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 Alameda
A patio door installation in Alameda typically runs $1,900 – $4,800 for a standard sliding unit, and most jobs take one full day. Salt air and afternoon bay winds decide what holds up here, so the materials we specify on Bay Farm Island are not the same ones we’d use in Moraga. If your existing door binds, leaks, or has corroded hardware, call (831) 273-7126 and we’ll give you a written price before any work begins.
We know the island’s housing stock because we work in it every week. Victorian-era homes near Webster Street, 1920s bungalows around Park Street, mid-century ranch houses up in the East End, newer townhomes at Alameda Point. Each era of construction has its own rough opening sizes, wall depths, and framing quirks, and a crew that only does windows and doors learns those fast. We’re part of the Garrison Partners family, held to The Garrison Standard since 2009, and we stock eight manufacturer lines so your door matches your house, not whatever happens to be in the warehouse.
This page is for Alameda homeowners who want to know what a patio door job actually costs, what fails on this island and why, and whether they can keep the original trim they love. It’s written by Elliot Vance, who leads our Bay Area installation work and has seen the same corroded threshold failures from Park Street to Fernside enough times to predict them before the screws snap.
Why Meridian Windows and Doors San Francisco Is Alameda’s Preferred Patio Door Installation Company
Our crews carry background checks and company uniforms, so every Alameda homeowner knows exactly who is at the door. That matters on an island where people value knowing their tradespeople. We put the price on paper before any work starts, and that price does not move at the door, period.
Every patio door installation and replacement we do in Alameda is covered by the 365-Day Done Right Promise. Written on the job, no labor exclusions buried in fine print. If the work fails within a full year, we return at no charge. That’s the offer, stated plainly.
We stock local parts for Alameda jobs. Stainless rollers, marine-grade thresholds, corrosion-resistant screws, and replacement weatherstripping. When a Gold Coast homeowner calls about a slider that’s begun binding from 40 years of salt fog, we’re not waiting on a regional warehouse to ship a bracket from Nevada. It’s here, and the crew can schedule the fix without a two-week lag.
Phones are answered by a live person, every day of the year, around the clock. No voicemail loops. If you call at 7:00 a.m. on a Sunday before a windy afternoon, you’ll speak to a human who can get a crew dispatched to Alameda.
Sliding Door Repair in Alameda
Sliding Door Repair in Alameda is the work of bringing a door that binds, gaps, leaks, or groans back to square; we see it most often in homes from the 1920s through the 1970s, where 40 to 100 years of fog-driven moisture has worked into the track and jamb. In Alameda, a sliding door repair usually runs $175 – $650. Replacing pitted rollers and realigning the panel is the lower end. A rotted jamb, snapped threshold screws, or a warped panel pushes the price higher, and sometimes a repair becomes a replacement.
Powder-coated aluminum tracks and rollers pit within 4 to 6 seasons of salt-laden fog. That pitting is what makes the door bind, then seize. If you ignore the first scrape-and-grind noise for another year, the screws holding the threshold rust through and the whole panel drops out of square.
What We Inspect on Every Repair Call
First, the track and rollers. Pitted rollers get replaced with stainless steel. Second, the threshold screws and jamb anchors. We pull a couple and check for rust; in Alameda, untreated galvanized steel fails faster than anywhere inland. Third, the weatherstripping. Salt air does not just corrode metal, it embrittles vinyl and rubber seals until they crumble in your hand.
Repair vs. Replace Decision
If the door is under 20 years old, the panel is square, and the track is salvageable, we repair it. If the original jamb has rotted, the glass is fogged or failed, or the panel no longer sits flat, replacement is the honest answer. We’ll tell you which one we’d do on our own home, and the price goes in writing before you decide anything.
Patio Door Replacement in Alameda
Patio Door Replacement in Alameda means removing an existing door and frame down to the rough opening, then installing a new unit; we replace patio doors in every era of housing on the island, but the job looks very different on a 1920s bungalow near Park Street than on a 2015 townhome at Alameda Point. A full patio door replacement in Alameda typically runs $2,400 – $5,600, with the final number set by panel width, glass type, frame material, and how much carpentry the rough opening needs.
The coastal-spec difference is real and we write it into every Alameda quote. Stainless steel rollers, marine-grade finishes, composite or fiberglass frames rated for salt exposure, and a full re-flash with silicone-based sealant and a drip cap. The inland-spec version of the same door costs 15 to 25 percent less, but we won’t quote it for a house within sight of the Bay. You’d be replacing it again in a decade.
Why the Old Door Failed
Most patio doors in Alameda do not fail from age. They fail from salt wicking into the jamb, rusting screws at the threshold, and afternoon winds driving fog into gaps that seal around the wrong materials. When we pull an old door on the west side of the island, the pattern is predictable: pitted track, rusted screws, rotted jamb at the bottom two feet. The cheap fix is to replace the panel. The correct fix is to rebuild the opening and install a door spec’d for this climate.
Keeping Original Trim and Character
This is where our Alameda work differs from a cookie-cutter install. On a 1920s Craftsman or a 1930s Spanish Revival, the existing interior trim is often original redwood that has never been touched. We can preserve it. We remove carefully, rebuild the rough opening with pressure-treated lumber to the exact wall thickness, set the new door, and reinstall the original casing around it. The homeowner keeps the character; the door performs like new.
