We have been providing installation, lockout, and re-keying services to the Portage, Wisconsin Dells, and greater Madison area for over 20 years. Our mobile unit ensures we have the means to provide the best solution for your unique needs. In addition to our prompt service you will also enjoy our free estimates and affordable rates.


  • Car opening specialist
  • Emergency service


  • Residential locks re-keyed and installed
  • Deadbolts installed
  • Safe combinations changed


  • Custom designed master systems installed
  • High security key systems
  • Commercial locks re-keyed and installed


With over 20 years of experience you can be sure you're getting the best service.

"Advantage Lock & Key has been our lock smith for many years. He does excellent work at a reasonable rate."


Columbia County Buildings & Grounds


"Advantage Lock & Key has been our go-to Locksmith since the day we met Zan! We have utilized his services for commercial real estate, residential & even our small business! He's reliable, reasonably priced, quick to respond and professional with a strong work-ethic. In a world where there are so many choices, I appreciate that for any Lock & Key work I need done, all I have to do is call! "


Hudlewski Investments & Ski's Saloon

Sun Prairie,

"Advantage Lock and Key has been my go to Locksmith for over a decade now! Zan has always been quick to respond to all my lock and key type needs. He has continuously provided quality workmanship in a timely manner."


Piggly Wiggly



Based out of Portage, WI we are fully mobile and service all of Central Wisconsin including Columbia , Sauk , Dane , Marquette , Dodge , Jefferson , and Adams Counties.

Phone: 608-225-3848