Windows & doors
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ES Windows Construction in Felton, CA | Timberline Contractors
We provide independent ES Windows construction services throughout Felton, CA, handling everything from full window and sliding door replacements to flashing repairs, re-glazing, and impact upgrades. What sets our ES Windows work here apart is simple: we plan around protected redwood root zones, damp shaded elevations, and Santa Cruz County wildland-urban interface fire codes that don’t apply the same way to surrounding towns. If you need straight answers about an ES Windows unit that’s fogging, sticking, or leaking in this specific climate, call (866) 253-5808.
As a licensed general contractor with access to 50-plus vetted brand partners, we can tie your ES Windows work into the bigger scope of your home. Need new windows plus re-roofing in the same season? We handle both under one contract. Our Felton service area covers 95018 and the surrounding mountain neighborhoods, and we know ES Windows vinyl single-hung, double-hung, casement, awning, fixed picture, and sliding patio door lines from years of hands-on installation and repair in redwood-country conditions.
Why Felton Residents Choose Us for ES Windows Service
Most window contractors in the Santa Cruz Mountains either push one manufacturer line or treat every window like a generic rectangle of glass. Our crew takes a different approach with ES Windows sales & service. We’ve installed, sealed, and repaired enough ES Windows units in Felton’s fog belt to know how their vinyl frames and glazing behave when a redwood canopy holds moisture against the north and shaded elevations all winter. That experience means we diagnose the actual failure, whether it’s a broken IG seal, a flashing problem, or swollen hardware, rather than defaulting to a full-unit replacement.
Nelson Fung, our owner and general contractor, learned the trade formally at Los Angeles Trade-Technical College before spending years on remodels and commercial builds across the LA basin. He trains our crews the way he works: look at the whole opening, the wall assembly, and the site drainage before you touch a single screw. We’re an independent ES Windows service provider, not manufacturer-affiliated or authorized, so our recommendation to patch, re-flash, or replace is based on what the frame and wall actually need, not what a brand program tells us to sell.
Styles & brands we work with







Common ES Windows Construction Problems We Solve in Felton
Here are the failures we see repeatedly on ES Windows units in Felton homes, most of them tied directly to living under a redwood canopy with winter rain and fog-belt humidity.
- Fogged failed insulated glass units from humidity cycling. The fog-belt moisture in Felton cycles seals through constant wet-to-dry transitions, and when an ES Windows IG seal fails, moisture clouds between the panes. We re-glaze with correct OEM or matched aftermarket glazing when the frame is sound, and replace only when the frame is cooked.
- Water intrusion at vinyl frame corners and sill joints. Felton’s heavy winter rain doesn’t shed off raised wood-frame walls the way it runs off slab homes in the valley. If the original installer flashed the opening poorly, water finds the corner welds and sill channels. We pull the trim, inspect the flashing plane, and re-flash against the actual drainage path.
- Sticking sashes and hard-to-operate rollers on shaded elevations. Redwood-forest moisture swells vinyl frames and corrodes roller hardware, especially on north-facing walls that never fully dry. We see this constantly on ES Windows double-hungs and sliding patio doors. New balances and rollers plus a frame alignment check usually solves it.
- Failed perimeter caulk and weatherstripping that let damp air and embers in. In this wildland-urban interface zone, your window perimeter isn’t just about drafts. Deteriorating caulk lets moisture into the wall cavity, and it leaves gaps where wind-driven embers can enter during fire season. We re-seal with fire-rated materials and replace weatherstripping as a fire-hardening measure, not just a comfort fix.
- Damaged screens and broken hardware from storm debris. Winter storms in the mountains throw branches and debris into window screens and exterior hardware. We source OEM-compatible ES Windows screens, locks, and operators without waiting on a manufacturer rep that doesn’t prioritize a small mountain town.
ES Windows Service in Felton: What Local Conditions Mean for Your Equipment
Building in Felton often means working within the root zone of protected redwoods, and that single permit condition changes everything about how window work gets planned and sequenced on forested lots. We’ve had projects on Graham Hill Road where excavation and foundation access had to be hand-dug or pier-based to avoid cutting roots, and that meant our crews couldn’t stage equipment, ladders, or material pallets the way they would on an open lot in Scotts Valley.
That constraint reshapes how we size and sequence ES Windows replacements. On a forested Felton parcel, we plan window-by-window rather than whole-wall at once: we schedule our work around protected root zones, hand-carry glass units when equipment can’t reach an opening, and stage materials on the most compact footprint possible. It adds time to the estimate and cost to the job, but it’s the right way to work in this town. Anyone who tells you a Felton window replacement goes in the same as a San Francisco flat replacement has never watched a county inspector flag a compaction zone under a grandfather redwood.
