✓ Verified — Licensed low-voltage & security · License #415555

Rjohn Development Co

Name: Rjohn Development Co
Address: Petaluma, CA, 94952, US
Telephone: (650) 619 4986

Low-voltage & security · Petaluma, CA

📍 353 Petersen Lane, Petaluma, CA

Rjohn Development Co is a state-licensed low-voltage & security serving Petaluma, CA and nearby communities. Their license is verified active on the CA contractor registry (License #415555). They handle security, alarm, and low-voltage wiring. Describe your project on ZeroFi and get matched with Rjohn Development Co and other vetted local pros - free, with no obligation.

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Licensing status sourced from the public state contractor-license registry. ZeroFi surfaces verified local pros and connects homeowners with them free.