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 Foster City, CA | Seaside Contractors
We service Mr-Glass windows, sliding doors, and patio enclosures across Foster City, from the lagoon-front ranches to the 1960s townhome clusters. If you need a General Contractor in Foster City who understands local soil conditions, we’re here to help. What makes our work here different is simple: we start every Mr-Glass repair by checking whether your opening has shifted. Most contractors in neighboring cities never think to do that, but Foster City sits on engineered fill, and the ground moves. Call (833) 589-8103 for a free estimate.
Seaside Contractors is an independent Mr-Glass service provider. We’re not manufacturer-affiliated or authorized, which means when we tell you a roller needs replacing or a frame can be saved, that call is based on what’s actually happening in your home, not a warranty playbook.
Why Foster City Residents Choose Us for Mr-Glass Service
We work on Mr-Glass products every week in Foster City’s housing stock, which is overwhelmingly late-1960s to 1970s ranch homes and lagoon-side townhomes. That matters because those original installations are now fifty-plus years old, and the marine air here has been working against them the whole time. Glen Sorrento, our owner, grew up in the Shell Cove neighborhood and has spent two-plus decades on the Peninsula seeing exactly how salt-laden fog and settling fill shorten the life of window and door hardware, including on jobs for Belmont Mr-Glass service customers. His line, and ours, is: “Let’s figure out what the job actually needs – then we’ll talk materials.”
We keep OEM Mr-Glass rollers, gaskets, and seals stocked for fast turnaround in Foster City, and when OEM isn’t available or makes no financial sense, we use aftermarket equivalents that hold up in salt air. We will never install a cheap knockoff that fails in two seasons. If you want Mr-Glass sales & service handled by a crew that actually understands the product, we’re your call.
Styles & brands we work with







Common Mr-Glass Construction Problems We Solve in Foster City
- Corroded aluminum rollers on Series 5000 sliding doors. Salt fog off the bay pits aluminum fasteners and rollers within a few years, especially on lagoon-front properties. The door starts binding, then water gets past the track. We replace with OEM-spec rollers and re-seal the track bed.
- Racked frames in 1960s – 70s fill-soil homes. As the original engineered fill consolidates, door and window openings shift slightly. A Mr-Glass frame that was square in 1972 may be a quarter-inch out now, and that’s enough to make seals fail and rollers grind. We check square before touching hardware.
- Rot behind the frame at the sill. High groundwater and lagoon moisture swell wood sills under Mr-Glass vinyl units. You won’t see it until the seal fails or the glass fogs. By the time it’s visible, the rot usually extends behind the frame.
- Embrittled weatherstripping and fogged panes on patio enclosures. Bay-driven wind loads plus constant UV exposure turn Mr-Glass weatherstripping and glazing gaskets brittle. The result is whistling drafts and condensation between panes. We can often replace the gasket without replacing the entire enclosure.
- Sticking or dropping Mr-Glass 300 Series vinyl windows. The balance system in these windows wears out, but in Foster City the bigger factor is often frame racking from settlement. We diagnose the actual cause before recommending repair or replacement.
Mr-Glass Service in Foster City: What Local Conditions Mean for Your Equipment
Foster City is a master-planned community built almost entirely on engineered fill over former tidal marsh. The land was dredged from San Francisco Bay in the 1960s and 70s, and it’s still settling. That’s the detail most people miss when they call about a Mr-Glass window that won’t latch or a sliding door that scrapes. In the Balboa Lane area, on a lagoon-side 1970s ranch, our crew traced a sticking Mr-Glass Series 5000 to a slightly racked opening from fill settlement, not just worn rollers. We re-squared the frame, replaced the corroded aluminum rollers with OEM-spec parts, and re-sealed with marine-grade weatherstripping. The door glides and locks cleanly now, despite the bay fog. If you live in any Foster City neighborhood built on the original fill, the first step on any Mr-Glass door or window complaint is checking square and sill level. Skip that, and you’ll replace rollers on a frame that will just eat them again.
That insight shapes how we work throughout Foster City service area calls. We don’t assume the hardware failed. We assume the building moved, then we figure out what that movement did to the product.
Mr-Glass Models & Products We Service in Foster City
We service the Mr-Glass Series 5000 sliding glass doors, the 300 Series vinyl windows, and the 1000 Series aluminum storefront and patio enclosures. These are the lines most common in Foster City’s original housing stock. Our parts approach is straightforward: OEM Mr-Glass rollers, gaskets, and seals when they’re available and priced sanely; high-quality aftermarket equivalents when OEM is discontinued or overpriced. We repair before we recommend replacement when the frame and glass are sound. When corrosion, rot, or racking has compromised the unit beyond reliable service, we say so plainly and walk you through your replacement options, including window replacement and impact-rated upgrades.
See the difference
Before
After
Before
After
Before
AfterMr-Glass Service Pricing in Foster City
Most Mr-Glass work falls into one of three scopes: a targeted repair, a full window replacement, or something larger like converting a garage into living space with Mr-Glass windows and doors. Here’s what those look like in this market:
| Service | Typical Range |
|---|---|
| Window Replacement | $4,500 – $15,000 |
| Impact Window Installation | $8,000 – $25,000 |
| Garage Conversion | $30,000 – $80,000 |
Your price depends on how many units, whether the openings have racked and need re-squaring, and whether you’re upgrading to impact-rated glass. A free estimate includes a check of the opening, the hardware, and the seal condition. Call (833) 589-8103 to schedule one.
Serving Foster City, CA — Our Local Coverage Area
We’re based in the Foster City area and know this community well, with regular San Mateo Mr-Glass service calls just minutes away. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – Mr-Glass Construction in Foster City
Foster City is built on engineered fill, so the ground under your home is still consolidating decades after construction. Openings shift slightly, which racks the door frame and makes even new rollers bind. We check square before recommending any parts. Call (833) 589-8103 and we’ll diagnose it correctly.
The marine air here corrodes aluminum fasteners and rollers and breaks down weatherstripping and glazing gaskets faster than inland air would. Lagoon-front homes get the worst of it. We use marine-grade replacement seals that hold up much longer.
Yes. We handle garage conversions in Foster City from framing through finish, including Mr-Glass window and slider installation. A conversion typically runs $30,000 to $80,000 depending on size and complexity. Call (833) 589-8103 for an exact quote, and yes, we pull permits.
They make solid sense if you’re replacing aging windows anyway. Impact-rated glass handles bay wind loads better and reduces the salt-fog corrosion problem at the frame because the seal package is heavier. Prices run $8,000 to $25,000 for a typical townhome.
If the frame is structurally sound and the opening hasn’t racked, we can often replace the insulated glass unit and remediate the sill rot. If the rot extends behind the frame or the frame is out of square, replacement is the honest call. Call (833) 589-8103 for a free look.
Service Areas Near Foster City
We work throughout Foster City and also serve Mr-Glass service in Half Moon Bay for coastal properties facing the same salt-air conditions. Further down the coast, Mr-Glass service in Highlands-Baywood Park covers homeowners dealing with similar marine exposure and aging window stock. If you’re in Watsonville, Pajaro, Freedom, Interlaken, Las Lomas, or Amesti, we can usually route a crew your way.
Book Your Mr-Glass Service in Foster City Today
If your Mr-Glass windows or sliding doors are sticking, fogging, or leaking, call (833) 589-8103. We’ll check the opening first, then the hardware. Estimates are free, and we’ll give you a straight answer on repair versus replacement.
Written by Glen Sorrento, Owner at Seaside Contractors, serving Foster City, Mr-Glass in Redwood Shores, and the Peninsula.