Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Fast, Reliable Window Installation Across Los Gatos
Window installation in Los Gatos runs between $600 and $2,800 per opening for most homes, depending on the unit type, frame condition, and whether your property sits in the Town’s Wildland-Urban Interface (WUI) zone. That WUI designation matters more than most homeowners realize: it adds ignition-resistant glazing requirements and a county plan-check step that a standard San Jose or Campbell permit package doesn’t include. We work in Los Gatos weekly, from the flats near downtown to the hillside streets off Kennedy Road, so we know what the Town of Los Gatos building department expects before the first old sash comes out. If you’re pricing a project, call (817) 686-2228 and we’ll give you a written line-item estimate, no charge.

Why Meridian Windows & Doors Is Los Gatos’s Preferred Window Installation Company
Our on-time rate in Los Gatos is something we track, not something we claim. When we schedule a measure on a home near Daves Avenue or off Los Gatos Boulevard, the technician shows up in a marked van, in uniform, background-checked, and carrying a printed work order. Homeowners tell us the same thing after the job: the crew left the site cleaner than they found it and the price on the original quote matched the final invoice to the dollar.
We’re part of the Garrison Partners network, held to The Garrison Standard since 2009. That standard is a written code covering conduct on a job site: floors protected, trim pulled and disposed, old units hauled off, no change orders without a signed acknowledgment from you first. Every Los Gatos installation gets a written price before work starts and is covered by our 365-Day Done Right Promise. If something fails within that year, we return at no charge. No labor exclusions hidden in fine print, no callback runaround.
Elliot Vance leads our Bay Area operations out of the San Francisco Bay Area office, and his name goes on the paperwork. A meridian is a fixed line you measure everything against, and that’s how we run every install in Los Gatos.
Window Installers in Los Gatos
Window installers in Los Gatos do more than pop out an old sash and screw in a new one. The job here means pulling the interior and exterior trim, exposing the rough opening, checking for dry rot in the jamb and sill, correcting any framing that’s gone soft, flashing the opening to Town code, setting the new unit square and plumb, insulating the perimeter, reinstalling trim, caulking, and hauling away the debris. A two-person crew typically handles two to five openings per day in Los Gatos depending on access, stucco cuts, and what the rough opening reveals. Single-window replacements in Los Gatos run $600 to $1,400 installed for typical double-hung units; casement and special-ordered units push higher.
What We Check Before the Unit Goes In
Every Los Gatos opening gets inspected for hidden jamb and sill rot before we order the replacement. Homes built in the 1950s through 1970s, especially up near Blossom Hill and around the Alta Vista neighborhoods, tend to have water-intrusion damage that no one sees until the old window is out. We also measure the opening in three places, because settling in the hillside areas can leave rough openings out of square by a half inch or more.
Paperwork That Goes With the Job
For Los Gatos, the permit package includes standard Title 24 energy compliance documentation and, for homes in the WUI overlay, a wildfire-resistant construction checklist covering glazing and venting. We prepare the submittal, file it with the Town, and stay on the schedule until the inspector signs off. Missing the WUI checklist is the most common reason Los Gatos plan-checks get kicked back, and we don’t let that happen.
Casement Windows in Los Gatos
Casement windows in Los Gatos are a practical upgrade for the area’s hillside homes, where evening cross-breezes off the Santa Cruz Mountains make a full-swing vent worth the added cost. A casement hinges at the side and cranks outward, sealing tighter against air infiltration than a sliding or double-hung unit. In Los Gatos, casement replacement typically runs $900 to $2,200 per opening installed, with the higher end reflecting custom sizing, wood-interior finishes, or egress code requirements on bedrooms. West-facing elevations in the hills put direct afternoon heat on the frame and glazing, which makes a well-built casement with low-E coated glass a stronger long-term choice than a basic sliding unit.
Old Ranch Openings, New Casements
Many Los Gatos ranch homes from the 1950s and 1960s were built with narrow aluminum sliders that don’t meet today’s egress rules in sleeping rooms. Swapping to casements changes the rough opening width in many cases, which means reframing the opening, matching stucco on the exterior, and interior trim work. We quote that work in writing before the first cut, so the final invoice doesn’t shift at the door.
Hardware and Glazing That Last
On Los Gatos homes we spec casement hardware rated for repeated use, and for WUI-zone projects we use multi-pane or tempered glazing where the Town’s ignition-resistant checklist requires it. We also discuss solar heat gain coefficient (SHGC) for south- and west-facing casements before you pick a line item. The wrong glazing on a west-facing bedroom in Los Gatos leaves the room noticeably hotter by 4 p.m. from May through October.

