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 Hillsborough, CA | Framework Contractors
We provide independent ES Windows installation, retrofit, and repair across Hillsborough, including the 94010 zip code, and also offer ES Windows service in San Mateo. If you own an estate home here with aging ES Windows units, you already know the signs: fogged glass on the western exposure, a sliding door that fights you, frames that don’t sit square anymore. Our difference is that we approach every Hillsborough job knowing the tree ordinance, the hillside drainage patterns, and the long summer sun all shape how these windows and doors actually perform. Call (844) 681-3590 for a free estimate.
Why Hillsborough Residents Choose Us for ES Windows Service
We’ve spent years installing and troubleshooting ES Windows products across the Peninsula’s custom-home market, including ES Windows repair in Highlands-Baywood Park. That matters in Hillsborough because these aren’t tract-house openings. They’re often oversized fixed units, multi-slide patio door systems, and casement windows sized for estate walls and hillside views. Our crew reads ES Windows profiles and glazing schedules directly, so when a unit fails, we know whether the sash, the seal, or the track is the real culprit.
Noel Carbajal grew up learning construction the hard way, patching stucco and reroofing porches before he could drive. After the Construction Technology program at Santiago Canyon College, he spent three decades building and remodeling across Orange County. He’s the kind of contractor who tells you when a window is worth re-glazing instead of replacing, because he’s seen too many homeowners pay for full swaps they didn’t need. Build it right the first time, the second time costs twice as much and nobody’s happy. That’s our approach to every ES Windows job in Hillsborough.
We’re an independent ES Windows service provider, not a manufacturer affiliate or authorized dealer. That independence means we make repair-versus-replace calls based on what’s actually best for your home, not what moves the most product.
Styles & brands we work with







Common ES Windows Construction Problems We Solve in Hillsborough
- Fogged dual-pane glass on west- and south-facing units. Hillsborough’s long dry summers bake the perimeter seals on ES Windows insulating glass units. After eight to fifteen years, the desiccant inside the IGU saturates and condensation appears between the panes. We re-glaze these in place when the frame is sound, using matched insulating glass rather than forcing a full window swap.
- Sliding patio door rollers and tracks binding or derailing. ES Windows sliding glass door systems, especially the 2500 Series, accumulate grit and wear on the roller carriages. On Hillsborough hillside lots, fine clay dust from the soil works its way into the track and chews up the nylon rollers. We replace rollers and realign the track before the door gets to the point of jumping the rail.
- Water intrusion at sill pans and corner welds. Winter storms in Hillsborough drive rain sideways against exposed elevations. Older ES Windows vinyl frames with degraded sealant at the sill pan corners will let water behind the flange. We pull the unit, rebuild the flashing, and reset the window so the water path goes where it should: outside.
- Thermal bowing and seal creep on large aluminum-framed units. Unshaded ridge lots get full-day sun on south-facing glass. Large ES Windows aluminum multi-slide systems expand and contract through those cycles, and over years the glazing seals creep. You’ll see it as visible sealant pull-away at the glass edge. We replace the glazing and reset the stops before the unit loses its thermal performance entirely.
- Frames out of square from clay-soil movement. Hillsborough sits on expansive clay soils. Wet winters swell the ground; dry summers shrink it. Slabs and wall plates shift a few millimeters seasonally. An ES Windows casement or awning that was perfectly plumb at install can bind at the latch within a few years. We realign the sash and adjust the hinges or replace them with OEM-matched hardware.
ES Windows Service in Hillsborough: What Local Conditions Mean for Your Equipment
Hillsborough’s tree-protection ordinance is not a background detail. It’s often the single factor that decides where a window can go. A mature oak or redwood on the lot fixes how far a new footprint can push toward the lot line, which means ES Windows sizing and glazing decisions frequently get locked in around a tree-preservation setback rather than the architect’s preferred wall position. We’ve worked on homes where the original ES Windows package was ordered for a wall that shifted six feet during design review, similar to challenges we’ve seen with ES Windows in Burlingame. When that happens, you don’t just re-order glass; you re-calculate the glazing schedule for the new exposure, the new wall area, and the new solar load. That’s the kind of problem we solve in Hillsborough every season, and it’s not a problem most window crews ever see in surrounding cities.
