BBL Club
NYC Real Estate Data, Transparent & Real-Time
Search the latest NYC property transactions, mortgages, and deeds in real-time. Uncover the true owners behind LLCs and access comprehensive tax and building information.
Powerful Tools for NYC Real Estate Research
Access comprehensive property data from multiple official sources, all in one place
Comprehensive Property Snapshots
Get a complete property overview aggregated from multiple official sources. Our intelligent data fusion combines ACRIS, PLUTO, tax records, and building data to provide the most valuable information in a single, easy-to-scan view.
- Building characteristics, zoning, and construction details
- Current ownership, sales history, and mortgage information
- Tax assessments, valuations, and exemptions
- Interactive parcel map with location context
Unmasked Owner Intelligence
Powered by advanced AI research, we extract and reveal the real individuals behind LLCs and corporate entities. Our system aggregates owner contacts from multiple authoritative sources including HPD registrations, tax owner records, and signatories on mortgage and deed documents.
- Extract signatories from mortgage and deed documents
- Aggregate contacts from HPD, DOB, and tax owner databases
- Direct phone numbers and mailing addresses when available
- Track ownership changes and contact history over time
Real-Time ACRIS Transaction Data
Access every ACRIS document with comprehensive, real-time data presented through an extremely user-friendly interface. Track mortgages, deeds, assignments, and liens as they're recorded by NYC with complete party information and document details.
- Complete transaction history with visual timeline
- Filter by document type: deeds, mortgages, UCC filings, and more
- View full party details including addresses and roles
- Direct links to official ACRIS document images
Comprehensive Tax Assessment Data
Access detailed tax information including market value, assessed value, transitional values, and exemptions. Track year-over-year changes to identify trends in property taxation and understand the complete tax burden for any NYC property.
- Market value, assessed value, and transitional assessments
- Tax exemptions and abatements tracking
- Year-over-year change analysis with trend indicators
- Multi-year historical tax assessment data
High-Performance Bulk Search
Experience blazing-fast bulk search that lets you explore the most recent transactions and mortgages across NYC. Updated daily with the latest data, our comprehensive filtering and sorting system delivers instant results even when searching through millions of records.
- Daily updates with the latest ACRIS transactions
- Advanced filtering by amount, date, borough, building class, and owner
- Instant sorting and pagination through massive datasets
- Export and analyze trends across thousands of properties
AI-Powered Research Assistant
Our platform includes AI-optimized pages designed specifically for large language models like ChatGPT and Claude. Simply click "Ask AI" to instantly collaborate with your preferred AI assistant, giving it access to all property data to empower your research with intelligent insights and analysis.
- Structured data optimized for ChatGPT, Claude, and Perplexity
- One-click AI assistant integration from any property page
- Complete property context automatically shared with AI
- Enhanced research capabilities with AI-powered analysis
Intelligent Autocomplete Search
Experience our powerful and extremely fast autocomplete search that understands both BBL (Borough-Block-Lot) and street addresses. Our smart search is aware of alternative addresses (AKAs) and provides instant property previews with transaction and ownership information right in the suggestions dropdown.
- Search by street address or BBL format (e.g., "1-13-1")
- Automatically matches alternative addresses (AKAs) for corner buildings
- Instant preview of ownership and recent transaction data
- Lightning-fast results as you type
Powered by Official NYC Data
All data sourced from official NYC government databases including ACRIS, PLUTO, DOB, and HPD records.