Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Fast, Reliable Window Replacement Across Coronado
Window replacement in Coronado starts with the realities of the island: salt air, older framing, and marine moisture that works sideways into window openings. A typical full frame replacement in Coronado runs $900-$2,400 per window depending on the opening, the frame material, and what we find once the old unit comes out. Insert replacements run $550-$1,200 per window. We’ve been setting windows in Coronado long enough to know what hides behind the trim on a 1920s bungalow near the Hotel del Coronado and what the bay spray does to a sliding door track in the Cays. Call (888) 635-0804 and we’ll schedule a free estimate, measure twice, and put the numbers on paper before any work begins.
Why TruePane Windows & Doors Is Coronado’s Preferred Window Replacement Company
We’re not the cheapest bid in Coronado, and we don’t try to be. We’re the company homeowners call after a fogged seal or a corroded frame has already cost them once. Dale Kessler founded TruePane in 2008 on a rule that still names the company: if the pane is not true, the job is not done. Every install is covered by our Done Right Promise, and The Keystone Standard guarantees both manufacturer warranty layers are registered in writing, with durations stated, before the truck leaves your driveway.
Our crews know Coronado’s housing stock block by block. We’ve worked on late-1800s Victorians near Orange Avenue, mid-century residences in the central island, and modern waterfront homes in the Coronado Cays on the Silver Strand. We know which openings on the island still hold original single-pane wood sashes and which Cays properties have sliding doors with corroded rollers and pitted tracks from direct bay exposure. That local knowledge changes how we quote, what we inspect, and what we specify.
Coronado homeowners regularly tell us the same thing: a live person answered the phone, the technician showed up in uniform and on time, and the written quote matched the final bill. That’s the standard here. No voicemail trees, no regional call center, no surprise line items. We’ll be there when we say.
Our Window Replacement Services in Coronado
Full Frame Replacement
Full frame replacement means we remove the old window down to the rough opening and set the new unit into the framing itself. In Coronado, this is where we most often find what the salt air has been doing for decades: rotted jambs, compromised flashing, undersized framing that no longer meets code. A typical full frame replacement in Coronado runs $900-$2,400 per window, including the heavier marine-grade materials the island requires. We inspect the opening before we quote, and we write allowances into the contract so the number you approve is the number you’re working from.

Insert Window Replacement
Insert replacement keeps your existing frame in place and fits a new window unit inside it. For Coronado homes where the framing is still sound but the sashes are warped and the glass has failed, inserts are the lower-cost path. In Coronado, insert replacement typically runs $550-$1,200 per window. The catch is that the existing frame must be solid enough to hold a new unit. On older Coronado homes with hidden rot from decades of marine layer humidity, we’ll tell you plainly if an insert is a bad bet and a full frame replacement is the honest fix.

Storm Window Replacement
Storm windows in Coronado aren’t a seasonal accessory. They’re an additional layer of protection against salt spray, wind-driven moisture, and the marine layer that sits over the peninsula much of the year. We replace storm windows with marine-grade aluminum or fiberglass-clad units that don’t corrode the way standard aluminum does within blocks of the bay or the Pacific. Prices for storm window replacement in Coronado run $350-$850 per window depending on size and frame material.

Energy-Efficient Upgrade
Low-E glass and argon fill are not optional line items on Coronado. The peninsula’s persistent humidity and direct salt exposure mean that a single-pane wood window from the 1920s or a mid-2000s aluminum unit with a failed seal is leaking conditioned air around the clock. Energy-efficient upgrades in Coronado run $650-$1,800 per window for inserts and $1,000-$2,800 for full frame replacements with thermally broken fiberglass or clad-wood frames. Window replacement that meets current energy codes often changes what the permit reviewer requires once walls are open, and we handle that before it becomes a surprise.

