Property Details
Assessment & Sales
Building Permits
54 on record · 37 activeMechanical SystemsDOB NOWPERMIT ISSUEDFiled Sep 29, 2026Est. cost $20KJob #M01390909-S1
General ConstructionDOB NOWPERMIT ENTIREFiled Sep 29, 2026Est. cost $20KJob #M01390909-S1
ElectricalDOB NOWAPPROVEDFiled Sep 16, 2026Job #M01389883-P1
ElectricalDOB NOWAPPROVEDFiled Sep 16, 2026Job #M01449456-P1
General ConstructionDOB NOWPERMIT ISSUEDFiled Sep 4, 2026Est. cost $150KJob #M01390909-I1
+ 49 more permits — view full report
Violations
81 on record · 25 open+ 2 more docketed judgments — view full report
SafetyElevatorACTIVEIssued Oct 11, 2024#VIO-FTC-VT-PER-202312-0012196
SafetyElevatorACTIVEIssued Oct 11, 2024#VIO-FTC-VT-PER-202312-0009823
SafetyElevatorACTIVEIssued Oct 11, 2024#VIO-FTC-VT-PER-202312-0009824
SafetyElevatorACTIVEIssued Aug 25, 2023#VIO-FTF-VT-PER-202212-0005528
SafetyElevatorACTIVEIssued Aug 25, 2023#VIO-FTF-VT-PER-202212-0005527
+ 76 more violations on record — view full report
Get the Complete Report for 521 WEST 20 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 521 WEST 20 ST, Manhattan built?
The building at 521 WEST 20 ST, Manhattan, NY 10011 was constructed in 1913. It is classified as a warehouse - fireproof with 9 floors and 1 unit. The building area is 94,622 sqft.
Are there building permits at 521 WEST 20 ST, Manhattan?
Yes. 521 WEST 20 ST, Manhattan, NY 10011 has 54 building permits on record, with 37 currently active. Permits are sourced from the NYC Department of Buildings (DOB Legacy and DOB NOW systems). The most recent permit is a Mechanical Systems (PERMIT ISSUED) filed Sep 29, 2026.
Does 521 WEST 20 ST, Manhattan have violations?
Yes. 521 WEST 20 ST, Manhattan, NY 10011 has 81 violations on record, with 25 currently open. Breakdown: 9 DOB Safety, 63 DOB, 9 ECB. Sources: NYC DOB, HPD, and ECB/OATH.
Does 521 WEST 20 ST, Manhattan have docketed judgments?
Yes. 521 WEST 20 ST, Manhattan, NY 10011 has 7 docketed judgments on record with the NYC Office of Administrative Trials & Hearings (OATH). 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 521 WEST 20 ST?
521 WEST 20 ST, Manhattan, NY 10011 has an assessed market value of $10.8M and a total assessed value of $4.9M (land: $1.1M). Assessment data is from the NYC Department of Finance (DOF).
When was 521 WEST 20 ST last sold?
521 WEST 20 ST, Manhattan, NY 10011 last sold for $21.3M on Apr 29, 2022. Sale records are sourced from NYC ACRIS and Department of Finance rolling sales data.
What is the zoning for 521 WEST 20 ST?
521 WEST 20 ST, Manhattan, NY 10011 is zoned M1-5. 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 521 WEST 20 ST?
521 WEST 20 ST, Manhattan, NY 10011 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 521 WEST 20 ST?
Search 521 WEST 20 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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