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Window Company in Napa, CA
Meridian Windows & Doors is the window company Napa homeowners call when they want the job priced on paper before it starts, performed by a uniformed crew that shows up on time, and backed in writing for a full year. Most single-window replacements in Napa run $600 – $1,200 installed depending on the frame material and glass package; patio door installation typically falls between $1,800 and $4,500. We stock eight manufacturer lines and serve every neighborhood from Browns Valley to Alta Heights. Call (817) 686-2228 and a live person answers, any hour.
Why Napa Homes Are Different
Napa’s housing stock spans three distinct generations, and each one changes how a window or door job goes in. The Victorians and bungalows near downtown carry original wood sashes that have moved with decades of summer heat and winter rain; a replacement there often means custom sizing and careful trim matching rather than a stock unit dropped into a rough opening. The mid-century ranch houses in Alta Heights and along Jefferson Street tend to have aluminum-frame sliders and single-pane glass that Napa’s summer sun turns into a heat pump. And the newer construction east toward the Silverado Trail uses stucco exteriors and wider openings that call for precise flashing details to keep wind-driven rain out of the wall cavity. Napa’s climate does the real work: summer afternoons regularly sit in the high 80s and low 90s, and the diurnal swing between warm days and cool valley nights stresses seals, caulk, and weatherstripping faster than in a coastal town. If you live up against the western hills in Browns Valley or off Dry Creek Road, you also get more afternoon sun on west-facing glass, which drives the case for low-E coatings (a thin layer that reflects heat while letting light through). Permits in the city of Napa generally apply to full window replacements and structural door openings, not to insert installations into existing frames, but we pull what is required and hand you the signed inspection card when the job closes.
Our Main Napa Services
Most Napa homeowners call us for two things: full-frame window replacement when old units have failed, and new patio doors when a slider sticks or leaks. Each has its own Napa page with the specific pricing, lead times, and local conditions that affect the work.
Window Replacement in Napa
Replacement means pulling the old unit down to the rough opening and installing a new window that fits the actual hole, not the frame that used to be there. In Napa that matters because older homes have settled; a 1970s ranch off Trancas Street rarely has perfectly square openings anymore. We order each unit to the measured opening, so the install is tight and the stucco or siding gets flashed properly. See the full breakdown on our Window Replacement in Napa page.

Window Installation in Napa
Installation covers new construction and additions, where there is no existing window to remove. Napa’s newer builds use stucco and the occasional wood siding, and the installation detail changes with each. We coordinate with your framing schedule, set each unit level and square, and flash it so water moves away from the opening rather than into it. The Window Installation in Napa page has the full scope and pricing.

Patio Door Installation in Napa
Patio doors in Napa take a beating from south-facing sun and valley wind. A slider that binds or a hinge door that drags is usually a combination of heat expansion and frame shift over time. We install hinged and sliding patio doors from Therma-Tru and other lines we carry, and we pay close attention to the threshold and sill pan because that is where Napa’s winter rain finds its way in if the flashing is wrong. Details are on the Patio Door Installation in Napa page.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Brands We Service in Napa
We are authorized to install and replace products from CGI, CWS, ES Windows, and ECO Window Systems, among the eight lines in our portfolio. Common components are stocked in the Bay Area; less standard parts come direct from the manufacturer, usually within a week. See our brands for the complete list.
Pricing for Window Company in Napa, CA
| Service | Typical range in Napa |
|---|---|
| Aluminum window replacement | $350 – $800 per unit |
| Vinyl window replacement | $500 – $1,000 per unit |
| Wood window replacement | $800 – $2,000 per unit |
| Fiberglass window replacement | $900 – $1,800 per unit |
| Standard window installation (new construction) | $400 – $1,200 per opening |
| Custom window installation | $1,200 – $3,500 per opening |
| Sliding patio door installation | $1,800 – $4,500 |
| French patio door installation | $2,500 – $6,000 |
| Standard glass replacement | $200 – $500 per pane |
| Low-E / insulated glass replacement | $350 – $800 per pane |
| Window seal repair | $150 – $450 per unit |
| Sliding door track repair | $200 – $600 per door |
Custom sizes and wood interiors push the price toward the upper end of each range; so do second-story installs that require ladder work and jobs on homes with stucco that needs patching after the new unit is set. Every price goes onto a written line-item quote before any work starts, and the number does not move at the door.
Neighborhoods We Serve in Napa
Our crews run all over Napa, and we quote every job on its own measurements rather than a zip code. Whether the home is a 1930s bungalow near Fuller Park or a newer build off Big Ranch Road, the process is the same: measure, price on paper, install, and stand behind it for 365 days. Typical response for an estimate is one to two business days.
- Browns Valley
- Alta Heights
- Fuller Park
- Westwood
- Silverado Trail corridor
Service Area – Cities Near Napa
Meridian Windows & Doors serves Napa and the surrounding communities. Dispatch and scheduling are coordinated from our San Francisco Bay Area office, and crews work locally throughout the valley. We also serve Deer Park, CA, Boyes Hot Springs, CA, Sonoma, CA, and Winters, CA.
Serving Napa, CA - Our Local Coverage Area
We’re based in the Napa 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 Company in Napa
We typically schedule estimates within one to two business days. When you call (817) 686-2228, a live person answers and books the visit directly; we confirm the time in writing so there is no wondering whether the crew will show.
We pull permits whenever the City of Napa requires them, which is generally for full-frame replacements and structural openings. Insert replacements into existing frames usually do not require a permit, but we will tell you exactly what applies to your specific job before any work begins.
No. The price goes on paper before any work starts, and it does not move at the door. If the project scope changes because you ask for something different, we re-quote in writing before that additional work begins. Call (817) 686-2228 for a free estimate.
What happens when you call
- 1A real person answersNo phone trees - talk to a local windows & doors pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Napa Customers Say
"Quoted fairly with the glass package explained. No hard sell."
- Gloria B."Good windows. One came with a scratch, so they reordered the sash. It took two weeks but they fixed it free."
- Otis M."Straight talk, on time, and clean. Four windows done by early afternoon and the old frames were hauled away."
- Ed S.










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