DoorStopper is the AI-powered rental listing platform that generates optimized listings and auto-fills them across every major rental platform with a Chrome extension. Built for the 11M individual landlords who have zero tools designed for them.
Log in with the demo account to explore the full product. Pre-loaded with 3 sample listings, 5 inquiries, and 14 days of analytics data.
11 million individual landlords in the US manage 1-4 rental units. They're not property managers with enterprise software. They're homeowners renting a spare room, an ADU, or a duplex. The process of listing a rental is painful:
Every feature below is live and functional. Log in with the demo account to explore each one.
Landlords answer simple questions about their property. No copywriting skill needed. The wizard captures property type, amenities, house rules, tenant preferences, photos, and contact info across 7 steps.
Multi-provider AI router (Grok, Claude, GPT-4, Gemini) generates platform-optimized headlines, descriptions, FAQ responses, amenity summaries, and ideal tenant profiles. Tiered model selection for cost efficiency.
Each listing is auto-formatted for every platform's constraints (title length, description format, field mapping). Chrome extension auto-fills forms on Zillow, Craigslist, Facebook Marketplace, Airbnb, Vrbo, HotPads, Zumper, PadMapper, Roomies, Apartments.com, Roomster, SpareRoom, and Reddit.
Full digital rental application system with 30+ fields, e-signature capture, PDF generation, and audit logging. Landlords send application links; tenants apply from any device. All data stored securely with row-level security.
Centralized view of views, inquiries, and clicks across all platforms. Track which platforms drive the most qualified leads. Data-driven listing optimization.
All inquiries from every platform in one inbox. Status tracking (new, read, replied, archived). Never miss a potential tenant again.
The rental listing market is massive and completely underserved for individual landlords.
Production-grade stack built for speed and cost efficiency.
Stanford MBA + M.S. Robotics & AI
100% founder-led sales. Built production AI systems used at scale.
The demo account is pre-loaded with listings, inquiries, and analytics data.