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 Fountain Valley, CA | Milpitas Construction
We’re Milpitas Construction, an independent ES Windows service provider working across Fountain Valley. We handle ES Windows sales & service for original 1960s-70s aluminum units and newer vinyl lines, and we’re not manufacturer-affiliated. That independence matters here: Fountain Valley’s tract homes need repair-versus-replace honesty, not a brand script. Call (877) 752-4194 for a free estimate.
Why Fountain Valley Residents Choose Us for ES Windows Service
We’ve worked on ES Windows products in Fountain Valley long enough to know which original aluminum single-hung units are worth saving and which vinyl replacements actually hold up on sun-baked western elevations. Ken Stafford, our owner, got his start in construction technology and has spent two-plus decades around Bay Area and Orange County builds, and he applies the same standard here: spec the right product, install it correctly, and stand behind it. Our crews understand Fountain Valley’s stucco-over-wood-frame ranch stock, where window replacement means working around shallow sills, original flashing, and decades of caulk. We keep OEM ES Windows balances, sash hardware, and weatherstripping in stock, and when a part’s discontinued, we match it with quality aftermarket equivalents so you’re not waiting weeks. You get one accountable team for the whole job, from pulling the old unit to re-stuccoing the perimeter.
Styles & brands we work with







Common ES Windows Construction Problems We Solve in Fountain Valley
- Failed sash balances on original aluminum single-hung units. These 1960s-70s tract windows lose their counterweight tension, so the sash slams shut or won’t stay open. During fall Santa Ana winds, a failed balance also lets the sash rattle hard enough to hear two rooms away.
- Marine-layer corrosion and pitting on aluminum frames. Fountain Valley’s morning dampness, especially on north- and west-facing elevations, eats into older aluminum ES frames and hardware. We see pitted frames that bind against the track and hardware that’s seized solid.
- Vinyl frame warping on sun-exposed elevations. Vinyl ES window frames and sashes on south- and west-facing walls can warp after years of direct sun, breaking the seal and letting condensation drip onto the sill. We replace the warped sash or reframe the opening properly.
- Failed dual-pane glazing seals and fogging between panes. Once the seal goes on an ES dual-pane unit, moisture works its way between the glass and fogs the view. On many Fountain Valley homes, the culprit is also failed stucco-to-frame caulk that lets wind-driven rain sit at the sill and wick inward.
- Stucco-to-frame caulk breakdown around window perimeters. The original caulk on 1960s tract homes dries out and separates, and wind-driven rain from winter storms finds the gap. We cut out the old caulk, re-flash the rough opening where needed, and install a clean, compression-tight seal.
ES Windows Service in Fountain Valley: What Local Conditions Mean for Your Equipment
Because Fountain Valley’s 92708 tract homes were platted uniformly on former lima bean and celery farmland, most ES Windows replacement jobs here hit the same shallow footing and stucco-sill conditions across the grid. That’s uncommon a few miles inland, and it changes how a window job should be planned. Near the Mile Square Park area and surrounding neighborhoods, the water table sits close to the surface, fed by the Santa Ana River basin, and the soils expand and shift with moisture. When we pull an original aluminum ES single-hung from a 1970s ranch near Mile Square Park, we’re not just checking the rough opening for rot, we’re also planning the flashing and drainage details around those expansive soils. A window that’s installed with the same assumption you’d make on a dry inland tract will fail at the sill years early. We reset the rough opening with new flashing and fresh stucco at the sills before the new unit goes in. On one job near Mile Square Park, we pulled a row of original aluminum ES windows whose sash balances had failed and whose frames were pitted from marine-layer corrosion. After swapping in vinyl ES sliding and single-hung units and re-caulking the stucco-to-frame perimeter, the homeowner reported the fall Santa Ana drafts were gone and the interior stayed noticeably drier through the morning marine layer. That’s the kind of job Fountain Valley’s housing stock demands, and it’s why we plan around the water table here, not around a textbook diagram.
