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TLDR: Trailer vs Guard at a Glance A 24/7 security guard post in Northern California typically costs $18,000 to $32,000 per month, while a mobile surveillance trailer with monitoring runs about $1,800 to $4,500 per month. That gap is the starting point for most security budget decisions, but it is not the whole story. Guards

Catalytic converter theft has become one of the most persistent security challenges for Bay Area parking lot operators, property managers, and retail centers. California consistently ranks among the highest states for catalytic converter theft nationally, and the Bay Area’s dense mix of commercial properties, transit hubs, and surface parking lots makes it a concentrated target.

If you’re managing a construction site, logistics yard, retail property, or utility facility in Northern California and need mobile security coverage, surveillance trailer rental is likely on your shortlist. But pricing is rarely published clearly — this guide breaks down what NorCal operators actually pay and what drives the cost. Surveillance Trailer Rental Pricing in