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Mr-Glass Construction in Corona, CA | Square One Builders
We’re an independent Corona contractor that installs and services Mr-Glass windows, sliding doors, and shower enclosures across 92882, 92883, 92877, and 92878. What makes our Mr-Glass work different here is simple: we know exactly how these products fail under Corona’s heat, smog, Santa Ana winds, and shrink-swell clay soil, and we spec repairs or replacements accordingly. Call (877) 688-9930 for a free estimate, and you’ll talk to someone who has handled Mr-Glass in foothill fire zones and flat-lot tracts alike.

Why Corona Residents Choose Us for Mr-Glass Service
Brent Calloway, our owner and general contractor, grew up in Midway City and has spent nearly three decades working on Orange County and Inland Empire homes. He started with framing, concrete, and finish work, and he still treats every Mr-Glass install like a structural decision, not a parts swap. That’s the lens we bring to Mr-Glass sales & service throughout Corona: we look at the frame, the flashing, the track, and the seal as one system, because in this climate, they fail as one system.
We’re not a manufacturer-authorized dealer. We’re an independent contractor with deep hands-on experience in Home Gardens Mr-Glass service for 500 Series windows, 800 Series sliding doors, and frameless shower enclosures. That independence means we give straight repair-vs-replace advice without a sales quota behind it. When OEM parts make sense, we source them. When they’re discontinued or backordered, we tell you and use a quality aftermarket equivalent that we’d put in our own homes.
Styles & brands we work with







Common Mr-Glass Construction Problems We Solve in Corona
- Fogged window glass and failed seals. Corona’s summer sun sits on south- and west-facing elevations for hours. Mr-Glass dual-pane seals eventually break down under that UV load, and the fogging is most common on tract homes built in the 1980s through 2000s. We replace the glass unit, not necessarily the whole frame, when the frame is still square and sound.
- Sliding door rollers grinding or binding. Santa Ana winds push fine dust and grit into Mr-Glass 800 Series door tracks. Combined with thermal expansion on hot afternoons, rollers wear unevenly and the door starts to drag. We clean, align, and replace roller assemblies, and we check the track for warping before calling it done.
- Shower enclosure glass etching from mineral-heavy water. Corona’s water supply leaves stubborn calcium and mineral deposits on Mr-Glass frameless shower enclosures. Etching isn’t reversible, but we can replace glass panels with treated or upgraded coatings that resist future staining. We also check the sealant and hardware while we’re in there.
- Frame and seal degradation in older homes. Downtown and South Corona have plenty of mid-century bungalows and ranch homes where Mr-Glass units were installed decades ago. Years of UV, heat cycling, and the soil movement common to Corona’s expansive clay lead to frames pulling slightly out of square. That’s when seals crack, glass stresses, and locks stop lining up.
- Fire-zone glazing mismatches. Foothill-edge homes in 92881 and 92883 fall under different code requirements than flat-lot 92880 builds. We regularly find older Mr-Glass windows that don’t meet current fire-rated glazing standards for the hillside zones. We handle the replacement and the paperwork that goes with it.
Mr-Glass Service in Corona: What Local Conditions Mean for Your Equipment
Corona’s foothill neighborhoods in 92881 and 92883 sit in a high fire-severity zone. That’s a fact you can verify against the city’s adopted fire code maps. What it means for Mr-Glass owners is this: Mr-Glass service in Eastvale and similar foothill areas often requires fire-rated glazing or tempered glass upgrades that flat-lot 92880 projects never have to consider. Same Mr-Glass product, two completely different code playbooks depending on which side of Corona you’re standing on. The parcels backing up against the Santa Ana Mountains go through hillside and fire-zone review, which affects glass type, frame material, and even installation method. We recently replaced twelve fogged Mr-Glass 500 Series windows in a 1990s tract home off Foothill Parkway in 92881, not far from the open space. The south-facing units had failed seals from years of intense UV and smog. The homeowner wanted better energy performance before the next fire season. We upgraded to tempered glass with low-E coating and resealed every frame. Her rooms cooled down within days, and the view through each sash finally looked clear again. That job is the reason we tell homeowners up front: match the glass to your side of Corona, or you’ll pay for it twice.
Mr-Glass Models & Products We Service in Corona
We service the full Mr-Glass lineup we see in Corona homes: the 500 Series Single-Hung Windows, the 800 Series Sliding Glass Doors, Frameless Shower Enclosures, and Custom Mirror & Glass Products. For window balances and door rollers, we source OEM Mr-Glass parts when they’re available. When they’re not, or when lead times stretch weeks, we move to quality aftermarket equivalents that match or exceed the original spec. It’s a parts decision we make transparently, with a written line-item so you see exactly what goes where. We stock common roller assemblies, balances, and sealants locally so most Mr-Glass service in Norco and Corona calls don’t wait on a national shipment.
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AfterMr-Glass Service Pricing in Corona
Here’s what Mr-Glass work typically costs in Corona, based on the jobs we’ve done across 92882, 92883, 92877, and 92878.
| Service | Price Range |
|---|---|
| Window Replacement | $4,500 – $15,000 |
| Walk-In Shower Installation | $4,500 – $12,000 |
| Frameless Glass Shower Enclosures (as part of shower install) | $4,500 – $12,000 |
What drives the price: glass type (tempered, fire-rated, low-E), frame condition, number of units, and whether your part of Corona triggers foothill review. A free estimate from us includes a site check and a written line-item proposal. Call (877) 688-9930 to schedule one.

