Window Replacement in San Lorenzo, CA | Juniper Windows & Doors - Juniper Windows & Doors

Window Replacement in San Lorenzo - Free In-Home Measure, Written Price

Free in-home measure and an exact written price before anything is ordered. Energy-rated units, professional installation by our own crews, and a workmanship warranty on the install.

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Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style

Styles & brands we work with

Single hung
Single hung
Double hung
Double hung
Horizontal roller
Horizontal roller
Casement
Casement
Bay & bow
Bay & bow
Sliding glass doors
Sliding glass doors
Entry doors
Entry doors
Impact garage doors
Impact garage doors
PGT
PGT
CGI
CGI

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Recent Project
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Full Restoration
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Complete Upgrade

Fast, Reliable Window Replacement Across San Lorenzo

Window replacement in San Lorenzo typically runs $850 – $1,400 per window for a standard vinyl retrofit, and $1,200 – $2,100 per opening for a full-frame tear-out on older ranch homes. Most jobs wrap up in one to three days once materials land. If you’re dealing with fogged glass, rotted sashes, or tired aluminum frames near Hesperian Boulevard or the San Lorenzo Community Center, call us at (682) 281-2168 and we’ll get you a written price before anything starts. Juniper Windows & Doors has been installing windows across the Bay Area since 2001, and we know exactly what San Lorenzo homes need when the marine layer rolls in.

Call (682) 281-2168

Our Window Replacement team works throughout San Lorenzo, from the mid-century tracts off Paseo Grande to the newer infill near Via Granada. We field-measure every rough opening ourselves. No guessing, no stock-size gambling, no reorder delays that leave a hole in your wall for three weeks.

Why Juniper Windows & Doors Is San Lorenzo’s Preferred Window Replacement Company

San Lorenzo homeowners keep calling us back for one reason: the number we write down is the number you pay. Every San Lorenzo window job gets a written price before a single screw turns. No vague estimate that morphs into a surprise invoice at the door. That’s the 365-Day Done Right Promise, and it’s in writing on every project we do in San Lorenzo.

Sean Mackey leads our team, and he’s built the whole operation around visibility. When you book with us, you get a live arrival time you can track, before-and-after photos of the actual work, and a digital invoice you can pay from your phone. Our technicians are background-checked and uniformed, so you know exactly who’s at your door on a Tuesday morning in San Lorenzo.

If a repair fails within a year, the second visit is free. No charge, no argument. That’s a San Lorenzo-specific promise we put in writing. And when you call (682) 281-2168, a live person picks up. Every time. 24/7. No voicemail maze, no callback queue, no phone tag.

Window Glass Repair in San Lorenzo

Window glass repair in San Lorenzo usually costs $190 – $380 per pane, and it’s the right call when a single pane is cracked, fogged, or scratched but the frame and sash are still square and solid. San Lorenzo’s marine-layer fog accelerates seal failure in insulated glass units, especially on west-facing windows that catch afternoon sun after a damp morning. We replace just the glass, not the whole window, which saves San Lorenzo homeowners $400 – $800 per opening compared to a full replacement.

Fogged and Failed-Seal Glass

When the seal between two panes fails, moisture gets in and you see that permanent haze. We see it constantly in San Lorenzo ranch houses built in the 1950s and 60s. Sean Mackey’s crew removes the failed insulated glass unit, verifies the sash is still dimensionally stable, and drops in a new Low-E unit matched to the exposure. West-facing glass in San Lorenzo gets a lower Solar Heat Gain Coefficient to cut summer glare.

Cracked and Impact-Damaged Panes

Kids play baseball in San Lorenzo backyards. Branches come down in winter storms off the Bay. A cracked pane isn’t a full replacement; schedule just the glass. The repair takes under an hour per window once the replacement glass is in hand, and we stock common sizes for San Lorenzo’s tract-home stock so turnaround is fast.

Window Pane Replacement in San Lorenzo

Window pane replacement in San Lorenzo runs $220 – $420 per pane when the frame is intact but the glass itself is compromised. The difference from glass repair is scope: pane replacement typically means the entire glass unit including any low-E coating, gas fill, and interlayer is being swapped. San Lorenzo homeowners need this when one pane fails but the window still opens, closes, and seals against the jamb correctly.

Single-Hung and Double-Hung Panes

Older San Lorenzo tract homes lean hard on double-hung windows with removable sashes. When the lower pane fogs or cracks, we pull the sash, clean the glazing channel, and set a new pane with fresh glazing compound. You keep the original wood or aluminum frame. It’s the cheapest path to a clear view without disturbing surrounding trim or interior drywall.

