• Office Numbers

    (908) 448-0452

  • Business Hours

    Mon – Fri: 8 AM – 6 PM
    Sat: 8 AM – 2 PM
    Sun: Closed

  • Headquarters

    Spotswood, NJ

  • Email


We've Got You Covered

Spotswood, NJ

East Brunswick, NJ

Bridgewater Township, NJ

Princeton, NJ

Edison, NJ

Monroe, NJ

Piscataway, NJ

Marlboro, NJ

Colts Neck, NJ

Get in Touch With Us

Thank you for choosing On-Site Security LLC. We offer various electronics installation services for residential homes and commercial buildings. Get a personalized solution for security, access control, entertainment, smart devices, etc. Call today for a free cost estimate or fill out the contact form.