Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Salt Air Decides the Material, Not the Schedule
Window installation in Half Moon Bay comes down to one thing most contractors never mention: the ocean is about 900 feet from your front door, and it never stops working on your windows. We see west-facing homes near the bluffs where builder-grade powder-coated aluminum frames show visible oxidation and pitting within three to five years. Not decades. Years. That’s the failure mode that changes how we specify every window we put in a Half Moon Bay home.
So the answer to “what does window installation cost in Half Moon Bay?” starts with materials, not square footage. A double-hung replacement here typically runs $850-$1,400 per window when we’re using fiberglass frames and marine-grade hardware. A casement runs $950-$1,600. A fixed or picture window runs $700-$1,200. Those numbers reflect coastal-spec work, not the inland-spec numbers you’ll see quoted from a San Mateo contractor who doesn’t know what fog does to aluminum.
Call (888) 635-0804 and we’ll walk you through exactly what your house needs and what it’ll cost.
Fast, Reliable Window Installation Across Half Moon Bay
Half Moon Bay isn’t one housing market. It’s two. The beach cottages and bungalows west of Highway 1 near Miramar Beach and the bluffs were built in the 1940s through 1960s, and many still carry original single-pane wood windows that have been swelling, sticking, and rotting in marine fog for fifty-plus years. The planned developments on the inland side of Highway 1, mostly built in the 1980s through 2000s, carry aluminum frames that are now hitting their own corrosion ceiling. Neither stock was built for this climate.
We’ve worked in both. Our crews know the difference between a 1962 cottage near the shore where the rough opening has shifted and a 1995 inland tract home where the framing is still square. We schedule crews from our San Francisco Bay Area office into Half Moon Bay every week, and we stock the marine-grade materials this town actually needs. Call (888) 635-0804 and you’ll get a live person, 24/7, not a voicemail tree.
Why TruePane Windows & Doors Is the Installer Half Moon Bay Calls Back
We measure twice. Every opening gets measured by a background-checked, uniformed technician, then quoted on paper with manufacturer lines side by side so you see exactly what you’re buying. No surprise line items on the bill.
We’re authorized installers for over a dozen manufacturers, including, PGT, and CGI. That matters in Half Moon Bay because not every manufacturer line has a coastal-rated frame option. We know which ones do and which ones don’t. We’ll show you the difference on paper.
We register both warranty layers in writing before the truck leaves your driveway. It’s a practice we call The Keystone Standard. The manufacturer’s frame warranty and the glass warranty both get registered, durations stated, nothing left to chance. If something isn’t done right, we make it right under our Done Right Promise. No paperwork fights. No arguing.
Dale Kessler founded TruePane in 2008, but his trade goes back further, to the family glass business and years of glazing heritage. The rule on his whiteboard hasn’t changed: if the pane is not true, the job is not done.
Our Window Installation Services in Half Moon Bay
Casement Windows
Casements seal tighter than anything else on the market because the sash presses against the frame when closed. In Half Moon Bay that matters. Prevailing northwest winds push rain and salt spray against every west-facing wall, and a casement with marine-grade stainless hinges and a fiberglass frame is the most reliable barrier you can put in that opening. Casement installations in Half Moon Bay typically run $950-$1,600 per window depending on size and whether we’re replacing a rotted wood frame or working with a clean rough opening.
Awning Windows
Awning windows open from the bottom and tilt outward, which makes them ideal for the fog-heavy mornings and damp marine air that settle over the 94019 zip code. They let you keep air moving even when drizzle is running sideways. We use stainless or anodized hardware on every awning we set near the coast, because standard zinc-plated operators corrode quickly. Pricing typically runs $800-$1,300 per unit in Half Moon Bay.
Fixed & Picture Windows
Fixed windows are the simplest install and the most common choice for west-facing living rooms where the view of the Pacific is the point. The glass does the work, so the frame has to hold it steady through wind-driven salt spray year after year. We spec fiberglass or marine-anodized aluminum on these by default in Half Moon Bay. Figure $700-$1,200 per window for a quality fixed or picture unit with a coastal-rated frame and proper flashing.
Single & Double Hung
Double hungs are the classic American window, and in Half Moon Bay they’re also the biggest source of service calls. The original wood sashes on pre-1980 homes swell in spring fog and stick all summer. We replaced a swollen, salt-pitted double-hung in a 1960s beach cottage near Miramar Beach with a Marvin fiberglass frame and stainless hardware. The original aluminum jamb had corroded so badly the sash wouldn’t stay open. We flashed the rough opening with marine-grade flashing tape, set a fusion-welded frame, and the homeowner finally stopped fighting fogged glass and sticking sashes every summer. Double hung installs here run $850-$1,400 per window, and that price gets you a frame that won’t pit within five years.
What happens when you call
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A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Half Moon Bay
We’re factory-authorized installers for more than a dozen manufacturers, which means we’re not married to one brand’s spec sheet. For coastal work we lean on PGT, CGI, and ES Windows because those manufacturers build frames and hardware rated for salt-air exposure. For cottage restorations and view-facing picture windows, we also work heavily with Andersen, Pella, and Marvin. We don’t list-stuff brands to impress you. We stock common hardware and rollers for the brands Half Moon Bay homeowners actually have, and we show you side-by-side quotes on paper so you see exactly what each line costs and why. For a full look at our service menu, visit our Window Installation page.
