Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Fast, Reliable Custom Windows & Doors Across San Clemente
Custom window and door work in San Clemente runs $1,400 to $4,800 per opening for most residential replacements, and architectural grilles or custom shape units that match the Spanish Colonial Revival aesthetic typically add $600 to $1,900 per unit. For oversized glass panels or curtain wall sections, expect $180 to $320 per square foot installed. Those are real numbers from the San Clemente market, not brochure figures. We work the Pier Bowl, Rancho San Clemente, Forster Ranch, Talega, and every bluff-top parcel along Avenida Del Mar down to Calafia Beach. Call (888) 635-0804 and you’ll get a live person on the line, not a voicemail tree.
Why TruePane Windows & Doors Is San Clemente’s Preferred Custom Windows & Doors Company
Dale Kessler founded TruePane because he kept walking onto jobs where windows had been set out of true and warranties had been voided by sloppy paperwork. That’s been the standard ever since: every job covered by the Done Right Promise, every manufacturer warranty layer registered in writing before our truck leaves your driveway. San Clemente homeowners notice when a company operates that way. The local review pattern tells the same story: people mention that the quote matched the bill, that the crew showed up on time in uniform, and that when a seal failed on a fogged unit two months later, we came back and fixed it without an argument. That’s what a square deal looks like.
We also understand what San Clemente design-review boards actually ask for. Our crew has sat through enough HOA submittals in Rancho San Clemente to know that an arched window profile or a simulated divided lite pattern isn’t optional here. Dispatch and scheduling are coordinated from our Los Angeles office, and our crews serve San Clemente locally. When you call, we answer. When we commit to a date, we’re there.
Our Custom Windows & Doors Services in San Clemente
This is the work we do most often in San Clemente, and the local requirements that shape it.
Custom Shape Windows
San Clemente’s 1925 founding as a planned Spanish Colonial Revival community still shows up in every arched window, radius top, and mission-style opening from the Pier Bowl to the hills. When you replace one of these, an off-the-shelf rectangular unit will not clear design review. We order custom radius and arch-top units matched to your existing stucco openings, then file the elevation drawings with your HOA or city design board before install begins. That sequencing keeps the job from sitting half-finished while a committee reviews paper.

Architectural Grilles & SDLs
Simulated divided lites are the single most common design-review requirement in coastal San Clemente neighborhoods. The original bungalows near downtown used true divided lite wood windows, and modern boards expect the replacement to read the same from the street. We install SDLs inside dual-pane glass so you get the authentic look without the maintenance of true divided lites. For bluff-top homes near Rancho San Clemente, we usually specify SDLs inside fiberglass or marine-grade aluminum frames that will not pit in salt air.

Oversized Glass Panels
Hillside tract homes built from the 1980s through the 2000s on San Clemente’s eastern ridges feature wide picture windows and sliding glass doors aimed at the ocean. Those are exactly the units that absorb the most salt-laden UV exposure and fail first. We replace them with oversized insulated glass units rated for coastal wind load, often upgrading to impact-rated glass when the homeowner wants the added protection of a PGT or CGI product. Setting a 400-pound panel on a bluff-top home takes a crew that has done it before.

Commercial Storefront Glazing & Curtain Wall Systems
For San Clemente storefronts along Avenida Del Mar and the commercial blocks near North Beach, we handle storefront glazing, curtain wall repair, and full curtain wall replacement. Salt corrosion on aluminum mullions is a constant problem this close to the water. We inspect, specify, and replace with materials that hold up better, and we schedule work around your business hours so a torn-out storefront isn’t costing you walk-in customers all day.

