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ES Windows Bathroom Remodeling: The San Diego Owner’s Guide
If your ES Windows bathroom hardware has failed, or the window itself has fogged, warped, or stopped closing against the San Diego marine air, you need a straight answer on what it costs to make it right. Replacing or rebuilding an ES Windows bathroom window as part of a larger remodel in San Diego typically runs $10,620 – $33,040 for a full bathroom project that includes the window work, waterproofing, tile, and fixtures. We stock the common ES Windows replacement parts on our trucks, and we’re honest about what’s worth replacing versus what’s worth rebuilding. Most owners notice the problem the first morning they see condensation between the panes, or when the crank mechanism gives out and the window won’t seal shut.
Which ES Windows Models This Applies To
ES Windows are common in mid-century and custom-built homes across San Diego, from Point Loma ranchers to newer builds in Scripps Ranch and Carlsbad. The bathroom windows we service most often are the ES Windows horizontal sliders and casement-style awning windows, usually in sizes ranging from 24 to 48 inches wide. One compatibility gotcha: ES Windows made before roughly 2010 used a different track roller profile than current production, so a replacement roller from the new series will bind in an older frame. We measure the roller diameter and the track gap before ordering anything. If your window has the manufacturer sticker on the upper frame or the inside track edge, take a photo of it before you call. If the sticker’s gone, the glass etch in the corner usually carries a code we can match. ES Windows has always done a lot of custom sizing, so “close enough” parts from a big-box store almost never seat correctly. That’s the main reason aftermarket generic hardware ends up in the trash six months later. We use OEM ES Windows parts where the window is still in production, and we spec a quality aftermarket equivalent only when the OEM part is discontinued and the geometry is an exact match. If you’re already doing a full bathroom remodel in San Diego, we’ll often recommend replacing the window outright rather than rebuilding a 25-year-old frame, especially if the rough opening is getting re-waterproofed anyway. Penhallow Remodeling San Diego is an independent remodeling contractor, not affiliated with ES Windows. We stock and install their parts because these windows are everywhere in this city, and homeowners deserve a contractor who knows the difference between a 1998 roller and a 2018 roller.
Styles & brands we work with







Signs Your ES Windows Bathroom Remodeling Is Failing
- Condensation between the panes. The seal has failed. The insulating gas has escaped, and now you’re looking at trapped moisture between two pieces of glass. In San Diego’s coastal humidity, this is the number one reason bathroom ES Windows get replaced. The fix is a new insulated glass unit, not a defogging kit.
- The crank turns but the window barely moves. The operator mechanism or the torque bar has stripped. On ES Windows casement bathroom windows, the gear teeth inside the crank housing wear down after years of daily use in a damp room. Force it and the handle snaps off in your hand.
- Water staining on the drywall below the window. The weep holes in the bottom track are clogged, or the perimeter seal has pulled away from the stucco. Water pools in the track, spills over, and rots the framing underneath. By the time you see the stain, you usually need more than a caulk tube.
- The window won’t lock, or it locks but still rattles. The lock keeper is worn or the sash has sagged. A bathroom window that won’t close properly lets humid air in and makes the exhaust fan work twice as hard. It’s also a security issue if the window is at ground level.
- Foggy glass that won’t wipe clean. That’s mineral etching on the interior surface, common in San Diego bathrooms with hard water. The glass is permanently scarred, and cleaning products won’t fix it. The glass unit needs replacing, and this is often cheaper than people expect when the frame is still square.
See the difference
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After
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AfterReplacement Cost & What’s Included
A standalone ES Windows bathroom window replacement with a properly color-matched frame and a new insulated glass unit typically runs $5,900 – $14,160 depending on size, finish, and whether the rough opening needs reframing. A full bathroom remodel that includes the ES Windows replacement, tile, a new vanity, and waterproofing runs $10,620 – $33,040 in San Diego. What pushes the number up: custom sizing, second-floor access, rotted framing that needs to be cut out and rebuilt, and tile work that has to come out to get the old window free. What pushes it down: a standard opening, a first-floor window with easy exterior access, and a frame that doesn’t need full replacement. You get a written price before we start. The number on that paper is the number on your invoice. The ES Windows work carries our 365-Day Done Right Promise in writing: if it fails inside a year, we come back and fix it at no charge, and the second trip is free.
DIY or Call Us?
You can safely check a few things yourself: look at the etch code on the glass, note whether the window is a slider or a casement, and take a measurement of the visible glass width and height. That’s useful information to have when you call. Where DIY goes wrong on ES Windows bathroom units is the removal. These windows are set into waterproofed openings with a nailing flange behind the stucco or trim. Cutting one out without knowing how the flashing was layered will leak, and in a bathroom you won’t see the rot until the tile turns brown. The glass unit itself is tempered in most bathroom applications and heavy enough to break on a ladder with one wrong turn. If the frame is still square and only the glass or hardware failed, that’s a clean in-frame repair we can usually do in a morning. Call us at (619) 604-9624, tell me what you’ve got, and we’ll get you a written number before anyone touches the wall.
FAQs

Expect 15 to 25 years from the frame and hardware, and closer to 12 to 18 years from the insulated glass seal, depending on how much direct sun and salt air the window gets. Coastal homes in La Jolla and Pacific Beach tend to lose seals faster than inland homes in Poway or Santee. If your window is past the 20-year mark and failing, it’s usually smarter to replace than repair. Call (619) 604-9624 and we’ll help you figure out which side of that line you’re on.
Yes, if the frame is square and the failure is isolated to the glass unit, the rollers, or the crank mechanism. Those are all serviceable parts. If the frame has dry rot, the stucco flashing is pulling away, or the window is simply at end of life, repair money is wasted money. We’ll tell you plainly which one you’re facing.
An in-frame glass or hardware replacement takes 2 to 4 hours on site. A full window replacement with exterior flashing and interior trim is a full day, sometimes two if tile removal is involved. We give you a real arrival window and we stick to it.
We stock the common ES Windows rollers, crank mechanisms, lock kits, and a selection of standard insulated glass units. Custom glass and oddball frame finishes are ordered and typically arrive within 7 to 10 business days in San Diego. We’ll tell you up front which category your window falls into before we schedule the work.
Written by Trevor Nash, Owner, Penhallow Remodeling San Diego at Penhallow Remodeling San Diego, serving San Diego and nearby areas.


