacement on pre-1950 homes, and access conditions on second-story or deck-mounted railings. Our free estimate includes a site visit, measurements, and a written line-item quote so you know exactly what you’re paying for before anything starts. Call (877) 265-6284 to schedule yours.
Serving Pomona, CA — Our Local Coverage Area
We’re based in the Pomona area and know this community well, and we also handle Mr-Glass in La Verne. Use the map below to see our full service coverage — if you’re nearby, we can almost certainly help.
FAQs – Mr-Glass Construction in Pomona
Yes, window replacements in Pomona require a permit, and on pre-1950 homes in neighborhoods like Lincoln Park and Wilton Heights, the city will likely require an engineer’s retrofit spec before the permit is issued. We handle the permit process and the engineering coordination as part of the job. Call (877) 265-6284 and we’ll walk you through what your specific property will need.
The combination of water exposure, humidity from the shower, and Pomona’s hard water chemistry accelerates corrosion on hinges and seals, especially in bathrooms without adequate ventilation. The fix is usually installing OEM Mr-Glass hinges with better sealing and addressing the ventilation issue, not just swapping in another set that’ll fail the same way. Call (877) 265-6284 for an evaluation – we’ll tell you if it’s a hinge swap or a bigger problem.
If the frame and rollers are sound and only the glass is cracked, we can typically replace the insulated glass unit without swapping the entire Mr-Glass frame. If the frame has corroded, warped, or the rough opening is out of square, patching the pane won’t hold up, and a full replacement is the honest recommendation. Call (877) 265-6284 and we’ll assess it in person.
Most Mr-Glass frameless shower enclosures take three to four weeks from measurement to installation, depending on glass thickness and hardware finish. Custom sizing on out-of-plumb walls common in older Pomona bathrooms can add a week or two for templating. Call (877) 265-6284 for a specific timeline on your project.
Yes, the Mr-Glass Vinyl Framed Window Replacement Series performs well in Pomona’s climate when installed correctly. The key is proper flashing and a square rough opening – west-facing windows take sustained UV and wind-driven heat during Santa Ana events, and a sloppy installation will show up as warping and weatherstripping gaps within a few seasons. Call (877) 265-6284 for a free estimate on a proper installation.
Service Areas Near Pomona
We serve all of Pomona and the surrounding region, including Temecula, Murrieta, Murrieta Hot Springs, Wildomar, and Fallbrook. We also provide Pomona service area coverage throughout the 91766, 91767, 91769, and 91797 ZIP codes. If you’re closer to Mr-Glass service in Brea or up toward Mr-Glass service in Lake Arrowhead, those areas are within our reach as well.
Book Your Mr-Glass Service in Pomona Today
Call (877) 265-6284 to schedule your free estimate, whether you need Pomona work or Los Serranos Mr-Glass service. We’ll come out, assess your Mr-Glass windows, shower enclosure, or railing system, and give you a written line-item quote. Do it right the first time, or you’ll do it twice in the July heat.
Written by Nate Calloway, Owner at Sycamore Contractors, serving Pomona and the surrounding region since 2004.