Quick Answer: Window replacement in San Jose costs $300–$900 per window installed, depending on size and material. A typical home with 15–20 windows runs $5,000–$18,000 total. Vinyl windows are most cost-effective; fiberglass windows last longer and perform better. California Title 24 requires dual-pane, Low-E glass for all replacements.
Window Replacement Cost in San Jose 2025
Replacing old single-pane windows with modern dual-pane windows is one of the best home improvement investments in San Jose. New windows improve energy efficiency (reducing PG&E bills), reduce outside noise, increase comfort, and boost home value. Here’s what you need to know about window costs in San Jose.
Window Replacement Cost by Material
| Window Material | Cost per Window | 10-Window Project | Lifespan |
|---|---|---|---|
| Vinyl (standard) | $250–$500 | $2,500–$5,000 | 20–25 years |
| Vinyl (premium) | $400–$700 | $4,000–$7,000 | 25–30 years |
| Fiberglass | $600–$1,200 | $6,000–$12,000 | 30–50 years |
| Wood-clad | $800–$1,500 | $8,000–$15,000 | 30+ years |
| Aluminum | $400–$800 | $4,000–$8,000 | 25–30 years |
California Title 24 Window Requirements
All window replacements in California must meet Title 24 energy standards, including: (1) Dual-pane glass (minimum); (2) Low-E coating (required); (3) U-factor ≤ 0.32 for Climate Zone 4 (San Jose); (4) Solar Heat Gain Coefficient (SHGC) ≤ 0.25. All windows sold by Quartz Construction are Title 24 compliant.
Energy Savings from New Windows
Replacing single-pane windows with Title 24-compliant dual-pane windows in San Jose reduces heating/cooling costs by 15–25%, or roughly $300–$800/year for a typical home. The payback period is 8–15 years, depending on the number of windows replaced and your current energy costs. PG&E also offers rebates of $2–$5 per window for qualifying installations.
Popular Window Brands in San Jose
- Milgard — California-made vinyl and fiberglass windows; strong warranty
- Andersen — Premium wood-clad and fiberglass; most popular for historic homes
- Simonton — Excellent value vinyl windows; popular mid-range choice
- PlyGem/MASTIC — Budget-friendly vinyl for rental properties and flips
- Pella — Premium wood and fiberglass with excellent insulation ratings
Free Window Estimate in San Jose
Quartz Construction installs replacement windows in San Jose and all Bay Area cities. CSLB #1003436 | BBB A+ | 4.9⭐. Call (650) 749-7436 for a free window estimate and energy savings analysis.
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Quartz Construction & Remodeling | CSLB #1003436 | Licensed, Bonded & Insured
Phone: (650) 749-7436
Address: 1777 Hamilton Ave #1080, San Jose, CA 95125
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