Manhattan, NY 10004
Property records from NYC Department of Buildings, HPD, DOF & more
21-23 SOUTH WILLIAM ST is a property located at 21-23 SOUTH WILLIAM ST, Manhattan, NY 10004. It is classified as a condo - multi-dwelling. The building was constructed in 1928. It has 8 floors and 32 units. The building area is 23,980 square feet on a 4,377 sqft lot. The property is zoned C5-5. The assessed market value is $1.3M. It last sold for $775K on Mar 3, 2016. The owner on file is BLOCK HALL CONDOMINIUM. There are 20 building permits on record (9 active). There are 20 violations on record (3 currently open). Data sourced from NYC Department of Buildings (DOB), Housing Preservation & Development (HPD), Department of Finance (DOF), and other government agencies.
+ 15 more permits — view full report
+ 17 more violations on record — view full report
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Get Free ReportThe building at 21-23 SOUTH WILLIAM ST, Manhattan, NY 10004 was constructed in 1928. It is classified as a condo - multi-dwelling with 8 floors and 32 units. The building area is 23,980 sqft.
Yes. 21-23 SOUTH WILLIAM ST, Manhattan, NY 10004 has 20 building permits on record, with 9 currently active. Permits are sourced from the NYC Department of Buildings (DOB Legacy and DOB NOW systems). The most recent permit is a dob_now_job_other (PERMIT ENTIRE) filed May 14, 2026.
Yes. 21-23 SOUTH WILLIAM ST, Manhattan, NY 10004 has 20 violations on record, with 3 currently open. Breakdown: 11 DOB, 1 ECB, 8 HPD. Sources: NYC DOB, HPD, and ECB/OATH.
21-23 SOUTH WILLIAM ST, Manhattan, NY 10004 has an assessed market value of $1.3M and a total assessed value of $601K (land: $32K). Assessment data is from the NYC Department of Finance (DOF).
21-23 SOUTH WILLIAM ST, Manhattan, NY 10004 last sold for $775K on Mar 3, 2016. Sale records are sourced from NYC ACRIS and Department of Finance rolling sales data.
21-23 SOUTH WILLIAM ST, Manhattan, NY 10004 is zoned C5-5. 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.
The owner on record for 21-23 SOUTH WILLIAM ST, Manhattan, NY 10004 is BLOCK HALL CONDOMINIUM (Individual). Ownership data is from NYC Department of Finance assessment rolls.
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