Windows & doors
Kitchen remodeling
Bathroom remodeling
Home additions & ADU
Roofing
Driveway & pavers
FenceFree written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
ES Windows Construction in Mount Hermon, CA | Seaside Contractors
ES Windows service in Mount Hermon means working on window and door systems that face fog, redwood shade, and wildland-urban-interface fire codes all at once. We’re an independent construction company that installs and repairs ES Windows products across the Santa Cruz Mountains, and we handle the tree-protection and fire-hardening requirements that come with Mount Hermon’s forest setting. If your ES windows are fogged, sticking, or leaking, call (833) 589-8103 for an assessment.
Why Mount Hermon Residents Choose Us for ES Windows Service
We’ve worked on ES Windows Series 8000 aluminum sliders, Series 1200 vinyl sliders, Series 5000 casements, and Series 3000 awnings in cabins and conference buildings throughout the 95041 ZIP code. Mount Hermon’s combination of heavy winter rain and persistent canopy shade means window failures here rarely look like ES Windows repair in Scotts Valley or Santa Cruz. Fogged dual-pane units, rotted subframes behind unflashed flanges, and tracks gummed with redwood needles show up constantly. Glen Sorrento grew up watching lagoon-side homes get built and rebuilt in Foster City, then studied building construction technology at College of San Mateo before spending decades on Peninsula remodels and re-roofs. That background means we diagnose the hidden water damage behind a failing window, not just the visible symptom. We’re an independent ES Windows service provider, not manufacturer-affiliated, so our loyalty is to the repair that actually holds up in Mount Hermon.
Styles & brands we work with







Common ES Windows Construction Problems We Solve in Mount Hermon
- Fogged dual-pane glass. Older ES Windows dual-pane units lose their argon or krypton seal after years of Mount Hermon’s temperature swings, leaving permanent condensation between panes. In shaded canyon rooms that never get direct sun, the fog never burns off, and the pane looks milky for months. We replace the insulated glass unit rather than the entire window when the frame is still sound.
- Water staining on interior sills. Mount Hermon’s wet season brings weeks of fog and rain, and aluminum-frame ES windows run cold enough to draw interior moisture to the inner sill. What looks like a leak is frequently condensation, but it can also point to failed weatherstrip or a missing drip cap. We’ll tell you which one you have before recommending any work.
- Rotted subframes behind flanges. ES Windows flanges that were never properly flashed let water run behind stucco or redwood siding, rotting the rough framing and the surrounding siding. Mount Hermon’s older cabins, many built in the 1940s through 1960s, show this damage frequently. Fixing it means pulling the window, sistering or replacing framing, and flashing the new unit correctly.
- Sticking or swollen tracks. North-facing walls under redwoods accumulate moss and redwood needles that find their way into vinyl slider tracks and casement hinges. The tracks swell with absorbed moisture, the rollers bind, and the sash doesn’t close tightly. We clean, rebuild, and replace rollers and balances with OEM ES Windows parts whenever they’re available.
- Failed glazing seals on shaded walls. Cool, damp, shaded rooms in Mount Hermon hold moisture longer than sunny exposures, which accelerates seal failure on older ES Windows dual-pane units. Once the seal goes, the insulating value drops and the glass fogs. Repair is a glass-unit replacement, not a whole-window job, unless the frame is too compromised to save.
ES Windows Service in Mount Hermon: What Local Conditions Mean for Your Equipment
Mount Hermon sits inside the wildland-urban interface and under protected coast redwoods, so even a straightforward window replacement on an older cabin can trigger arborist review and fire-hardening requirements you would not face with ES Windows in Ben Lomond or Santa Cruz. Tempered glass, ember-resistant vents, and specific flashing details become part of the scope. That’s before you consider the moisture piece. We recently replaced three fogged ES Windows Series 8000 aluminum sliders in a 1950s redwood cabin off Conference Drive, where the original flanges had never been flashed and water had rotted the rough framing. After sistering the framing and installing new flashed units with tempered glass to meet WUI requirements, we matched the interior redwood trim and left the homeowners with smooth-operating windows that finally keep the forest damp out. In Mount Hermon, the window is rarely the whole story. What surrounds it matters just as much.
