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CGIFree in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Get your free estimateWindow Company in Berkeley, CA
Window and door work in Berkeley runs into conditions most Bay Area contractors never see: 1920s Craftsman bungalows with original wood frames, hillside homes built into slopes, and marine air that eats through hardware faster than homeowners expect. At Lightwell Windows & Doors, we handle window replacement, window installation, and door installation for Berkeley homes with written pricing before any work begins and a crew that treats your floors, pets, and quiet hours with real care. Call (831) 480-4124 to schedule a free estimate, and you’ll get a clear price in writing before we touch anything.
Why Berkeley Homes Are Different
Berkeley’s housing stock is older and more particular than almost anywhere else in the East Bay. Flatlands neighborhoods like North Berkeley and the Elmwood are full of 1920s Craftsman bungalows, many still carrying their original double-hung wood windows with wavy single-pane glass. Up in the Berkeley Hills, you find 1960s mid-century homes built into steep lots, where window replacement means working on uneven terrain and accounting for seismic strapping. That mix changes every part of a job: a flatlands bungalow often needs custom millwork to match existing profiles, while a hillside home may require different flashing details to handle wind-driven rain off the bay.
Climate shapes the work too. Berkeley’s cool, foggy summers and mild, wet winters mean windows rarely face extreme temperature swings, but persistent moisture and salt air accelerate wood rot and corrode older frames and hardware. We inspect for rot at the sill and around the jambs before recommending anything, because replacing glass into a softened frame just moves the problem down the road. Then there are the preservation rules: wherever original windows remain in historic districts, Berkeley’s permitting process takes longer and the requirements for matching profiles are stricter than in neighboring Oakland or Albany. A window company working in Berkeley has to understand all of this, not just show up with a standard replacement window.
Styles & brands we work with
Our Main Berkeley Services
Most Berkeley homeowners reach out to us for one of three jobs, and each has its own page here so you can read the full detail before calling. Here’s what each service actually involves in Berkeley.
Window Replacement in Berkeley
Window replacement in Berkeley often starts with the question of whether the original windows can be saved. In flatlands bungalows, many homeowners insist on rope-and-pulley restoration rather than full replacement, and that’s a conversation we’re glad to have. Where replacement is the right call, we match the window’s profile and sightlines to the home, whether it’s a Craftsman, Mediterranean, or mid-century hillside house. The damp marine air means we check every opening for rot before ordering anything. Read the full breakdown at Window Replacement in Berkeley.
Window Installation in Berkeley
Window installation covers new openings or full-frame replacements where the old window and its frame both come out. In Berkeley, this often means working around original plaster walls and century-old framing that is never perfectly square. Our crew measures each opening in three places, explains the price before the work, and protects floors and furniture with drop cloths on every visit. For hillside homes, we also account for the slope and drainage around the opening. See the full scope on our Window Installation in Berkeley page.
Door Installation in Berkeley
Door installation in Berkeley ranges from front entry doors on Craftsman porches to exterior doors on mid-century hillside homes facing fog and damp. Original Berkeley doors are often solid wood with custom millwork, and matching those profiles matters for both curb appeal and preservation compliance. We check the threshold, the rough opening, and the hardware for corrosion before anything is ordered. Every door job includes a written price before work starts. Details live at Door Installation in Berkeley.
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 Berkeley
We carry eight manufacturer brands so the recommendation fits the Berkeley home, not the installer’s preferred vendor. Homeowners here often choose Therma-Tru for entry doors that hold up against damp air, or PGT and Mr-Glass windows when a hillside home needs stout wind-rated units. For trim, profiles, and hardware matching older Berkeley homes, we also keep parts locally stocked for faster turnaround than special-order lead times. Read more at our brands.
See the difference
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AfterPricing for Window Company in Berkeley, CA
Prices below reflect what Berkeley homeowners typically see for the most common jobs in this market. The range accounts for differences in home age, access, and whether original millwork must be matched.
| Service | Typical range in Berkeley |
|---|---|
| Window replacement (per opening) | $600 – $1,600 |
| Full-frame window replacement (per opening) | $950 – $2,200 |
| Window installation in new rough opening | $800 – $1,900 |
| Exterior door installation (single entry door) | $1,200 – $2,600 |
| Front door replacement with custom millwork match | $1,500 – $3,000 |
| Sliding glass door installation | $1,600 – $3,200 |
| Hardware replacement and alignment (per door) | $150 – $450 |
| Wood rot repair at window or door frame | $350 – $1,200 |
What pushes a Berkeley price toward the upper end: historic-district permitting, matching original millwork or wavy glass profiles, and hillside access where ladders or scaffolding are required. Whatever the final number, it is written down before any work starts, so there is no invoice surprise at the end of the day.
Neighborhoods We Serve in Berkeley
Lightwell crews work across Berkeley, from the flatlands to the hills. Jobs move a little differently depending on where you are: access in the Berkeley Hills can require additional setup, while flatlands neighborhoods are usually faster to stage.
- North Berkeley
- Elmwood
- Berkeley Hills
- West Berkeley
- South Berkeley
If you’re within Berkeley city limits, count on a real person answering the phone 24/7 and a clear estimate window when you call to schedule.
Service Area – Cities Near Berkeley
Beyond Berkeley, we serve nearby East Bay cities with the same written pricing and the same crew standards. If you’re in Emeryville, CA, Albany, CA, Piedmont, CA, or San Francisco, CA, our team coordinates scheduling from the brand’s San Francisco Bay Area office and dispatches crews locally.
Serving Berkeley, CA - Our Local Coverage Area
We’re based in the Berkeley 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 Berkeley
We serve Berkeley locally and usually schedule estimates within a few days of your call, depending on how many jobs are already booked. Calling (831) 480-4124 gets you a live person who can look at the schedule and tell you where you stand, not a voicemail.
Window and door replacement often needs a permit in Berkeley, especially in historic districts or when the opening size changes. We know the local permit path and will tell you clearly what applies to your home before any work is scheduled.
Yes. Shoe covers and drop cloths go down on every visit, we ask before moving anything, and the crew takes a photo of the clean-up before they leave. It is part of the C.A.R.E. values we follow on every Berkeley job, and it is not optional.
Call (831) 480-4124 to schedule your free estimate, and we’ll put your exact price in writing before any work starts.
Six Reasons Homeowners Choose Lightwell Windows 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.
Other Lightwell Windows San Francisco Services
What Neighbors Say About Lightwell Windows San Francisco
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 Berkeley Customers Say
"Front door replacement. The installers were careful, clean, and gentle, took their shoes off inside and swept the entry when done. The door seals perfectly and looks beautiful."
- Hollis Wyatt"Quiet, considerate install of several windows. They cleaned the glass and the sills and vacuumed every room. You'd never know a crew had been through. House is quieter and brighter."
- Brent Sakamoto"Lovely windows and a tidy install. One window came in a couple weeks late from the factory, so that opening finished after the others. They kept me posted and the rest was spotless."
- Mia Donnelly