Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Before
After
Before
After
Before
AfterWindows & Doors in Foster City, CA
Window installation in Foster City means replacing 40 to 55 year old aluminum frames that have spent decades in salt-laden lagoon air. Most homes here were built between 1967 and 1985 with single-pane sliders and casements that are now failing together across the city’s master-planned neighborhoods. We install and replace windows and doors built for exactly this environment, with a written price before any work starts. Call (509) 265-6387 for a free estimate.
Why Foster City Homes Are Different
Foster City sits on dredged San Francisco Bay fill, threaded with tidal lagoons that put salt air against window frames and door tracks every day. Aluminum oxidizes faster here than in San Mateo or Belmont, just a few miles inland. On lagoon-facing streets, we routinely find sliding-door tracks so corroded they cannot be cleaned and reset. The housing stock is nearly all from the 1967 to mid-1980s build-out, which means original single-pane aluminum windows, original sliding glass doors, and original weatherstripping are now reaching the end of their service life at the same time. For these homes, replacement hardware in lagoon-facing openings needs to be marine-grade stainless, and frames should be anodized or vinyl-clad. That is the norm in Foster City, not the exception.
Our Main Foster City Services
The two jobs Foster City homeowners call us about most are full door replacement and whole-home window replacement, both driven by the same corrosive bay air and aging original openings.
Door Installation in Foster City
Door installation here usually starts with a sliding patio door that no longer locks or rolls. The marine air attacks aluminum tracks and steel hardware, and once the frame is pitted through the anodizing, adjusting the door stops helping. We measure the existing rough opening, write the scope and price as one document, and install a door specified for coastal exposure with marine-grade hardware. See Door Installation in Foster City for full pricing and the sub-jobs we handle.
Window Replacement in Foster City
Window replacement in Foster City is often a whole-home project because the original windows were installed in the same era and are failing in the same way. We replace single-pane aluminum sliders and casements with energy-efficient, vinyl-clad or anodized frames specified for the salt air. Every job starts with a measured survey the homeowner keeps, and the written quote cannot differ from that document. Read Window Replacement in Foster City for the full scope, including cost ranges for each common window type.
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.
BeforeAfterWindow Installation in Foster City
Window installation in Foster City means pulling out 1967 to 1985 single-pane aluminum and putting in sealed, insulated units that can hold up to bay air and lagoon humidity. The climate here is the real driver: persistent marine layer, afternoon bay winds, and salt concentrations that pit aluminum frames and break down caulk seals noticeably faster than inland Peninsula cities. We install every window with a written price before the first tool is lifted, and the measurement and the quote are the same document under Haven Clause 1. Read more about the process on our Window Installation service page.
Single & Double Hung Windows
Signs you need it
The sash sticks mid-travel, the lower sash drops when released, or daylight shows through the meeting rail.
What it costs in Foster City
Single and double hung window replacement in Foster City typically runs $450 to $1,800 per opening, installed.
How we do it
We measure the existing frame, order a double-hung with a sloped sill and coil-balance system, remove the old sash and frame, install the new unit with backer rod and sealant, and leave a documented photo record.
Casement Windows
Signs you need it
The crank mechanism binds or the sash sags so the top corner no longer seats against the weatherstripping.
What it costs in Foster City
Casement window installation in Foster City typically falls between $950 and $2,400 per window, depending on size and frame material.
How we do it
We specify a casement with stainless steel hinges and multi-point locking hardware, remove the old frame, set the new one square with shims, flash it to the rough opening, and verify the operation with the homeowner.
What Window Installation Costs in Foster City
| Item | Typical range in Foster City |
|---|---|
| Single hung window, installed | $450 - $1,200 |
| Double hung window, installed | $700 - $1,800 |
| Casement window, installed | $950 - $2,400 |
| Awning or hopper window, installed | $450 - $1,300 |
How long does window installation take in Foster City?
Most whole-home window installations in Foster City take 2 to 4 working days, depending on the number of openings and the condition of the rough openings. Lagoon-facing jobs with corroded framing may add a day for substrate repair. Call (509) 265-6387 for a site-specific schedule.
Do I need HOA approval for window changes in Foster City?
Many Foster City neighborhoods have HOAs that require architectural review before window replacement, especially when the visible elevation changes. We provide the measured survey and product specifications in the format most Foster City HOAs request. Call (509) 265-6387 and we will walk you through it.
Impact Windows & Doors in Foster City
Impact windows and doors in Foster City are not just for hurricanes. The same laminated glass and reinforced frames that meet Miami-Dade wind-load codes also reduce noise from bay winds and add a layer of forced-entry resistance that standard windows do not have. In a city where every original window is decades old and many homes back onto lagoon paths, homeowners are increasingly choosing impact-rated products for the combination of coastal durability and security. See the full breakdown on our Impact Windows & Doors hub.
