Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Sliding glass doors
Impact garage doorsPGTCGI
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AfterFast, Reliable Impact Windows & Doors Across San Carlos
Impact windows and impact doors in San Carlos are a wind-mitigation upgrade, a seal-failure fix, and a retrofit challenge all in one job. Most homes in the 94070 are mid-century ranch or split-level construction, and the original aluminum windows have had six or seven decades of bay moisture working on them. A typical full-frame impact window replacement in San Carlos runs $1,400 to $2,900 per opening, and an impact sliding glass door runs $4,500 to $9,500 depending on size, frame material, and access. If you’re weighing options, call (888) 635-0804 and we’ll walk you through what your house actually needs, not what a catalog assumes.
We work the tight lots and steep streets from the eastern flatlands off El Camino Real up into the western hills where driveways have real grade. We know the difference between a retrofit insert that will work and an insert that will fail inside a soft wood rough opening. That’s the difference between a warranty that holds and a callback in two years.
Why TruePane Windows & Doors Is San Carlos’s Preferred Impact Windows & Doors Company
TruePane Windows & Doors has been installing Impact Windows & Doors across the Peninsula since 2008, and Dale Kessler still runs the company on one rule: if the pane is not true, the job is not done. We hire local, we train apprentices into journeymen, and we show up to a San Carlos job site prepared for what the houses here actually present.
San Carlos homeowners call us because we answer the phone, live, 24 hours a day. Not a voicemail tree, not a callback form, not a regional answering service. When a hillside homeowner on a steep street near Brittan Avenue discovers their impact entry door won’t latch after the clay has shifted, we want them to get a person on the first ring who knows what they’re describing. That’s the standard.
Our San Carlos customers get background-checked, uniformed technicians who measure every opening twice, quote manufacturer lines side by side on paper, and register both manufacturer warranty layers in writing before the truck leaves the driveway. That’s The Keystone Standard, and it’s on every job. We also carry the Done Right Promise: if it’s not done right, we make it right, no paperwork fights, no fine print.
Our Impact Windows & Doors Services in San Carlos
Hurricane Impact Windows
In the eastern flatlands between El Camino Real and the bay, the 1940s and 1950s ranch homes were built with single-pane aluminum or steel-frame windows that have spent sixty-plus years absorbing wind-driven marine moisture. The aluminum corrodes, the rough opening framing underneath softens, and a retrofit insert becomes a gamble. What we do most often in San Carlos is a full-frame tearout-and-replace: old window out, soft framing repaired or re-built, new impact-rated window flashed and set true. A standard 36-by-60 impact single-hung in San Carlos starts around $1,400 installed, including full-frame work and manufacturer registration.
Impact Sliding Glass Doors
On a steep hillside street in the western part of San Carlos, our crew was called to replace an impact-rated sliding glass door that had racked badly out of square. Expansive clay soils had shifted the slab, so the door wouldn’t latch by February. We pulled the frame, shimmed the jamb, set a new impact sliding door with low-E glass and argon fill, and flashed the opening to keep wind-driven rain from the northwest from breaching the threshold. That’s the job: not hanging a new door in a wall that’s already moving, but making the new opening square before the door goes in. Expect $4,500 to $9,500 for an impact slider in San Carlos, dependent on width and whether structural shimming is needed.
Impact Entry & French Doors
Clay-soil movement is a chronic service issue on the sloped lots above San Carlos Avenue, and impact entry doors take the brunt. A door that swings freely in October can be impossible to latch by February. We rehang more than we replace on some hillside blocks, but when replacement is the call, we pull the frame, address the rough opening, and set the new impact-rated entry door so the threshold drains and the weatherstrip actually meets the jamb. CWS, CGI, and ECO Window Systems all make impact entry doors with multi-point locking, and we’ll quote them side by side on paper.
Impact Garage Doors
Garage doors are the largest opening in the house and the one most willing to rack in a wind event. In San Carlos, many garages were built tight to the side setback, which means the door opening has less framing around it than modern code wants. We install impact-rated garage doors and reinforce the surrounding jambs so the door holds under wind load instead of folding inward. We don’t hand this to a generalist: the same crew that handles your windows and doors handles the garage opening, with one square set of measurements and one warranty package.
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 San Carlos
We’re an authorized installer for over a dozen manufacturer lines, including, PGT, and CGI. For San Carlos specifically, we stock parts and lead times for CWS, ES Windows, and ECO Window Systems so hillside homeowners get access to premium custom-sized systems that many installers don’t carry. You’ll see the manufacturer’s published spec sheet, the line-item price, and the warranty term in writing before you sign anything. No one gets a one-line proposal with “impact windows” and a lump sum.
