Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Window Company in Alameda, CA
Replacing windows or doors in Alameda means working with homes that range from 1890s Victorians near the Gold Coast to 1970s ranchers up toward Bay Farm, all sitting in a marine climate that tests seals, frames, and hardware year-round. We are Juniper Windows & Doors, part of the Relay Home Co. family since 2001, and we focus on one thing: glass and door openings that hold up to salt air, afternoon wind, and fog that rolls in off the bay. If you need a straight answer on cost or a written price before any work starts, call us at (682) 281-2168.
Why Alameda Homes Are Different
Alameda’s housing stock is older than most Bay Area buyers expect. The island has thousands of pre-1940 homes, many with original double-hung windows, wood sash frames, and non-standard rough openings. That matters because a “standard size” window rarely drops into a 1920s Craftsman on the East End without trim work, shim adjustments, or casing replacement. On newer builds near Bay Farm Island and Harbor Bay, the opposite problem shows up: builder-grade vinyl windows from the 1990s and early 2000s with failed seals, fogged glass, and single-pane sliders that leak air.
Climate is the second factor. Alameda sits directly on the bay, so windows and exterior doors get steady exposure to salty air and moisture. We regularly see wood frames with rot along the bottom rail, corroded hardware on old sliding doors, and warped exterior door slabs that no longer close square. Southeast-facing exposures on Alameda’s flat terrain also get long afternoon sun, which breaks down old glazing and fades frames faster than homeowners expect. Any replacement we quote here has to account for that mix: old framing, salt exposure, and a mild but persistent dampness that cheap materials do not survive.
Our Main Alameda Services
Most Alameda homeowners call us for one of three jobs: pulling out old windows, putting new ones into existing openings, or replacing an exterior door that has warped, rotted, or stopped sealing. Each has its own dedicated Alameda page with local pricing and specifics.
Window Replacement in Alameda
Window replacement in Alameda usually starts with an assessment of the existing frames. On older homes, we check for rot, square, and whether the original sash weights and pulleys are still in place, because those affect labor time and trim decisions. On newer homes, the job is often simpler: remove the old unit, set a new one, seal and trim. We carry PGT and CGI impact-rated lines for Alameda homeowners who want glass that resists wind-borne debris without shattering, plus ES Windows and CWS for standard double-pane upgrades. Full pricing and the exact process are on the Window Replacement in Alameda page.

Window Installation in Alameda
Window installation here is its own job because Alameda’s older openings are rarely square or standard. Setting a new window into a 1920s or 1930s frame can involve shimming, leveling, reframing a rough opening, and matching trim profiles that are no longer sold off the shelf. On newer Alameda construction, installation is faster but still benefits from a crew that checks flashing, waterproofing, and reveals before the unit gets locked in. We quote every installation with a written price before work starts. See Window Installation in Alameda for what the job includes and what it costs.

Door Replacement in Alameda
Exterior doors in Alameda take a beating from bay moisture and afternoon sun, especially on West End and Central Alameda streets where homes sit close to the water. We replace front entry doors, rear doors, and patio sliders, and we stock Therma-Tru fiberglass slabs that do not warp the way older wood doors do here. A common Alameda call is a door that has swollen or shifted enough that the deadbolt no longer lines up, which is as much a framing fix as a door swap. Get the full breakdown on the Door Replacement in Alameda page.

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.
Brands We Service in Alameda
We work with PGT, CGI, CWS, and ES Windows lines, which covers impact-rated glass, standard double-pane replacements, and custom sizing for Alameda’s older openings. Parts and common sizes are available locally, which keeps typical replacement turnarounds tight. See our brands for the full lineup.
Pricing for Window Company in Alameda, CA
| Service | Typical range in Alameda |
|---|---|
| Window replacement (full, standard size) | $700 – $1,400 per window |
| Window replacement (custom or oversized) | $1,200 – $2,100 per window |
| Window installation (labor only, standard) | $300 – $600 per window |
| Window installation (labor + new construction) | $500 – $900 per window |
| Front door replacement | $900 – $2,000 |
| Patio slider replacement | $1,300 – $3,200 |
| Impact-rated window upgrade | $1,000 – $1,900 per window |
| Full-home window package (10 – 15 windows) | $9,000 – $21,000 |
Alameda pricing runs higher than inland Bay Area work when older framing needs repair before a new unit can go in, and when homeowners choose impact-rated glass for coastal wind exposure, so a window that starts as a $700 swap can land near $1,400 once rot repair and custom trim get added. That is exactly why we put a written price in front of you before any work starts: no estimate that morphs into a surprise invoice.
Neighborhoods We Serve in Alameda
We work across the island, from Gold Coast Victorians to Harbor Bay townhomes. Our crews are scheduled through our San Francisco Bay Area office, so Alameda jobs are dispatched locally, and typical scheduling lands within a few days of your estimate.
- Gold Coast
- East End
- Central Alameda
- West End
- Bay Farm Island
Service Area – Cities Near Alameda
We also handle window and door work in Oakland, CA, Piedmont, CA, Emeryville, CA, and Berkeley, CA. If you are just outside Alameda, call (682) 281-2168 and we will confirm coverage before you book.
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 Window Company in Alameda
Most Alameda estimates are scheduled within a few days, and installation typically follows within one to two weeks once the written price is approved. The Relay Visibility Guarantee gives you a live arrival time you can track, so you are not waiting through a four-hour window. Call (682) 281-2168 to get on the schedule.
Straight replacements that keep the same opening size usually do not require a permit in Alameda. If the opening changes, structural work is involved, or your home is in a historic district, the city may require one. We handle permit paperwork as part of the written quote, so there are no surprises mid-job. Call (682) 281-2168 for a free estimate.
Yes, in writing, on every Alameda project we complete. If the installation is not right within 365 days, parts and labor are covered and we make it right. That includes a free second visit if a repair fails. Call (682) 281-2168 to schedule your estimate and get the details in writing.
Need a written price for window or door work in Alameda? Call Juniper Windows & Doors at (682) 281-2168 for a free estimate, and we will put the number in writing before anything starts.
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 Alameda Customers Say
"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.










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