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
CGI Windows & Doors in Oakland, CA | Meridian Windows and Doors San Francisco
CGI windows and doors service in Oakland costs $185 to $640 for most repairs, with Oakland Window Replacement running $900 to $2,800 per opening depending on model and frame condition. We’re an independent CGI service provider, not a factory-authorized dealer, which means our recommendations aren’t tied to corporate replacement quotas. Our crew works across Oakland’s flatlands and hills, and the thing that sets our CGI work apart here is knowing how these aluminum and vinyl frames actually behave in fog-belt moisture and on out-of-square Victorian rough openings. Call (831) 273-7126 for a written estimate before any work starts.
Why Oakland Residents Choose Us for CGI Service
Most window companies in Oakland can swap a sash. Few can tell you why a CGI Sentinel casement on the west side of a Rockridge home is losing its weatherstrip seal three years before the identical unit on the east side. That’s the difference. Elliot Vance, our owner, spent two decades retrofitting windows across California before founding Meridian, and he still walks every CGI job himself. We’re part of the Garrison Partners family, held to the Garrison Standard since 2009.
We stock common CGI weatherstripping, roller assemblies, and balances locally, so most repairs don’t wait on a factory shipment. And because we’re independent, we can tell you straight when a repair makes sense and when a frame has corroded past the point where new parts will seat properly. The price goes on paper before we touch a screw, and every job carries our 365-Day Done Right Promise in writing: if it fails within a year, we come back at no charge.
Common CGI Windows & Doors Problems We Solve in Oakland
- Fog-gasket compression set on west-facing CGI Sentinel casements. The constant Golden Gate moisture in Rockridge and Montclair compresses the foam gaskets around the sash perimeter, opening air gaps that let in fog and winter rain. We replace the gasket with factory-match profile and re-set the sash tension so the seal seats evenly.
- Roller-track wear on CGI horizontal sliders in Craftsman kitchens. These sliders see dozens of open-close cycles a day. The steel rollers grind down on the aluminum track, and by year five or six the sash slaps and rattles every time the wind kicks up on hill days. We swap in new roller assemblies and clean the track deburring any pitting before reassembly.
- Aluminum frame pitting on lower rails of CGI Estate Collection doors. Where marine air meets sprinkler overspray, the aluminum develops shallow pitting along the bottom rail. Left alone, it eats through the anodized coating and eventually the frame wall. We treat early-stage pitting with machined aluminum fillers and seal the rail. Widespread corrosion means the frame is done.
- Vinyl corner-weld stress cracks on CGI single hung units. Oakland’s Victorian and Craftsman rough openings are rarely square. When a vinyl unit gets forced into an out-of-plane jamb, the corner welds carry stress they were never designed for. Hairline cracks at the corners are the first sign. We correct the opening alignment before setting the replacement so the new weld isn’t fighting the frame.
- Balance failures on aging CGI single hung windows. The block-and-tackle balances wear out after years of daily lifting, especially in hillside homes where windows get more use for cross-ventilation. A window that won’t stay up or slams down is a balance issue, not a sash issue. We replace the balances in pairs so both sides carry equal load.
CGI Service in Oakland: What Local Conditions Mean for Your Equipment
Oakland’s historic districts add a layer most other Bay Area cities don’t have. In areas like the Crocker Highlands and parts of North Oakland with active preservation overlays, a retrofit window replacement has to match the original sightline, the visible width and profile of the frame, not just the opening size. That means before our first day on site, we pre-cut exterior trim to mimic the original wood profile, whether that’s a 2-1/4-inch Craftsman casing or a narrower Victorian bead. A crew working in San Jose never has to think about HPOZ sightline rules. We do it on every applicable CGI job in Oakland because the permit won’t close without it.
It’s also worth understanding the fog-belt pattern. In Oakland’s hills, a contractor can tell which side of a house faces the Golden Gate by the condition of the window sills. Constant fog and wind rot west-facing wood frames years before the east side. Our crew completed our Window Installation in Oakland for a 1922 Craftsman in Rockridge, replacing the west-facing windows with CGI Sentinel casements; the originals had terminal rot on the lower sash and sills from decades of fog exposure. Full-frame replacement let us use custom aluminum trim matching the original casing width, and the new factory weatherstripping ended the winter moisture staining on the interior sills.
