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 Palo Alto, CA | Gold Star Contractors
We’re an independent ES Windows installation and repair contractor serving Palo Alto homeowners, and the short version is this: we fit, flash, and refit ES units into the Peninsula’s older wall assemblies every week. What makes our ES Windows work different here is knowing Palo Alto’s planning gauntlet, the daylight-plane rules, the Eichler-era slab remodels, and how those affect every window opening we touch. Call (833) 382-8544 for a free estimate, and you’ll talk to someone who has actually pulled permits in this city.

Why Palo Alto Residents Choose Us for ES Windows Service
While a General Contractor – Palo Alto might install whatever brand the supply house has on the shelf, we don’t work that way. We don’t work that way. Our crews spend their time on ES Windows specifically: single-hungs, sliders, double-hungs, aluminum frame units on Eichler-era homes, and the picture and awning units that show up in remodel openings. That focus means we can usually tell you over the phone whether your fogged sash is a $300 insulated-glass replacement or a sign the whole frame has racked and needs to go.
Noel Carranza, our owner and general contractor, grew up watching older tract homes get renovated block by block in Anaheim. He studied construction technology at Fullerton College, then spent his twenties doing concrete work and finish carpentry before building his own operation. The lesson that stuck: multi-trade jobs live or die on scheduling and knowing which detail to check first. For ES Windows in Palo Alto, that detail is usually the flashing and the rough opening, not the glass. See our full ES Windows sales & service page for how we approach the brand across the Peninsula.
Styles & brands we work with







Common ES Windows Construction Problems We Solve in Palo Alto
Here’s what we actually see on service calls across Palo Alto, and why each one tends to show up in this city’s homes:
- Fogged glass on south-facing ES vinyl units. Palo Alto’s dry summers mean years of direct UV on south and west exposures. The insulated glass seals fail, moisture gets between the panes, and you get that milky haze. We replace the glazing unit when the frame is still square. If the frame has moved, we say so.
- Out-of-square sashes and sticking sliders on slab homes. Peninsula clay soils swell in winter and shrink in summer. On 1950s and 60s Eichler-style and ranch tract homes built on slab or shallow pier-and-beam, the rough opening shifts. ES sliders bind, the sashes rack, and the tracks stop running true. We re-square where possible, or recommend replacement when the frame’s lost its geometry.
- Rotted sill pans behind stucco returns. A lot of original ES installations in Palo Alto went into stucco exterior walls with flashing that was minimal even for its day. Winter rain works into the frame-to-wall joint. By the time you see the stain on the interior drywall, the sill pan’s usually gone. We cut out the damage, install new pans, and flash the opening properly.
- Corroded hardware on older ES aluminum sliders. Eichler-era homes ran radiant heat through the slab, which changes interior humidity and heat loads. On aluminum frames that are 40-plus years old, the rollers, balances, and weatherstripping corrode or seize. We replace them with quality aftermarket components when OEM parts are discontinued, which for that vintage they often are.
- Missing or failed weatherstripping on remodel openings. When a Palo Alto homeowner does a gut remodel or second-story addition, the old ES windows sometimes get reused to save money. The weatherstripping was never designed for the new wall thickness or air pressures. We refit or replace so the unit actually seals.
ES Windows Service in Palo Alto: What Local Conditions Mean for Your Equipment
Palo Alto’s daylight-plane setback regime is the thing most window contractors never mention until the plans get kicked back. The city applies discretionary review even to moderate remodels, and second-story additions that enlarge or add an ES window opening often trigger a shadow study and a pre-application meeting before the planning department will sign off. That hurdle doesn’t exist on the same window scope in neighboring Menlo Park or Mountain View, though we do offer ES Windows service in West Menlo Park. In the Eichler-style neighborhoods of south Palo Alto, we routinely see neighbor objections over privacy and daylight-plane impacts when a remodel changes window sizes. So an ES Windows job here isn’t just a glass swap. It’s a planning-and-flashing problem, and we build our service around that from the first site visit. We’ve learned to pull the property’s existing planning file before we spec any opening change, because the city’s review culture punishes contractors who treat the window as an afterthought.
ES Windows Models & Products We Service in Palo Alto
We work on the full ES Windows range you’re likely to find in Palo Alto’s housing stock. Vinyl single-hung and slider replacement units show up in the 1980s and 90s tract homes in the south and east. Double-hung vinyl retrofit windows are common in the pre-1940s California bungalows and Craftsman homes of Professorville, Downtown North, and Old Palo Alto. Aluminum-frame sliding windows are everywhere in the Eichler-style and ranch homes from the 50s and 60s. Picture and awning units show up in remodel openings across all of it. For parts, we use ES-compatible OEM glass and sash components when they’re still available for the unit’s vintage. Where OEM is discontinued, we carry quality aftermarket balances, rollers, and weatherseals so a single failed part doesn’t force a full replacement. The Palo Alto service area page has more on how we cover the city: Palo Alto service area.
See the difference
Before
After
Before
After
Before
AfterES Windows Service Pricing in Palo Alto
Cost depends on how far the opening has moved, whether we’re repairing or replacing, and what the planning department requires. Here are the ranges we work within for ES Windows work in Palo Alto:
| Service | Typical Range |
|---|---|
| Window Replacement | $4,500 – $15,000 |
| Impact Window Installation | $8,000 – $25,000 |
| Home Addition (window scope included) | $45,000 – $130,000 |
A single failed sash with good framing might run a few hundred dollars. A full ES replacement on a racked opening with new flashing and stucco repair will land higher. Every estimate we give is a written line-item quote, and we walk you through what’s actually wrong before we price it. Call (833) 382-8544 to schedule a free estimate.

