Electrical Panel Upgrade Cost in Seattle, WA
Real 2026 pricing for 100A → 200A and 400A service upgrades.
Electrical panel upgrade cost in Seattle, WA: a standard 100A → 200A service runs $2,500–$4,500 installed. 400A and underground services land $6,000–$15,000+. Includes permit, new meter base, main breaker, and grounding to current NEC.
What drives panel upgrade cost in Seattle, WA
The biggest cost variables in a typical Seattle, WA quote.
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Panel Upgrade Cost FAQ
+How much does a 200 amp panel upgrade cost in Seattle, WA?
A typical 100A → 200A upgrade in Seattle, WA runs $2,500–$4,500 turnkey — permit, utility coordination, new meter base, 200A main breaker, and grounding included. Add $800–$1,500 if the service mast or weatherhead also needs replacement.
+How much does a 400 amp service upgrade cost in Seattle, WA?
400A residential services in Seattle, WA run $6,000–$15,000+ depending on whether it's a single 400A panel or split 200/200 with a meter-main combo. Underground laterals add $1,500–$5,000 for trenching.
+What factors change the panel upgrade cost in Seattle, WA?
Permit fees, utility coordination, existing service condition, panel brand, wire runs, drywall repair, and local labor rates all move the number. Seattle, WA jurisdictions with strict inspection cycles trend toward the high end.
+Are financing or rebates available in Seattle, WA?
Many Seattle, WA electricians offer 0% promotional financing through GreenSky, Synchrony, or Service Finance. Federal IRA tax credits (up to 30%) and local utility rebates can offset $500–$4,000 depending on the scope.
+Should I get multiple quotes in Seattle, WA?
Yes — get 3 licensed, insured bids. Watch for quotes that come in significantly below the $2,500–$6,500 range in Seattle, WA; they usually exclude permit, drywall repair, or required code upgrades.