Fixed and Picture Window Panes

San Lorenzo homes with large fixed picture windows facing the western hills need pane replacement that accounts for heat gain. We match the replacement pane’s SHGC to what the original should have been, or upgrade it slightly if the old glass was uncoated. This keeps the room livable on hot afternoons without replacing the entire fixed frame.

Trusted Brands We Service in San Lorenzo

Juniper Windows & Doors stocks and installs eight product lines, and for San Lorenzo homes we regularly work with CGI, CWS, and ES Windows. CGI’s impact-rated glass carries Florida Product Approval but translates well to Bay Area coastal conditions, CWS offers the low-E coatings that handle our marine layer, and ES Windows gives San Lorenzo homeowners narrow sightlines with strong thermal performance. We stock local parts for all three, so a San Lorenzo replacement doesn’t sit for weeks waiting on a warehouse somewhere in the Central Valley. If you have a different brand in your home now, call us, we’ll match the glass spec and tell you honestly whether repair or replacement makes more sense.

Common Window Replacement Problems We See in San Lorenzo Homes

  • Marine-layer seal failure on west and south elevations. San Lorenzo sits just inland from the Bay, so morning fog soaks windows and afternoon sun bakes them. That cycle kills insulated glass seals years early, especially on single-pane-to-IGU retrofits done without proper low-E matching.
  • Rotted jamb and sash frames on 1960s ranch houses. Homes near the San Lorenzo Community Center and along Hesperian Boulevard were built fast, with trim that wicked moisture. By now, a lot of that wood is soft. Reusing a rotted jamb to hold a new insulated glass unit is a guaranteed re-work call, and we won’t do it.
  • Out-of-square rough openings in mid-century tracts. San Lorenzo’s original homes have settled. A stock double-hung drops into an opening that’s off by a quarter inch and ends up twisting. Then the seal fails inside a season, and the homeowner thinks the window was defective. We field-measure every opening, every time.
  • Wrong glass for the wrong exposure. Contractors who don’t understand San Lorenzo’s microclimate will install generic low-E on everything. The north side of a San Lorenzo house needs different glazing than the west side. One size fits all is how you end up with a dark living room and a stifling bedroom.

Pricing for Window Replacement in San Lorenzo, CA

A standard vinyl insert window replacement in San Lorenzo costs $850 – $1,400 per opening. Full-frame replacement on older homes runs $1,200 – $2,100 per window because we’re pulling the old frame, correcting any jamb rot, resquaring the rough opening, and installing new interior trim. Energy-efficient upgrades with low-E coated glass and argon fill add $150 – $300 per window. Labor in San Lorenzo’s market is steady, not inflated like some Peninsula zip codes, so you’re getting honest Bay Area pricing without the San Francisco premium. The final number depends on glass package, frame material, and how much jamb repair your specific openings need. Call (682) 281-2168 and Sean Mackey’s team will give you a written, line-item price before anything starts.

We Also Serve Cities Near San Lorenzo

Juniper Windows & Doors covers all of San Lorenzo plus the surrounding East Bay. We serve San Lorenzo and nearby homeowners in Castro Valley, San Leandro, Union City, and Oakland. Same written-price guarantee, same 365-Day Done Right Promise, same live-answer phone. If you’re a few miles from San Lorenzo, the math doesn’t change.

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

Why San Lorenzo Chooses Juniper Windows & Doors

We set the standard for window replacement in San Lorenzo.

Factory-Direct Pricing

Authorized partner pricing with no distributor markup - premium aluminum systems at wholesale-anchored rates.

Engineered to Order

Any shape, size, or specification, fabricated to your exact opening with one-on-one engineering support.

Certified Installation

Set level, plumb, and square to AAMA standards in San Lorenzo - warranty-safe, every time.

How It Works in San Lorenzo

Getting your window replacement handled is simple and fast.

1

Call or Request a Free Estimate

Tell us about your window replacement needs and we provide an upfront, transparent quote - no obligation, no hidden fees.

2

Licensed Technician Dispatched

A background-checked, certified technician arrives in San Lorenzo - typically within 30-60 minutes, with parts stocked on the truck.

3

Problem Solved, Guaranteed

We complete the job to your full satisfaction, backed by our warranty and 100% satisfaction guarantee.

What San Lorenzo Customers Say

Trusted by homeowners across San Lorenzo and surrounding areas.

★★★★★

"Front door looks great and shuts well. The threshold is sealed well and the lock lines up with the strike."

Rory F. · Verified customer
★★★★★

"Quote came in the app with options for glass. Easy to compare."

Vera L. · Verified customer
★★★★★

"Door replacement. Installer texted when on his way and finished by lunch. Tight and clean."

Neil B. · Verified customer

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Written Guarantee on Every Repair

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Free Second Visit if the Repair Fails

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Ready for Window Replacement in San Lorenzo?

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(682) 281-2168

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