Seattle-based real estate brokerage Redfin has launched a conversational artificial intelligence chatbot designed to fundamentally transform how homebuyers search for properties, moving away from decades-old filter-based systems toward natural language interactions that more closely mirror conversations with human agents.
The tool, developed in partnership with Sierra, an AI customer experience platform recently valued at $10 billion, enables users to describe housing preferences in everyday language and refine results through iterative dialogue. This approach represents a significant departure from traditional real estate search interfaces that require users to translate preferences into discrete categories and numerical ranges.
“We relied on search filters to define queries for years, but people share more about their preferences when it’s a conversation,” stated Ariel Dos Santos, Redfin senior vice president of product and design, articulating the fundamental premise underlying the conversational interface.
The distinction between Redfin’s implementation and competing natural language search tools lies in the system’s conversational persistence and adaptive capabilities. Whilst some real estate platforms have introduced single-query natural language searches that translate user statements into traditional filter parameters, Redfin’s chatbot engages in back-and-forth dialogue, asking clarifying questions, responding to feedback about suggested properties, and progressively refining recommendations based on accumulated context.
This conversational approach attempts to replicate the consultative process between buyers and experienced real estate agents who gradually develop understanding of client preferences through dialogue, observation of reactions to properties, and interpretation of sometimes contradictory or evolving priorities. The advantage the AI system offers over human agents, according to Redfin, is the ability to simultaneously consider every listing on the platform nationwide whilst maintaining conversational engagement.
The practical application allows home shoppers to express preferences in natural language that may include subjective qualities, contextual priorities, and nuanced desires difficult to capture in traditional search filters. A user might state “quiet neighbourhood good for families with walkable access to parks and coffee shops,” language that conveys information about lifestyle priorities, noise tolerance, proximity preferences, and amenity expectations that standard filter systems struggle to accommodate.
The system supports iterative refinement through reactions to suggested listings. Users can respond with statements like “more like this, but with an extra bedroom” or “similar style but in a different school district,” providing feedback that helps the chatbot understand which property characteristics matter most whilst discovering preferences the user may not have explicitly articulated initially.
The multilingual support reflects recognition that homebuying crosses language boundaries, particularly in diverse metropolitan areas where significant portions of potential buyers may prefer conducting searches in languages other than English. This accessibility feature potentially expands Redfin’s addressable market whilst reducing barriers for non-native English speakers navigating the already complex homebuying process.
The system’s machine learning capabilities, which Redfin describes as “learning from real user conversations,” suggest the chatbot improves over time by analysing patterns in successful searches, identifying which property characteristics correlate with user engagement, and recognising common preference combinations that predict satisfaction with recommendations.
Early testing metrics provide evidence that the conversational interface affects user behaviour in ways that benefit both customers and Redfin’s business objectives. Users of the conversational search technology viewed nearly twice as many homes as those using traditional filtered searches, suggesting the interface successfully surfaces relevant options users find worth considering. The doubling of properties viewed indicates either that the system recommends more suitable options or that the conversational format reduces psychological barriers to exploring possibilities.
The 47% increase in propensity to request tours or other Redfin services represents particularly significant business impact, as property viewings constitute critical conversion points in the homebuying funnel. The substantial lift suggests conversational search not only engages users longer but also produces recommendations that align sufficiently with preferences to warrant in-person visits, the essential step before purchase decisions.
Redfin, acquired by Rocket Companies in July, operates in an increasingly competitive real estate technology landscape where AI capabilities are rapidly becoming essential differentiators rather than optional enhancements. The timing of Redfin’s conversational search launch, occurring just weeks after Seattle rival Zillow unveiled the first real estate application within ChatGPT, illustrates the competitive pressure driving AI adoption across the industry.