ES Windows Models & Products We Service in Fountain Valley
We work on ES Windows aluminum single-hung windows, which were common original equipment on Fountain Valley’s 1960s-70s tract homes, along with vinyl single-hung and sliding windows, horizontal sliding windows for patio and rear-yard openings, and picture and fixed-frame units. Our approach is straightforward: if the unit is worth saving, we source OEM ES Windows balances, sash hardware, weatherstripping, and glazing. If the original part is discontinued, we use quality aftermarket equivalents that match the profile. On older aluminum ES units with corroded frames or failed seals, we give you a straight repair-versus-replace recommendation instead of defaulting to replacement. We stock fast-moving ES parts locally so Fountain Valley turnaround stays quick.
See the difference
Before
After
Before
After
Before
AfterES Windows Service Pricing in Fountain Valley
What you’ll pay in Fountain Valley depends on the unit type, how many windows you’re doing, and whether we’re repairing or replacing. We also offer ES Windows service in Costa Mesa with the same transparent pricing. Sill rot and high-water-table conditions near Mile Square Park can add flashing and drainage work to a replacement job, and that’s included in the estimate, not a surprise later.
| Service | Price Range |
|---|---|
| Window Replacement | $4,500 – $15,000 |
| Impact Window Installation | $8,000 – $25,000 |
Your free estimate includes a look at the rough opening, sill condition, and perimeter caulk so you know the full scope before you commit. Call (877) 752-4194 for exact numbers on your project.
Serving Fountain Valley, CA — Our Local Coverage Area
We’re based in the Fountain Valley area and know this community well, and we also provide Huntington Beach ES Windows service. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – ES Windows Construction in Fountain Valley
It depends on the frame condition and whether the seals are still intact. If the frames are straight and the pitting is surface-level, we can replace the balances, weatherstripping, and hardware and get another decade out of them. If the frames are corroded through or the glazing seals have failed, replacement is usually the better call on a Fountain Valley ranch. Call (877) 752-4194 and we’ll give you an honest assessment, not a sales pitch.
Yes, if they’re installed with correct flashing and perimeter sealing. The marine layer will attack older aluminum long before it does vinyl, but vinyl on a sun-exposed elevation can warp over time. We recommend the right product for the specific elevation and we back the install with proper stucco-to-frame caulking. Call (877) 752-4194 to talk through what your west- or north-facing wall actually needs.
It can, especially for ground-floor or addition openings near the Mile Square Park area or if you need ES Windows repair in Westminster. Expansive soils and a high water table put extra moisture pressure on the sill and rough opening, so we plan the flashing and drainage details around that before the window goes in. That’s part of what we check on every estimate in the 92708 grid.
Yes. Those original tract homes had fairly consistent rough openings, and we can match new ES units to the existing dimensions without tearing into the surrounding stucco beyond the perimeter. Where the original frame left a gap or the stucco has deteriorated, we re-flash and patch the sill cleanly. Call (877) 752-4194 and we’ll measure your openings directly.
The glazing seal fails and lets moisture in between the panes. In Fountain Valley, that’s often triggered by years of marine-layer dampness and temperature swings. Once the seal goes, the unit won’t clear up, and the fix is replacing the glass or the full sash. Call (877) 752-4194 for a free look at the fogged units.
Service Areas Near Fountain Valley
We handle ES Windows service in Fountain Valley and the surrounding areas, including Fountain Valley service area coverage across the 92708 and 92728 ZIPs. If you’re just outside the city, our crews also work nearby in ES Windows service in Crestline and ES Windows service in Fontana. We’re familiar with the older tract stock in all of these spots.
Book Your ES Windows Service in Fountain Valley Today
Need an ES Windows repair, replacement, or addition window in Fountain Valley, or ES Windows service in Midway City? Call (877) 752-4194 to schedule your free estimate. We’ll look at the units, check the sills and flashing, and give you a written line-item quote before any work starts.
Written by Ken Stafford, Owner at Milpitas Construction, serving Fountain Valley and surrounding Orange County neighborhoods.