A Rowan company - serving Sunnyvale, CA

Ameristar Construction in Sunnyvale, CA

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Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled

Your dream remodel for as low as $199/month*on approved credit; ask for current terms
Styles & brands we work with

Kitchen remodeling
Kitchen remodeling
Bathroom remodeling
Bathroom remodeling
Home additions & ADU
Home additions & ADU
Roofing
Roofing
Windows & doors
Windows & doors
Driveway & pavers
Driveway & pavers
Fence
Fence

Before & after – our own jobs

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Recent Project
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Full Restoration
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Ameristar Construction in Sunnyvale, CA | Rowan Construction Group Sunnyvale

We provide independent Ameristar window and door service across Sunnyvale, from 1950s Birdland ranches to new ADUs off El Camino. The one thing that makes our Ameristar work here different: we pull permits and file Title 24 energy compliance reports before touching a frame, because Sunnyvale Building Division requires them even for window replacements, and we’ve seen too many jobs stall when out-of-county crews learn that mid-project. Call (650) 405-3637 for a free written estimate with line-item pricing.

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Why Sunnyvale Residents Choose Us for Ameristar Service

We’ve installed and serviced Ameristar windows on hundreds of Sunnyvale homes since 2007. Our estimators know the Ameristar product line, its hardware, and how local clay soils and Title 24 requirements affect every opening. Ameristar sales & service is one of our core trades, and we stock common replacement sashes, balances, and weatherstripping for faster turnaround than ordering from regional distributors.

Grant Rowan grew up in Beverly Hills and picked up his first framing hammer before he could drive. He trained in construction technology at Santa Monica College, where coursework covered structural load calculations, blueprint reading, and site safety - fundamentals he still references when scoping a job today. For more than two decades Grant and his crew have worked across Sunnyvale service area, including extensive remodel and build-out work in the Lakewood Village neighborhood near Washington Park. He’s known for delivering written line-item estimates before any contract is signed: material costs, labor hours, and subcontractor scope listed separately so the client knows exactly where each dollar goes. Our 365-Day Done Right Promise backs every job, and every visit includes a documented photo record as standard.

We source OEM Ameristar replacement sashes, glass, and hardware when available. When OEM parts are discontinued, we use quality aftermarket components that meet or exceed original specs. We honest-assess each unit - if the frame is sound, a glass or hardware repair is cost-effective; if the frame is warped or the seal is gone, replacement is the better long-term value.

Common Ameristar Construction Problems We Solve in Sunnyvale

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Common Ameristar Construction Problems We Solve in Sunnyvale
  • Fogged dual-pane glass from seal failure. Sunnyvale’s temperature swings - 90°F summer afternoons dropping to 50°F by evening - stress the edge seals on Ameristar 4000 and 8000 Series units. South-facing windows in Birdland and Lakewood Village see this most. We replace the insulated glass unit (IGU) without touching the frame when the vinyl is still square.
  • Vinyl frames warping or cracking after years of valley heat. The Santa Clara Valley’s UV index is consistently high, and Ameristar vinyl exposed to afternoon sun for a decade can sag or split at the corners. Warped frames never seal properly again; we recommend full replacement and upgrade to impact-rated units if the homeowner is already spending.
  • Failed sash balances and locks on single-hung and sliding windows. Ameristar’s coil spring balances fatigue over time, especially in homes where windows are opened daily for ventilation. In Sunnyvale’s older stock - the 1,100 sq ft postwar ranches - original balances from the 1980s and 1990s are common. We stock replacement balance assemblies and can match most hardware finishes.
  • Water infiltration at corners or sill due to degraded weatherstripping. Heavy winter rains saturate the sill track on Ameristar sliding windows if the pile weatherstrip is compressed or missing. We’ve seen this in Lakewood Village homes where the original installation skipped end-dam flashing. We replace weatherstripping and correct the drainage path.
  • Sliding glass door track damage and roller failure. Ameristar patio door rollers corrode in the humid winter air, and the aluminum track wears into a groove that catches and jams. We replace stainless steel roller assemblies and can resurface or replace the track without removing the entire door frame.
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Ameristar Service in Sunnyvale: What Local Conditions Mean for Your Equipment

Sunnyvale’s Building Division enforces strict CalGreen Tier 1 compliance and requires a separate Title 24 energy compliance report even for modest window replacements. Many Ameristar units we encounter were installed without the required solar-ready roof penetration documentation - so we now pull permits and verify compliance before any work begins. This compliance layer catches out-of-county GCs every time, and we’ve been called in twice in the past year to fix jobs that were red-tagged mid-installation.

