Free tools
Real estate math, done fast.
Calculators built for buyers, investors, landlords, and pros. No login required — share results with a link.
Calculators
Is Your Rent Fair?
Check your rent against real neighborhood asking-rent data for NY, NJ & CT. Your rent never leaves your browser.
Open tool →ComplianceLL97 Penalty Calculator
Estimate your building's NYC Local Law 97 carbon penalty for the 2024–2029 period — and see how much the cap tightens in 2030.
Open tool →InvestorsROI & Cap Rate Calculator
Model cash flow, cap rate, and cash-on-cash return for any property. Share scenarios with a link.
Open tool →OwnersRefinance Break-Even Calculator
See monthly savings, break-even month, and total lifetime savings from refinancing your mortgage.
Open tool →Free lookup tools
Instant property lookups powered by the same public records behind our reports. No signup required.
Property Search
Building details, owner info, and tax data for any NYC, NJ, or CT address.
Open tool →ViolationsViolation Lookup
Open and total DOB, HPD, and ECB violations for any NYC property.
Open tool →PermitsPermit Search
Building permits, active applications, and recent filings for any NYC address.
Open tool →TaxesProperty Tax Calculator
Assessed value, tax class, and estimated annual tax for any NYC property.
Open tool →OwnershipTitle Search
Current owner of any NYC property, from ACRIS and DOF records.
Open tool →LiensLien Check
Property-tax balance status, recorded liens, and ECB judgments for any NYC property.
Open tool →ZoningZoning Lookup
Zoning district, commercial overlays, special districts, and FAR for any NYC lot.
Open tool →Go beyond the math
Save any building to a free portfolio for in-app compliance alerts, or ask AI a question about any property in plain English.