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 Sunnyslope, CA | Square One Builders
We install and service Mr-Glass shower enclosures and glass systems across Sunnyslope, and the one thing that makes our work here different is sequencing: because Sunnyslope is unincorporated Riverside County, bathroom and shower work that touches a wet wall or curb on the floodplain side triggers county flood-control review that city contractors over the line in Jurupa Valley never see. We plan every Mr-Glass install around those inspection sign-offs so your glass goes in once, correctly. We’re independent, not a Mr-Glass dealer, which means we quote the glass you actually want. Call (877) 688-9930 to scope your project.

Why Sunnyslope Residents Choose Us for Mr-Glass Service
Most shower enclosure problems are not glass problems. They’re framing problems, curb problems, seal problems. We know Mr-Glass units from the manufacturer’s published dimensions and hardware specs, and we’ve installed enough of them in Sunnyslope homes to know exactly where the local conditions bite. Brent Calloway spent nearly three decades working on homes throughout the Inland Empire before founding Square One Builders, and our crew treats a frameless enclosure job like a structural one: check the opening, check the curb, check the plumb, then hang the glass.
We carry OEM Mr-Glass hinges, rollers, sweeps, and gaskets sized for the exact models we install. When a Sunnyslope homeowner calls about a sagging frameless door or a bypass track that grinds, we usually know the fix before we pull the first screw. That speed comes from doing this work in this specific place, not from a generic service manual. We’re also a full-scope general contractor in Sunnyslope, so if your shower job requires reframing, re-pouring a curb, or reworking tile, that’s all under our contract, not a second number you chase.
Styles & brands we work with







Common Mr-Glass Construction Problems We Solve in Sunnyslope
- Sagging frameless hinged doors. On 3/8-inch swing-door kits, the pivot hardware loosens as Sunnyslope’s summer heat cycles through 100°F-plus days and the wall assembly moves. The door drops out of plumb and starts catching the jamb. We replace the OEM pivot hinges, reset the door, and re-check the opening before sealing.
- Grinding bypass shower doors. Santa Ana winds push fine grit from the river corridor through older Sunnyslope homes, and that dust packs into rollers and tracks on sliding Mr-Glass tub-shower enclosures. The slides get gritty, then scored. We pull the rollers, clean or swap them for OEM replacements, and re-set the track.
- Hardening sweeps and leaking seals. The hot, dry basin air plus hard local water cures silicone sweeps fast. They crack, then leak onto tile, and homeowners blame the glass. We replace sweeps and gaskets with the correct Mr-Glass spec, then re-seal the joint so water stops where it should.
- Out-of-square rough openings. Many older Sunnyslope homes have openings that drifted a half-inch or more out of square. A stock Mr-Glass kit will not sit flush in that opening. We fix the framing and curb first, then install the enclosure to spec. The glass was never the problem.
- Chipped or delaminated panels. When a panel is chipped along the edge or the tempering has delaminated, repair is the wrong call. We recommend replacement only when the glass is genuinely out of spec, and we source exact-fit Mr-Glass panels for the swap.
Mr-Glass Service in Sunnyslope: What Local Conditions Mean for Your Equipment
The one thing every Sunnyslope homeowner learns eventually is that this unincorporated patch of Riverside County runs on its own rules. If you live on the western edge, near the Santa Ana River, and your shower remodel involves moving a wet wall or rebuilding the curb, the county can require flood-control review before you get a final sign-off. A contractor working in Jurupa Valley or Mr-Glass service in Pedley never deals with that layer. We do, and we sequence the glass and enclosure install around those inspections rather than assuming a basic remodel schedule. That means we may frame, set the pan, and wait for the inspector before we hang a $5,000 frameless Mr-Glass enclosure, so the county never has to ask us to pull it back off. It’s slower on paper and faster in reality.
Mr-Glass Models & Products We Service in Sunnyslope
We work on the full Mr-Glass residential range: frameless hinged shower enclosures built on the standard 3/8-inch tempered swing-door kits, sliding and bypass tub-shower systems, neo-angle frameless corner enclosures, and fixed glass panels or custom-cut heavy glass. Our parts approach is simple: OEM Mr-Glass hinges, rollers, sweeps, and gaskets first, because the fit is exact. When OEM hardware is discontinued and the specs match, we’ll use quality aftermarket parts and say so. We keep common Mr-Glass hardware on hand locally so the typical Sunnyslope repair doesn’t wait on a parts shipment from a warehouse three states away.
