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ECO Window Systems Bathroom Remodeling: The San Jose Owner’s Guide
Bathroom remodeling around ECO Window Systems windows and frames in San Jose runs $10,620 to $33,040 installed, depending on how much structural repair the opening needs and what finish work you’re doing around the glass. We stock ECO-compatible trim, flashing, and sealant kits on our trucks, and we can usually start a bathroom remodel that involves ECO window work within a week of the written estimate. Most San Jose homeowners call us after they notice water staining on the drywall beneath an ECO window, or when they pull old tile and find the window flange is rusted through behind the wall.
Here’s the straight answer: if your ECO window frame is still square and the glass isn’t cracked, the remodel usually works around it. If the frame is rotted, the nailing flange is compromised, or the rough opening has shifted, the window comes out and gets reset before any waterproofing or tile goes back in. That’s the difference between a bathroom that leaks again in two years and one that stays dry through twenty San Jose wet seasons.
Which ECO Window Systems Models This Applies To
ECO Window Systems builds a handful of vinyl and aluminum lines that show up across San Jose residential work. The most common units we work around in bathroom remodels are the ECO 2000 and ECO 3000 series vinyl sliders and picture windows, plus their aluminum-frame casement line that pops up in mid-century homes in Willow Glen and West San Jose. Each series uses a different channel depth on the frame, so the trim kit that fits a 3000 will not seat properly on a 2000. That mismatch is one of the most common causes of failed bathroom window trim we see, and it’s a two-minute check when we do the site walk.
If you’re not sure which ECO series you have, look for the etched logo in the bottom corner of the glass or the small printed label on the inside edge of the sash. It’ll list the series number and the glass pack code. The glass pack matters for bathrooms: ECO offered a tempered, obscured option for privacy glazing, and if the unit is original to the home, it may not be tempered. Under current California building code, any window within 60 inches of a tub or shower pan has to be safety glazing. We flag that in writing when we quote the remodel. Bradford Remodeling Co San Jose is an independent contractor, not an ECO Window Systems dealer or affiliate, so we’ll tell you straight whether to keep the unit or pull it.
The OEM-versus-aftermarket decision on ECO is simpler than most brands. ECO’s niche is mid-market, and their trim and seal profiles are shared across several manufacturers’ lines. Quality aftermarket flashing and sealant kits spec’d to the channel depth hold up as well as ECO-branded trim, and they cost about 30 percent less on average. We use both, depending on what the opening needs. What we never do is slap a universal trim kit over an ECO frame and call it waterproof. That’s not a repair. That’s a leak waiting for the next shower season.
Styles & brands we work with
Signs Your ECO Window Systems Bathroom Remodeling Is Failing
- Water staining or peeling paint on the drywall below the window. This almost always means the sill flashing or the jamb seal has failed and water is wicking behind the wall. Left alone in a San Jose bathroom, that moisture feeds mold inside the cavity within months.
- Condensation trapped between the panes. The thermal seal on the insulated glass unit has failed. You can’t fix that in place. The sash or the IGU gets replaced, and if you’re remodeling anyway, that’s the time to do it, not after the tile is up.
- A window that sticks or won’t close square. The rough opening has moved, or the frame has warped from moisture. In older San Jose ranch homes, foundation settling is common, and a bathroom window that binds is often the first sign the rough opening needs to be re-squared and re-shimmed.
- Black staining or soft drywall where the wall meets the window jamb. The waterproofing behind the tile has failed and the substrate is holding water. By the time you see it, the damage usually extends into the framing. That’s a gut-and-reframe section, not a caulk job.
- Rusted or missing screws on the interior frame corners. This is a tell that the window has been flexing from water weight or settling. A rusted corner means water has been sitting inside the frame channel, and the structural connection is degraded. On a bathroom window, that’s a remove-and-reset before any new surface work.
