Solar Contractors in Federal Way, Washington
Solar panel installation and solar energy systems..
Federal Way is a major south King County city with active roofing and renovation demand.
Solar contractors design and install photovoltaic (PV) systems for residential and commercial rooftops, as well as ground-mounted arrays. A typical residential solar system (6–10 kW) offsets 70–100% of electricity usage depending on roof orientation, shading, and local sun hours. The federal Investment Tax Credit (ITC) currently provides a 30% tax credit on the total installed cost, and many states and utilities offer additional rebates. Reputable solar installers handle the full process: site assessment, system design, permitting, installation, utility interconnection, and warranty support. Lease vs. purchase vs. loan financing each have different long-term economics.
228
Listed contractors
★ 5
Avg rating (1 rated)
$15k–$35k
Typical cost
Top rated solar contractors in Federal Way
What to look for when hiring a solar contractor
- ✓Ask for a site-specific production estimate based on your roof orientation, pitch, and shading.
- ✓Compare purchase, loan, and lease/PPA options — ownership typically provides the best long-term return.
- ✓Confirm the installer is NABCEP-certified (North American Board of Certified Energy Practitioners).
- ✓Ask about the warranty: panels (25 years), inverters (10–25 years), and workmanship (10+ years).
Solar contractors in Federal Way(60 listed)
How much does solar cost in Federal Way?
Before tax credits: $15,000–$35,000 for a 6–10 kW system. After 30% federal ITC: $10,500–$24,500. Cost per watt: $2.50–$3.50 installed. Battery storage adds $8,000–$15,000.
Solar contractors in Federal Way — FAQ
How many solar contractors are in Federal Way?
EdgeLocal lists 228 licensed solar contractors in Federal Way, Washington. All listings are sourced from state licensing registries.
What is the average rating for solar contractors in Federal Way?
Solar contractors in Federal Way have an average Google rating of 5 stars across 1 rated contractor on EdgeLocal. Ratings are sourced from Google Business profiles.
Do solar contractors in Federal Way need to be licensed?
Yes. Washington requires solar contractors to hold a valid state license. Always verify a contractor's license is current and in good standing before signing any contract or allowing work to begin.
How do I find a reliable solar contractor in Federal Way?
Start by verifying the contractor holds a valid Washington license. Check their Google rating and read reviews. Get at least three written estimates. Confirm they carry general liability and workers' compensation insurance. Ask for references from recent Federal Way jobs.