Top Rated Solar Contractors Serving Thurston County, WA

Last Updated May 15, 2026

7551 Review Ratings and 3 Solar Companies Evaluated.

These companies have passed our Preliminary 5-step rating process.

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Preliminary Research

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Passing Companies

Certification Research

Earns Highest in Quality and Helpful Expertise
Each listed company below has passed our 5-step Preliminary rating process but has not yet completed and our Diamond Certified Rating Process.

Sunset Air

Sunset Air provides residential and commercial clients in Thurston County with a wide variety of solar services. The company works on everything from site evaluations and solar panel repairs to solar performance optimization and solar pool heating, and its technicians are known for their quality workmanship and honesty.

Services

Solar Contractors including solar panel maintenance, solar panel installation, solar systems, solar panel leasing and solar energy solutions.

Coverage Areas

The Seattle–Tacoma Area, including Thurston County—key cities including Bucoda, La Grande, Rochester, Lacey, Rainier, East Olympia, Tenino, Littlerock, Tumwater and Olympia.

company logo
Brian Fluetsch
President
License: 220
location
  • 5210 Lacey Blvd SE
  • Lacey, WA 98503

Master Electric

Master Electric offers solar services to homeowners and business owners in the Seattle-Tacoma area. The company is known for its ability to work on everything from solar lighting and solar system designs to solar pool heating and solar water heater installations, and it has earned a positive reputation by consistently delivering high-quality service on every project.

Services

Solar Contractors including solar panel maintenance, commercial solar installation, solar panel financing, solar systems, solar energy solutions, electrical and design services.

Coverage Areas

The Seattle–Tacoma Area, including Thurston County—key cities including Tenino, Bucoda, East Olympia, Littlerock, Lacey, Rochester, La Grande, Olympia, Rainier and Tumwater.

company logo
David Ouellette
Owner
location
  • 4841 Churchill Rd SE
  • Tenino, WA 98589

CSM Heating Cooling & Roofing

CSM Heating Cooling & Roofing offers a variety of solar services to residential and commercial clients throughout Thurston County. The company has the training and equipment to handle everything from energy storage consultations and solar panel installations to solar panel cleaning and solar pool heating, and its employees focus on delivering first-rate workmanship on every project.

Services

Solar Contractors including solar energy solutions, solar panel leasing, solar panel maintenance, solar system installation, solar systems, roofing, cooling, heating, ductless a/c and electrical.

Coverage Areas

The Seattle–Tacoma Area, including Thurston County—key cities including Tumwater, Chehalis, Thurston County, Mason County, Grays Harbor County, Yelm, Lacey, Olympia, DuPont, McCleary, South Bay and North Olympia.

company logo
Shane Slater
President
location
  • 6135 Capitol Blvd SE
  • Tumwater, WA 98501

These companies have earned our Pre-Qualified Rating. Learn more about our 5-step process.

Rating Step 1 = Stars

Meet or exceed a
ONE AllRatings star score of 4.5.

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Rating Step 2 = License

Verified active and in good standing (when required).

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State license bureau data is accessed and analyzed.

Rating Step 3 = Background

Satisfactory status.

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Internet searches were performed seeking disqualifying information on each company.

Rating Step 4 = Complaints

Satisfactory status.

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Rating Step 5 = Specialist

Satisfactory status.

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Our research specialist verifies all ratings steps have been passed and creates a final report and profile.

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    The Homeowner's Guide to Solar