See the difference
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After
Before
After
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AfterReplacement Cost & What’s Included
In San Jose, a bathroom remodel that includes ECO window work runs $10,620 on the low end, where you’re keeping the existing window, re-waterproofing the opening, and doing a standard tub or shower surround with mid-grade tile. The $33,040 end is a full gut-out: removing the ECO unit, re-framing a rotted rough opening, new tempered glass where code requires it, full Kerdi or equivalent waterproofing system, and floor-to-ceiling finish work with a frameless glass enclosure.
What drives the spread between those two numbers:
- Window condition. Keep it and re-seal: a few hundred in flashing and sealant. Pull it and reset: $1,200 to $2,400 depending on access. Full replacement with a new tempered unit sized to the old opening: $2,800 to $5,600 installed.
- Framing damage. Rotted king and jack studs around a bathroom window in San Jose run $900 to $2,200 to reframe, including the rough sill rebuild and shim work.
- Waterproofing scope. A three-wall tub surround with cement board and a surface-applied membrane is the entry point. A full wet room, bench, and niche layout with a bonded drain is the top of the range.
- Finish level. Ceramic tile and a curtain rod versus large-format porcelain with Schluter trim and a custom glass panel. That’s a real $8,000 swing on an average San Jose bathroom.
Every price we quote is a written line-item number before work starts. No change orders unless you change the scope. That’s how Curtis Lane built Bradford Remodeling Co San Jose: flat-rate pricing, written scope, and a signed guarantee in your hand before we load a single tool. The 365-Day Done Right Promise covers every bathroom remodel we complete. If something we touched fails within that year, we come back and make it right at no charge.
DIY or Call Us?
You can safely re-caulk the interior face of an ECO window frame and tighten the trim screws. Those are homeowner-level tasks and they’ll buy you a month or two if the leak is small. What you should not do is pull the window, strip the waterproofing layer, or cut into the wall cavity around a bathroom window. That work involves the structural connection of the frame to the rough opening, and on a bathroom wall that also means the waterproofing system that keeps shower water out of the framing. Get that wrong and the fix costs three times what the original repair would have run.
If you’re in San Jose and you’ve got water staining, soft drywall, or a window that won’t close square, the smart move is a site walk. We’ll give you a written price for the window work and the remodel as one scope. Straight number, written scope, done when we said done. Call (669) 272-2637.
FAQs
Plan on 15 to 25 years for the vinyl units and 20 to 30 for the aluminum frames, depending on sun exposure and how well the original install was flashed. San Jose’s dry summers are less punishing than coastal salt air, but west-facing bathroom windows take hard afternoon light and the thermal seals tend to fail first on that elevation. If your home is 20-plus years old and you’re remodeling the bathroom anyway, budget for a window reset or replacement in the same scope, not a year later. Call (669) 272-2637 and we’ll price it both ways in writing.
Yes, if the frame is square, the glass is intact, and the flange isn’t corroded. We can re-flash the opening, replace the interior trim with the correct ECO series profile, and install a new sill pan, then waterproof around it. If the thermal seal is blown or the glass isn’t tempered, replacement is the only correct fix. We’ll tell you which one your window needs when we do the walk. Estimates are free; call (669) 272-2637 to schedule one.
A standard tub or shower surround with window re-flashing runs five to seven working days in San Jose. A full gut-out with framing repair, window replacement, and floor-to-ceiling finish work runs two to three weeks. We give you a written schedule with the written price, and we hold to it. The 365-Day Done Right Promise starts the day we hand you the signed guarantee, not the day you sign the contract.
We stock the common trim profiles, flashing kits, sill pans, and sealant tubes that match ECO’s channel depths on our trucks when we’re working San Jose bathroom jobs. If your opening calls for an aftermarket kit sized to the series spec, we’ll have it staged before demo day. For full sash or IGU replacement, we order to the exact glass pack code from the label, which takes three to five business days. We also carry parts for KraftMaid, Cambria, and Silestone when a bathroom project extends into cabinetry and countertops. Call (669) 272-2637 for a free estimate and we’ll confirm what’s on hand for your window.
Written by Curtis Lane, Owner, Bradford Remodeling Co at Bradford Remodeling Co San Jose, serving San Jose and nearby areas.
