Better investments
start with better data
Rents, permits, taxes, ownership and more.
Instantly across New York and Chicago
Free. Instant. No account needed.
Investors make better decisions when they see the whole picture. Lotlyze delivers comps, deeds, permits, taxes and much more in one curated report, sourced from official public records. Always free, no sign-up.
Search by address, NYC BBL or BIN, or Chicago PIN to get started.
Building something?
Pro subscribers get structured API access to the same records.
Data sources
- ACRIS— NYC Dept. of Finance deed & mortgage records
- DOB BIS— NYC Dept. of Buildings permits, violations & complaints
- HPD— NYC Housing Preservation & Development violations & complaints
- ECB / OATH— Environmental Control Board penalties & hearing outcomes
- DOF— NYC Dept. of Finance tax assessments & market values
- NYC Planning Geosearch— address geocoding & BBL/BIN resolution
- Chicago Building Permits— City of Chicago Dept. of Buildings permit records
- Chicago Building Violations— City of Chicago Dept. of Buildings violation records
- Cook County Assessor— parcel addresses, PINs, residential characteristics, ownership, assessments, sales & comparable-sale records
- Chicago Zoning— zoning districts & boundaries
- HUD Small Area Fair Market Rents— Chicago-area ZIP-code rent benchmarks, not actual property rents
- U.S. Census American Community Survey— neighborhood rent estimates
Reports combine official public records fromNYC Open Data, Chicago Data Portal, and Cook County Open Data, HUD, and the U.S. Census Bureau with Lotlyze calculations and estimates. Available records vary by city and property. Data is provided as-is and may be incomplete or outdated. Lotlyze is not affiliated with any government agency.
Plans & pricing
- Everything in Free
- Unlimited API access
- The proprietary Lotlyze Score: combine investment signals
- Trend Maps: see how each neighborhood is changing
- Save properties