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Your One-Stop Source for Business and Home Security Services


The Preferred Fox Valley Security Company Since 1953

Based just a few miles from Appleton, Wisconsin, Lappen Security Products is the premier provider of integrated alarm and security systems with a focus on total customer satisfaction. From access control and burglar alarm systems to locksmithing and HD video surveillance cameras, we're Northeast Wisconsin's go-to source for the latest in security technology. Experience "The Lappen Difference" and contact us today!

Whatever your security product or service needs, feel free to call, visit our fully-stocked Fox Valley showroom or drop us an email. Need to have new keys cut or change a lock at your business? We do that, too!

PLEASE NOTE: We do not provide any automotive-related key or locksmith services.

Contact Us

Please note: our e-mail response time is 48 hours. If you need a faster response, please call our office.


  • Physical Address
  • 2300 W. Main St.
  • Little Chute, WI 54911

  • Mailing Address
  • PO Box 136
  • Little Chute, WI 54140
  • Business/Store Hours:
  • Monday - Friday
  • 8:00 a.m. to 4:30 p.m.
  • Phone: 920-734-3027
  • Fax: 920-734-3049

Backing up the data for your access control system can save you hours of work and reduce system downtime.

Trusted Products

Step inside our Little Chute showroom and you┬╣ll see that only the finest security products make the cut. From simple security lock to advanced HD surveillance camera, each item is ttested before it reaches our displays. Our team makes sure pieces meet manufacturer specs, work properly and get the highest marks for quality and customization and security technology.

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