Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
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AfterFast, Reliable Window Replacement Across San Lorenzo
Window replacement in San Lorenzo comes with a specific set of challenges most contractors don’t mention until the old window is already out. The tract homes here, many built in the 1950s and 60s on bay mud, settle. That means rough openings aren’t square, sill plates rot behind stucco, and a straightforward sash swap can become a full-frame job once the jamb comes off. We know this because we work these streets every week. If you’re pricing windows along Hesperian Boulevard, in the Kenilworth tract, or around the Baywood area, call us at (817) 686-2228. We’ll give you a written price before any work starts, based on what’s actually behind your stucco, not a driveway guess.
Why Meridian Windows & Doors Is San Lorenzo’s Preferred Window Replacement Company
San Lorenzo homeowners tend to call us after a bad experience with someone else. They tell us about no-show crews, quotes that ballooned mid-job, or caulk lines that looked like they were applied with a putty knife in the dark. That’s exactly the kind of work we don’t do. Elliot Vance runs every San Lorenzo job to the same standard: the price goes on paper before we touch a window, and it doesn’t move at the door.
Our crews show up in uniform, background-checked, and they know the local housing stock. We understand that a 1954 ranch near the San Lorenzo Creek settled differently than a two-story off Paseo Grande. That’s not trivia; it’s what dictates the right window spec and the honest price. We’re part of the Garrison Partners family, which means every install is held to The Garrison Standard, a written code of conduct that covers how we protect your floors, how we clean up, and how we communicate if something goes sideways. Since 2009, that standard has kept our work straight.
We answer the phone with a live person. Not a voicemail loop. Not a call center script. You call, a human picks up, and you get answers. That matters when you’re trying to plan a replacement around a leaky unit facing the bay wind.
Window Repair in San Lorenzo
Window Repair in San Lorenzo often means dealing with more than a broken sash or a fogged pane. The marine air and bay-side wind push moisture into older wood frames, especially on east-facing elevations along Hesperian Boulevard and the neighborhoods below San Lorenzo High. Dry rot in the sill plate hides behind stucco and trim, and by the time you see the paint bubbling, the structural wood underneath may already be gone.
A typical San Lorenzo window repair runs $180 – $450 for a sash replacement, balance repair, or new weatherstripping. If rot has reached the rough opening, you’re into full-frame territory, which lands closer to $800 – $1,500 per opening depending on size and what’s behind the stucco. We’ll tell you which one you need before we start, not after.
Weatherstripping and Balance Work
Older double-hungs in San Lorenzo’s tract homes lose their friction and start rattling when the bay wind picks up. We replace the balance systems and install new weatherstripping so the sash seats properly and stops drafting. This is a same-visit repair in most cases, and we carry common hardware for older wood and aluminum frames on the truck.
Fogged Glass and Glazing Repairs
Fogged insulated glass units mean the seal failed. On a house near the water, that’s usually from years of thermal cycling against the marine layer. We replace the IG unit rather than the whole window when the frame is sound, which saves San Lorenzo homeowners $400 – $700 per opening compared to a full-frame replacement.
Window Replacement Company in San Lorenzo
A Window Replacement Company that knows San Lorenzo won’t quote you over the phone without talking about your foundation. That sounds odd, but it’s the truth. The bay mud under much of San Lorenzo expands and contracts with seasonal moisture, and older slab-on-grade homes shift just enough to rack window openings out of square. A replacement measured for a perfectly square opening won’t seat right, won’t latch, and will leave daylight at the corners.
We handle both insert replacements and full-frame replacements. An insert keeps your existing frame and costs less up front, typically $500 – $900 per window installed. A full-frame replacement involves pulling the entire old frame to the rough opening, re-shimming square, insulating, and waterproofing. In San Lorenzo, that runs $900 – $2,200 per opening depending on size, materials, and whether the sill plate needs repair. We’ll measure, tell you which path fits your home, and write the price down.
Insert Window Replacement
Inserts work when the existing frame is square and free of rot. We measure the opening at multiple points, check for level, and spec a window that fits without leaving gaps that foam can’t honestly fix. This is the most cost-effective route for San Lorenzo homeowners replacing windows for energy efficiency rather than structural failure.
Full-Frame Replacement
When the rough opening is racked or the sill is compromised, a full-frame replacement is the only honest fix. We pull the old frame, expose the rough opening, re-shim to square, and set the new unit with proper flashing and insulation. This is the job that separates a window that will still work in 20 years from one that starts leaking in three.