Hurricane Impact Windows
Signs you need it
Your home faces open bay water or an exposed lagoon channel where wind-driven debris is a realistic loading scenario, or you want a single product that handles impact, noise, and forced entry.
What it costs in Foster City
Hurricane impact windows in Foster City start around $1,100 per opening and run to $3,500 for larger fixed units.
How we do it
We specify laminated glass with a polyvinyl butyral interlayer inside a reinforced frame, anchor the unit to the rough opening per wind-load code, and document the installation photo record.
Horizontal Roller & Sliding Impact Windows
Signs you need it
The existing horizontal roller tracks have corroded to the point the window no longer opens, or the single-pane glass flexes when you press on it.
What it costs in Foster City
Horizontal roller impact windows in Foster City typically cost $850 to $2,200 per window, installed.
How we do it
We replace the full frame and sash, not just the glass, so the new track, rollers, and glazing are all rated for impact and salt-resistant by design, then verify the drag and locking force before we leave.
What Impact Windows & Doors Costs in Foster City
| Item | Typical range in Foster City |
|---|---|
| Hurricane impact window, installed | $1,100 - $3,500 |
| Single hung impact window, installed | $900 - $2,600 |
| Double hung impact window, installed | $1,200 - $3,200 |
| Horizontal roller impact window, installed | $850 - $2,200 |
Do impact windows help with condo noise from neighbors or traffic in Foster City?
Yes. Impact-rated laminated glass measurably reduces exterior noise compared to single-pane or standard double-pane glass. If your Foster City condo faces Hillsdale Boulevard or a lagoon path, the difference is noticeable the first night. Call (509) 265-6387 for product data.
Will impact windows stop water intrusion at my Foster City condo?
Impact windows are designed to resist wind-driven rain when installed correctly, but no window stops water if the surrounding flashing and sealant are failing. On Foster City condos, we inspect the full opening before quoting, because the window is rarely the only leak point. Call (509) 265-6387 for a free estimate.
Energy-Efficient Windows in Foster City
Energy-efficient windows in Foster City are a direct response to marine-layer humidity, afternoon bay wind, and a housing stock that never had insulated glazing. Most original aluminum frames here are single-pane with no thermal break, so they sweat, radiate cold, and let conditioned air escape all year. Replacing them with low-E, argon-filled insulated units changes what the rooms feel like. See the Energy-Efficient Windows service page for the full product and spec breakdown.
Low-E & Argon Gas Glass
Signs you need it
The glass is cold to the touch on winter mornings, condensation forms between panes, or rooms facing the lagoon never hold heat.
What it costs in Foster City
Low-E argon windows in Foster City run $600 to $1,600 per opening installed, depending on size and frame material.
How we do it
We specify a low-E coating matched to the home’s orientation and a warm-edge spacer with argon fill, then install the unit with a continuous air seal so the actual U-factor and SHGC match the product data sheet.
Insulated Laminated Glass
Signs you need it
You need both energy performance and noise reduction, or the opening is large enough that safety glazing is required by code.
What it costs in Foster City
Insulated laminated glass units in Foster City cost $800 to $2,200 per window, installed.
How we do it
We build the unit as an insulated glass make-up with a laminated inner or outer lite, specified by exposure, then set it in a thermally broken frame for condensation resistance.
What Energy-Efficient Windows Costs in Foster City
| Item | Typical range in Foster City |
|---|---|
| Low-E & argon gas window, installed | $600 - $1,600 |
| ENERGY STAR replacement window, installed | $650 - $1,800 |
| Insulated laminated glass window, installed | $800 - $2,200 |
| UV-blocking / fade-protection window, installed | $700 - $1,900 |
What U-factor should I look for in Foster City?
For Foster City’s marine-layer climate, a U-factor between 0.27 and 0.30 is generally a good balance of cost and performance. Homes on exposed lagoon water may justify lower. We can show you the actual product data sheets before you decide.
Will energy-efficient windows stop my Foster City condo from sweating in the morning?
Interior condensation usually drops sharply once you replace single-pane aluminum with insulated low-E glass, because the interior glass surface stays closer to room temperature. The frame matters too, which is why we specify thermally broken or vinyl-clad options. Call (509) 265-6387 for specifics.
Sliding & Patio Doors in Foster City
Sliding and patio doors in Foster City fail faster than windows because they sit at ground level, directly in the path of salt-laden bay air and lagoon moisture. The tracks corrode, the rollers seize, and the aluminum frame pits until the door no longer locks or rolls. Replacement here should be specified with marine-grade stainless hardware and anodized or vinyl-clad frames. Full product and pricing detail is on our Sliding & Patio Doors service page.
