Valley Alarm | Mobile Security Trailers in Los Angeles

Valley Alarm's mobile security trailers help protect properties across Los Angeles. We focus on preventing theft and vandalism with our mobile surveillance solutions. Our trailers are great for monitoring construction sites and commercial properties and preventing unauthorized access. We serve areas including Diamond Bar, Whittier, Montebello, Monterey Park, Downey, Bellflower, Alhambra, Pasadena, Glendale, San Gabriel, West Hollywood, Hermosa Beach, Compton, City of Industry, Azusa, West Covina, Commerce, Inglewood, and all central Los Angeles regions.