Common Impact Windows & Doors Problems We See in San Carlos Homes
- Corroded original aluminum frames on eastern-exposure windows. Wind-driven moisture off the bay reaches the rough opening, softens the wood, and forces full-frame replacement rather than insert retrofits. We see this every week on ranch homes in the flatlands near Laurel Street.
- Fog between impact window panes from failed IGU seals. Daily thermal cycling from morning marine fog to afternoon warmth stresses the sealant and strips the argon fill. Once fog appears, the window’s thermal performance is done; no desiccant will fix it.
- Racked impact entry doors on hillside lots. Expansive clay saturates each wet season and shifts slab or post foundations on sloped lots. A door that latched cleanly in October will not by February, and the fix is a frame pull and rehang, not a hinge adjustment.
- Leaking impact sliding door thresholds on west-facing assemblies. Strong afternoon northwest winds drive rain horizontally into hillside door openings. If the threshold flashing wasn’t set with a proper pan and slope, water follows the frame into the subfloor.
Pricing for Impact Windows & Doors in San Carlos, CA
Here’s what San Carlos homeowners should budget. Impact windows run $1,400 to $2,900 per opening installed, with full-frame rather than insert work at the higher end. Impact sliding glass doors run $4,500 to $9,500 depending on width, frame material, and whether the rough opening needs structural correction. Impact entry doors run $3,200 to $7,800, with multi-point locking and clay-soil rehanging as common variables. Impact garage doors run $3,000 to $7,500. Permits and engineering, where required for hillside work, add a line item and take one to two weeks. We don’t bury change orders in the contract, and we don’t show up with a number that moves after the walls are open. Call (888) 635-0804 for a free written estimate, line by line.
We Also Serve Cities Near San Carlos
TruePane serves San Carlos and the surrounding Peninsula communities including Impact Windows & Doors for homeowners in Belmont, Redwood City, Atherton, and Menlo Park. The marine moisture, clay soil, and postwar housing stock repeat across this corridor, and we know the failure patterns in each. If you’re in a neighboring city and want a local crew that understands mid-century framing, call us for a written estimate.
Serving San Carlos, CA - Our Local Coverage Area
We’re based in the San Carlos 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 - Impact Windows & Doors in San Carlos
The original aluminum-frame windows in San Carlos homes are set into wood rough openings that have absorbed decades of bay-adjacent marine moisture, leaving the surrounding framing soft and unreliable for insert-style replacements, and the eastern-exposure corrosion accelerates the problem. A retrofit insert relies on the old frame and rough opening being sound; when they aren’t, the insert leaks air and water at the jamb. Call (888) 635-0804 and we’ll open one wall and show you what’s actually there before we quote either approach.
We stage from the street on a smaller footprint and map the path from the truck to the opening before the first haul passes, so a shared-wall job on a narrow lot doesn’t pile material against a neighbor’s fence. We coordinate parking with you ahead of time, keep walkways clear, and sweep and remove debris daily. Lot access is part of the quote, not an excuse for a change order.
Fog between panes means the insulated glass unit seal has failed: the daily thermal cycling from San Carlos morning marine fog to afternoon warmth has fatigued the sealant, and the argon fill has escaped. The glass unit itself is the failure point; the correct fix is replacing the IGU through the manufacturer’s warranty path, and if the frame is also corroded, a full-frame replacement is the honest call. Call us and we’ll tell you which one applies to your window after a visual inspection.
Replacing windows and doors like-for-like in San Carlos typically falls under a straightforward alteration permit, but hillside work can trigger additional engineering review when structural elements are disturbed, and some overlay districts have specific requirements for visible elevations. We pull permits when they’re required and we pass inspections. What we won’t do is tell you a permit isn’t needed just to make the bid look smaller. Call (888) 635-0804 and we’ll tell you what applies to your address.
If the truck can’t get within a reasonable haul distance, if every window has to come up a switchback, or if shared walls mean we have to hand-carry through a narrow side gate, that labor is in the number from the start. We walk the property before we quote and put the access plan on the page next to the line items. You know the job’s real cost before the first window ships, and you can reach a live person at (888) 635-0804 with any question about your estimate.
Written by Dale Kessler, Owner at TruePane Windows & Doors, serving San Carlos and the broader Peninsula since 2008.