Trusted Brands We Service in San Lorenzo
We’re authorized to install and service products from CWS, ES Windows, and ECO Window Systems, alongside five other manufacturer lines. That matters in San Lorenzo because no single brand fits every house here. A mid-century ranch with wide stucco reveals wants a different frame profile than a 1980s two-story near the creek. We stock common replacement parts locally so San Lorenzo customers aren’t waiting on a two-week freight delivery for a balance or a sash lock. Tell us what you have, and we’ll tell you what it needs.
Common Window Replacement Problems We See in San Lorenzo Homes
- Racked rough openings from soil settlement. San Lorenzo sits on expansive bay mud, and homes from the 1950s and 60s have shifted. A rough opening that’s 3/8 inch out of square won’t accept a standard replacement without re-shimming, which is a full-frame job, not a sash swap.
- Dry rot behind stucco. The original sill plates on older tract homes along routes like Hesperian Boulevard are exposed to wind-driven rain, and the damage hides until the frame comes off. We always budget for potential sill repair on pre-1980 San Lorenzo homes.
- Fogged insulated glass on bay-side exposures. The marine layer and salt air shorten seal life on the west and southwest-facing elevations. Homeowners near the San Lorenzo shoreline area see failed seals more often than those a few blocks inland.
- Standard glazing spec’d on the wrong elevation. Windows facing the bay catch wind-driven rain, and standard low-E doesn’t address water intrusion. If your opening faces the prevailing weather, impact-rated or laminated glazing from ES Windows or CWS may be the right call.
Pricing for Window Replacement in San Lorenzo, CA
Most single-window replacements in San Lorenzo run $500 – $900 installed for an insert and $900 – $2,200 for a full-frame replacement, depending on size and materials. A three-bedroom ranch with eight to ten openings typically lands somewhere between $5,500 and $14,000 all-in when you’re doing the whole house at once. The variables are honest ones: whether the rough opening is square, whether the sill plate needs replacement, what glazing you choose, and whether the permit triggers a structural review. We don’t pad the price to cover unknowns. We measure carefully, write down the number, and if the old window comes out clean, you pay the written number. Call (817) 686-2228 for a free estimate with a real written price.
We Also Serve Cities Near San Lorenzo
Our crews work throughout the East Bay. In addition to Window Replacement in San Lorenzo, we handle full replacement and repair work in Castro Valley, San Leandro, Union City, and Oakland. Same crews, same written price, same standard. If you’re just over the line in any of those cities, call us and we’ll schedule the estimate. Our Window Replacement team covers the whole corridor, so you get the same disciplined crew whether the job is in San Lorenzo proper or a few blocks past the border.
Serving San Lorenzo, CA - Our Local Coverage Area
We’re based in the San Lorenzo 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 San Lorenzo
Yes, in most cases. San Lorenzo falls under Alameda County’s permitting jurisdiction, and window replacement that changes the opening size or involves structural repair requires a permit and inspection. A simple insert replacement with no structural work may not, but the moment the rough opening needs re-shimming or a sill plate gets replaced, you’re in permit territory. We handle the permit paperwork and schedule inspections as part of the job. Call (817) 686-2228 and we’ll tell you what your specific project triggers.
Because San Lorenzo’s soil moves. Your original quote was probably based on a driveway measurement that assumed the rough opening was square and the sill was sound. On older tract homes near the bay, that assumption fails often enough that a professional should plan for it. We don’t change the price at the door. We account for likely settlement and hidden rot in the written quote before we start, then verify once the old frame comes off. If it’s clean, you save money. If it’s not, it was already in the number.
For most San Lorenzo homes, standard low-E glass, which reflects heat while letting light through, is the right choice for energy savings and comfort. Impact-rated glazing matters when you’re facing wind-driven rain and flying debris, which is more of a concern on bay-side elevations and homes near exposed stretches. If your windows face the prevailing weather off the bay, especially on the west-facing walls, we’ll spec laminated or impact-rated units from CWS or ES Windows. Otherwise, standard low-E with a good frame seal does the job. We’ll walk you through the difference in person and price both options.
A typical insert replacement takes one to two hours per window once we’re on site. A full-frame replacement with sill repair runs four to eight hours per opening depending on the structural work. For a whole-house job of eight to ten windows, plan on two to four working days for full-frame work, plus inspection time if a permit is required. We give you a calendar in writing before we start, and we hit it. Call (817) 686-2228 for an exact timeline on your project.
Often yes. If the frame is square, the sill is sound, and the issue is mechanical or a failed seal, we can repair the window for less than a replacement. Common repairs in San Lorenzo include balance replacements, new weatherstripping, sash lock fixes, and insulated glass unit swaps for fogged panes. A repair typically runs $180 – $450 per window, where a replacement starts around $500. We’ll tell you honestly which one makes sense. Call (817) 686-2228 and we’ll take a look.
Written by Elliot Vance, Owner at Meridian Windows & Doors, serving San Lorenzo since 2009.