Sliding Glass Door Replacement
Signs you need it
The door takes two hands to move, sits visibly out of level, or the lock no longer engages because the frame has shifted and corroded.
What it costs in Foster City
Sliding glass door replacement in Foster City typically runs $1,800 to $5,500 per door, installed.
How we do it
We remove the existing panel and frame, inspect the rough opening for rot or corrosion, install a new unit with marine-grade rollers and multi-point locking, and confirm the door glides with one hand before we clean up.
Impact French Patio Doors
Signs you need it
You want a hinged patio door with visible style, but the home faces an exposed lagoon channel where wind-driven rain and impact are part of the loading.
What it costs in Foster City
Impact French patio doors in Foster City generally cost $3,500 to $9,000 per opening, installed.
How we do it
We specify a French door with impact-rated laminated glazing, an adjustable threshold, and multi-point locking hardware, then flash the sill pan and side jambs so water drains outward, not into the rough opening.
What Sliding & Patio Doors Costs in Foster City
| Item | Typical range in Foster City |
|---|---|
| Patio door replacement, installed | $2,000 - $5,500 |
| Impact sliding glass door, installed | $2,500 - $7,000 |
| Impact French patio door, installed | $3,500 - $9,000 |
| Screen door installation, installed | $300 - $900 |
Can you replace just the sliding door track on my Foster City home?
On some aluminum-frame doors, a track replacement is possible if the surrounding frame is still sound. On lagoon-facing Foster City homes, the frame is usually too pitted to accept a new track cleanly. We will tell you which situation you have before any work is quoted. Call (509) 265-6387.
Why does my Foster City patio door get stuck every summer?
The aluminum frame expands and contracts with the bay temperature swings, and salt corrosion makes the track rougher every year. The fix that lasts is a corrosion-resistant new frame and roller set, not another round of lubrication. Call (509) 265-6387 for an estimate.
Impact Garage Doors in Foster City
Impact garage doors in Foster City serve a specific segment of the housing stock: homes with attached garages facing open lagoon water or exposed bay wind, where the garage door is the largest single opening on the house. A conventional steel door buckles under wind load long before laminated windows fail. We install wind-load-rated garage doors with reinforced tracks and panel construction designed for coastal exposure. See the Impact Garage Doors page for product categories and specifications.
Hurricane-Rated Garage Doors
Signs you need it
Your garage door is the original wood or non-reinforced steel from the 1970s or 1980s, and the home faces an exposed channel or the open bay.
What it costs in Foster City
Hurricane-rated garage doors in Foster City typically run $3,000 to $8,500 installed, depending on size and wind-load rating.
How we do it
We measure the opening, specify a door rated for the site’s wind exposure, replace the track and hardware with reinforced components, and provide the design pressure documentation for your records.
Energy-Efficient Garage Doors
Signs you need it
The garage is attached and shares a wall with a bedroom or living space, or you use the garage as a workshop and the temperature swings are too wide.
What it costs in Foster City
Energy-efficient garage doors in Foster City cost $2,500 to $7,500 installed, depending on insulation value and finish.
How we do it
We specify a door with a polyurethane-insulated core and thermal breaks, replace the weatherseals as a set, and verify the perimeter seal so the door actually performs at its rated R-value.
What Impact Garage Doors Costs in Foster City
| Item | Typical range in Foster City |
|---|---|
| Hurricane-rated garage door, installed | $3,000 - $8,500 |
| Energy-efficient garage door, installed | $2,500 - $7,500 |
| Standard garage door replacement, installed | $1,800 - $5,000 |
| Wind-load code compliance retrofit, installed | $800 - $3,000 |
Do I need a permit to replace a garage door in Foster City?
In most Foster City single-family homes, like-for-like garage door replacement does not require a permit, but wind-load retrofits or changes to the opening size do. We confirm the permit requirement for your specific property before quoting. Call (509) 265-6387.
Is wind-load compliance required for Foster City garage doors?
Foster City enforces California Building Code wind provisions, and exposures near open bay water are more demanding than sheltered interior streets. We review the exposure category for your address before specifying a door. Call (509) 265-6387 for a site review.
Custom & Geometric Windows in Foster City
Custom and geometric windows in Foster City usually mean addressing an original architectural feature from the 1967 to 1985 build-out: a half-round over the front entry, an angled trapezoid in a stairwell, or an oversized fixed pane facing the lagoon. These openings cannot be filled with stock sizes, and getting the sightline and glazing right on a custom shape is where measured work pays off. Our Custom & Geometric Windows page covers the process in detail.
Geometric & Shaped Windows
Signs you need it
The existing shaped window is single-pane aluminum with failed glazing or a warped frame, and the opening is not a standard rectangle.
What it costs in Foster City
Geometric and shaped window replacement in Foster City generally runs $1,200 to $4,500 per window, installed, depending on the number of sides and glass make-up.
