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Martin Herzfeld

Serving San Francisco, San Mateo, Alameda, and Contra Costa and other Counties in California
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Martin Herzfeld is a certified installer, licensed solar contractor, certified technical classroom trainer, project consultant and registered retailer in California. Solar training instructor and contract training provider (CTP) not only in the classroom, but also online training including webinars. Martin Herzfeld, an accredited business - Better Business Bureau (BBB) since 2008.

1. California Contractors State License # 833782

C46 - Solar Contractor C10 Electrical, D56 - Trenching Only Contractor, D31 - Pole Installation and Maintenance Contractor, C-7 - Low Voltage Systems Contractor

Experience planning, design, estimating, installation, modifying, maintaining, and repairing of photovoltaic solar energy systems. Including trenching only for foundations, pipelines, conduit, and precast poles to support the wiring or cable in the installation of ground-mounted PV systems. Installs, services and maintains all types of communication, instrumentation and low voltage systems
Year Established
Phone Number

Services Offered

  • Installation
  • Construction
  • Electrical Contracting
  • Solar Repair & Maintenance

Associated product manufacturers

Associated installers

Workmanship Warranty

10 years.


California Solar Contractor License #833782 C46, C10 C-7, D31, D56




UL Certified PV Installer #17
OSHA-Authorized Construction Trainer

Industry Certifications

  • Better Business Bureau



States Served