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 Clemente
TruePane is an authorized installer for more than a dozen manufacturer lines, and we quote them side by side on paper so you see exactly what you’re buying. For San Clemente coastal homes, we frequently specify PGT and CGI impact-rated windows, ES Windows for modern architectural work, and Marvin for the wood-interior and fiberglass-exterior look that matches Spanish Revival homes. We keep a local inventory of common hardware, gaskets, and grille components for these lines, so repairs on San Clemente jobs don’t wait on a manufacturer’s national supply chain. When you call about a binding patio door or a fogged pane, we usually have the part on the truck or can source it locally within days, not weeks.
We also stand behind every install through The Keystone Standard: both warranty layers registered in writing, durations stated, before the truck leaves the driveway. That piece of paper matters more than a product brochure.
Common Custom Windows & Doors Problems We See in San Clemente Homes
- Aluminum frames pitting from salt spray. Bluff-top parcels in Rancho San Clemente and along the coast get direct onshore wind with no landform buffer. Aluminum frames oxidize and pit noticeably faster here than a few miles inland in San Juan Capistrano, and that pitting leads to failed seals and stuck rollers.
- Fog between dual panes from persistent marine layer. The marine layer that settles over San Clemente drives chronic condensation into older dual-pane units. Once the seal fails, argon leaks out and the window fogs permanently. We replace the IG unit and register the new warranty in writing.
- HOA design-review rejection. A replacement window or door without an arched profile or simulated divided lites gets bounced back by Rancho San Clemente and coastal HOA boards. We submit elevation drawings ahead of install so the project never stalls halfway through tear-out.
- Original wood jalousie windows in 1930s bungalows. Homes near the pier and downtown often still have single-pane wood-frame jalousie units. These require full-frame tear-out, not insert replacement, and we coordinate the stucco repair and trim to match the original Spanish detail.
Pricing for Custom Windows & Doors in San Clemente, CA
Here’s what San Clemente homeowners typically pay at TruePane. A standard custom replacement window in a tract home on the eastern ridges runs $1,400 to $3,200 per opening, installed with full-frame or insert method depending on the existing frame. An arched or radius-top custom unit with SDLs and a warm-finish frame runs $2,800 to $4,800 per opening. Oversized sliding glass doors with impact-rated glass start around $5,500 for a 12-foot opening and climb based on glass spec and wind load. Commercial storefront glazing runs $120 to $240 per square foot, and curtain wall replacement costs $180 to $320 per square foot depending on the system. You’ll get a written line-item quote before any work starts, and the number on that quote is the number on the bill. Call (888) 635-0804 for a free estimate.
We Also Serve Cities Near San Clemente
Our crews work San Clemente to Dana Point, San Juan Capistrano, Ladera Ranch, and Laguna Niguel. If you’re in one of those cities and need Custom Windows & Doors work done right, call us. And if you’re in San Clemente proper, we know your HOA’s submittal process cold. Custom Windows & Doors in San Clemente is the only work we worry about on this page, and we treat every opening like the pane has to be true.
Serving San Clemente, CA - Our Local Coverage Area
We’re based in the San Clemente 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 - Custom Windows & Doors in San Clemente
Yes, in most coastal and historic-district San Clemente locations, arched window profiles and simulated divided lites are required by city design review or your HOA, and failing to match them will delay or derail your permit. We handle that entire submittal for you. In the coastal bluff area near Rancho San Clemente, our crew replaced a set of salt-pitted aluminum sliders with Marvin fiberglass casement units featuring architectural grilles and simulated divided lites, then submitted elevation drawings to the HOA design board ahead of installation so the project never sat half-finished waiting on committee approval. For an exact quote on your project, call (888) 635-0804.
Standard aluminum frames on a San Clemente bluff-top home will typically begin pitting within five to eight years, so we often recommend fiberglass or marine-grade aluminum for those exposures instead. The replacement material choice depends on your home’s elevation, distance from the water, and HOA finish requirements. We quote options side by side so you can compare, and call (888) 635-0804 to have a walkthrough scheduled.
Fog between the panes means the insulated glass unit’s seal has failed, and San Clemente’s persistent marine layer accelerates this by driving condensation into older dual-pane assemblies year-round. Once the seal fails, the argon fill escapes and the window loses its insulating value. We replace the failed IG unit and register the new warranty layers in writing before our crew leaves. Call (888) 635-0804 for a fast diagnosis and a free quote.
Design-review approval in San Clemente typically adds two to four weeks to a window replacement schedule, depending on the board’s meeting calendar and whether our first submittal packet is complete. We sequence the work around that timeline: we measure, order, and file your elevation drawings early, so your custom units arrive about the time approval clears. That keeps a torn-out opening from sitting open for a month. We will not schedule demolition until the board signs off. Call (888) 635-0804 and we’ll walk you through the likely timeline for your neighborhood.
You can, but if that 1930s Spanish bungalow sits in a San Clemente historic or coastal-design-review zone, your proposed double-hung units will likely need to be a full-frame tear-out that preserves the original arched opening dimensions and adds simulated divided lites to match the Spanish Revival character. Some boards will accept true divided lite wood and others want modern materials that replicate the look. We prepare the submittal packet and install the units to match the board’s ruling. A free estimate at (888) 635-0804 will give you a clear answer for your specific address.
Written by Dale Kessler, Owner at TruePane Windows & Doors, serving San Clemente with the Keystone Standard.



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