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 La Verne, CA | Silver Line Contractors
We provide independent ES Windows construction, replacement, and repair service across La Verne. Most of our work here is replacement into existing rough openings on 1950s – 70s homes, not new construction, so the flashing and stucco patch matter as much as the glass itself. That’s the difference between a window that holds and one that leaks in the first foothill rain. Call (833) 400-1314 for a free estimate.
Silver Line Contractors has spent years specifying and servicing ES Windows vinyl and aluminum units across the San Gabriel Valley, including ES Windows in Wrightwood. We know how they behave in La Verne’s hot, dry summers and Santa Ana wind seasons. We’re independent, not authorized by ES Windows, and we don’t sell the brand’s warranty. We sell the installation judgment, flashing work, and repair honesty that determine whether those units actually perform.
Why La Verne Residents Choose Us for ES Windows Service
ES Windows showed up in a lot of La Verne tract homes during the original build boom, and plenty of those units are still in place. That means we’re not reading a spec sheet when we arrive; we’re matching what’s actually in the wall. We know which vinyl single-hung and double-hung replacement series are still serviceable, which aluminum sliders should be retired, and when a fogged glass unit just needs an IGU swap instead of a full window replacement.
Noel Carvalho, our owner and general contractor, grew up learning exactly this kind of work: patch it, repair it, replace it only when the material tells you to. He studied construction technology at Gavilan College and spent his twenties and thirties working every phase of residential builds before starting Silver Line. That background matters when a 40-year-old ES vinyl frame is warped and the honest answer is that re-glazing won’t save it.
We stock commonly needed ES Windows hardware locally for fast La Verne turnaround: rollers, weatherstrip, balances, and locks. When OEM parts are discontinued or slow, we use quality aftermarket equivalents and tell you exactly what we’re installing and why.
Styles & brands we work with







Common ES Windows Construction Problems We Solve in La Verne
These are the failure patterns we see most often on ES Windows units in La Verne:
- Warped vinyl sashes and frames on south- and west-facing elevations. Repeated dry-summer heat cycling pulls the vinyl out of plumb, so the sash drags and the lock no longer lines up. This shows up constantly on unshaded 1960s – 70s tract homes.
- Aluminum slider tracks pitted with grit and windblown dust. After Santa Ana wind seasons, the rollers seize and the panel jumps the track instead of gliding. The track is usually salvageable; the rollers and track cleaning are the fix.
- Fogged insulated glass units. Failed glazing seals fog the glass from the bottom edge up. The glass is the failure, not the ES frame, so we replace the IGU and keep the frame rather than pushing a full window sale.
- Sill and rough-opening leaks. Where the original installer nailed the flange flat instead of pan-flashing, wind-driven winter rain on foothill-adjacent lots shows up as drywall staining below the header, not at the glass.
- Sagging patio door panels. ES vinyl French and sliding patio doors on older homes often have worn rollers and stretched weatherstrip. We adjust or replace the hardware and re-align the panel so it locks cleanly.
ES Windows Service in La Verne: What Local Conditions Mean for Your Equipment
La Verne is largely built out at the base of the foothills, and almost all of our ES Windows work here is replacement into existing rough openings and stucco cutbacks on mid-century homes. We also provide ES Windows in Piñon Hills. That changes the job. On a new-construction frame, the window goes in before the stucco and the flashing is straightforward. On a 1960s La Verne ranch, the stucco has to be cut back around the opening, the old flange has to be dealt with, and the new unit has to be pan-flashed and back-dammed so wind-driven rain can’t get behind the stucco. The flange detail and stucco patch, not the glass, are what usually decide whether the unit leaks.
We saw this on a mid-century ranch off Wheeler Avenue near the foothill edge of town. The original ES vinyl sliders were fogged and had been nailed flat to the sheathing with no sill pan. The stucco had been cut back hard years earlier and never properly flashed. We reset the new units on pan flashing with a back-dammed sill, re-stuccoed the returns, and replaced two sagging vinyl sashes instead of selling the homeowner an entire house of windows. That’s the difference between fixing the problem and replacing everything in sight.
ES Windows Models & Products We Service in La Verne
We service the ES Windows lines most common in La Verne’s post-war through 1970s housing stock: vinyl single-hung and double-hung replacement series, horizontal sliding vinyl windows on older tract homes, aluminum slider and fixed-panel units for patio and room-addition openings, and vinyl French and sliding patio doors. For each, we match OEM ES Windows parts where they still exist and use aftermarket rollers, weatherstrip, and glass units when OEM is discontinued or slow. We’ll also tell you plainly when a 40-year-old warped vinyl frame isn’t worth re-glazing.
See the difference
Before
After
Before
After
Before
AfterES Windows Service Pricing in La Verne
Here are the line-item ranges we typically quote for ES Windows-related work in La Verne:
| Service | Typical Range |
|---|---|
| Window Replacement | $4,500 – $15,000 |
| Impact Window Installation | $8,000 – $25,000 |
| Home Addition | $45,000 – $130,000 |
| Roof Repair (flashing, leak corrections tied to window work) | $400 – $1,800 |
What drives your number: how many windows, whether we’re cutting stucco, whether the openings are plumb, and whether you’re adding impact-rated units or matching existing ES profiles. A free estimate includes an on-site look at the existing units, the rough openings, and the stucco condition around them. Call (833) 400-1314 to schedule yours.
Serving La Verne, CA — Our Local Coverage Area
We’re based in the La Verne area and know this community well, and we offer Phelan ES Windows service too. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – ES Windows Construction in La Verne
No. If the frames are square and the glass is clear, we replace only what’s failing: a fogged IGU, a worn roller, a sagging sash. Replacing everything is rarely necessary unless the frames themselves are warped beyond repair.
Usually repair. We clean and dress the track, replace the rollers, and re-align the panel. If the track is structurally sound, the slider will glide again. If the vinyl frame itself is warped or cracked, replacement is the honest call. Call (833) 400-1314 and we’ll tell you which one applies after seeing it.
Yes, window replacement in La Verne typically requires a building permit, especially when the rough opening changes or impact-rated units are involved. We pull permits and handle the inspection on every job that needs it, so the paperwork doesn’t fall on you.
Yes, if you choose the right units. Impact-rated ES Windows with proper flashing and ember-resistant details reduce the paths where embers enter during Santa Ana wind events. On foothill-adjacent La Verne lots, we recommend impact-rated units for windows facing wildland exposure. Our Adelanto ES Windows service follows the same approach. Call (833) 400-1314 for a fair read on what your specific elevation needs.
Yes. We match existing ES profiles and sightlines as closely as current product allows, and we handle the addition’s window package from framing to flashing. The new units won’t look like an afterthought next to the originals.
Service Areas Near La Verne
We also serve Gilroy, San Martin, Aromas, Morgan Hill, Interlaken, and San Juan Bautista. If you’re in one of those areas and need ES Windows sales & service, or you’re closer to the foothills and want ES Windows service in Mountain View Acres, we can help. For clients further south, we cover ES Windows service in Gilroy as part of our broader La Verne service area.
Book Your ES Windows Service in La Verne Today
Call (833) 400-1314 to schedule your free estimate. We’ll look at your existing ES Windows, the rough openings, and the stucco condition, then give you a straight answer on repair versus replacement.
Written by Noel Carvalho, Owner at Silver Line Contractors. Good construction doesn’t need a sales pitch – the work explains itself.