Manhattan, NY 10038
Property records from NYC Department of Buildings, HPD, DOF & more
123 WILLIAM ST is a property located at 123 WILLIAM ST, Manhattan, NY 10038. It is classified as a office - semi-fireproof (small). The building was constructed in 1912. It has 26 floors and 41 units. The building area is 493,039 square feet on a 21,242 sqft lot. The property is zoned C6-4. The assessed market value is $96.6M. The owner on file is ARC NYC123WILLIAM, LLC. There are 20 building permits on record (11 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.
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Get Free ReportThe building at 123 WILLIAM ST, Manhattan, NY 10038 was constructed in 1912. It is classified as a office - semi-fireproof (small) with 26 floors and 41 units. The building area is 493,039 sqft.
Yes. 123 WILLIAM ST, Manhattan, NY 10038 has 20 building permits on record, with 11 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 7, 2026.
Yes. 123 WILLIAM ST, Manhattan, NY 10038 has 20 violations on record, with 3 currently open. Breakdown: 14 DOB, 6 ECB. Sources: NYC DOB, HPD, and ECB/OATH.
123 WILLIAM ST, Manhattan, NY 10038 has an assessed market value of $96.6M and a total assessed value of $43.5M (land: $8.6M). Assessment data is from the NYC Department of Finance (DOF).
123 WILLIAM ST, Manhattan, NY 10038 is zoned C6-4. 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 123 WILLIAM ST, Manhattan, NY 10038 is ARC NYC123WILLIAM, LLC (P). Ownership data is from NYC Department of Finance assessment rolls.
Search 123 WILLIAM ST on RegWatch to get a complete property report covering violations, permits, title history, tax records, zoning, environmental data, and more from 270+ government sources. Unlimited free property data — no credit card required.