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The Multiple Listing Service Of Southern Arizona (MLSSAZ), a wholly-owned subsidiary of the Tucson Association of REALTORS®, is a reliable, cooperative real estate database of listing and sale information in Southern Arizona.


The MLSSAZ Gateway is your single login to many of the real estate related destinations you use every day. Using the power of Single Sign On (SSO), with a single username and password, you can seamlessly log into many of the products you use every day.

In addition, the MLSSAZ Gateway App Store offers the latest in technology and products at the best possible price.


The Supra Keybox System is the official keybox system of MLSSAZ. Supra offers the best in security and convenience. Chose from the ActiveKEY as the standard electronic key or use the eKEY with compatible Apple, Android, and Blackberry devices for the best in convenience to show properties.


The IDX program manages the listing search utilities on internet displays owned and operated by local agents and offices. IDX can be a great addition to your agent, office, or company website. If having IDX on your website interests you, there are two options available to complete your website, an IDX Feed for a custom solution or the turnkey flexmls smartframe IDX solution.

MLS Standards Committee

The MLSSAZ Board of Directors has tasked the MLS Standards Committee with administrative review of all alleged violations of the MLS Rules and Regulations. The MLS Standards Committee is a group of REALTORS with varying areas of expertise and a passion for upholding the ideals of the MLS.

MLS Flexmls Training

Flexmls tripped you up? Need some help with our mobile app? Not to worry, it’s our job to teach you all the tips and tricks of the system. As a Subscriber benefit, we teach beginner to advanced classes to help you achieve full competency and utilization of the MLSSAZ product line.

Listing Syndication

Simply put, Listing Syndication is the process of a broker sending his/her office listings to websites that do not belong to members of MLSSAZ. Zillow, Trulia, Yahoo! Real Estate, and AOL Real Estate are examples of websites that display listings via syndication. MLSSAZ has partnered with ListHub to manage all of your syndication options and has created a Listing Syndication Resource guide to help you effectively manage your listings online.