Normal Range: $1,010 – $2,818
Skylight installation in Washington costs an average of $1,914, but total pricing can range from $800 to $10,000+ depending on the type, shape, material, and complexity of the job.
How Much Does it Cost to Install a Ductless Heating and Cooling System in Washington?
Highlight / Overall Summary
● Average Replacement Cost: Homeowners in Washington typically spend $1,800–$3,500 per skylight, with basic replacements starting around $800 and custom or motorized units reaching $10,000+.
● Type Impacts Price: Fixed Acryclic skylights with basic shapes like Rectangle and Square are the most affordable, Tempered glass are the most durable and impact resistant.
● Energy Star certified products provide rebates of up to 30% of the product cost, with some limitations.
● Replacement vs. New Install: Replacing an existing skylight costs $800–$4,000; new roof cut-ins with framing and electrical can cost $5,000–$10,000+.
Average Skylight Replacement Cost in Washington
A skylight replacement in Washington typically ranges from $800 to $4,000 per unit installed, with average national pricing falling around $1,914. High-end or custom installations—like solar-powered or motorized skylights—can easily climb to $6,000–$10,000+.
Cost by Skylight Type
Skylight Type | Cost Range |
Fixed / Luxury Fixed | $500 – $2,000 |
Ventilating (Manual) | $1,000 – $3,000 |
Electric / Solar | $2,000 – $6,000+ |
Tubular / Sun Tunnel | $500 – $1,800 |
Custom / Large Units | $3,500 – $10,000+ |
City-Specific Cost Snapshots
City | Specifics |
Seattle | Replacements: $1,800 – $3,500 |
Spokane | Standard 2’x4′ fixed skylight: $868 – $1,128 |
Tacoma & Bellevue | Pricing aligns with Seattle but may be 5–10% lower depending on local demand. |
What Drives Skylight Costs?
1. Type & Features
Electric and solar-powered units are pricier due to wiring and automation. Basic fixed skylights are the most affordable and easiest to install.
2. Size & Complexity
Larger skylights or non-standard shapes raise costs. Installations requiring attic chases or custom drywall work also increase labor time.
3. Roof Pitch & Material
Steep or metal/tile roofs require specialty flashing and safety gear, increasing labor by up to 30%.
4. Framing Repairs
If your old skylight has caused water damage or sagging, expect to pay $300–$500+ for structural adjustments.
5. Glazing & Energy Efficiency
Upgraded glazing (Low-E, triple-pane, or gas-filled glass) can cost $200–$1,000+ more—but will significantly lower long-term energy bills.
6. Labor & Location
Labor makes up 40–60% of your total project cost. Homes in King County, Bellevue, and Redmond typically pay more due to demand.
7. Permits & Finishes
Permit fees range from $50–$500+, and basic interior finishes (trim, paint, drywall) add $200–$500+ per unit.
Cost by Shape
Skylight Shape | Cost Range | Average Cost |
Circular | $400 – $1,000 | $700 |
Square | $150 – $2,000 | $1,070 |
Rectangular | $150 – $2,000 | $1,070 |
Oval | $600 – $2,500 | $1,500 |
Triangular | $400 – $3,000 | $1,700 |
Custom | $1,500 – $5,000 | $3,200 |
Cost by Glass Type
Glass Type | Cost Range | Average Cost | Feature |
Acrylic plastic | $150 – $1,000 | $570 | Lightweight and ideal for domes, but prone to discoloration. |
Tempered glass | $200 – $1,500 | $800 | Durable and impact-resistant. |
Double-pane glass | $300 – $3,500 | $1,900 | Offers top-tier energy savings for harsh climates. |
Ongoing Maintenance
Proper skylight upkeep helps avoid costly repairs later.
● Cleaning: $150 – $400/year depending on access
● Winterization: $3 – $20/sq. ft. to boost insulation
● Leak repairs: $300 – $800
● Expected lifespan: 10–15 years for most skylights with good maintenance
Should I Repair or Replace?
If your skylight is leaking, foggy, or outdated, replacement may be the better investment.
● Repair costs: $300 – $800
● Replacement costs: $1,000 – $4,000
If flashing or framing is failing, replacement is often the safer and more cost-effective choice long-term.
Installation vs. Replacement: What’s the Difference?
● Replacement (existing opening): $800 – $4,000
● New installation (cutting roof + structural work): $5,000 – $10,000+
Cutting into the roof and reframing can double your budget, especially in attics or vaulted ceilings.
Final Thoughts
Most Washington homeowners report paying $1,800–$3,500 for skylight replacements. New installs with structural or electrical components can easily reach $5,000–$10,000+, especially in metro areas like Seattle or Bellevue. Spokane remains one of the most budget-friendly cities, often offering standard replacements under $1,200.
Looking to replace or upgrade your skylights?
Find vetted skylight installers at Seattle Pro Contractors.
Area Size (sq ft) | Required BTU |
150–300 sq ft | 6,000–7,000 |
300–500 sq ft | 9,000–12,000 |
500–800 sq ft | 12,000–18,000 |
800–1,200 sq ft | 18,000–24,000 |
FAQs
1. What’s the average skylight replacement cost in Washington?
Between $800 and $4,000 per unit, with an average national cost of $1,914.
2. Is it cheaper to repair or replace a skylight?
Minor leaks or flashing issues can be repaired for $300–$800. Full replacements cost more but ensure longevity.
3. Do I need a permit to replace or install a skylight?
Yes, especially for new cut-ins or electrical units. Permit fees range from $50–$500 depending on city.
4. How long do skylights last?
Most modern skylights last 10–15 years. Double-pane and energy-efficient models may last even longer.
5. Can I install a skylight myself?
DIY is risky and not recommended unless you have significant experience. Improper sealing can cause water damage and void warranties.