Serving Corona, CA — Our Local Coverage Area
We’re based in the Corona 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 Corona
Yes. We handle Mr-Glass window and door replacements in the 92881 and 92883 foothill communities, and we know the fire-rated glazing and tempered glass requirements that apply there. We pull the permits, coordinate the inspections, and spec the glass to match your parcel’s fire-severity zone. Call (877) 688-9930 and we’ll check your address against the current map before giving you a number.
Most of the time it’s repairable. We start by cleaning and aligning the track, then inspect the rollers. If the rollers are worn, we replace them with OEM Mr-Glass parts or a quality aftermarket equivalent. If the frame has warped or the glass is compromised, we’ll tell you straight and give you replacement options. Call (877) 688-9930 and we’ll diagnose it on site.
Corona’s mineral-heavy water etches glass over time, leaving a cloudy film that can’t be polished out. For new installs, we recommend glass treatments that resist mineral bonding. For existing etched Mr-Glass enclosures, we can replace the glass panels and upgrade the coating so the problem doesn’t come back as fast. Call (877) 688-9930 for a quote on glass replacement versus full enclosure replacement.
We can usually match the frame profile and glass style of existing Mr-Glass 500 Series windows, depending on what’s still manufactured and what’s been discontinued. If an exact match isn’t available, we’ll find the closest visual and performance equivalent and show you samples before we order anything. Call (877) 688-9930 with your window count and we’ll build the quote.
For a standard single-home window replacement, expect one to two days on site once materials arrive. If your project sits in a foothill review zone in 92881 or 92883, permit processing can add a week or two depending on the city’s current queue. We’ll give you a realistic schedule at the estimate, not an optimistic one. Call (877) 688-9930 to get yours started.
Service Areas Near Corona
We serve all of Corona, including 92882, 92883, 92877, and 92878, plus nearby communities. If you’re in El Cerrito Corona, we can reach you the same day for most Mr-Glass service calls. We also cover Mr-Glass service in El Cerrito Corona, Mr-Glass service in La Verne, Norco, and Corona service area calls throughout the Inland Empire.
Book Your Mr-Glass Service in Corona Today
We know Mr-Glass equipment, and we know which side of Corona you live on. That’s the combination that gets your windows, doors, or shower enclosure fixed right the first time. Call (877) 688-9930 to schedule your free estimate. Start from square one, build it right.
Written by Brent Calloway, Owner at Square One Builders, General Contractor in Corona and the Inland Empire for nearly three decades.