How we do it
We take a physical template of the opening, not just measurements, so the new unit is cut to the actual shape, then order insulated glass with the correct spacer bar for the shape and install the unit with anodized or vinyl-clad trim to match the home.
Arched & Curved Windows
Signs you need it
The arched window over the front door or the curved transom is leaking or the glass is failing, and a rectangular replacement would destroy the elevation.
What it costs in Foster City
Arched and curved window replacement in Foster City starts around $1,800 and runs to $6,000 for large radius or full-circle units.
How we do it
We template the curve, order a unit with a matching radius, and install it so the sightline is true and the exterior flashing follows the curve without buckling.
What Custom & Geometric Windows Costs in Foster City
| Item | Typical range in Foster City |
|---|---|
| Geometric or shaped window, installed | $1,200 - $4,500 |
| Arched or curved window, installed | $1,800 - $6,000 |
| Custom impact window, installed | $1,500 - $5,500 |
| Oversized fixed window, installed | $1,600 - $6,500 |
Can you match the original window shapes on my Foster City townhome?
Yes. We template each opening so the replacement matches the existing shape and sightline, and we specify frame finishes that match the original color or the current HOA-approved palette. Call (509) 265-6387 for a site visit.
How long does a custom window take to get in Foster City?
Custom shapes are made to order, so expect 4 to 8 weeks from approved template to installation. Lead time depends on the glass make-up and the manufacturer’s queue. We will give you a written production schedule before you commit.
Brands We Service in Foster City
We install and service products from CGI, CWS, ES Windows, and ECO Window Systems, among others. These are specified by what the Foster City opening requires, not by what is sitting in a warehouse. Parts are ordered to the job from the manufacturer’s distribution channel. See our brands for the full line detail.
Pricing for Windows & Doors in Foster City, CA
| Service | Typical range in Foster City |
|---|---|
| Single hung window, installed | $450 - $1,200 |
| Double hung window, installed | $700 - $1,800 |
| Casement window, installed | $950 - $2,400 |
| Hurricane impact window, installed | $1,100 - $3,500 |
| Low-E & argon gas window, installed | $600 - $1,600 |
| Sliding glass door, installed | $1,800 - $5,500 |
| Impact French patio door, installed | $3,500 - $9,000 |
| Hurricane-rated garage door, installed | $3,000 - $8,500 |
| Custom geometric window, installed | $1,200 - $4,500 |
Prices in Foster City push toward the upper end when the opening is lagoon-facing, the existing frame has corroded enough to need substrate repair, or the product must meet a specific wind-load rating. Every job starts with a measured survey and a written price before any work begins, so the number we quote is the number you pay.
Neighborhoods We Serve in Foster City
We serve the entire Foster City peninsula, from the lagoon-front homes along the channels to the streets nearest the bay path. Each area has the same 1967 to 1985 housing stock, but lagoon-facing blocks see the worst of the salt air.
- Vintage Park
- Bay Vista
- Whispering Bay
- Lagoon Manor
- Harbor Cove
We schedule Foster City appointments by neighborhood cluster, so most homeowners get a site visit within a few business days of the first call.
Service Area - Cities Near Foster City
Our Bay Area coverage extends beyond Foster City to the full Peninsula and South Bay. Homeowners in San Jose, CA, San Francisco, CA, and up the coast look to us for the same written-price, documented-installation standard. Farther south, we also serve Los Angeles, CA and San Diego, CA. If you live near Foster City but not inside it, call (509) 265-6387 and we will confirm coverage.
Serving Foster City, CA - Our Local Coverage Area
We’re based in the Foster City 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 Windows & Doors in Foster City
For a standard estimate, we can usually get a technician to a Foster City home within a few business days. Lagoon-facing properties or whole-home scopes may take a little longer to schedule because we send a full measured survey, not a drive-by look. Call (509) 265-6387 to set it up.
Yes, because the housing stock is so uniform and the salt air has deformed many original openings. A window that measures as a rectangle on paper is often a few millimeters out of square after 40 years of bay air. We template and measure instead of assuming the original rough opening is true.
You get the measured survey you keep from the first visit, a written scope and price that cannot be changed without a written change order, a documented photo record of the installation, and the written warranty for every product. That is the Haven Standard on every job.
Call (509) 265-6387 to schedule your free estimate. We will measure, write the price, and show you the evidence before you commit to anything.
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 Foster City Customers Say
"The survey measurements and the quote were the same piece of paper. Nothing changed on install day, which is not what happened with the two other companies we had out."
- Annette R."Replaced eight windows. They showed me the U-factor on the units they were actually fitting rather than the brochure numbers."
- Kofi B."They photographed the rotten sill they found under the old frame before replacing it, and the extra cost was agreed in writing before they carried on."
- Rosalind C.