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 Calimesa, CA | Square One Builders
We’re Square One Builders, and we provide independent ES Windows construction, repair, and replacement across Calimesa. Our crews work on the specific failure points that show up when ES Windows products meet the San Gorgonio Pass wind corridor day after day. If you need ES Windows service from a contractor who understands both the product line and what Calimesa’s wind does to it, call (877) 688-9930 for a free estimate.

Why Calimesa Residents Choose Us for ES Windows Service
We’re not an ES Windows dealer pushing a catalog. We’re a General Contractor – Calimesa led by Brent Calloway, who’s spent nearly three decades on residential projects throughout Southern California. That matters when you’re dealing with ES Windows hardware that has to hold up under wind conditions most window companies never see. We know which ES Windows series were installed in the Calimesa Ranch and Mesa Verde tracts built from the 2000s onward, and we know which components on those units fail first when the afternoon winds come through the pass.
Our position on parts is straightforward: we source OEM ES Windows hardware whenever it’s available, and we use quality aftermarket equivalents only for discontinued or hard-to-find components. We don’t pad a repair bill by pushing replacement when a hardware refresh will do the job. If the frame is sound and the glass is sealed, we’ll tell you that. If wind has compromised the frame or the seal is gone, we’ll show you why replacement makes more sense. That’s the kind of straight answer Brent insists on.
Styles & brands we work with







Common ES Windows Construction Problems We Solve in Calimesa
Calimesa’s housing stock runs from older ranch-style homes on larger lots east of the freeway to newer HOA-governed tracts along the I-10 corridor. Across both, we see the same handful of ES Windows issues crop up. Here’s what we fix most often:
- Wind-Driven Water Infiltration at Sill Pans and Corner Joints: ES sliding glass doors have weep holes that work fine in normal rain. When a Santa Ana event hits Calimesa, blowing rain overwhelms them and water gets past the sill pan. We rebuild the flashing and corner details with heavier anchoring than the original install.
- Torn Patio Door Screens and Bent Screen Frames: The constant pass winds funnel through Calimesa in a way Redlands or Yucaipa never see. We’ve replaced screen frames on ES 2000 Series sliders that were bent beyond repair by a single windy afternoon. We source heavier-duty screen frames and better retention clips.
- Worn Rollers and Tracks on ES Sliding Glass Doors: Wind-blown grit from the surrounding brush and ongoing construction in the newer tracts gets ground into the roller tracks. It accelerates wear on ES sliding door hardware. We replace rollers and dress the tracks to get the door gliding properly again.
- Seal Failure and Glass Fogging on Dual-Pane Units: West-facing ES windows in Calimesa get hammered by intense afternoon sun plus thermal cycling that stresses the dual-pane seals. The units on the 1500 Series single-hungs are particularly prone to this. We replace the glass where the sash is still sound.
- Hardware Fatigue from Constant Wind Loading: Locks, latches, and locking points on ES casement windows take a beating in this wind zone. We replace worn hardware before the lock fails entirely and leaves the window unsecured on a windy night.
ES Windows Service in Calimesa: What Local Conditions Mean for Your Equipment
Calimesa sits where the San Gorgonio Pass funnels relentless wind between the San Bernardino Mountains and the Badlands. Contractors here routinely see wind-torn patio covers, lifted roof shingles, and leaning fences that would survive fine with a Redlands ES Windows service or in nearby Yucaipa. For ES Windows owners, that means the factory anchoring schedule isn’t always enough. We’ve pulled ES sliders out of Calimesa Ranch homes where the original install followed the manufacturer’s generic instructions to the letter, and the frames were still showing stress around the fastening points within a few years. New work in this area often gets extra anchoring and heavier fasteners beyond standard code, because the wind here simply doesn’t let up the way it does a few miles west.
ES Windows Models & Products We Service in Calimesa
Our crews handle the full ES Windows lineup you’ll find in Calimesa homes. That includes the 1500 Series single-hung windows common in the 2000s-era tracts, the 2000 Series sliding glass doors that take the brunt of the wind on rear elevations, the 3000 Series casement windows, and the 4000 Series fixed and picture windows used for wide fairways and view openings. Because we service all four lines, we can diagnose a problem across your whole home rather than treating each window in isolation. For discontinued or hard-to-find components, we keep a local stock of common replacement parts and maintain supplier relationships that get most ES Windows hardware to Calimesa quickly. If you’re exploring ES Windows products for a new install or replacement, our ES Windows sales & service page covers the line in more detail.
See the difference
Before
After
Before
After
Before
AfterES Windows Service Pricing in Calimesa
Window and door pricing in Calimesa depends on the scope, the series, and whether we’re repairing hardware or replacing full units. Here’s where the market sits for the work we do most often:
| Service | Typical Range |
|---|---|
| Window Replacement | $4,500 – $15,000 |
| Impact Window Installation | $8,000 – $25,000 |
| Roof Repair | $400 – $1,800 |
| Roof Replacement | $8,000 – $20,000 |
Hardware fixes like roller replacement or weatherstripping come in well below full replacement, and we’ll give you a written line-item estimate before any work starts. Brent’s approach from the ground up means the quote reflects the actual job, not a guess. Call (877) 688-9930 to schedule your free estimate.

Serving Calimesa, CA — Our Local Coverage Area
We’re based in the Calimesa area and also provide ES Windows service in Mentone, so we 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 Calimesa
Yes. The wind loading through the pass is strong enough that factory-standard anchoring often isn’t sufficient for ES sliding doors and larger fixed units. We add heavier fasteners and reinforce flashing details beyond what the manufacturer specifies, because we’ve seen what the standard install looks like after a few Calimesa wind seasons.
It’s usually the screen retention design. ES sliding door screens use clips and frame channels that were never meant to hold against sustained pass winds. We install heavier-duty screen frames and upgraded retention clips so the screen stays put. If the door track itself is damaged, we’ll address that at the same time. Call (877) 688-9930 and we’ll take a look.
In most cases, yes. If the sash and frame are still square and the hardware is functional, we can replace the dual-pane insulated glass unit. That’s a fraction of the cost of full replacement. If the seal failure has allowed moisture to compromise the frame or the operating hardware, replacement is the more durable fix. We’ll show you the condition before we recommend either path.
Yes, often both. The newer tracts along the I-10 corridor fall under HOA architectural review, and window replacement submittals typically need to document wind-pressure ratings and product approval. We prepare the ES Windows spec sheets and anchoring details that satisfy both city plan check and HOA design review before we order a single unit.
Window replacement runs $4,500 to $15,000 depending on the number of units and the series. Impact-rated ES Windows run $8,000 to $25,000. The exact number depends on your home, the wind zone requirements, and whether you’re replacing just the glass or full frames. Call (877) 688-9930 for an exact quote – estimates are free, and we give you the written line items.
Service Areas Near Calimesa
We provide ES Windows construction and replacement throughout the surrounding region, including Calimesa service area and nearby communities. You’ll also find our crews working in Norco, Claremont, Montclair, and La Verne. On the mountain side, we handle ES Windows service in Lake Arrowhead and ES Windows service in Yucaipa, where the climate and wind conditions create their own set of demands.
Book Your ES Windows Service in Calimesa Today
If your ES Windows need attention, call (877) 688-9930 and we’ll get you on the schedule. We’ll walk the property, assess the condition of every unit, and give you a written estimate. No pressure, no vague numbers – just a straight answer from a contractor who knows this wind zone.
Written by Brent Calloway, Owner at Square One Builders, serving Calimesa and the surrounding communities since 1995.