







Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
ES Windows Bathroom Remodeling: The Ventura Owner’s Guide
ES Windows bathroom remodeling in Ventura typically costs between $9,000 and $28,000 installed, depending on whether you’re replacing a leaking window unit inside a shower surround or reworking the entire bathroom around ES Windows’ specific frame dimensions. We stock and install ES Windows-compatible bathroom window units and the surrounding waterproofing systems, and most window replacements inside a bathroom can be completed in one to two days once the unit arrives. Homeowners usually discover they need this work when water stains bloom on the drywall below the window, when the window won’t close tightly against Ventura’s coastal wind, or when mildew keeps returning around the frame no matter how often they scrub.
If you’ve got an ES Windows product that’s failed in a bathroom, you don’t need a sales pitch. You need someone who can identify the exact unit, get the right replacement ordered, and put it in without wrecking the tile surround. That’s what we do. Graham Stein and our crew have handled ES Windows replacements in bathrooms across Ventura, from Midtown ranchers to hillside homes near Grant Park, and we write the scope of work down before any demolition starts.
Which ES Windows Models This Applies To

ES Windows manufactures aluminum-framed windows and doors in a range of series lines, and the bathroom installations we see most often in Ventura fall into two categories: standard fixed or awning windows installed above a tub or beside a vanity, and larger sliding or casement units in master baths with exterior walls. The compatibility issue that trips people up is the frame depth. ES Windows units built for residential stucco exterior walls in Ventura County generally use a frame depth of 3-1/4 inches or 4-1/2 inches, and if you order a replacement with the wrong depth, the interior trim won’t sit flush against the tile. We measure before we order. Every time.
To identify your specific unit, look for the ES Windows label etched into the corner of the glass or stamped on the frame’s interior edge. It lists the series code and the glass package. If the label has worn off, we match the unit by measuring the rough opening, the visible glass dimensions, and the frame profile. On the OEM-versus-aftermarket question: ES Windows uses specific weatherstripping profiles and corner joinery that generic off-brand replacements don’t replicate well, especially in a wet room. For a bathroom, we recommend staying with an OEM ES Windows unit or a direct from the ES Windows network of authorized suppliers, because the gasketing has to hold up to daily steam and shower spray. We also stock compatible bathroom window parts for KraftMaid, Cambria, and Silestone projects when the window sits inside a larger remodel.
Styles & brands we work with







Signs Your ES Windows Bathroom Remodeling Is Failing
- Condensation between the glass panes. The insulated glass seal has failed. In a bathroom, the constant humidity accelerates seal breakdown faster than in any other room. Once the seal goes, the window can’t insulate and the glass fogs permanently. Replacement glass or a new sash is the fix.
- Water staining on the drywall or baseboard below the window. This usually means the window’s weep holes are clogged or the exterior flashing has pulled away. In older Ventura homes near the coast, salt air corrodes the aluminum frame’s finish and lets moisture wick into the wall cavity. Waiting makes the rot worse.
- The window won’t close or latch without forcing it. Aluminum frames expand and contract with temperature swings, and after years of Ventura’s hot afternoons and cool evenings, the frame can rack slightly out of square. Forcing the latch eventually bends the hardware.
- Mildew keeps returning around the frame or along the tile grout line. Water is getting behind the frame’s caulking. Re-caulking over the top masks the problem for a few months. The water entry point has to be found and the flashing corrected.
- You can feel a draft through the closed window while standing at the sink. The weatherstripping has compressed or torn. In a bathroom, this means warm shower air escapes and pulls in cooler outside air, which feeds condensation and mold growth on every surface.
See the difference
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After
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AfterReplacement Cost & What’s Included

In Ventura, an ES Windows bathroom replacement or bathroom remodel involving the window unit runs $9,000 to $28,000. At the lower end, you’re looking at replacing a single fixed or awning window above a tub, including removal, new flashing, and interior trim restoration, without touching the tile. At the upper end, the scope includes a full bathroom gut-out: moving or enlarging the window opening, new waterproofing from Schluter, new tile surround, new fixtures, and a window unit sized to the new layout. What drives the range: whether the tile surround has to be cut into, whether the exterior stucco is damaged behind the frame, whether the existing rough opening matches a stock ES Windows size or needs custom sizing, and whether you’re adding glass with a Low-E coating for afternoon sun exposure.
Every estimate from Elmstead Remodeling Ventura includes a written price before any work starts. The line items name the window unit, the flashing material, the waterproofing, the labor, and the final cleanup. No number changes after the crew arrives unless you ask to expand the scope. Our 365-Day Done Right Promise covers the finished project: if the window isn’t sealed right or the trim isn’t done right, we make it right.
DIY or Call Us?
There are safe things an owner can check. You can clear the weep holes at the base of the ES Windows frame with a small brush. You can clean the track with a damp cloth and check whether the gasket is visibly torn. You cannot safely replace a bathroom window that’s set into a tile surround or above a tub. Removing the old unit means cutting through waterproofing and flashing, and if the water barrier isn’t rebuilt correctly behind the tile, you’ll have water running down the inside of your wall within a year. That’s the failure pattern we see most often after a homeowner or a handyman swap: the window looks fine from inside, and nine months later the baseboard is swollen and the first stud is black with rot. In a bathroom, the window is part of a waterproofing system, not just a hole in the wall. Call (341) 218-4316 and we’ll talk through what you’ve got.
FAQs

In Ventura’s climate, an ES Windows aluminum unit in a bathroom typically lasts 20 to 30 years before the frame finish fails or the glass seal breaks down. Constant bathroom humidity and coastal salt air cut that lifespan compared to the same window in a dry inland room. Regular cleaning of the weep holes and prompt re-caulking at the frame edges when caulk cracks extends the life of the unit.
If you’re seeing early seal failure or frame corrosion, call (341) 218-4316 for an exact quote. Estimates are free.
Sometimes. If the glass seal has failed but the frame and hardware are in good condition, the insulated glass unit can be replaced without removing the frame from the wall. If the frame itself is corroded, racked, or leaking at the corners, patching won’t fix the water entry problem. We replace only what needs replacing and we tell you honestly when a repair would be throwing money away.
Call (341) 218-4316 and we’ll look at the unit with you before recommending a direction.
For a straightforward ES Windows replacement with no tile damage, the swap takes one to two days. If the surrounding tile needs to be cut out and rebuilt around the new unit, expect three to five days including waterproofing cure time. We schedule around your family’s rhythm, which means quiet tools during nap and school hours where possible, and drop cloths down before the first board moves.
Call (341) 218-4316 to schedule your free estimate and we’ll give you a written timeline with the written price.
We don’t warehouse every ES Windows size in Ventura, because the frame depth and series codes vary too widely. What we do is measure, match the correct unit through ES Windows’ supply network, and confirm the order before we schedule the install. For common sizes, the unit arrives within a week to ten days. We keep the weatherproofing, flashing, and Schluter waterproofing materials on the truck so the install isn’t waiting on parts.
Call (341) 218-4316 with the label info from your window and we’ll tell you what we’re looking at and when it can be in.
Written by Graham Stein, Owner, Elmstead Remodeling Ventura at Elmstead Remodeling Ventura, serving Ventura and nearby areas.


