New windows and doors improve comfort, cut energy bills and add long-term value to your home. Meridian Windows and Doors San Francisco pairs proven product lines with our own installing crews for lasting performance - and a price we put in writing.
Choose your installer
The unit is half the job - the install is the other half. Our own background-checked crews measure, set, seal and insulate every opening, and they know the lines we quote inside and out because they install them every week.
Select the right products
Compare styles, materials and glass packages side by side until the fit is right for your rooms, your budget and your goals. The product-line comparison below is the place to start.
Prepare your home for install
Before install day we walk you through a short checklist - furniture pulled back, treatments down, a clear path to each opening - so install day is watch-it-happen, not scramble.
Compare the Lines We Quote
Every project is priced on the same lines, side by side - the price indicators below are relative, and your consultant shows exact numbers on your actual openings.
PGTThe line homeowners arrive naming - the most impact certifications in the industry$$$
- More impact certifications than any other line we quote
- WinGuard, EnergyVue and ClassicVue Max systems built for every wind zone
- 99% on-time delivery keeps your install date on the calendar
CGIThe heavyweight impact line$$$$$
- Large-missile impact ratings for the strictest wind zones
- Architectural-grade aluminum with commercial-depth frames
- The line we quote when protection is the whole point
CWSThe value pick$$
- Vinyl systems built to strict wind codes
- Strong energy packages at the friendliest price point
- The smart start for whole-home replacements on a budget
ESWSlim lines, big glass$$$$
- Narrow-sightline aluminum for modern elevations
- Oversized openings and floor-to-ceiling glass
- Impact-rated without the bunker look
ECOThe aluminum impact workhorse$$$
- Factory-built aluminum impact systems
- A strong price-to-protection ratio for coastal homes
- Proven inventory lines with short lead times
Fast, Reliable Patio Door Installation Across San Mateo
Patio door installation in San Mateo typically runs $2,400 – $5,800 for a standard sliding door replacement, and $7,500 – $18,000 when the opening needs structural repair, new framing, or an impact-rated upgrade. Most jobs take one to two days once permits clear. That’s the honest range, and the price goes on paper before we touch the wall. Call (831) 273-7126 for a free estimate, and we’ll send a tech who knows San Mateo’s hillside homes, Eichler plates, and the rot that hides behind a 60-year-old slider.
We’re Meridian Windows and Doors San Francisco, part of the Garrison Partners family. Our Patio Door Installation team has opened enough walls in San Mateo to know exactly what’s behind them: rotted framing, outdated wiring, and flashing that stopped working twenty years ago. Every job gets a written price first and a written 365-Day Done Right Promise after. If it fails within the year, we come back at no charge.
Why Meridian Windows and Doors San Francisco Is San Mateo’s Preferred Patio Door Installation Company
San Mateo homeowners call us because we show up as promised and put every commitment in writing. That matters here, where a slider replacement can turn into a code-triggered wall-opening job the moment a permit inspector sees what’s behind the jamb. We plan for it. Our proposals include allowances for structural repair and electrical upgrades, so the price doesn’t move at the door.
Each technician who walks through your door is background-checked and uniformed. You’ll know exactly who’s on your property and what they’re doing. We carry products from Therma-Tru, PGT, and Mr-Glass, which means we can spec a door that matches San Mateo’s marine air, hillside wind, and afternoon sun instead of forcing whatever happens to be in stock.
Our phones are answered by a live person 24 hours a day, every day. When you call about a jammed slider in the San Mateo hills after a January storm, a human picks up. Not a voicemail loop.
Patio Door Repair in San Mateo
Patio door repair in San Mateo usually means one of three things: a roller that’s seized, a panel that’s out of square, or weatherstripping that’s let fog moisture eat the frame. The first is cheap, typically $140 – $220 for a standard roller replacement. The second runs $350 – $650 when the panel needs realignment and new hardware. The third is where the price climbs, because pulling the door reveals what’s been rotting behind it.
We tell every San Mateo homeowner the same thing: we won’t know the full scope until the door comes out and we see the rough opening. That’s why our written estimate includes a line-item allowance for structural repair. You approve any additional cost in writing before we touch it. No surprises at the invoice.
Roller and Track Replacement
Most 1960s aluminum sliders use rollers that were never built for four decades of use. Once they seize, the door grinds and jams, and forcing it bends the track. We replace both rollers and resurface the track as needed, so the door slides with one hand again.
Weatherstripping and Flashing Repair
Fog and wind-driven rain work their way through failed weatherstripping slowly, then suddenly. If you have water staining at the sill or drafts on cool evenings, the flashing is likely gone. We fix the seal before the rot spreads into the subfloor. That’s the repair that saves you from a structural job later.
Sliding Door Repair in San Mateo
Sliding door repair in San Mateo homes from the 1940s through the 1970s is part mechanical, part structural. The mechanical side is straightforward: failed rollers, bent tracks, worn locks. The structural side is what San Mateo’s climate creates, because cool marine air and fog keep wood damp for months, and damp wood rots from the inside out.
In the San Mateo hills, our crew opened a 1962 Eichler’s original aluminum slider and found rotted framing and knob-and-tube wiring hidden behind the jamb. We wrote an allowance for structural repair into the contract, upgraded to an insulated glass unit with low-E coating and an impact-rated frame, and installed new flashing before the inspector signed off on the permit’s electrical upgrade. That’s how we handle the unexpected: inspect first, allow for it in writing, then get approval before we move.
Jammed Panel Diagnosis
When a slider jams after a winter storm, the cause is almost always a roller that’s frozen, a track that’s been bent by expansion, or a panel that’s sagged because the frame underneath shifted. We diagnose all three on the first visit and tell you which one you have. You don’t pay for a guess.