ES Windows Models & Products We Service in Mount Hermon
We service the full range of ES Windows residential and light-commercial lines: Series 8000 Aluminum Single-Hung, Series 1200 Vinyl Slider, Series 5000 Casement, and Series 3000 Awning. We source OEM ES Windows replacement parts including sash balances, rollers, weatherstrip, and glass units whenever the manufacturer still supports the model. For discontinued lines, we use aftermarket equivalents that meet or exceed the original spec. We’ve also been a full-service construction firm for years, which means our ES Windows sales & service work includes the framing, flashing, siding, and trim around the window, not just the unit itself.
See the difference
Before
After
Before
After
Before
AfterES Windows Service Pricing in Mount Hermon
What you pay depends on how many windows, whether WUI constraints add tempered glass or ember-resistant requirements, and how much hidden framing damage we uncover. Here’s what to expect:
| Service | Price Range |
|---|---|
| Window Replacement | $4,500 – $15,000 |
| Impact Window Installation | $8,000 – $25,000 |
| Roof Repair | $400 – $1,800 |
Our estimates are free, written, and line-itemed, and we’ll tell you plainly whether a repair actually restores performance or whether replacement is the smarter long-term play in Mount Hermon’s moisture-heavy environment. Call (833) 589-8103 to schedule yours.
Serving Mount Hermon, CA — Our Local Coverage Area
We’re based in the Mount Hermon area and offer Home Remodeling – Mount Hermon, and we know this community well. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – ES Windows Construction in Mount Hermon
Fog between the panes means the sealed unit has failed, and the fix is replacing the insulated glass unit, not the entire window. If the frame is square and the hardware functions, a glass-unit replacement brings the window back to original performance for significantly less than a full replacement. We’ll check the frame condition first. Call (833) 589-8103 for a quote on your specific units.
Yes, Mount Hermon’s wildland-urban-interface location means window replacements on older cabins often trigger arborist review and fire-hardening requirements, especially if any work disturbs soil near protected coast redwoods. Tempered glass and ember-resistant venting are common requirements. We handle the paperwork and the sequencing.
Water intrusion around Mount Hermon windows is usually a flashing failure at the flange or a failed drip cap above the window. The fix is removing the unit, replacing or installing flashing tape, sealing the rough opening, and resetting the window with proper drainage. We find this on 1950s and 1960s Mount Hermon cabins regularly.
We can match the operating style, frame color, and glass profile of your existing ES Windows, and we’ll source the same model line when it’s still manufactured. For discontinued lines, we’ll spec a similar ES Windows model or an equivalent with matching sightlines. The goal is continuity, not mismatched replacements.
WUI fire-hardening in Mount Hermon typically requires tempered glass in exterior windows and ember-resistant mesh on any vents, which adds material cost but also improves safety and fire survival. We’ll tell you what applies to your specific lot and building type. Estimates are always free at (833) 589-8103.
Service Areas Near Mount Hermon
We also serve Watsonville, Pajaro, Freedom, Interlaken, Las Lomas, and Amesti. If you’re in a neighboring Santa Cruz County community and need ES Windows work done, see our Mount Hermon service area page. For specific towns, you can also read about ES Windows service in Felton or ES Windows service in Lompico.
Book Your ES Windows Service in Mount Hermon Today
Call (833) 589-8103 to schedule a free, line-itemed estimate. We’ll come out, look at the windows, check the framing, and give you the straight answer on repair versus replacement. Let’s figure out what the job actually needs – then we’ll talk materials.
Written by Glen Sorrento, Owner at Seaside Contractors, serving Mount Hermon and the Santa Cruz Mountains for over a decade.