Top 7 Best Security Companies in Marin County, California (Updated 2026)
This list shows the best security companies near you in Marin County, California, with the address, phone number and website for each.
By town
Safari Security Services
1500 Grant Ave Ste 202, Novato, CA 94945, Novato
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Transbay Lock
2018 4th St, San Rafael, CA 94901, San Rafael
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R & R Consultants
7049 Redwood Blvd Unit 203, Novato, CA 94945, Novato
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KeyMe Locksmiths
2601 Larkspur Landing Cir, Larkspur, CA 94939, Larkspur
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WebPerception LLC.
1701 Novato Blvd Ste 202, Novato, CA 94947, Novato
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OSOS Security Services
55 Milland Dr, Mill Valley, CA 94941, Mill Valley
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Exocet Security
7049 Redwood Blvd, Novato, CA 94945, Novato
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How this list is put together
Listings come from public business profiles and from businesses that add themselves. We leave out profiles that show signs of being lead-generation fronts and not local firms, and businesses that have closed. Listings marked "Claimed" are run by the business itself, which checked its own details, and they appear first. If your business is missing, add it here.