Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Fast, Reliable Window Replacement Across Richmond
Window replacement in Richmond means dealing with two things most other East Bay cities don’t: salt air and 1940s wartime construction. We know both. Westlight Windows & Doors has been replacing windows since 2009, and the homes here, especially in the Iron Triangle, Shields-Reid, and Point Richmond, tell a very specific story: steel casement frames rusted through at the corner welds, wood sills delaminating from years of bay moisture, and seals that fail far sooner than they should. If you’re looking at foggy glass, a window that won’t open, or a frame that’s flaking rust onto your sill, call (903) 354-7134. We’ll give you a written price before any work starts, and we’ll show up in the window we gave you.

Why Westlight Windows & Doors Is Richmond’s Preferred Window Replacement Company
Most window companies treat Richmond like any other Bay Area suburb. We don’t. Our crews work Richmond neighborhoods every week, so when a homeowner on Macdonald Avenue or a block off Carlson Boulevard calls about a rusted steel casement, we already know what we’re walking into. We’ve replaced original windows in 1943 wartime cottages near the Iron Triangle where the frames were rusted solid at the corner welds and the sills had turned to sponge. That’s not a surprise to us anymore. It’s the default.
Richmond homeowners call us because we answer the phone. A live person picks up 24 hours a day, seven days a week, not a voicemail box. Every technician who comes to your door is background-checked and uniformed, so you know exactly who’s walking in. And every job, whether it’s a single sash replacement in San Pablo or a full-frame job in Point Richmond, gets the Kingswell Guarantee: a written price before any work begins, a committed arrival window, a clean job site, and a written guarantee on the completed work. If the repair fails within the guarantee period, we come back and fix it at no charge. That’s the Kingswell Way: say the price before the work, show up in the window we gave, leave the place cleaner than we found it, put the guarantee in writing, and come back if it fails.
We’re an independently owned and operated Kingswell location led by Owen Satterfield. Dispatch and scheduling are coordinated from the brand’s San Francisco Bay Area office, but the crews serving Richmond are local and know these streets.
Window Sash Replacement in Richmond
Window sash replacement in Richmond is often the smartest fix for wartime-era homes where the frame is still square but the moving part of the window, the sash, has failed. In Richmond’s 1940s cottages, we routinely see sashes whose steel or early aluminum has corroded at the corners, making them impossible to open or seal against wind-driven moisture off the bay. A typical sash replacement in Richmond runs $350-$700 per sash installed, depending on material and whether we’re matching an existing style or upgrading to vinyl or composite. You get a written price before we order anything.
When a Sash Replacement Makes Sense
If your window frame is solid and sits square in the rough opening, but the sash itself rattles, leaks, or won’t operate, you don’t need a full-frame replacement. Replacing just the sash keeps your interior trim and exterior siding intact, which matters a lot in Richmond’s older homes where matching paint lines and stucco texture is difficult and expensive. It’s also faster: most sash replacements are done in a day.
What We Check Before Recommending a Sash Replacement
In Richmond, salt air hides damage. We check the sash’s corner joints for rust-through, the glazing putty or gasket, the hardware tracks, and the sill’s drainage path. On wartime cottages especially, a sash that looks fine from inside is often rusted at the bottom rail where fog and marine moisture collected for decades. We’ll show you what we find and give you a written line-item price before any work starts.
Window Glass Repair in Richmond
Window glass repair in Richmond is one of the most requested services we do, and for good reason: the insulated glass units in windows facing the bay lose their seal faster than almost anywhere else in the East Bay. When the seal goes, the glass fogs between the panes. We repair glass in Richmond on both modern double-pane units and the original steel casement windows still in many wartime homes. A typical insulated glass unit replacement in Richmond runs $180-$420 per unit installed, depending on size and glass type. Single-pane glass in older sash frames runs $120-$250 per pane. You’ll get your exact price in writing before we start.
Fogged Glass and Failed Seals
If your Richmond window looks foggy or streaky even after cleaning, the insulated glass unit has failed. Salt-laden bay air accelerates seal failure, particularly on the western side of town from Point Richmond down through the Marina Bay area. Replacing the glass unit, rather than the whole window, is often the right call when the frame and sash are still structurally sound. We install new low-e glass, a thin coating that reflects heat back into the room in winter and out in summer, and we seal every jamb properly.

