Property Details
Assessment & Sales
Building Permits
353 on record · 219 activeCats Certificate To OperateOtherCURRENTFiled Sep 25, 2026Job #495236
General ConstructionDOB NOWPERMIT ENTIREFiled Sep 15, 2026Est. cost $779KJob #B00647023-I1
General ConstructionDOB NOWAPPROVEDFiled Dec 2, 2025Est. cost $779KJob #B00647023-P1
Place of AssemblyDOB LegacyCOMPLETEDFiled Jan 10, 2024Job #321643897-01
Alteration — Type 2DOB LegacySIGNED OFFFiled Jul 24, 2023Est. cost $10KJob #321408231-01
+ 348 more permits — view full report
Violations
76 on record · 5 open+ 9 more docketed judgments — view full report
SafetyElevatorACTIVEIssued Aug 11, 2023#VIO-FTF-VT-CAT1-202112-0000955
SafetyElevatorACTIVEIssued Aug 11, 2023#VIO-FTF-VT-CAT1-201912-0000915
SafetyElevatorACTIVEIssued Aug 11, 2023#VIO-FTF-VT-CAT1-202212-0001105
SafetyElevatorACTIVEIssued Aug 11, 2023#VIO-FTF-VT-CAT1-201812-0000999
SafetyElevatorACTIVEIssued Aug 11, 2023#VIO-FTF-VT-CAT1-202012-0001093
+ 71 more violations on record — view full report
Get the Complete Report for 55 PROSPECT ST
Title history, detailed tax records, environmental data, zoning analysis, and more from 250+ government sources.
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View ReportFrequently Asked Questions
When was 55 PROSPECT ST, Brooklyn built?
The building at 55 PROSPECT ST, Brooklyn, NY 11201 was constructed in 1967. It is classified as a office - loft/mixed use with 10 floors and 48 units. The building area is 256,057 sqft.
Are there building permits at 55 PROSPECT ST, Brooklyn?
Yes. 55 PROSPECT ST, Brooklyn, NY 11201 has 353 building permits on record, with 219 currently active. Permits are sourced from the NYC Department of Buildings (DOB Legacy and DOB NOW systems). The most recent permit is a Cats Certificate To Operate (CURRENT) filed Sep 25, 2026.
Does 55 PROSPECT ST, Brooklyn have violations?
Yes. 55 PROSPECT ST, Brooklyn, NY 11201 has 76 violations on record, with 5 currently open. Breakdown: 9 DOB Safety, 58 DOB, 9 ECB. Sources: NYC DOB, HPD, and ECB/OATH.
Does 55 PROSPECT ST, Brooklyn have docketed judgments?
Yes. 55 PROSPECT ST, Brooklyn, NY 11201 has 14 docketed judgments on record with the NYC Office of Administrative Trials & Hearings (OATH), with an open balance of $1,137. A docketed judgment is an enforceable money judgment entered by OATH after a hearing on a summons issued at this property; where the respondent is the property owner it can attach to the property as a lien.
What is the property tax assessment for 55 PROSPECT ST?
55 PROSPECT ST, Brooklyn, NY 11201 has an assessed market value of $55.3M and a total assessed value of $24.9M (land: $545K). Assessment data is from the NYC Department of Finance (DOF).
When was 55 PROSPECT ST last sold?
55 PROSPECT ST, Brooklyn, NY 11201 last sold for $138.1M on Mar 31, 2017. Sale records are sourced from NYC ACRIS and Department of Finance rolling sales data.
What is the zoning for 55 PROSPECT ST?
55 PROSPECT ST, Brooklyn, NY 11201 is zoned M1-6. Zoning data is from the NYC Department of City Planning (DCP). For detailed FAR, overlays, and development rights, view the full property report on RegWatch.
Who owns 55 PROSPECT ST?
55 PROSPECT ST, Brooklyn, NY 11201 is company-owned according to public records. Ownership data is from NYC Department of Finance assessment rolls. View the current owner of record and registered contacts in the full property report on RegWatch.
How do I get a full property report for 55 PROSPECT ST?
Search 55 PROSPECT ST on RegWatch to see its public record free — violations, permits, tax records, zoning, environmental data, and more from 250+ government sources, no credit card required. A Full Analysis report ($15, one-time) adds the complete title history, owner contacts, and a downloadable PDF.
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