CoStar Group introduced Homes AI on February 17, 2026, a voice‑enabled conversational assistant that replaces traditional keyword filters on its Homes.com portal. Built on Microsoft Azure OpenAI, the tool lets users search, refine, and explore listings through natural‑language dialogue, leveraging the company’s extensive property data, Matterport 3D digital twins, school information, and neighborhood insights.
Homes AI builds on the Smart Search feature launched in October 2025, extending the conversational experience to real‑time voice interaction. The assistant draws on CoStar’s proprietary data ecosystem, ensuring that every query is answered with up‑to‑date listings and contextual market intelligence while keeping user data within the company’s secure environment.
"This innovation signals a shift as significant as the emergence of online search itself," said CoStar CEO Andy Florance. "Home shopping is no longer constrained by rigid filters and disjointed online experiences. Instead, it has become dynamic, consultative, and deeply personalized – mirroring the way people naturally research and evaluate a home. We’ve spent years building the industry’s richest property data and Homes AI harnesses that foundation to transform the consumer experience in a way that feels intuitive, human and incredibly powerful." Florance added that the assistant is designed to enhance, not replace, the essential role of real estate professionals, keeping agents at the center of every transaction.
The launch positions Homes.com as a more engaging, agent‑aligned platform and aligns with the broader real‑estate trend toward AI‑driven search. By offering a conversational interface, CoStar aims to differentiate its marketplace, increase user engagement, and generate higher lead quality for agents. The move also signals a strategic pivot toward data‑centric growth, as the company leverages its deep property database to power new monetization opportunities.
Homes.com has already become the second‑largest residential real‑estate marketplace in the U.S., and the introduction of Homes AI is expected to accelerate that trajectory. The feature’s integration of advanced AI, robust data, and agent alignment positions CoStar to capture a larger share of the online home‑search market while maintaining its core revenue streams from agent services and advertising.
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