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 Los Altos Hills, CA | Viceroy Construction
We provide independent ES Windows construction, replacement, and repair across Los Altos Hills, with deep familiarity on the 4000, 2000, 8500, and 6000 series lines. The thing that makes our ES Windows work here different is simple: we know this town’s design-review process and hillside conditions well enough to keep a window project moving without planning surprises. Call (877) 358-6557 to schedule a free estimate on window replacement, impact window installation, or related roof repair. As an independent contractor, not a manufacturer-authorized dealer, we give you straight repair-versus-replace advice rather than a sales pitch.
Why Los Altos Hills Residents Choose Us for ES Windows Service
Nearly every window job in Los Altos Hills sits on a custom-built home from the 1950s through the 1980s, and a lot of those homes still carry their original aluminum or wood-sash windows, many of them ES Windows repair in Los Altos units that have been in place for three or four decades. Neil Drummond grew up in the Saratoga foothills, trained in the building trades program at West Valley College, and has spent close to thirty years scoping residential work across the South Bay. That background matters when you’re looking at an ES Windows 4000 Series casement with a fogged dual-pane seal and trying to decide whether the frame is worth saving.
We treat ES Windows hardware on its own terms. We source OEM sash balances and weatherstripping when fit matters, and we’re comfortable using high-quality aftermarket glass and hardware when budget or availability makes that the smarter call. That’s the independence part. For homeowners in Los Altos Hills needing ES Windows in Stanford or nearby, we also walk every job with an eye toward the town’s rules, because a street-visible window change can trigger design review. One contractor, every trade, one point of contact.
Styles & brands we work with







Common ES Windows Construction Problems We Solve in Los Altos Hills
- Dual-pane seal failure and fogging. Los Altos Hills sits in the rain shadow of the Santa Cruz Mountains, which means long hot summer afternoons hammering glass, and hillside temperature swings that stress older sealant. We see fogged ES Windows 2000 Series single-hungs regularly on west-facing elevations. When the frame is sound, we replace the insulated glass unit and re-seal; when multiple sashes show the same failure, we tell you that plainly.
- Frame and sash warping on older casements. Decades of dry heat followed by winter moisture intrusion will gradually twist a wood or hybrid sash. On a 1970s ranch-style home in the Los Altos Hills hillside area, we replaced a failed ES Windows 4000 Series casement where the original dual-pane seal had fogged and the frame had warped from years of sun exposure. The repair went beyond the sash: we upgraded the flashing so winter storms wouldn’t find the same path again.
- Hardware corrosion on hinges, locks, and rollers. Airborne dust in the dry season and seasonal rain combine to corrode window hardware faster than homeowners expect. ES Windows 8500 Series sliding glass doors on hillside lots are especially prone to roller and track wear when soil particles from sloped yards get tracked onto the sill.
- Water infiltration at sill and jamb joints. Heavy winter downpours on sloped lots will find any deteriorated flashing. We see this most often where an original ES Windows install from decades ago used a now-brittle sealant at the sill. The fix is rarely just caulk; it’s pulling the trim, inspecting the rough opening, and re-flashing properly.
- Non-permitted additions complicating window scope. Remodels in Los Altos Hills frequently uncover prior work that was never permitted. When a window replacement touches a wall that was altered without permits, the town’s plan reviewers may need to see a larger scope documented. We help homeowners understand what that means before the project stalls.
“The details you don’t see are the ones that matter most,” as Neil puts it. The flashing, the rough opening condition, the sealant bond. Those are the difference between a window that performs for twenty years and one that fogs again in three.
ES Windows Service in Los Altos Hills: What Local Conditions Mean for Your Equipment
Los Altos Hills caps total development at 25% of each lot and requires design review for nearly any visible change. That’s not a footnote; it’s the first planning conversation on many window projects here. In some Bay Area cities you can swap out a street-facing window and be done with it. In Los Altos Hills, a window replacement visible from the road can trigger a planning review before the building permit moves. We’ve learned to start the permit conversation early, to document the existing window condition clearly, and to build the review timeline into the project schedule rather than treating it as an afterthought. For homeowners seeking ES Windows repair in Loyola or in the 94022 ZIP code, that early coordination is often what separates a two-week window swap from a two-month planning delay. We’re comfortable talking with town planners directly, and we’ll tell you what’s likely to be asked before you spend a dollar on glass.
This is also why we handle ES Windows sales & service with an eye toward the whole project. Full-scope general contracting means when a window job turns up a rotted header, a roof leak, or a drainage issue at the sill, we can price and handle it under one contract instead of sending you to three more subcontractors.