Serving Palo Alto, CA — Our Local Coverage Area
We’re based in the Palo Alto area and know this community well, and we also provide ES Windows in Los Altos Hills. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – ES Windows Construction in Palo Alto
These are the questions Palo Alto homeowners ask us most.
For a like-for-like replacement that doesn’t change the opening size, you usually don’t need planning approval, but you will need a building permit, and Palo Alto’s building department reviews permits with the same detail-obsessed culture the planning side applies to remodels. If you’re changing the opening size, adding a second-story window, or doing the window work as part of an addition, you’re into discretionary review territory and a pre-application meeting is the smart first step. Call (833) 382-8544 and we’ll tell you which path your project falls under.
Fogging between the panes means the insulated glass seal has failed. In Palo Alto, we see it most on south and west exposures where years of dry-summer UV have cooked the sealant. It’s a glazing-unit replacement, not a full window replacement, unless the frame has also racked from clay-soil movement underneath the slab. We can tell you which one you’re looking at during a free estimate.
If the frames are square and the only problem is corroded rollers or failed weatherstripping, we repair with aftermarket components and you save thousands. If the frames have racked from slab movement or the sills have rotted from years of winter rain getting past the original flashing, we recommend full-unit replacement, because chasing parts on a 40-year-old frame that’s already out of square is money you won’t get back in performance. Call (833) 382-8544 and we’ll walk the site and give you a straight answer.
The pre-1940s bungalows and Craftsman homes in Professorville and Old Palo Alto have thicker, often irregular wall assemblies that need custom flashing and careful shimming to keep an ES unit square. The 50s and 60s Eichler and ranch homes in the south and east have slab-on-grade or shallow pier-and-beam foundations that move with Peninsula clay soil, and our Emerald Lake Hills ES Windows service covers similar conditions. The rough openings shift, and the installation has to account for that movement or the new window binds within a few seasons.
Yes, and this is where the planning gauntlet matters most. We build the pre-application file first, including shadow studies if the addition changes window openings on a second story. In Old Palo Alto, we replaced fogged, out-of-square ES vinyl sliders on a 1950s ranch where the stucco returns had never been flashed. We re-squared the openings, added new sill pans, and set the ES replacements into the existing wall line. The pre-application file we’d already built for the owner’s rear addition covered the new opening sizes, so no separate review caught the job up. Call (833) 382-8544 to get that process started.
Service Areas Near Palo Alto
Beyond Palo Alto, we run ES Windows service calls into surrounding communities across the Peninsula and South Bay. That includes Stanford, where Eichler-era slab homes present the same clay-soil and flashings issues we see in south Palo Alto: ES Windows service in Stanford. We also cover Ladera, where the ranch tract homes from the same era need similar attention: ES Windows service in Ladera.
Book Your ES Windows Service in Palo Alto Today
We know Palo Alto’s planning culture. We know ES Windows. And we know how to keep the whole job moving without drama. One call, done right, that’s the only way I know how to run a job. Call (833) 382-8544 to schedule your free ES Windows estimate in Palo Alto.
Written by Noel Carranza, Owner & General Contractor at Gold Star Contractors, serving Palo Alto and the surrounding Peninsula.