Real estate AI in 2026 is the practice of building production AI for residential lead nurture, listing copy generation, tenant copilots, lease summarization, and commercial underwriting copilots, under MLS data-use covenants and Fair Housing Act controls where every consumer-facing communication is logged, discrimination-audited, and protected-class-language-flagged at 95 percent or higher recall on a fair-housing test set. Unlike consumer real-estate apps (Zillow, Redfin) which target end-buyers, production real-estate AI runs inside brokerage and property-management infrastructure: Yardi, AppFolio, Buildium, MRI Software, and MLS data feeds. Unlike rules-based CRM nurture sequences which fire on fixed time triggers, real-estate AI uses LLMs to interpret inbound lead inquiries, generate compliant listing copy, and draft tour-scheduling responses for human approval. Common integrations include Yardi, AppFolio, MRI Software, Zillow Tech Connect, Follow Up Boss, and MLS feeds via RESO Web API. Compliance maps to the Fair Housing Act, ECOA Reg B for credit-based decisions, state-specific real-estate advertising rules, and MLS data-use agreements.