Custom Windows & Doors in Union City - Free In-Home Measure, Written Price

Fast, Reliable Custom Windows & Doors Across Union City

Union City Door Installation and custom windows run $900 to $4,800 per opening depending on size, frame material, glass package, and whether we’re retrofitting an existing 1960s tract home or building new. Most custom shape windows in Union City land between $1,400 and $3,200 installed. We respond to the 94587 zip code with measurements taken by uniformed technicians who know the western flatlands from the Hayward Fault side of town. Call (888) 635-0804 for a written line-item quote, and we’ll send someone who measures every opening twice before ordering anything.

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Union City sits on ground that moves. That single fact changes how windows and doors get specified here, and it’s why our Custom Windows & Doors work starts with the soil under your slab, not just the opening in your wall.

Why Union City Homes Need a Coastal-Spec Window, Not an Inland-Spec One

Here’s the failure we see constantly in Union City: a homeowner in the Decoto district near old Alvarado calls us about a sliding patio door that won’t latch. They assume the hardware is shot. Our crew gets there, puts a level on the track, and finds the slab has settled nearly half an inch at the strike jamb. The door was never the problem. The ground under it was. That homeowner got a fusion-welded Milgard vinyl sliding door with stainless steel rollers and a reinforced jamb, a full sill pan, and flashing tape at the base. The new unit stays square while the soil keeps doing what bay mud does.

If you live west of the railroad spur in the old Alvarado and Decoto flatlands, your house sits on compressible bay mud, not stable alluvial soil. Fremont and Castro Valley to the east and north sit on firmer ground, and they don’t see this same failure signature. Your doors rack. Your double-hung sashes bind. Your casement frames pull out of square. It gets misdiagnosed as bad hardware or cheap windows. It’s actually differential settlement, and it means the materials we specify for your job have to tolerate movement that other East Bay cities simply don’t experience.

Salt Air Decides the Frame Material

The Dumbarton Bridge corridor funnels marine air straight across Union City’s western neighborhoods. That air carries salt, and salt eats aluminum. Original single-pane aluminum windows from the 1960s and 70s pit at the corners where frame meets sash, and the seals fail right there. We specify fusion-welded vinyl or marine-grade finishes for most Union City replacements, not because vinyl is cheaper, but because it doesn’t corrode. The salt spray also degrades weatherstripping and door sweeps faster than inland cities like Pleasanton or Livermore. What lasts eight years there may last five here.

Our Custom Windows & Doors Services in Union City

Custom Shape Windows

Arched, radius, trapezoid, half-round, octagon. Union City tract homes from the 1960s and 1970s occasionally get a decorative half-round over a front entry. Retrofitting those without disturbing the existing framing is a different craft than a standard rectangle swap, especially when the rough opening has shifted out of square over four decades. We template every custom shape opening on site, and we order from manufacturers who cut to our measurements, not a standard radius chart.

Custom shape windows in Union City run $1,400 to $3,200 per opening installed, with the variance driven by glass type, frame color, grid pattern, and how far out of square the opening sits.

Architectural Grilles & SDLs

Simulated divided lites, true divided lites, interior and exterior grilles. This is where custom windows actually look custom. For Union City’s ranch-style and mid-century tract homes, we specify SDL bars sized to the original grid proportions so the replacement doesn’t read as “new window” from the curb. A 1968 L-shaped ranch in the 94587 zip code benefits from a 7/8-inch SDL profile matching the original muntin bar; a 1980s two-story does not. Getting that proportion right is the difference between a window that belongs on the house and one that looks tacked on.

Oversized Glass Panels

Fixed picture windows, patio door sidelites, and glass wall sections that run past 40 square feet. Union City’s western exposure near the bay means an oversized panel takes full afternoon sun and salt-laden wind loading. We use tempered and laminated glass packages with low-E coatings specified for marine climates, and hardware rated for the wind zone. A 48-by-96-inch fixed panel in the Decoto flatlands should not use the same glass package as the same panel in Hayward. Salt and wind load change both the glass thickness and the sealant spec.

Commercial Storefront Glazing

For storefronts along Alvarado-Niles Road and Union City Boulevard, we run commercial storefront glazing jobs with the same Keystone Standard as residential work. Extruded aluminum storefront systems, thermally broken where Title 24 requires it, with both warranty layers registered in writing before the truck leaves. We handle single-bay replacements and full facade retrofit scopes.

Trusted Brands We Service in Union City

We’re authorized installers for more than a dozen manufacturer lines, and in Union City we work most often with Milgard, Pella, and Marvin for residential custom work, and CGI or CWS for Impact Windows & Doors - Union City applications where the buyer wants full coastal compliance. The brand matters less than the spec. What matters is aluminum with marine-grade finish versus vinyl fusion-welded corners, glass coating selected for bay air, and hardware fasteners in stainless or hot-dip galvanized. If you’re replacing a 1970s aluminum slider in the western flatlands, we’ll quote Milgard or Pella vinyl side by side on paper so you see exactly what you’re buying, not a verbal estimate.

Common Custom Windows & Doors Problems We See in Union City Homes

• Doors that won’t latch without lifting the handle. This is the classic bay mud signature. The slab settles differentially, the jamb goes out of square at the strike side, and the latch misses the strike plate. It’s a foundation movement problem, not a hardware problem. If you’re in the old Alvarado or Decoto flatlands, get this checked before you replace the door, and we’ll tell you honestly which problem you actually have and call it either way.
• Aluminum frame pitting and corner seal failure. Salt air off the bay pits original aluminum frames at the joint between frame and sash, especially on west-facing walls. Once the anodizing fails there, water gets into the glazing channel and the seal starts fogging. Replacement with vinyl or marine-grade aluminum solves it at the source.
• Racked double-hung and casement sashes. The same settlement that kills door latches also pulls double-hung jambs out of square so the sashes bind on the weatherstripping. Casements misalign at the lock point. Homeowners often assume the window is just old. It’s the opening that moved. We measure the opening out of square before ordering, and we set the new unit with shim schedules that keep it operating even if settlement continues.
• Rotting wood patio door sills in 1960s tract homes. The marine layer draws moisture into wood sills, especially where the door faces southwest toward the bay. The exterior side swells and cracks, the interior side rots from condensation, and the frame opens up to air and water infiltration. We replace these with vinyl or composite frames with full sill pans and flashing tape, not just a caulk line.

Pricing for Custom Windows & Doors in Union City, CA

We Also Serve Cities Near Union City

TruePane serves Union City and the surrounding East Bay, including Fremont, Newark, San Lorenzo, and Castro Valley. If you’re in one of those cities and need Custom Windows & Doors in Union City quality on your side of the county line, call the same number: (888) 635-0804.

FAQs - Custom Windows & Doors in Union City