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The property record field guide

Follow the record.

Learn to read owners, deeds and mortgages at the source.

Read a property report, then trace New York City ownership, recorded documents, permits and violations back to the city record.

3 free guides · 5 city sources linked

ACRIS example · 5112 Avenue N, Brooklyn · Read October 1, 2026

Open ACRIS

Select a document to follow the record. Search ACRIS by BBL 3-07896-0044.

Read the ACRIS guide Free guide · 5 steps · Links to the city record

A satisfaction records the release of the mortgage it references. This 2024 satisfaction cites CRFN 2014000041189, the 2014 mortgage.

Read about document types

Illustrated covers · Recorded index values from ACRIS. Verify the document image at the source.

Read a property report

How to read and verify a property report

Check the parcel, separate facts from estimates, and follow a recorded mortgage through a worked example.

Beginner · 8 min · NYC examples · No prerequisites

Start here

Research public records

01

Recorded documents

Understanding ACRIS deeds and mortgages

How to search recorded documents, read common document types, and verify the result.

Beginner · 5 min · NYC

  1. 1Know ACRIS coverage
  2. 2Search by parcel
  3. 3Read document types
  4. 4Review the image
  5. 5Build a record timeline
Read guide: Understanding ACRIS deeds and mortgages
02

Due diligence

How to search NYC property records by address

A practical workflow for ownership, assessment, recorded documents, permits, and violations.

Beginner · 6 min · NYC

  1. 1Start with the address
  2. 2Ownership & assessment
  3. 3Search ACRIS
  4. 4Permits & violations
  5. 5Verify
Read guide: How to search NYC property records by address

City sources

  • ACRISNYC Department of Finance, City Register
  • Property Tax Public AccessNYC Department of Finance
  • DOB NOWNYC Department of Buildings
  • Buildings Information SystemNYC Department of Buildings
  • HPD OnlineNYC Housing Preservation and Development

Check the record, not just the answer.

Public records can be incomplete, delayed, corrected, or associated with the wrong parcel or party. These free guides are informational and are not legal, title, architectural, engineering, or other professional advice.

For supported New York City addresses, RealSpiro reports gather assessment, recorded deeds and mortgages (ACRIS, or the County Clerk on Staten Island), permits and violations. See a property report

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