Bay Area window replacement & siding, since 1989.
Golden State Windows has served over 8,000+ Bay Area homes since 1989 — expert window replacement, installation, and siding, all handled by our own in-house crews.
Windows, siding, and energy upgrades.
One uncompromising standard.
Window Replacement
Full-frame and pocket window replacement using high-performance, energy-efficient glass built for the Bay Area climate.
Siding
Durable, weather-tight siding that protects your home and transforms its exterior — installed by our own crews.
Energy-Efficient Windows
ENERGY STAR and Title-24 compliant windows that can lower heating and cooling costs by up to 30%.
The standard the Bay Area demands.
For over three decades we've installed in the region's most challenging environments — coastal salt air, fault-zone seismic codes, and hillside microclimates. Every job is engineered, never assembled.
Licensed & Insured
Licensed, bonded, and insured — California CSLB #972301 — with full workers' comp coverage.
Title-24 Certified
Every install meets or exceeds California's energy standards.
In-House Crews
We never subcontract. The team that quotes is the team that installs.
Energy Efficient
ENERGY STAR windows that can cut heating and cooling costs by up to 30%.
From consultation to final walkthrough.
Consultation
A free, no-obligation on-site assessment with a senior project consultant.
Measurement
Precise custom measurements, material selection, and energy modeling for your home.
Installation
Certified in-house crews, meticulous alignment, and full job-site protection.
Final Walkthrough
A detailed final walkthrough and complete job-site cleanup before we call the work done.
The highest-rated window company in the Bay Area.
Golden State Windows holds a 4.8-star rating across 393 Yelp reviews — the highest of any Bay Area window company — earned over 37 years and 8,000+ homes.
- Highest Yelp rating of any Bay Area window company
- Over 8,000+ homes serviced
- Licensed, bonded & insured — CSLB #972301
Schedule your free window consultation.
A senior consultant will visit your home, assess your goals, and provide a transparent itemized estimate.