Common Window Installation Problems We See in Half Moon Bay Homes
- Powder-coated aluminum frames pitting within three to five years. On west-facing properties near the bluffs and Miramar Beach, the salt-laden marine air deposits chlorides on the frame surface. Once the coating is breached, the aluminum underneath oxidizes and the frame starts to fail structurally. No amount of cleaning fixes it; the frame needs replacement.
- Wood sashes swelling seasonally from fog moisture. Homes built before 1980, especially the beach cottages west of Highway 1, see wood windows swell in the wet marine layer every spring. Sashes bind, jam, and eventually rot at the jamb. This is the single most common service call we get in 94019.
- Insulated glass unit seal failure from salt air. The same salt aerosols that pit aluminum also work their way into the sealant around double-pane units. When the seal goes, argon leaks out and fog builds between the panes. Windows in Half Moon Bay lose their seal years earlier than identical units installed in San Mateo or Redwood City.
- Builder-grade flashing that never stood a chance. We regularly open up walls near the coast and find standard flashing tape that has peeled or degraded from constant moisture cycles. Rough openings need marine-grade flashing, sealed corners, and proper drainage paths or the new window inherits the old problems.
Pricing for Window Installation in Half Moon Bay, CA
We Also Serve Cities Near Half Moon Bay
Our crews handle full Window Installation in Half Moon Bay coverage, including the neighborhoods along the bluffs and the inland side of Highway 1. We also work regularly in El Granada, Burlingame, Millbrae, and Belmont, so if you’re just over a city line, call us anyway. The ocean doesn’t stop at municipal boundaries, and neither do we.
Serving Half Moon Bay, CA - Our Local Coverage Area
We’re based in the Half Moon Bay 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 - Window Installation in Half Moon Bay
Why do aluminum window frames corrode so fast in Half Moon Bay compared to San Mateo?
Because Half Moon Bay sits directly on the open Pacific with no geographic buffer, and the salt-laden marine air deposits chlorides on exposed aluminum surfaces every single day. San Mateo sits on the bay side, sheltered from open-ocean wind and salt spray. In Half Moon Bay, a standard powder-coated aluminum frame will show visible pitting and oxidation within three to five years on a west-facing wall. San Mateo frames might last ten to fifteen. If your house is anywhere near the bluffs or Miramar Beach, specify fiberglass or marine-anodized aluminum from the start. It costs more up front and far less over the life of the window. Call (888) 635-0804 for exact pricing on coastal-rated frames.
What window frame material should I choose for a west-facing home near Miramar Beach?
Fiberglass is the right answer for most west-facing homes in Half Moon Bay. It doesn’t corrode, it doesn’t rot, it doesn’t swell or shrink with fog moisture, and it holds its shape through wind-driven salt spray. Marine-anodized aluminum is a solid second choice if you need a slimmer frame profile for a view window. What you should not choose is standard powder-coated aluminum or untreated wood, both of which fail early in open-ocean conditions. We quote fiberglass and marine-anodized aluminum side by side on paper so you can see the price difference and understand exactly what you’re buying. Call us at (888) 635-0804 for a free estimate.
My wood windows stick every summer in Half Moon Bay - is that normal?
Yes, it’s normal for original single-pane wood windows on pre-1980 coastal homes. The persistent marine fog layer keeps moisture cycling through wood sashes from spring through fall, causing them to swell and bind against the jamb. The problem compounds in beach cottages west of Highway 1 where the fog is heaviest and the wood has had fifty or sixty years to absorb salt and moisture. We can plane and adjust in the short term, but the permanent fix is a fiberglass or composite window that doesn’t absorb moisture in the first place. A typical double-hung replacement in Half Moon Bay runs $850-$1,400 per window. Call (888) 635-0804 and we’ll tell you which approach fits your house.
How fast do window seals fail here compared to inland Bay Area homes?
Insulated glass units in Half Moon Bay lose their seal about 30-50% faster than identical units in San Mateo, Redwood City, or Palo Alto. Salt aerosols settle into the sealant edge, and the constant fog-driven moisture cycles work on the bond year-round. The result is fogged glass between the panes, lost argon fill, and degraded thermal performance, often within eight to twelve years instead of fifteen to twenty. That’s why we specify marine-rated glazing tapes and insist on manufacturers we know have strong coastal warranties. We register both warranty layers in writing before we leave your driveway. Call (888) 635-0804 to have a technician check your window seals.
Do I need special flashing or hardware for window installation near the bluffs?
Yes. Standard flashing tape and zinc-plated screws will not survive the wind-driven salt spray near the bluffs and Miramar Beach. We use marine-grade flashing on every coastal rough opening, seal the corners properly, and install stainless or anodized hardware on every operable window. The hardware matters as much as the frame, because a window with a good frame and corroded stainless-steel hinges still fails. If a contractor quotes you standard inland-spec flashing and hardware for a bluffside house, ask to see the spec sheet. Then call (888) 635-0804 and we’ll show you the difference.
Call TruePane for Window Installation in Half Moon Bay
If you live in Half Moon Bay and your windows are fogging, sticking, pitting, or leaking, give us a call at (888) 635-0804. We’ll send a uniformed, background-checked technician to measure your openings, quote frame materials side by side on paper, and register the warranty before the truck leaves. A live person answers 24 hours a day, 7 days a week. We’ll be there when we say, and we’ll stand behind the work in writing.
Written by Dale Kessler, Owner at TruePane Windows & Doors, serving Half Moon Bay with coastal-rated window installation and replacement.



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