ES Windows Models & Products We Service in Felton
We service the full ES Windows residential range: vinyl single-hung and double-hung series, sliding patio doors, fixed and picture window units, and casement and awning windows. For each line, we match the unit to correct OEM glazing and hardware wherever the parts are still available. When a full sash or door replacement isn’t warranted, we use quality aftermarket balances, rollers, and seal kits that match the unit’s dimensions and performance spec.
Our honest repair-versus-replace stance keeps this simple: we patch seals, flashing, and hardware when the frame is sound, and we replace the unit when the frame is warped or water has already compromised the wall behind it. We keep common ES Windows roller sets, balances, seal kits, and perimeter flashing stock on hand for faster Felton turnaround. No waiting on a manufacturer distribution center in another state.
See the difference
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AfterES Windows Service Pricing in Felton
| Service | Typical Range in Felton |
|---|---|
| Window Replacement | $4,500 – $15,000 |
| Impact Window Installation | $8,000 – $25,000 |
| Roof Repair | $400 – $1,800 |
Smaller jobs like a single fogged IG re-glaze or a roller and seal kit on a sliding patio door will land below these ranges. Our free estimate always includes a line-item written quote so you see exactly what’s being priced, and we don’t change the number once work starts unless you add scope. Call (866) 253-5808 for an exact number on your Felton home.
Serving Felton, CA — Our Local Coverage Area
We’re based in the Felton area and offer Home Remodeling in Felton because 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 Felton
My ES Windows double-hung keeps sticking on the shaded side of the house – is that the window or the install?
Usually it’s neither the window nor a bad install. On shaded elevations in Felton, the north and forest-facing walls of raised redwood-frame homes hold moisture through most of the year, and that swells vinyl frames and tracks, making the sash bind. We check frame alignment and swap balances or rollers where needed before recommending anything bigger. Call (866) 253-5808 and we’ll put eyes on it.
Can an ES Windows unit be re-glazed when the insulated glass fogs up?
Yes, when the frame is still square and the wall behind it is dry. We remove the failed IG unit, clean and prep the sash, and install new glazing that matches the original ES Windows spec or an equivalent aftermarket unit. If the frame is warped or the water intrusion has already reached the wall cavity, a full replacement is the honest call.
Do ES Windows need special flashing in Felton’s heavy winter rain?
They need correct flashing, which matters more on Felton’s raised wood-frame homes than it does on slab-built houses in the valley. Heavy winter rain driven by the fog belt will find any gap in the perimeter flashing plane. We re-flash the opening with a drainage path that sheds water off the sill and down the wall, not into the framing.
Does my ES Windows replacement have to account for the redwoods around the house?
Yes, frequently. Protected trees and their root zones trigger county permit conditions that restrict excavation and staging. We plan hand-carried glass, pier-based access, and careful equipment placement around those roots. It adds time to the project, but ignoring it gets you a stop-work order and a root wound that can kill a 400-year-old tree. Call (866) 253-5808 and we’ll walk your lot before we quote.
Can you help with fire-resistant upgrades on my ES Windows while replacing them?
Yes, we can. In Felton’s wildland-urban interface zone, adding tempered glazing, ember-resistant screens, and fire-rated perimeter sealing at the same time as a window replacement is the most cost-efficient path to meeting Santa Cruz County fire-safe requirements. We pull permits where required, and the work passes inspection before you move on.
Service Areas Near Felton
Our Felton crews work throughout the San Lorenzo Valley and into surrounding mountain communities. We cover Mount Hermon, ES Windows service in Mount Hermon, Ben Lomond, Boulder Creek, Lompico, and Zayante. We also run a team through ES Windows service in Scotts Valley for clients on the valley side of the ridge. For the full coverage map, see our Felton service area page.
Book Your ES Windows Service in Felton Today
If your ES Windows unit is fogging, leaking, sticking, or you’re planning a full replacement on a forested Felton lot, we’ll give you a straight answer on repair versus replace. Call (866) 253-5808 to schedule your free estimate with a written quote. Timberline Contractors is independent, local to the Santa Cruz Mountains, and we do it right the first time or we explain ourselves twice.
Written by Nelson Fung, Owner & General Contractor – Felton at Timberline Contractors, serving the area and the Santa Cruz Mountains.