Rough Opening Inspection
Before we quote any sliding door repair that involves pulling the panel, we inspect the rough opening. This is the part no one sees until the door is out, and it’s where San Mateo’s fog moisture does its worst damage. If the framing is sound, the repair stays simple. If it’s not, you’ll know before work starts, not after.
Trusted Brands We Service in San Mateo
We’re authorized to install and replace products from eight manufacturer lines, but for San Mateo homes we most often spec Therma-Tru for its composite framing that stands up to coastal moisture, PGT for impact-rated glass that handles hillside wind loads, and Mr-Glass for specialty glass packages like low-E and laminated options. We stock common parts locally for these brands, which means faster turnaround on repairs for San Mateo customers. The right door for a foggy canyon in the hills is not the same door as a sunny flat lot on the Bay side. We carry both, and we’ll spec the one that fits your exposure.
Common Patio Door Installation Problems We See in San Mateo Homes
- Rotted framing hidden behind original aluminum sliders. Fog moisture seeps past failed caulking for years, and by the time the door sticks or the sill feels soft, the wood underneath is gone. This is the single most common surprise we find when pulling a 1960s slider in the San Mateo hills.
- Outdated wiring in the wall cavity. Homes built in the 1940s through the 1970s often have knob-and-tube or ungrounded wiring running exactly where a new patio door needs framing. Once the permit inspection happens, that wiring has to be brought up to code. We write the allowance into the contract so it’s priced before work begins.
- Undersized or warped framing from years of marine air. The design pressure rating on a new door means nothing if the rough opening is not square and flashed correctly. We re-square and re-flash as part of the install, which is why our doors close tight and stay sealed.
- Failed waterproofing that only shows up after a storm. Wind-driven rain against a hillside home finds every gap. We flash the opening properly, including the sill pan, so the next storm drains away from the house instead of into it.
Pricing for Patio Door Installation in San Mateo, CA
A standard slider replacement in San Mateo runs $2,400 – $5,800 installed, depending on glass package and frame material. A mid-range upgrade to a composite frame with low-E insulated glass averages $4,200 – $7,000. Impact-rated doors for hillside exposure start around $7,500 and climb to $18,000 when structural repair, electrical upgrades, or custom sizing come into play. The biggest cost driver is what’s behind the old door. We price every job with a written allowance for structural work, so the number on the contract is the number you pay. Estimates are free. Call (831) 273-7126 for a line-item quote before you commit to anything.
We Also Serve Cities Near San Mateo
Our San Mateo service area reaches north to San Bruno, west over the hill to Pacifica, across the Bay to Alameda, and up the East Bay to San Lorenzo. If you’re in one of those cities and need a patio door installed or repaired, call (831) 273-7126 and a live person will answer. Same written pricing, same guarantee.
Serving San Mateo, CA - Our Local Coverage Area
We’re based in the San Mateo 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 Patio Door Installation in San Mateo
San Mateo building codes require a permit when the wall opening is modified, and pulling an original 1960s slider almost always involves modifying the rough opening. The permit triggers an electrical inspection if outdated wiring is present in the wall cavity, which means any knob-and-tube or ungrounded circuit has to be upgraded before the final sign-off. That adds $800 – $3,000 depending on scope. We write that allowance into the written contract so you know the full cost before the first wall is opened. Call (831) 273-7126 for an exact quote on your home.
The real fix is removing the old door, cutting out the rotted framing, installing new rough-opening lumber that’s re-squared and level, then flashing the sill pan and jambs so water drains outward. Sealing over the top won’t work; the leak is inside the wall. We do this regularly for hillside homes in San Mateo where winter storms push rain horizontally into the opening. Call (831) 273-7126 and we’ll inspect the opening for free.
Yes, if the rough opening is modified, which is nearly always the case in Eichler homes where the original aluminum slider is integrated into the wall system. The permit ensures the new framing meets current seismic and structural standards. We pull the permit, schedule the inspection, and handle the paperwork. You don’t have to deal with the city. Call (831) 273-7126 and we’ll confirm what your specific project triggers.
Because the rollers were built in the 1960s and moisture from winter storms causes the aluminum track to corrode and the rollers to seize. Once the roller stops spinning, the panel drags on the track and jams. Forcing it bends the frame. The fix is a roller and track replacement, typically $140 – $650 depending on parts. Call (831) 273-7126 and we’ll diagnose the exact failure on the first visit.
Yes. Impact-rated laminated glass cuts UV transmission significantly, which protects flooring and furniture in San Mateo homes that get intense afternoon sun. It also reduces outside noise and holds together if something hits it, which matters for hillside homes where wind blows debris. We spec PGT impact-rated doors for many San Mateo canyon properties. Call (831) 273-7126 and we’ll show you the glass packages available for your exposure.
Written by Elliot Vance, Owner at Meridian Windows and Doors San Francisco, serving San Mateo and the broader Bay Area.
Six Reasons Homeowners Choose Meridian Windows and Doors San Francisco
Laminated glass and reinforced frames hold up to wind-driven rain, hail and flying debris, so your openings stay sealed when the weather turns.
Low-E insulated impact glass from our manufacturer lines commonly cuts monthly cooling bills 20-30%.
Laminated impact glass shuts out up to 40% of outside noise - traffic, neighbors, weather.
Monitoring services run $30-90 a month. Laminated impact glass resists forced entry around the clock, with no subscription.
Tighter seals and insulated glass even out hot and cold rooms and stop the drafts at the frame.
A full impact package upgrades curb appeal, buyer confidence and appraised value in one project.