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.
Trusted Brands We Service in Coronado
We’re an authorized installer for more than a dozen manufacturer lines, including Andersen, Pella, Marvin, Milgard, PGT, CGI, and ES Windows; for Coronado work we most often specify PGT, CGI, and ES Windows because their marine-rated assemblies hold up to the salt air and bay spray. We quote manufacturer lines side by side on paper so you can see exactly what you’re buying, and we register every warranty layer in writing before the truck leaves your driveway. Coronado homeowners work with background-checked, uniformed technicians who measure every opening twice and don’t guess at the framing underneath.
Common Window Replacement Problems We See in Coronado Homes
- Salt corrosion on hardware and tracks. Homes within a few blocks of San Diego Bay or the Pacific Ocean in Coronado see window locks, hinges, and sliding door rollers corrode years before inland homes. We specify stainless-steel hardware as the baseline on any job within sight of saltwater.
- Hidden wood rot behind old trim. The marine layer in Coronado keeps humidity high year-round, which means rot around window jambs can spread behind trim without showing on the surface. Full frame replacement is often the first time a homeowner sees the full extent of it.
- Undersized or damaged framing in pre-1960 homes. Older Coronado homes, particularly the late-1800s Victorians and early-20th-century bungalows near the Hotel del Coronado, were framed long before current code. Once walls are open, a permit often requires framing corrections that were never in the original quote.
- Failed insulated glass units from seal degradation. The salty, humid air in Coronado degrades rubber seals and glazing compound faster than almost anywhere else in San Diego County. Fogged glass and condensation between panes are the usual signs that an insulated unit has failed.
Pricing for Window Replacement in Coronado, CA
Window replacement pricing in Coronado runs wider than most of San Diego because of the island’s housing mix. Insert replacement runs $550-$1,200 per window. Full frame replacement runs $900-$2,400 per window, and energy-efficient upgrades with thermally broken fiberglass or clad-wood frames run $1,000-$2,800 per window. Historic window restoration on Coronado Victorians and early bungalows starts around $1,200 per window and goes up with the extent of the wood repair. What moves the number is what we find inside the wall: rotted jambs, failed flashing, inadequate framing that the permit reviewer flags. We write allowances into the contract for exactly that, and nothing gets touched without your written approval. Call (888) 635-0804 for a free estimate and we’ll put the exact numbers on paper.
We Also Serve Cities Near Coronado
TruePane’s Window Replacement team serves Coronado and the broader South Bay, including San Diego, National City, Chula Vista, and Imperial Beach. If you’re on the island or a few blocks off it, the salt air rules apply the same way. For more on how we work specifically in this community, see Window Replacement in Coronado and call (888) 635-0804.
Serving Coronado, CA - Our Local Coverage Area
We’re based in the Coronado 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 Replacement in Coronado
Because Coronado’s marine layer and salt air rot wall framing from the inside out, and you don’t see it until the old window comes out. A quote that doesn’t include written allowances for framing repair, waterproofing, or code-triggered corrections is a quote that will change once the wall is open. We inspect every opening before we quote and write allowances into the contract. If we find something we didn’t expect, we price it and get your written approval before we touch it. Call (888) 635-0804 and we’ll show you how the quoting works.
Thermally broken fiberglass or clad-wood frames with stainless-steel hardware are the baseline for any Coronado Cays property. Standard aluminum frames, even from the mid-2000s, show corroded rollers, pitted tracks, and failed seals within a decade of direct bay exposure. Fiberglass-clad frames don’t corrode, and stainless hardware doesn’t seize. It costs more up front and lasts far longer, which makes it the honest specification for a Cays home. Call (888) 635-0804 and we’ll walk through the options and prices for your specific opening.
Yes, it often will. Coronado’s late-1800s Victorians and early-20th-century bungalows were framed before modern building codes, and once a permit is pulled and the wall is open, the reviewer can require framing corrections that weren’t in anyone’s original window quote. We plan for that before we start. The permit gets pulled, the inspection happens, and any required framing work is priced and approved in writing before we proceed. That way the final bill doesn’t surprise you. Call (888) 635-0804 if you have a specific Coronado home in mind.
Yes. Insert window replacement keeps the existing frame and fits a new unit inside it, which is why it runs $550-$1,200 per window in Coronado, significantly less than full frame replacement. The condition is that the existing frame has to be structurally sound. If we find rot from the marine layer or salt spray, an insert won’t hold properly and we’ll tell you before you spend money on it. For Coronado homes with sound framing and failed glass, inserts are a straightforward, honest fix. Call (888) 635-0804 for an exact quote.
The marine layer keeps humidity over Coronado higher than inland San Diego year-round, and that moisture works into rubber seals and glazing compound, degrading them far faster than they’d fail east of the I-5 corridor. Once a seal fails, the argon or low-E gas escapes and the insulated unit fogs. In Coronado, we specify marine-grade seal systems and glazing compound that hold up to salt air, not the standard materials that are fine for Chula Vista or El Cajon. Call (888) 635-0804 and we’ll show you the difference on paper.
Get Your Free Window Replacement Estimate in Coronado
If your Coronado home has fogged glass, stuck sashes, corroded hardware, or framing that’s starting to show its age, call us. We’ll send a background-checked, uniformed technician to measure every opening, inspect what’s behind the trim, and put a written quote in your hands. Both manufacturer warranty layers get registered in writing before the truck leaves, and the Done Right Promise means if the pane is not true, the job is not done. Call (888) 635-0804 today and get a square deal, in writing.
Written by Dale Kessler, Owner at TruePane Windows & Doors, serving Coronado with window replacement, marine-grade installations, and the Done Right Promise.



Before
After
Before
After
Before
After