NYC property ownership and mortgage data: owners, LLCs, deeds

The short answer

Hercules holds ownership and debt for every New York City tax lot and condo unit: the owner of record, the people behind owning LLCs, deeds and sales, mortgages with lender and amount, tax and tax lien sale history. Use it in the app, as a CSV, by API or through the MCP server.
What the dataset holds todayCount
NYC tax lotsabout 858,000
Condo unitsabout 308,000
Recorded deeds, mortgages and other documentsabout 17,100,000
Parties named on those documentsabout 46,700,000
Tax lien sale recordsabout 264,000

Live counts as of 2026-10-14. Figures marked “about” are table sizes rounded to three figures.

What it covers

  • Owner of record, officers and managing agents for each lot.
  • The real owners behind LLCs, with the evidence for each link.
  • Every recorded deed and sale with price and date.
  • Every recorded mortgage with lender, amount and date.
  • Tax, assessed and market value, and tax lien sale history.
  • Owner phones and emails, with do-not-call flags.

How to get it

  • In the Hercules app, with search, saved lists and a CRM.
  • List downloads as CSV on Pro and up.
  • Inside ChatGPT, Claude, Cursor and other assistants through the Hercules MCP server.
  • By API, or as a bulk file or daily feed for your own systems: talk to us.

Ask about the API or a bulk file

Free sample

The property data sample report

See exactly what you get before you talk to anyone: live coverage, every field, and a full sample property record. Free, in your inbox in a minute.

No account. No credit card. One email with your report link.

  • Live coverage of every open NYC foreclosure case
  • Every dataset and field, from owners and mortgages to permits and violations
  • A full sample property record, start to finish
  • Every way to get it: web, exports, API, MCP and bulk files

Questions

Can I get NYC ownership data with the person behind the LLC?
Yes. Hercules links an owning LLC to the people behind it where they can be found, with the evidence for each link.
Does it include mortgages?
Yes: every recorded mortgage on the lot with lender, amount and date, and the estimated open balance.
Do you cover condo units?
Yes. Every NYC condo unit is listed under its building.