See the difference
Before
After
Before
After
Before
AfterMr-Glass Service Pricing in Sunnyslope
| Service | Price Range |
|---|---|
| Frameless Glass Shower Enclosure | $4,500 – $12,000 |
| Walk-In Shower Installation | $4,500 – $12,000 |
| Tub-to-Shower Conversion | $3,500 – $10,000 |
| Shower Replacement | $3,000 – $8,500 |
| Bathroom Remodel | $9,000 – $28,000 |
What drives the final number in Sunnyslope is almost always the condition of the rough opening and the curb, not the glass itself. If we have to reframe a jamb or re-pour the curb before hanging panels, that work adds cost up front and saves you a leaking door that never closes right later. Every estimate is free and written line by line for our Mr-Glass repair in Glen Avon and Sunnyslope service area. If you want a real number for your specific bathroom, call (877) 688-9930 and we’ll walk it through with you.
Serving Sunnyslope, CA — Our Local Coverage Area
We’re based in the Sunnyslope 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 Sunnyslope
Yes, potentially. If your Sunnyslope property is on the floodplain side of town and the project moves a wet wall or rebuilds the curb, the county may require flood-control review before you get a final inspection sign-off. We sequence the glass install around that sign-off so we don’t have to pull finished work apart later. Call (877) 688-9930 if you’re unsure whether your address falls in the review zone, and we’ll check it before you spend a dollar.
Usually not. A sagging 3/8-inch door is typically a hinge problem, not a glass problem. The pivot hardware loosens with Sunnyslope’s summer heat cycles and wall movement, and the door drops out of plumb. We replace the OEM hinges and reset the door’s alignment, which costs a fraction of a new enclosure. If the panel itself is chipped or delaminated, that’s when replacement makes sense. Call (877) 688-9930 for a straight answer on your door.
Santa Ana winds carry fine grit from the river corridor into older Sunnyslope homes, and that dust packs into the track and rollers on bypass enclosures. The wheels start grinding against the grit, and the panels get scratched. The fix is pulling the rollers, cleaning or replacing them with OEM parts, and re-setting the track. If the glass itself is scored badly, replacement may be the better move. Call (877) 688-9930 and we’ll look at what you have before suggesting anything.
Yes, but we fix the opening first. A stock Mr-Glass kit will not sit flush in a rough opening that’s drifted 3/4-inch out of square, and forcing it leads to leaks and a door that never closes right. We reframe the jamb and re-pour the curb as needed, then hang the panels to spec. The glass install is the easy part once the structure is right. Call (877) 688-9930 for a free assessment of your opening.
The seals will not melt, but the constant heat and dry air plus hard local water will bake silicone sweeps and gaskets until they harden and crack years earlier than they would in a coastal climate. Leaks at the tile line are usually that, not a glass failure. We replace the sweeps and gaskets with correct Mr-Glass spec parts and re-seal the joint. If you’re noticing water outside the enclosure, call (877) 688-9930 and we’ll diagnose it.
Service Areas Near Sunnyslope
We provide Mr-Glass service across the Jurupa Valley and surrounding areas, including Corona, Norco, La Verne, Montclair, and Claremont. If you’re outside those areas, check our Sunnyslope service area page or ask when you call. If you’re comparing notes on a project, our Mr-Glass sales & service page covers the range of what we handle.
Book Your Mr-Glass Service in Sunnyslope Today
If your Mr-Glass enclosure is sagging, grinding, leaking, or not yet installed, call Square One Builders at (877) 688-9930. We’ll set up a free, no-obligation estimate for your home in Sunnyslope and give you a written, line-by-line quote. If you want to look at our work, find the Mr-Glass service in Riverside page or the Mr-Glass service in Rubidoux page for nearby project notes. Start from square one, build it right.
Written by Brent Calloway, Owner & General Contractor at Square One Builders, serving Sunnyslope since 1996.