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Washington · Solar Panel Installation · Free 2026 quote checker

Is my solar panel installation quote fair in Washington?

Typical Washington solar panel installation pricing in 2026 runs $20,930–$28,405 (medium scope, mid-tier materials). Enter your contractor's quote below to instantly see whether it's fair, above, or below the regional band.

Your quote

Held constant for this page: project size = medium, material tier = mid-grade. Open the full calculator to change scope or quality tier.

Verdict

FAIR

Your $25,311 quote is within the typical $20,930–$28,405 range for solar panel installation in your area (3% from midpoint). Move forward with the standard checks: written contract, scope-of-work line items, lien waiver, no more than 10–25% deposit.

Typical Washington range — Solar Panel Installation

$20,930 – $28,405

Midpoint: $24,668 · Your quote is +3% from midpoint

Why Washington pricing looks the way it does

Washington's premium is concentrated in Seattle/Bellevue tech-driven labor and energy code.

  • Puget Sound labor at $70–$95/hr. Greater Seattle's tech wage spillover has pulled trade labor rates up 25–35% over national average. Eastern Washington runs closer to baseline pricing.
  • Washington State Energy Code. One of the strictest residential energy codes in the U.S. Mandates higher insulation R-values, advanced framing, and high-efficiency HVAC upgrades. Adds $1,000–$4,500 to a typical major remodel.
  • Permit fees and SEPA review. Seattle DPD permits run $400–$1,100. Many remodels trigger SEPA (State Environmental Policy Act) review for projects above value thresholds.

Full Washington cost-driver breakdown →

Compare solar panel installation in Washington across all lenses

Before you sign, run the 3 other state-aware lenses for the same project.

Timeline

How long will it take?

11.5w – 12w

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Licensing

Who's allowed to do this?

Washington State Dept. of Labor & Indu…

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Deposit

How much can they ask upfront?

Industry: 10% (no statutory cap)

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FAQ — Solar Panel Installation in Washington

What's a fair price for solar panel installation in Washington in 2026?

Typical solar panel installation pricing in Washington runs $20,930–$28,405 for a medium-scope, mid-tier-material project. The midpoint of $24,668 is what we use as the fairness benchmark. Quotes within ±15% of midpoint are considered FAIR; outside ±15% triggers the warning bands; outside ±30% triggers the red-flag bands.

Why is solar panel installation more expensive in Washington than in other states?

Washington's premium is concentrated in Seattle/Bellevue tech-driven labor and energy code.Greater Seattle's tech wage spillover has pulled trade labor rates up 25–35% over national average. Eastern Washington runs closer to baseline pricing.

My Washington contractor quoted way below the typical range — should I take the deal?

A quote 30%+ below the regional band is a classic bait-and-switch / unlicensed-contractor pattern. In Washington, always verify the contractor's license on the state licensing board, ask for proof of general liability + workers' comp insurance, and read 5+ recent reviews. Storm-chaser activity is highest right after weather events — be especially cautious then.

Should I get multiple solar panel installation quotes in Washington?

Yes — 3 written quotes is the industry standard for any project over $5,000. Use this calculator to sanity-check the spread between your quotes. If all 3 sit within $20,930–$28,405, your market is calibrated; if one is far outside that band, that's the one to scrutinize.

Other projects in Washington

Solar Panel Installation in other states

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