Trusted Brands We Service in Alameda
Meridian Windows and Doors is authorized to install and replace products from Therma-Tru, PGT, and ViewLux, along with five other manufacturer lines. For Alameda’s salt-air conditions, we lean on Therma-Tru for fiberglass sliding doors that won’t rot, PGT for impact-rated glass when a homeowner near the shoreline wants the added protection, and ViewLux for aluminum-frame doors with a marine-grade finish. We keep parts for these brands stocked locally, which means a corroded roller or a broken latch on your existing patio door gets swapped fast, not backordered. The right product gets spec’d for the job, not the one sitting in a warehouse in Sacramento.
Common Patio Door Installation Problems We See in Alameda Homes
- Pitted aluminum tracks from salt fog. Within five years, powder-coated tracks near the shoreline develop corrosion that makes the door grind, then bind. By the time you feel the resistance, the rollers are usually shot.
- Rusted threshold screws that snap during adjustment. Untreated galvanized steel does not survive Alameda’s marine air. When a screw head shears off in the track, the panel drops out of square and the repair doubles in cost.
- Faded, chalked finishes on the foggy west side. Vinyl and fiberglass doors without a marine-grade finish fade unevenly, leaving the door looking chalky and patchy after four or five seasons of afternoon fog.
- Air leaks that show up only in the afternoon. Alameda’s afternoon wind drives fog against the west-facing side of the house. If your patio door leaks air only between 2:00 and 6:00 p.m., the weatherstripping has failed and the wind is finding the gap.
Pricing for Patio Door Installation in Alameda, CA
A standard sliding patio door replacement in Alameda runs $2,400 – $5,600. A repair runs $175 – $650. A coastal-spec install, which we strongly recommend for any home within sight of the Bay, adds roughly 15 to 25 percent over an inland-spec version of the same door. That premium buys stainless steel rollers, marine-grade frame finishes, corrosion-resistant fasteners, and a full re-flash with silicone sealant and a drip cap. Skip those upgrades and the savings disappear within a decade when salt air kills the door the same way it killed the last one.
The exact price for your Alameda home depends on the rough opening size, the door product, whether we’re preserving original trim, and what we find when the old door comes out. We give you a written line-item quote before any work begins, and that number does not change at the door. Call (831) 273-7126 to schedule your free estimate.
We Also Serve Cities Near Alameda
Our crews serve Alameda, Oakland, San Francisco, Moraga, and San Lorenzo. If you own a home in any of those cities and you’re considering Patio Door Installation, the same written pricing and 365-Day Done Right Promise apply. Talk to us about your project and we’ll give you an honest recommendation, even if the answer is that your current door has a few more years in it.
Serving Alameda, CA - Our Local Coverage Area
We’re based in the Alameda 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 Alameda
Yes. Alameda’s salt-laden fog travels several blocks inland, not just to the shoreline. We see pitted aluminum tracks and rusted screws in homes near Park Street, Fernside, and the Gold Coast, not just on Bay Farm Island. If you’re within a mile and a half of the water, we spec stainless steel rollers, corrosion-resistant fasteners, and a marine-grade frame finish. The price difference is small compared to replacing the door twice. Call (831) 273-7126 for an exact quote.
In most cases, yes. We remove the existing trim carefully, rebuild the rough opening to match the original wall thickness, install the new sliding patio door, and reinstall the original casing. The redwood trim on Alameda’s older bungalows is often clear, old-growth material you can’t buy anymore. Preserving it is standard practice for our crew, not an extra-cost option. We’ll confirm it’s feasible when we inspect your opening, and it’s written into the quote.
Alameda’s afternoon bay winds press fog and air against the west-facing side of your house. If your patio door only leaks between roughly 2:00 and 6:00 p.m., the weatherstripping has failed and the wind is finding the gap. It’s not your imagination and it’s not the door settling. It’s a seal failure, and it will only get worse as the salt air continues working on the exposed surfaces. A repair usually runs $175 – $450 depending on what’s deteriorated. Call (831) 273-7126 to schedule an inspection.
A coastal-spec patio door in Alameda costs about 15 to 25 percent more than an inland-spec version of the same unit. A $3,000 inland-spec slider becomes a $3,450 – $3,750 door with stainless rollers, marine-grade finishes, and corrosion-resistant fasteners. The inland-spec door saves you roughly $500 – $750 today. It will cost you a full replacement within a decade when Alameda’s salt air does what it always does. We write both numbers on the quote so you see exactly what you’re paying for. Estimates are free.
Standard tempered glass is enough for most Alameda homes. Impact-rated glazing, like the PGT products we install, is built for hurricane zones, and Alameda does not see those wind loads. The bigger concern here is corrosion, not impact. We spec impact-rated glass only when a homeowner near the shoreline explicitly asks for the added protection, and we’re happy to show you the price difference in writing so you can decide with real numbers. Call (831) 273-7126 for a free estimate.
Written by Elliot Vance, Owner at Meridian Windows and Doors San Francisco, serving Alameda since our Bay Area work began in 2009.
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.