Top Rated Solar Contractors Serving San Bernardino County, CA
Last Updated May 15, 2026
3839 Review Ratings and 10 Solar Companies Evaluated.
These companies have passed our Preliminary 5-step rating process.
T & G Roofing and Solar Company Inc.
T & G Roofing and Solar Company Inc. offers solar services to residential and commercial clients in San Bernardino County. The company handles everything from solar inverter replacements and solar roof tiles to energy storage consultations and solar performance optimization, and its employees focus on delivering first-rate workmanship on each job.
Services
Solar Contractors including solar system installation, commercial solar installation, solar panel maintenance, solar energy solutions, solar panel leasing, residential roofing, rain gutter installation, attic ventilation with insulation, generator sales & installation and silicone roof coating.
Coverage Areas
The Greater Los Angeles Area, including San Bernardino County—key cities including Upland, Chino, Guasti, Montclair, Rancho Cucamonga, Ontario, Earp, Joshua Tree, Mt Baldy and Chino Hills.
- 153 N 10th Ave
- Upland, CA 91786
Simply Solar
Simply Solar offers various solar services to residential and commercial clients in San Bernardino County. The company is qualified to work on everything from PPA setups and energy storage consultations to solar water heater installations and solar generators, and it prioritizes clear communication and customer satisfaction on every project.
Services
Solar Contractors including solar energy solutions, solar panel financing, solar system installation, solar systems, solar panel installation and solar battery storage.
Coverage Areas
The Greater Los Angeles Area, including San Bernardino County—key cities including Earp, Ontario, Chino, Montclair, Upland, Mt Baldy, Guasti, Rancho Cucamonga, Joshua Tree and Chino Hills.
- 10970 Arrow Route Ste#106
- Rancho Cucamonga, CA 91730
Solargem
Solargem provides a variety of solar services for residential and commercial throughout the Greater Los Angeles area. The company is qualified to work on everything from battery storage installations and solar troubleshooting to solar panel cleaning and PPA setups, and its employees ensure safety and transparent pricing on every job.
Services
Solar Contractors including solar system installation, solar energy solutions, solar panel maintenance, solar panel installation, solar panel financing and solar shingle installation.
Coverage Areas
The Greater Los Angeles Area, including San Bernardino County—key cities including Mt Baldy, Joshua Tree, Rancho Cucamonga, Guasti, Earp, Ontario, Chino, Upland, Chino Hills and Montclair.
- 10808 Foothill Blvd Ste 160-241
- Rancho Cucamonga, CA 91730
Nelson Day Electrical & Engineering
Nelson Day Electrical & Engineering provides solar services for residential and commercial clients in the Greater Los Angeles area. The company has the training and equipment to work on all types of solar projects, each of which is backed by superior craftsmanship and a company-wide dedication to quality.
Services
Solar Contractors including solar repair, solar system installation, commercial solar installation, solar systems, solar panel financing, circuit panel installation, wire installation, outlet repair and electric wire charging station installation.
Coverage Areas
The Greater Los Angeles Area, including San Bernardino County—key cities including Earp, Mt Baldy, Chino Hills, Guasti, Rancho Cucamonga, Ontario, Montclair, Chino, Upland and Joshua Tree.
- 61117 Navajo Tr
- Joshua Tree, CA 92252
Federal Building & Roofing Inc
Federal Building & Roofing Inc offers various solar services to residential and commercial clients in San Bernardino County. The company is qualified to work on everything from PPA setups and solar system inspections to solar pool heating and solar system maintenance, and it prioritizes clear communication and customer satisfaction on every project.
Services
Solar Contractors including solar energy solutions, solar panel installation, commercial solar installation, solar repair, solar system installation, roof cleaning, roof inspection and skylight installation.
Coverage Areas
The Greater Los Angeles Area, including San Bernardino County—key cities including Earp, Upland, Chino Hills, Montclair, Rancho Cucamonga, Mt Baldy, Chino, Guasti, Ontario and Joshua Tree.
- 15870 Curtis Ave
- Fontana, CA 91761
FR Roofing Services
FR Roofing Services offers solar services to residential and commercial clients in San Bernardino County. The company handles everything from battery storage installations and solar lighting to solar water heater installations and solar panel cleaning, and its employees focus on delivering first-rate workmanship on each job.