ES Windows Models & Products We Service in Los Altos Hills
We service the ES Windows 4000 Series casement, the 2000 Series single-hung, the 8500 Series sliding glass door, and the 6000 Series awning. Parts availability changes from one model year to the next, so we stock commonly needed hardware for the older lines and order OEM parts with a clear lead time for the rest. For critical components like sash balances and weatherstripping, OEM is the right call. When replacement glass is needed, we can often use aftermarket insulated glass units that meet or exceed the original spec and arrive faster than factory units.
If you’re weighing repair against replacement across several ES Windows units, we’ll give you an honest read. A single fogged sash on an otherwise sound frame is often worth saving. Multiple fogged units, warped frames, and failed hardware across the house usually means replacement pencils out better over the next five to ten years.
See the difference
Before
After
Before
After
Before
AfterES Windows Service Pricing in Los Altos Hills
Window pricing in Los Altos Hills tracks two things: the condition of the existing opening and what the town asks us to document. Here are the line-item ranges we work within:
| Service | Typical Range |
|---|---|
| Window Replacement | $4,500 – $15,000 |
| Impact Window Installation | $8,000 – $25,000 |
| Roof Repair | $400 – $1,800 |
The window replacement range accounts for single-window swaps on the low end and multi-unit projects with stucco or siding patching on the high end. Impact window installation runs higher because the units themselves carry a heavier frame and laminated glass rating. Roof repair enters the scope when a window leak traces back to flashing or decking at the eave line, which is more common on hillside homes than flatland houses. Every estimate is free, in writing, and line-itemed so you can see exactly what the town review, the materials, and the labor each cost. Call (877) 358-6557 for an exact quote. Estimates don’t obligate you to anything.
Serving Los Altos Hills, CA — Our Local Coverage Area
We’re based in the Los Altos Hills area and offer Mountain View ES Windows service nearby, 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 Los Altos Hills
Yes, in most cases. Los Altos Hills requires design review for visible exterior changes, and a window replacement that alters the street-facing elevation will almost always need town approval before work begins. We handle the permit paperwork and talk with planners directly, so you’re not left guessing what the town wants. Call (877) 358-6557 for a free estimate and we’ll map out the approval path for your specific property.
The town’s rain-shadow position means hot, dry summers and occasional intense winter downpours on hillside soils. That pattern stresses dual-pane seals through repeated heating and cooling cycles, and it tests flashing during heavy rain events. Window frames that hold up fine in a coastal microclimate fail sooner here if the original flashing wasn’t done well. We account for that when we inspect your units.
You can usually repair a fogged dual-pane unit if the frame is sound and the sash hasn’t warped. We source replacement insulated glass, re-seal the unit, and only recommend full replacement when multiple sashes show seal failure or the frame itself has degraded. Call (877) 358-6557 to have us look at what you’re dealing with, and we’ll tell you straight what’s repairable.
We work on the 4000 Series casement, 2000 Series single-hung, 8500 Series sliding glass door, and 6000 Series awning most often. Homes built in the 1970s and 1980s in Los Altos Hills tend to have 2000 and 4000 series units, while newer builds and remodels may use 8500 Series sliding doors across the rear elevation.
Many Los Altos Hills properties rely on private wells and septic systems, which matters for two reasons. First, additions or changes that increase building footprint can trigger perc tests and well-flow verification. Second, excavation for new window openings or sill repairs may need to respect existing septic leach field setbacks. We flag these early so the window project doesn’t quietly become a bigger entitlement process. Call (877) 358-6557 to talk through what your property’s systems may require.
Service Areas Near Los Altos Hills
We serve Los Altos Hills and the surrounding foothill communities, including Saratoga, Monte Sereno, Los Gatos, and Cupertino. Campbell and Cambrian Park are also in our service area. For homeowners looking for Los Altos Hills service area coverage specifically, we run routes through the 94022 ZIP code and adjacent hillside roads on a regular basis. We also provide ES Windows service in Seven Trees and ES Windows service in Boulder Creek for clients on the edges of our territory.
Book Your ES Windows Service in Los Altos Hills Today
We keep dispatch windows tight for Los Altos Hills jobs, and same-day or next-day assessments are often possible for urgent water intrusion. Call (877) 358-6557 and we’ll put a time on the calendar. Free estimates, written line-item quotes, and no obligation to proceed.
Written by Neil Drummond, Owner at Viceroy Construction, serving Los Altos Hills since the early days of the design-review era.