TUCSON, Ariz. - s4story -- Solid Earth (https://solidearth.com/) and the Multiple Listing Service of Southern Arizona (https://mlssaz.com/) (MLSSAZ) today announced the launch of a new secure access experience for MLSSAZ subscribers, including passkey-enabled login and a centralized dashboard designed to simplify access and strengthen day-to-day usability. The partnership will bring core security and efficiency solutions to MLSSAZ.

The launch reflects a shared commitment to improving security, reducing login friction, and creating a more connected experience for Arizona real estate professionals. The new MLSSAZ environment will include secure Single Sign-On (https://solidearth.com/products/core-products/s...), biometric passkeys, a centralized agent dashboard, and real-time analytics to help MLS leadership make more informed technology decisions.

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"This launch with Solid Earth is an important step forward because it builds on something we've focused on since the beginning, which is security. It also gives us a stronger operational foundation as we continue to serve Southern Arizona with technology that is practical, forward-looking, and member-focused," said Romeo Arrieta, CEO of MLSSAZ.

"Security and usability should reinforce one another," said Rebecca Pearson, Vice President of Communications and Marketing at Solid Earth. "This launch with MLSSAZ does exactly that. It gives subscribers a cleaner, more intuitive path to the tools they need while helping the organization strengthen trust, simplify access, and build for the future."

The launch marks a new phase in MLSSAZ's digital evolution and reinforces both organizations' commitment to practical innovation, stronger security, and a more connected experience for their MLS subscribers across Arizona.

About MLSSAZ

The Multiple Listing Service of Southern Arizona (MLSSAZ) is a regional MLS and a wholly-owned subsidiary of the Tucson Association of REALTORS® (TAR). Serving as a cooperative database for Pima County and the Greater Tucson area, MLSSAZ provides over 7,000 real estate professionals with the tools and information necessary to manage property listings and facilitate successful transactions.

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About Solid Earth

Solid Earth is a technology partner building future-ready, interoperable tools that enhance security, visibility, and efficiency across the real estate ecosystem. Trusted by more than 425,000 users, Solid Earth delivers a seamless digital experience—from secure, centralized access management and frictionless Single Sign-On (SSO) to high-performance public portals that connect real estate professionals with home seekers. With a national partner network, Solid Earth supports organizations by bridging the gap between secure enterprise data and consumer-facing discovery. This helps MLSs streamline daily workflows while strengthening identity, security, and market engagement.