Property research, explained clearly.

Practical guides for finding, understanding, and using public property information.

Architectural line drawing of New York City row houses

Featured guides

How to search NYC property records by address

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

Understanding ACRIS deeds and mortgages

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

Browse by topic

Ownership

Find owner, parcel, and assessment context.

Recorded documents

Understand deeds, mortgages, assignments, and satisfactions.

Permits & violations

Review available building filings and enforcement records.

Zoning & buildability

Identify zoning inputs and questions that need verification.

Due diligence

Build a repeatable, source-aware research workflow.

Sources and methodology

Our guides link to primary government sources so you can inspect the underlying record. We explain where to look, what common fields mean, and what still needs independent verification.

Important limitations

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

Apply the research to a supported property

Use the guides as a source checklist, then open a RealSpiro report to organize available property information in one workspace.

Run a property report