CGI Models & Products We Service in Oakland
We work on the full CGI residential line sold across the Bay Area: the Sentinel Series aluminum impact-rated casements and picture windows, the Estate Collection aluminum doors, the Classic Series vinyl single hung and sliders, and the H-Series heavy-duty aluminum product line.
For parts, we draw a hard distinction between OEM and aftermarket. Factory-match weatherstripping, balances, and roller assemblies are stocked locally for fast turnaround in Oakland. When full OEM parts are cost-prohibitive, we use machined aluminum fillers from Bay Area suppliers rather than generic plastic substitutes. The goal is a repair that performs like the original, not just one that looks close. On frames with widespread corrosion or failed welds, we’ll recommend replacement because the sash-to-frame tolerance is already gone, and a patch job won’t hold air or water out.
CGI Service Pricing in Oakland
Most CGI repairs in Oakland land between $185 and $640. A weatherstrip replacement on a casement runs toward the lower end. A full roller assembly and track restoration on an Estate Collection door sits higher. Full window replacement ranges from $900 to $2,800 per opening, and the spread comes down to whether it’s an insert into a sound frame or a full-frame tear-out with trim work, plus whether we’re matching a historic sightline. Every estimate is written, line-itemed, and fixed before work starts. No change orders at the door. Call (831) 273-7126 to schedule a free estimate, and we’ll put your price on paper.
Serving Oakland, CA - Our Local Coverage Area
We’re based in the Oakland 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 – CGI Windows & Doors in Oakland
Yes. Homes in Rockridge, Montclair, and the upper hills get consistent marine moisture that flatlands homes don’t. We recommend more frequent inspection of the lower frame rails on Estate Collection doors and re-sealing of any exposed aluminum at the first sign of pitting. For hillside homes within a few blocks of the bay influence, a sacrificial sealant pass on the west-facing lower rails every two to three years is cheap insurance. Call (831) 273-7126 and we’ll take a look.
Yes. We pre-cut exterior trim to match the original wood profile, whether that’s a 2-1/4-inch Craftsman casing or a narrower Victorian detail. We’ve done this on CGI Sentinel and Classic Series retrofits in Oakland’s preservation overlay zones, and we coordinate with the local review process before ordering any unit. The key is measuring the existing sightline precisely, not just the rough opening. Call (831) 273-7126 for a measurement visit.
Oakland’s older Craftsman and bungalow floors have settled over a century, which pulls the track slightly out of level. The rollers then wear unevenly, and the sash starts to bind and chatter as it travels. The fix is usually new roller assemblies plus a track re-level, not a whole new window. We see this most in the flatlands, where the clay soil shifts seasonally.
No. Impact glazing is required only where the local building department calls for it, typically in high-wind-exposure zones along the ridge lines and west-facing slopes. Most Oakland hillside projects don’t require full impact-rated units, but wind-rated glazing and proper weatherstripping are always worth specifying. We’ll tell you what your address actually requires before we quote anything.
We repair weatherstripping all the time. Most fog-gasket failures on CGI Sentinel casements are repairable in place with factory-match profile material. You don’t need a new window for a tired seal. The repair usually takes under an hour per sash, and the difference in air sealing is immediate. Call (831) 273-7126 for a free estimate. Visit our CGI sales & service page for more detail on what we stock.
Service Areas Near Oakland
Our CGI service area covers Oakland and the surrounding East Bay. We work in Oakland service area neighborhoods from Rockridge to the Laurel, plus CGI service in Hayward, Richmond, Alameda, and San Leandro. Across the bay, we also handle CGI service in San Francisco.
Book Your CGI Service in Oakland Today
Call (831) 273-7126 and you’ll get a live person, not a voicemail loop, any hour of the day. We’ll schedule a measurement, put your price in writing, and stand behind the work for 365 days. Measure twice, order once, the window doesn’t care about your schedule.
Written by Elliot Vance, Owner at Meridian Windows and Doors San Francisco, serving Oakland and the Bay Area since 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.