On a hillside remodel off Crystal Springs Road, our crew pulled a set of fogged ES Windows 3700 Series fixed and casement units whose seals had failed after years of full western sun. We re-glazed them with matched insulating glass while rebuilding the sill flashing against wind-driven rain. The homeowner kept the original frames and avoided a full window package replacement. That’s the repair-versus-replace call done right, and it saved them thousands.
ES Windows Models & Products We Service in Hillsborough
We service the ES Windows 3700 Series vinyl single-hung, the 2500 Series vinyl sliding glass door, the aluminum multi-slide patio door systems, and the casement and awning window series. We source OEM ES Windows sash, rollers, and glazing when the profile is still supported and the frame is sound. When OEM supply is slow or a profile is discontinued, we use matched aftermarket glass and hardware that meets the original spec. We stock common rollers, locks, and glazing tape locally so Hillsborough turnaround doesn’t wait on a warehouse in another state.
We’re part of a broader ES Windows sales & service program, which means our Hillsborough clients get the same depth of knowledge on these products as homeowners anywhere else we operate, but applied to the specific conditions of this town.
See the difference
Before
After
Before
After
Before
AfterES Windows Service Pricing in Hillsborough
ES Windows work in Hillsborough falls into three broad scopes. The table below shows the market ranges we work within, based on the size and condition of the project.
| Service | Price Range |
|---|---|
| Window Replacement (ES Windows) | $4,500 – $15,000 |
| Impact Window Installation | $8,000 – $25,000 |
| Home Addition (windows included) | $45,000 – $130,000 |
What drives the cost: the number of units, whether frames are salvageable, whether we’re pulling and resetting flashing, and whether the opening is standard or custom. A free estimate from us includes a unit-by-unit assessment with a written line-item scope, so you know exactly what you’re paying for before any work starts. Call (844) 681-3590 to schedule yours.
Serving Hillsborough, CA — Our Local Coverage Area
We’re based in the Hillsborough area 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 Hillsborough
Yes, in most cases we can. If the frame is square, the sash is intact, and the profile is still supported, we re-glaze the unit with matched insulating glass. The fogged glass is an IGU seal failure, not a frame failure. We only recommend full replacement when the frame is rotted, out of square beyond adjustment, or the profile is discontinued and parts are unavailable. Call (844) 681-3590 and we’ll tell you which path fits your Hillsborough home.
It can be either, and on Hillsborough hillside lots it’s usually a combination. Clay dust and grit accumulate in the bottom track, and the rollers wear against it. We check both: if the rollers are worn but the track is sound, we replace the rollers. If the track is pitted or bent, the door gets a new track and possibly a new sill. The fix is often faster than people expect. Call (844) 681-3590 for an assessment.
They absolutely do, and they should be addressed before any window order is placed. A tree-preservation setback can change the wall position, which changes the glazing spec, the size of the units, and the number of windows. If you order ES Windows units before the town signs off on the footprint, you can end up with glass that doesn’t fit the approved plan. We sequence window selections around the design-review calendar. Call (844) 681-3590 to talk through your project.
ES Windows vinyl frames hold up well when installed correctly with proper flashing and drainage. The bigger variable in Hillsborough is the clay soil. Expansive soils move seasonally, and frames can shift out of square over time. That’s an installation and site-drainage issue more than a material issue. We take soil movement into account when we set units and add the right sill support. Call (844) 681-3590 for a site-specific evaluation.
Yes. We match ES Windows profiles and glazing specs for additions and ADUs, including the 3700 Series and the aluminum multi-slide systems. We coordinate the window package with the structural frame and the Hillsborough design-review requirements so the addition doesn’t look like an afterthought next to the original house. Call (844) 681-3590 to discuss your addition or ADU window scope.
Service Areas Near Hillsborough
We provide ES Windows construction service throughout the Peninsula and nearby markets. Beyond Hillsborough service area, our crews work in ES Windows service in El Granada, ES Windows service in Millbrae, and surrounding Peninsula communities. If you’re on the San Francisco Peninsula and your ES Windows units are failing, we’ll come take a look.
Book Your ES Windows Service in Hillsborough Today
If your ES Windows units are fogged, binding, leaking, or out of square, call (844) 681-3590. We’ll schedule a free estimate, assess every unit on site, and give you a written scope with clear repair-versus-replace options. Serving all of Hillsborough, 94010.
Written by Noel Carbajal, Owner at Framework Contractors, serving Hillsborough and the Peninsula with independent ES Windows expertise.