Trusted Brands We Service in Los Gatos
We’re authorized to install and replace products from eight manufacturer lines, and we don’t push one brand because it’s sitting in a warehouse. For Los Gatos homes we frequently spec PGT for impact-rated and WUI-compliant glazing, ViewLux for clean architectural lines on modern hillside homes, and CGI or CWS where the homeowner wants a premium frame with exacting tolerances. Stocking local parts matters on service calls, and we keep common balancers, handles, and rollers for these lines staged for Los Gatos routes. If a unit fails under warranty or within our 365-Day Done Right Promise, we can typically order the part without a cross-country delay.
Common Window Installation Problems We See in Los Gatos Homes
- Hidden jamb and sill rot. Los Gatos homes from the 1950s through the 1970s, particularly along streets like Bacigalupi Drive and in the Glenridge area, often have wood degradation behind the trim. A “simple swap” quote grows once the old unit is out and the soft framing is exposed.
- WUI plan-check kickbacks. Submittals missing the Santa Clara County WUI construction checklist or Title 24 forms get rejected by the Town of Los Gatos, pushing the install calendar weeks past what the homeowner expected. We file complete packages the first time.
- Thermal mismatch on west and south elevations. Choosing a unit for appearance alone without checking SHGC and low-E specs leaves uncomfortable rooms in Los Gatos afternoons. We review elevation orientation before you commit to a product line.
- Out-of-square rough openings on hillside lots. Settling on sloped Los Gatos properties can leave openings an eighth to three quarters of an inch out of square. Installers who don’t measure in three places end up shimming excessively or forcing the frame, which leads to stress cracks in the glass and failed seals within a year or two.
Pricing for Window Installation in Los Gatos, CA
Most single-window replacements in Los Gatos run $600 to $1,400 installed for a standard double-hung. Casement, picture, bay, and bow units run higher: $900 to $2,200 for casements, $1,200 to $3,000 for picture windows depending on glazing, and $3,500 to $8,000 for a full bay or bow assembly with framing. What moves the number: the condition of the rough opening, whether the home is in the WUI overlay requiring ignition-resistant glazing, stucco repair around the new frame, and whether the old unit was a non-standard size that now requires a custom order. Estimates are free, they’re line-itemed, and they’re sent to you in writing before you sign anything. Call (817) 686-2228 and we’ll walk the house with you in Los Gatos, measure every opening, and give you a hard number.
We Also Serve Cities Near Los Gatos
Our Window Installation team routes to Los Gatos weekly, and we run the same crews into Saratoga, Campbell, Cupertino, and Santa Clara. The permit process and WUI rules differ from city to city, and we handle the paperwork for each jurisdiction. If you’re in a neighboring town and comparing estimates, read through our Window Installation in Los Gatos page to see how we scope and price work in the South Bay. Then call for a written quote.
Serving Los Gatos, CA - Our Local Coverage Area
We’re based in the Los Gatos 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 Installation in Los Gatos
Yes. The Town of Los Gatos requires a building permit for window replacement, and homes in the Wildland-Urban Interface overlay also need a WUI construction checklist covering ignition-resistant glazing and venting details. We prepare and file the complete permit package for you, including Title 24 energy compliance forms, and we don’t start the install until the plan-check clears. Call (817) 686-2228 and we’ll check your property’s WUI status before you pay for anything.
The big drivers are the unit type and size, the condition of the rough opening, whether stucco repair is needed around the frame, and whether WUI requirements add ignition-resistant glazing. A standard double-hung in Los Gatos costs $600 to $1,400 installed; a casement runs $900 to $2,200. Hidden rot adds labor and materials once the opening is exposed, which is why we quote after inspecting the frame, not before. For a written, line-itemed price on your specific openings, call us for a free measure.
Because some contractors price the visible window only, while others price the full job: permit fees, WUI checklist compliance, flashing, trim restoration, stucco repair, and disposal. A low quote that skips the permit and WUI paperwork leaves you with an unpermitted install and a failed resale inspection later. Our Los Gatos quotes list every line item, including the permit and the glazing spec, before you sign.
Yes. We replaced eight original single-pane double-hungs in a 1962 ranch on Bacigalupi Drive near Los Gatos High with PGT aluminum-clad casements, including low-E glass and a laminated interlayer on the two egress windows. The crew rebuilt the jambs with rot-resistant stock and the Town inspector signed off on the WUI checklist on the first pass. Your opening sizes will likely change, and we handle the reframing, stucco match, and trim work as part of the written quote. Call (817) 686-2228 for a free estimate on your home.
For standard in-stock units, plan on two to four weeks from signed contract to final inspection. Custom sizes, WUI-required glazing, or plan-check corrections can stretch that to six to eight weeks. We give you a written schedule with the estimate, and we call the Town of Los Gatos to track the permit status rather than leaving you to wonder when the inspector will show. Our phone is answered by a live person 24 hours a day if you want a status check.
If you’re ready to get a real number on your Los Gatos window project, call Meridian Windows & Doors at (817) 686-2228. We’ll schedule a free measure, walk every opening with you, and deliver a written price that covers the full job: permit package, WUI compliance where it applies, installation, trim, and disposal. The price goes on paper before any work starts, and it doesn’t move at the door.
Written by Elliot Vance, Owner at Meridian Windows & Doors, serving Los Gatos and the South Bay.










Before
After
Before
After
Before
After