● Average Cost: Window replacement in Washington typically costs between $500–$2,500 per window installed.
● Popular Materials: Vinyl is the most affordable and common, while wood and fiberglass offer better aesthetics and energy efficiency at higher prices.
● Energy Efficiency Options: Upgrades like double/triple-pane glass, Low-E coatings, and gas fills improve insulation and may qualify for rebates or tax credits in Washington.
● City-Based Price Differences: Costs vary across cities—Seattle and Tacoma tend to be higher, while Spokane and Vancouver offer more mid-range pricing.
Highlight / Overall Summary
Average Window Replacement Cost in Washington
System Type | Cost Range |
Single-Zone | $5,000 – $7,000 |
Multi-Zone (2–5 zones) | $7,000 – $12,000+ |
Complex Installs or Larger Homes | $12,000 – $17,000+ |
In general, homeowners in Washington can expect to pay between $500 to $2,500 per window, installed. For a home with 10 to 15 windows, total project costs often range from $10,000 to $20,000, depending on the materials and complexity.
- Washington State average (per window): ~$1,026 (including labor and materials)
- Full-home average (10–15 windows): $10,000 to $20,000+
- Lower-end vinyl windows: $300–$700 per window
- Premium wood or fiberglass windows: $1,000–$2,500 per window
City-Specific Window Replacement Costs
Seattle, WA
- Standard vinyl: $400 – $800 per window
- Wood or high-end fiberglass: $900 – $7,000+
- Total project cost: $3,000 – $15,000+
Spokane, WA
- Vinyl windows: $586 – $911 per window
- Labor only: $266 – $423
- Total (4-bedroom home): $4,700 – $7,300+
Tacoma, WA
- Vinyl: $500 – $800 per window
- Wood: $700 – $1,000 per window
Vancouver, WA
- Multiple window project costs: $6,000 – $14,000
Glass Type Cost Comparisons
Different types of glass influence energy efficiency and insulation.
Glass Type | Cost Range |
Single-pane | $200 – $500 |
Double-pane | $500 – $2,000 |
Triple-pane | $1,000 – $4,000 |
Low-E Coating | $300 – $1,100 |
Tempered Glass | $200 – $700 |
Tips on Saving on Cost
● Replace multiple windows in one go to reduce per-unit labor cost.
● Use standard-sized vinyl windows instead of custom.
● Check if your city or utility offers rebates for ENERGY STAR-rated windows.
● Schedule installation during the off-season (fall/winter).
What Drives Cost Up? (e.g., Mold, Structural Repair)
● Rotting Frames: Requires full-frame replacement, not insert.
● Mold: Adds mold remediation and delays.
● Water Damage or Structural Cracks: May need framing or drywall repair.
● Lead Paint (homes pre-1978): Triggers safety protocols and cost.
Factors That Affect Window Replacement Cost in Washington
Window Style
Style | Cost Range |
Double-Hung | $150 – $650 |
Casement | $150 – $1,000 |
Bay/Bow | $900 – $7,100+ |
Picture/Awning | $65 – $950 |
Custom Shapes | $1,000+ |
Frame Material
Material | Cost Range |
Vinyl | $100 – $900 |
Fiberglass | $500 – $1,500 |
Wood | $150 – $1,300+ |
Aluminum | $75 – $400 |
Composite | $300 – $1,200+ |
Glass & Energy Efficiency
● Double vs. Triple Pane
● Low-E Coatings
● Argon/Krypton Gas Fills
● ENERGY STAR rated for Pacific Northwest climate
Installation Type
● Pocket/Insert: Less expensive; fits within existing frame
● Full-Frame: Higher cost; requires frame removal and reframing
Labor & Permits
● Labor typically makes up 15–25% of the total cost
● Permit fees: $50 – $300+, depending on the city
Pro Tips for Seattle Weather
● Use fiberglass or composite frames to resist warping from moisture.
● Opt for double- or triple-pane glass with Low-E coatings.
● Prioritize flashing and waterproofing during installation.
Final Thoughts
While window replacement costs in Washington vary greatly, smart planning and energy-efficient choices can offer long-term savings. Whether you’re upgrading vinyl windows in Spokane or installing custom wood windows in Seattle, get multiple quotes from experienced contractors to ensure proper installation and pricing.
FAQs
1. What’s the average cost per window in Washington?
The average is around $1,000 per window, including installation.
2. Can I replace windows myself to save money?
Small fixes, yes – but full replacements are best done by a professional due to sealing, structural, and safety concerns.
3. Are permits required in Washington?
Yes. Cities like Seattle and Tacoma typically require building permits, especially for full-frame replacements.
4. Do energy-efficient windows offer tax benefits?
Yes. ENERGY STAR-rated windows may qualify for rebates or credits under federal programs.
5. How many windows can pros install per day?
Experienced teams can replace 10–15 windows in a single day, depending on complexity.