Repairing Glass in Original Steel Casement Windows
Yes, we can often replace just the glass in Richmond’s original steel casement windows, provided the steel frame itself hasn’t rusted through at the corners. If the frame is solid, we remove the old glazing, install new glass with proper setting blocks and glazing tape, and reseal. But if the steel is rusted through, especially at the corner welds, glass replacement alone won’t fix the window. The frame will keep letting moisture in. We’ll tell you straight which situation you have and give you a written price either way.
Trusted Brands We Service in Richmond
We carry eight manufacturer lines, so we match the product to the job rather than forcing a job to fit one brand. For Richmond’s coastal exposure, we often specify CWS units with laminated glass interlayer and low-e coatings, because they hold up against salt air and knock down street noise from 23rd Street or San Pablo Avenue. We also install PGT and CGI impact-rated windows for homes near the waterfront where wind-driven moisture is a constant, and ViewLux for homeowners who want a clean, modern vinyl replacement at a mid-range price. We stock local parts for fast turnaround on Richmond jobs, so you’re not waiting weeks on a single sash or glass unit.
Common Window Replacement Problems We See in Richmond Homes
- Rust-through at corner welds on steel casement windows. Richmond’s 1940s wartime cottages in the Iron Triangle and Shields-Reid were built fast, with minimal-spec steel windows. Salt-laden bay air rusts the corner welds and weld flanges completely through, making the window impossible to operate or seal.
- Delamination of wood sills from bay moisture. Point Richmond and other western-facing neighborhoods get persistent marine fog and wind-driven moisture, which soaks into wood sills for months at a time. The wood delaminates and softens, and a new window won’t seal correctly against it.
- Failed insulated glass unit seals. Richmond’s fog and salt air wear out IGU seals years faster than in inland cities like El Cerrito or Albany. We see fogged glass in Richmond windows that are only six or eight years old.
- Undersized rough openings from wartime construction. The 1940s cottages here were never designed for modern dual-pane units. Rough openings are often out of square or smaller than standard, so replacement units need proper jamb reinforcement and shim work, not just a drop-in install.
Pricing for Window Replacement in Richmond, CA
Window replacement in Richmond typically runs $550-$1,100 per window for a standard vinyl insert installed, depending on size and glass package. Full-frame replacement runs $900-$1,800 per window. If you’re replacing original steel casements in a wartime cottage, expect the higher end of those ranges because we’re re-framing the opening to square it and adding marine-grade sealant and reinforcement. That’s the coastal-spec difference: cheaper inland-spec work might cost $100-$200 less per window up front, but on Richmond’s western side, those windows fail, fog, or rust within a decade. We give you a written price before any work starts, and that price does not change at the door. Call (903) 354-7134 for a free estimate.
We Also Serve Cities Near Richmond
Our Window Replacement crews work throughout Richmond and the surrounding communities. We serve homeowners in San Pablo, El Cerrito, El Sobrante, and Albany. If you’re in one of those cities and dealing with fogged glass, rusted steel casements, or drafty wartime-era windows, give us a call. We coordinate scheduling from our Bay Area office and dispatch local crews to your neighborhood.
Serving Richmond, CA - Our Local Coverage Area
We’re based in the Richmond 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 About Window Replacement in Richmond
Because those windows were never built for salt air. The Iron Triangle’s wartime cottages were constructed in the early 1940s with quickly-built, minimally-specified steel casement windows that rust through at the corner welds and weld flanges. Add in decades of salt-laden bay air and persistent marine fog, and the rust cycle is far faster than in sheltered inland East Bay cities. Call (903) 354-7134 and we’ll come assess your frames and give you a written price for repair or replacement, free.
It corrodes steel and aluminum faster, delaminates wood sills, and degrades insulated glass seals sooner. In Richmond, we specify marine-grade sealants, stainless or corrosion-resistant hardware, and laminated glass interlayers that inland cities like San Pablo or El Cerrito don’t always need. That’s why a coastal-spec Richmond job costs slightly more up front but lasts far longer. Call (903) 354-7134 for a free estimate with exact numbers.
Composite or vinyl double-hung units with low-e glass and laminated interlayer are the most common replacements we install, typically CWS or ViewLux, because they hold up against salt air and don’t rust like the originals. Every opening gets jamb reinforcement and marine-grade sealant. For a free written quote on your cottage, call (903) 354-7134.
Yes, if the steel frame is still structurally sound, we replace only the glass and reseal the unit. If the frame has rusted through at the corner welds, which is common in Richmond’s wartime homes, glass replacement alone won’t fix it and the window will keep leaking. We’ll show you what we find and give you a free written estimate either way. Call (903) 354-7134.
Because the inland-spec hardware and sealants fail early in salt-laden bay air. Cheap steel fasteners rust, unsealed jambs wick moisture, and standard IGU seals fog within a few years. Repairing that early failure costs more than the difference between a coastal-spec and an inland-spec job in the first place. We give you a written price up front, so you can compare straight across. Call (903) 354-7134 for a free estimate.
Written by Owen Satterfield, Owner at Westlight Windows & Doors, serving Richmond since 2009.










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