Services
Solar Contractors including solar panel maintenance, solar systems, solar repair, solar system installation, solar energy solutions, roof repairs, roof replacement and roof inspection.
Coverage Areas
The Greater Los Angeles Area, including San Bernardino County—key cities including Montclair, Guasti, Mt Baldy, Joshua Tree, Upland, Earp, Chino, Chino Hills, Ontario and Rancho Cucamonga.
- 12223 Highland Ave Unit 106-624
- Rancho Cucamonga, CA 91701
Nippon Energy
Nippon Energy offers a wide range of solar services to residential and commercial clients throughout San Bernardino County. The company has the in-house capabilities to work on everything from solar water heater installations and site evaluations to solar system designs and solar panel installations, and it customizes each project to meet the client’s budget requirements.
Services
Solar Contractors including solar panel installation, solar panel maintenance, solar panel leasing, solar system installation, commercial solar installation and solar shingle installation.
Coverage Areas
The Greater Los Angeles Area, including San Bernardino County—key cities including Ontario, Joshua Tree, Chino Hills, Guasti, Mt Baldy, Chino, Rancho Cucamonga, Upland, Montclair and Earp.
- 15447 Anacapa Rd Ste 102
- Victorville, CA 92392
Van Lund Roofing and Solar
Van Lund Roofing and Solar provides various solar services for residential and commercial clients throughout the Greater Los Angeles area. The company is qualified to work on everything from site evaluations and solar pool heating to battery storage installations and solar panel installations, and its technicians ensure each project is backed by superior craftsmanship and customer service.
Services
Solar Contractors including commercial solar installation, solar panel maintenance, solar systems, solar panel financing, solar panel leasing and residential & commercial roofing.
Coverage Areas
The Greater Los Angeles Area, including San Bernardino County—key cities including Chino, Ontario, Mt Baldy, Chino Hills, Montclair, Joshua Tree, Guasti, Upland, Rancho Cucamonga and Earp.
- 9360 7th St Ste A
- Rancho Cucamonga, CA 91730
Semper Solaris
Semper Solaris provides solar services for residential and commercial clients in the Greater Los Angeles area. The company has the training and equipment to work on all types of solar projects, each of which is backed by superior craftsmanship and a company-wide dedication to quality.
Services
Solar Contractors including solar repair, solar panel leasing, solar panel financing, solar systems, solar panel installation, battery storage, hvac and roofing.
Coverage Areas
The Greater Los Angeles Area, including San Bernardino County—key cities including Upland, Ontario, Earp, Mt Baldy, Guasti, Joshua Tree, Rancho Cucamonga, Montclair, Chino and Chino Hills.
- 1720 Howard Pl
- Redlands, CA 92373
Option One Solar
Option One Solar provides residential and commercial clients in San Bernardino County with a wide variety of solar services. The company works on everything from solar performance optimization and solar system designs to energy assessments and solar panel cleaning, and its technicians are known for their quality workmanship and honesty.
Services
Solar Contractors including solar systems, solar panel leasing, solar panel installation, commercial solar installation, solar panel maintenance and battery backup.
Coverage Areas
The Greater Los Angeles Area, including San Bernardino County—key cities including Joshua Tree, Earp, Chino Hills, Upland, Mt Baldy, Rancho Cucamonga, Guasti, Chino, Ontario and Montclair.
- 13581 John Glenn Rd Ste A
- Apple Valley, CA 92308
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.
Indicates the final super-composite calculation of all reviews scores from all sources, optimized for accuracy and recency.
Read ONE AllRatings methodologyRating Step 2 = License
Verified active and in good standing (when required).
State license bureau data is accessed and analyzed.
Verify Solar License HereRating Step 3 = Background
Satisfactory status.
Internet searches were performed seeking disqualifying information on each company.
Rating Step 4 = Complaints
Satisfactory status.
Complaint bureau records have been searched seeking disqualifying information on each company.
Search Better Business BureauRating Step 5 = Specialist
Satisfactory status.
Our research specialist verifies all ratings steps have been passed and creates a final report and profile.
Meet our research specialist team
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