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 Felton, CA | Iron Beam Contractors
We provide independent ES Windows replacement and installation across Felton, and we know these units behave differently in the Santa Cruz Mountains than they do on a flat San Jose tract. The short version: ES Windows product failures in Felton get multiplied by the same two forces that shape everything else here, wildfire glazing rules and steep-lot winter drainage. If you need ES Windows service in 95018, call (833) 756-5936.
We handle the full scope of ES Windows work: ES Windows sales & service, replacement on sloped-lot homes, impact-rated upgrades in the wildland-urban-interface, and full home additions where the window schedule is specified for Chapter 7A compliance. One contractor, every phase.
Why Felton Residents Choose Us for ES Windows Service
Felton runs on older housing stock. Much of it is redwood-era cabins, mid-century homes on sloped parcels, and riverfront properties that have seen decades of deferred maintenance. When someone in Felton calls us about ES Windows, it’s rarely a simple glass swap. It’s a fogged fixed unit in a wall that never had a proper sill pan. Or a sliding patio door leaking storm-driven rain at the track because the original flashing was caulked instead of lapped.
Nolan Driscoll built Iron Beam Contractors on a simple rule: tell the homeowner exactly what’s in the wall before you open it, not after. That’s how we run every ES Windows job in Mount Hermon, Ben Lomond, and the San Lorenzo Valley. We use genuine ES Windows glass and hardware where it’s available. When the OEM part is discontinued or back-ordered, we spec quality aftermarket IGUs and balances that hold their fit. We repair when the frame and sill are sound. We recommend full replacement when the frame is warped or the opening itself is leaking. Built on real brands, real standards.
Styles & brands we work with







Common ES Windows Construction Problems We Solve in Felton
- Fogged or failed insulated glass units. ES Windows fixed and picture frames lose their seal between panes, and the fog gets worse with Felton’s sun-then-wet cycles. A hot afternoon on a west-facing wall followed by a cold valley night stresses the seal every season. We replace the IGU, not the whole frame, when the frame is still sound.
- Water intrusion at sill pans and head flashing. Older ES Windows units in redwood-era walls often lack a back-dam on the sill pan, and the head flashing was caulked instead of lapped. It holds until a winter storm drives rain sideways up the San Lorenzo River corridor. Then the interior wall gets wet.
- Vinyl frame warping and sash binding. South- and west-facing ES Windows frames take years of mountain UV exposure plus the thermal swing between redwood shade and direct sun. The vinyl expands, contracts, and eventually binds. If the frame is warped, repair isn’t the answer, replacement is.
- Failed weatherstripping and balance hardware on sliding patio doors. ES Windows sliders let cold air and storm-driven rain past the track once the weatherstripping flattens and the rollers wear. We rebuild the track, replace the seals, and adjust the door so it actually closes against the jamb.
- Non-compliant glazing on additions and remodels. When Felton homeowners add a room or convert a garage, the existing single-pane ES Windows units often fail the ignition-resistant and tempered glazing requirements under CAL FIRE Chapter 7A. We spec the replacement glass to pass inspection the first time.
ES Windows Service in Felton: What Local Conditions Mean for Your Equipment
Here’s what we see in Felton that a flatland contractor from Watsonville won’t catch. Felton sits inside the CAL FIRE wildland-urban-interface, which means Chapter 7A of the California Building Code applies to new construction and many remodels here, not just to a handful of high-fire-severity zones elsewhere. That changes the window spec on nearly every job we touch in Felton. Replacement windows and addition windows have to meet ignition-resistant frame and multi-pane tempered glazing requirements, and the wrong glass can fail a Santa Cruz County inspection outright. On top of that, winter storms off steep redwood-shaded parcels send runoff at older homes with undersized drainage. We routinely find leaking ES Windows sliding doors where the real problem started uphill: a failed retaining wall or French drain pushing water under the door sill. If the structure makes sense on paper, it’ll hold in the field. If it doesn’t make sense on paper, we fix it before we touch a beam.
ES Windows Models & Products We Service in Felton
We work across the ES Windows vinyl line that’s common in the San Lorenzo Valley: single-hung and double-hung replacement units, vinyl sliding patio doors, picture and fixed-frame units with low-E insulated glass, and horizontal slider windows. For parts, we keep a running stock of the common IGU sizes and balance hardware used in Felton homes so we’re not waiting a week on a back-order when a sliding door won’t close. When the OEM glass is discontinued, we get an aftermarket IGU made to the same Low-E spec and thickness. The point is fit and function, not a sticker on the glass.
See the difference
Before
After
Before
After
Before
AfterES Windows Service Pricing in Felton
What you pay depends on the scope, not on the phone call. A basic ES Windows replacement on a single opening runs a different number than a full addition with a Chapter 7A window schedule and a re-flashed wall system. Here’s how it breaks down:
| Service | Price Range |
|---|---|
| Window Replacement | $4,500 – $15,000 |
| Impact Window Installation | $8,000 – $25,000 |
| Home Addition | $45,000 – $130,000 |
Every estimate is free, written, and line-itemed so you see the wall work, not just the window cost. Call (833) 756-5936 to schedule yours.
Serving Felton, CA — Our Local Coverage Area
We’re based in the Felton area and serve Ben Lomond and 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
Yes, if the home sits in the wildland-urban-interface, which covers most of Felton. New windows must use ignition-resistant frames and multi-pane tempered glazing. We spec the glass and frame to pass Santa Cruz County inspection before we order materials. Call (833) 756-5936 for a compliance check on your opening.
Because the insulated glass unit’s seal has failed, and Felton’s sun-then-wet cycles make the failure visible quickly. A hot west-facing wall cools suddenly under redwood shade and the moisture inside the dead airspace fogs. The fix is IGU replacement, not a whole new window. Call (833) 756-5936 for an assessment.
Almost always yes, at the door level. We replace the track, weatherstripping, and rollers, and we re-flash the sill pan if it was set without a back-dam. If the leak is being driven by failed drainage uphill from the door, we point that out before we repair the visible symptom. Estimates are free at (833) 756-5936.
We can match frame style and glass spec closely, but Chapter 7A may require tempered or multi-pane glazing the original unit never had. You get a match that passes inspection, not a visually identical replica. Call (833) 756-5936 and we’ll walk the openings with you.
It requires specific glazing, not a specific brand. Since Felton is in the WUI, the new openings need ignition-resistant frames and tempered insulated glass. ES Windows makes compliant units, and we specify them when the schedule calls for it. Call (833) 756-5936 for a frame-out and glazing review before you pull the permit.
Service Areas Near Felton
We run ES Windows installations throughout the San Lorenzo Valley and the surrounding ridge communities, including Felton service area, ES Windows service in Lexington Hills, and ES Windows service in Lompico. Same crew, same flashing standards, same Chapter 7A compliance on every opening.
Book Your ES Windows Service in Felton Today
From a single fogged fixed unit to a full addition with an impact-rated window schedule, we run it as one accountable project. Call (833) 756-5936 to schedule a free estimate in Felton.
Written by Nolan Driscoll, Owner at Iron Beam Contractors, serving Felton, Scotts Valley, and the San Lorenzo Valley.