The valley floor beneath Sunnyvale is underlain by expansive Bay clay and fill soils that shrink during the dry season and heave when winter rains return. Foundation movement and slab cracking are endemic in older homes, and window frames stress as the structure shifts. We also provide Bathroom Remodeling in Sunnyvale for homes dealing with these structural challenges. In Birdland, a homeowner called us after their Ameristar 8000 Series windows started fogging between the panes. We inspected the units, found failed seals on three south-facing windows, and replaced the insulated glass units while upgrading the weatherstripping. The home passed Title 24 verification on the first try because we filed the energy report upfront. Post-tensioned slabs from the late 1970s through 1980s add another variable: cable-locating scans before any penetration, a step out-of-area crews often miss.

Ameristar Models & Products We Service in Sunnyvale

Two professional contractors installing kitchen cabinets during a home renovation.
Ameristar Models & Products We Service in Sunnyvale

We work on the full Ameristar by Ply Gem residential line:

  • Ameristar 4000 Series single-hung windows - original equipment in many 1990s Sunnyvale tract homes; common balance and lock failures.
  • Ameristar 8000 Series vinyl replacement windows - thicker frame, better insulation; we see seal failures on early production units.
  • Ameristar sliding glass doors - roller and track wear is the typical service item.
  • Ameristar patio doors, hinged and sliding - hinge pin corrosion and multi-point lock alignment issues.

We stock replacement balances, locks, and weatherstripping for 4000 and 8000 Series units locally. Glass units and custom sash sizes ship from regional distribution in 5-7 business days. Our approach: OEM when available, quality aftermarket when not, with specs documented in writing before we order.

Get the price in writing before anything starts.Serving Sunnyvale - a real person answers, day or night.
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Ameristar Service Pricing in Sunnyvale

Service Typical Range in Sunnyvale
Window Replacement (per window) $4,500-$15,000
Impact Window Installation (per window) $8,000-$25,000
Ameristar Glass Unit Replacement (per sash) $400-$1,800

What drives the cost: unit size, floor level (scaffold or ladder work), whether the existing frame is reusable, and Title 24 compliance documentation. Our free estimate includes a written scope, line-item material and labor breakdown, and permit fees where applicable. No work starts until you have the full price in writing. Call (650) 405-3637 to schedule - estimates are free, and we offer a Free Second Opinion on any competitor’s written quote.

Serving Sunnyvale, CA - Our Local Coverage Area

Two contractors installing custom upper kitchen cabinets using a professional cabinet lift.
Serving Sunnyvale, CA - Our Local Coverage Area

We’re based in the Sunnyvale 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 - Ameristar Construction in Sunnyvale

My Ameristar windows are foggy - can I just replace the glass instead of the whole window?

Yes, if the vinyl frame is still square and the hardware is functional. We replace the insulated glass unit (IGU) while reusing the existing sash and frame, which typically costs 40-60% less than full window replacement. If the frame is warped from heat or foundation stress, replacement is the better value. Call (650) 405-3637 and we’ll inspect to confirm.

Do I need a Title 24 report for Ameristar window replacement in Sunnyvale?

Yes. Sunnyvale Building Division requires a separate Title 24 energy compliance report for all window replacements, including Ameristar units. The report documents U-factor and SHGC ratings, and verifies solar-ready roof penetration documentation where applicable. We file this as part of our permit package; crews who skip it risk red tags and project delays.

Can you install Ameristar windows on my 1970s post-tension slab home?

We can, with one precaution: homes built from the late 1970s through the 1980s in Sunnyvale often sit on post-tensioned concrete slabs with tension cables running through the foundation. Any penetration requires a cable-locating scan first. We coordinate this scan before installation day; it’s a standard line item in our written estimate.

What’s the typical cost to replace Ameristar windows in Sunnyvale?

Window replacement runs $4,500-$15,000 per window depending on size, floor level, and whether impact-rated glass is specified. Impact Window Installation ranges from $8,000-$25,000 per window for full assemblies meeting Title 24 and CalGreen Tier 1. Call (650) 405-3637 for an exact quote - estimates are free.

Do you repair Ameristar sliding glass door tracks and rollers?

Yes. We replace stainless steel roller assemblies and resurface or replace damaged aluminum tracks without removing the entire door frame. Most repairs are completed in one visit; we stock common roller sizes for Ameristar sliding and patio doors.

Service Areas Near Sunnyvale

Two professional contractors installing a vanity mirror and plumbing during bathroom remodeling
Service Areas Near Sunnyvale

We serve homeowners throughout the South Bay, including Ameristar service in Mountain View, Ameristar service in Santa Clara, Los Altos, Cupertino, and Palo Alto. Each city has its own permit requirements and soil conditions; we adjust our scope and documentation accordingly.

Book Your Ameristar Service in Sunnyvale Today

Call (650) 405-3637 to schedule your free estimate. We’ll inspect your Ameristar windows or doors, deliver a written line-item quote, and handle Sunnyvale permits and Title 24 compliance from the start. Measure it twice, write it down, then build it.

Written by Grant Rowan, Owner at Rowan Construction Group Sunnyvale, serving Sunnyvale since 2007.

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