Juniper Windows & Doors windows & doors team

Window Company in Foster City - Free In-Home Measure, Written Price

Free in-home measure and an exact written price before anything is ordered. Energy-rated units, professional installation by our own crews, and a workmanship warranty on the install.

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Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style

Styles & brands we work with

Single hung
Single hung
Double hung
Double hung
Horizontal roller
Horizontal roller
Casement
Casement
Bay & bow
Bay & bow
Sliding glass doors
Sliding glass doors
Entry doors
Entry doors
Impact garage doors
Impact garage doors
PGT
PGT
CGI
CGI

Before & after – our own jobs

Before - Recent ProjectBeforeAfter - Recent ProjectAfter
Recent Project
Before - Full RestorationBeforeAfter - Full RestorationAfter
Full Restoration
Before - Complete UpgradeBeforeAfter - Complete UpgradeAfter
Complete Upgrade

Window Company in Foster City, CA

Window and door work in Foster City means accounting for a lagoon-side microclimate that most Bay Area contractors never think about: persistent marine air, regular afternoon wind off the water, and neighborhoods built largely in the 1960s and 1970s with original aluminum frames now past their useful life. Juniper Windows & Doors handles window replacement, window installation, and door replacement across Foster City with written pricing before any work starts. Call home base at (682) 281-2168 to schedule a free estimate.

Call (682) 281-2168

Why Foster City Homes Are Different

Foster City sits on reclaimed land between San Francisco Bay and the Belmont Slough, which shapes what windows and doors contend with here. Salt-laden air accelerates corrosion on older aluminum frames and hardware, and homes near the lagoon or bay side routinely see heavier wind loads than inland Peninsula properties a few miles west. A window that would hold up fine in San Mateo or Redwood Shores may need impact-rated glass and stainless hardware here, especially on second-story openings facing the water.

The housing stock is overwhelmingly mid-century: ranch homes and two-story models from the 1960s and 1970s built before low-E coatings and double-pane insulated glass were standard. Many of these houses still have their original sliding patio doors and single-pane windows, which is why Foster City homeowners frequently ask us about condensation between panes, rooms that never hold temperature, and fogged glass. HOA requirements matter in pockets like the Island and the condo communities around Edgewater Boulevard; some associations limit frame colors or visible hardware finishes, so we verify those details before ordering. Permits for window and door replacement in Foster City are handled at the city level, and most like-for-like replacements clear quickly.

Our Main Foster City Services

Foster City homeowners call us most for two things: replacing original aluminum-frame windows, and swapping out dated sliders and entry doors. Here is what each service looks like in this city, with a dedicated page for the full detail.

Window Replacement in Foster City

Most replacement work in Foster City involves pulling 1960s and 1970s aluminum frames and setting new vinyl, fiberglass, or aluminum-clad units with low-E glass and argon fill. Marine air is the deciding factor: we recommend stainless hardware and, for water-facing elevations, impact-rated glass that resists wind-borne debris without shattering. The full scope, pricing, and Foster City-specific product guidance are on the dedicated page: Window Replacement in Foster City.

Window Replacement in Foster City

Window Installation in Foster City

New-construction and addition window installation in Foster City means working to current California Title 24 energy standards and coordinating with the city’s inspection schedule. We install for six product lines and verify that every unit meets local wind-load requirements before it goes in. For homeowners building here or adding square footage, we manage the order, the install, and the sign-off on one written quote. Details here: Window Installation in Foster City.

Window Installation in Foster City

Door Replacement in Foster City

Foster City’s original sliders and hollow-core entry doors take a beating from wind and moisture. We replace them with fiberglass entry doors and multi-point-locking sliders that seal tighter and operate smoother than the originals. Threshold height and drainage matter here because patios and entries near the lagoon can collect standing water in winter. Full options and Foster City door pricing: Door Replacement in Foster City.

Door Replacement in Foster City
Need help today?Fast, friendly service and a no-obligation free estimate.

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What happens when you call

  1. 1
    A real person answersNo phone trees - you reach a local pro.
  2. 2
    You get an upfront price rangeHonest numbers before anyone is dispatched.
  3. 3
    A background-checked tech heads outLicensed & insured, dispatched right away.
  4. 4
    You approve before work beginsNothing starts until you say go.

Brands We Service in Foster City

For Foster City jobs we regularly install products from CGI, CWS, and ES Windows, along with ECO Window Systems where the budget or opening size calls for it. Hardware and common replacement parts are stocked at our Bay Area office, so routine repairs don’t wait on a long parts lead time. View the full lineup at our brands.

Pricing for Window Company in Foster City, CA

Service Typical range in Foster City
Window replacement (single standard vinyl window) $500 – $900
Window replacement (impact-rated, water-facing elevation) $1,100 – $1,600
Window installation (new construction, per opening) $300 – $700
Full-home window replacement (12 – 16 windows) $8,000 – $18,000
Door replacement (front entry, fiberglass) $1,400 – $3,200
Door replacement (sliding patio door) $1,800 – $4,000
Door replacement (multi-point-locking slider) $2,400 – $5,200
Screen repair or replacement $60 – $180

Two things push Foster City pricing above the inland baseline: impact-rated glass for water-facing elevations, and stainless hardware to resist salt air. Whatever the number, it goes in writing before we order a single unit, and it does not change at the door. Call (682) 281-2168 for a free estimate on your specific openings.

Neighborhoods We Serve in Foster City

We work throughout Foster City, from the lagoon-front streets to the neighborhoods west of Highway 92. Our crews serve the whole city from the Bay Area office, and most Foster City appointments get scheduled within two to five business days.

  • The Island
  • Edgewater
  • Whispering Pines
  • Sunfish Court
  • Sea Colony

Service Area – Cities Near Foster City

Juniper also handles window and door work across the wider Bay Area and Southern California. If you’re outside Foster City proper, see our pages for San Francisco, CA, San Jose, CA, Los Angeles, CA, and San Diego, CA.

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 Window Company in Foster City

Ready to get started? Free estimates · Free written quotes response in Foster City
Call (682) 281-2168

What happens when you call

  1. 1
    A real person answersNo phone trees - talk to a local windows & doors pro.
  2. 2
    You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
  3. 3
    We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
  4. 4
    You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.

What Foster City Customers Say

★★★★★ 5.0 from 3+ reviews

"Front door looks great and shuts well. The threshold is sealed well and the lock lines up with the strike."

- Rory F.

"Quote came in the app with options for glass. Easy to compare."

- Vera L.

"Door replacement. Installer texted when on his way and finished by lunch. Tight and clean."

- Neil B.

How It Works in Foster City

Getting your windows & doors handled is simple and fast.

1

Call or Request a Free Estimate

Tell us about your windows & doors needs and we provide an upfront, transparent quote - no obligation, no hidden fees.

2

Licensed Technician Dispatched

A background-checked, certified technician arrives in Foster City - typically within 30-60 minutes, with parts stocked on the truck.

3

Problem Solved, Guaranteed

We complete the job to your full satisfaction, backed by our warranty and 100% satisfaction guarantee.

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Written Price Before Any Work Starts

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Free Second Visit if the Repair Fails

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