123 WILLIAM ST, Manhattan, NY 10038 — Property Records, Permits, Violations, Tax & Zoning | RegWatch

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Year Built1912

Floors26

Units41

Building Area493,039 sqft

ZoningC6-4

ClassO4

Market Value$99.3M

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 $99.3M. It last sold for $253M on Mar 27, 2015. Public records list the property as company-owned. There are 716 building permits on record (521 active). There are 290 violations on record (6 currently open). 33 docketed judgments carrying $8,830 in open balances are on record with OATH. Data sourced from NYC Department of Buildings (DOB), Housing Preservation & Development (HPD), Department of Finance (DOF), and other government agencies.

A RegWatch Dossier

1,519records on file

83Energy Star

Completed in 1912, 123 William St rises 26 stories over New York. Public records put it at 41 units and 493,039 square feet of floor area, on land zoned C6-4. It is carried on the public rolls at a market value of $99.3M, and assessed for tax at $44.7M. In the 59 years its record reaches back, the lot has drawn 1,519 separate government filings — a paper trail nearly as tall as the building itself.

The documentary life of the address leans hard toward permit: 716 of its 1,519 records, fully 47%, fall under that one heading. Violation (290) and inspection (185) trail well behind. 6 violations stand open against it today.

The pace is anything but even. The early decades pass in near silence; the filings cluster heavily in recent years, peaking in 2014.

On the environmental ledger, the building posts an Energy Star score of 83, with a site energy-use intensity of 55.9 kBtu per square foot. Its operations answer for roughly 2,672 metric tons of CO2-equivalent a year.

Read together — 47% permit, 59 years of accumulation, a parcel of New York — these scattered records compose a portrait of the address that no single page sets out to draw.

$99.3M of New York, written across 1,519 government filings.

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Sources

NYC DOB NYC HPD NYC DOF ACRIS NYC DCP ECB/OATH NYC DEP NYC LPC NYC FDNY NYS DHCR MOCEJ FEMA EPA US Census HUD USGS

updated Aug 1, 2026

Property Details

Address123 WILLIAM ST, Manhattan, NY 10038

Building TypeOffice - Semi-Fireproof (small)

Building ClassO4

Year Built1912

Floors26

Total Units41

Building Area493,039 sqft

Lot Size21,242 sqft

ZoningC6-4

BBL1000780004

BIN1079063

OwnershipCompany-owned

Assessment & Sales

Market Value$99.3M

Assessed Total$44.7M

Assessed Land$8.6M

Last Sale Price$253M

Last Sale DateMar 27, 2015

Building Permits

716 on record · 521 active

ElectricalDOB NOW

APPROVED

Filed Jun 10, 2026Job #M01320603-P1

GENERAL WIRING ON 14TH FLOOR

View this permit's full record & inspection history →

General ConstructionDOB NOW

PERMIT ENTIRE

Filed May 7, 2026Est. cost $38KJob #M01252062-I1

View this permit's full record & inspection history →

General ConstructionDOB NOW

APPROVED

Filed May 7, 2026Est. cost $38KJob #M01252062-P1

View this permit's full record & inspection history →

General ConstructionDOB NOW

LOC ISSUED

Filed Apr 21, 2026Est. cost $42KJob #M01314143-I1

View this permit's full record & inspection history →

General ConstructionDOB NOW

LOC ISSUED

Filed Apr 20, 2026Est. cost $6KJob #M01314176-I1

View this permit's full record & inspection history →

+ 711 more permits — view full report

Violations

290 on record · 6 open

Open judgment balance — docketed OATH judgments$8,830

Judgments · 33 docketed

FDNY summons (OATH)JUDGMENT DOCKETED

Docketed Jun 30, 2026Balance $1,075Ticket #014229112X

CERTIFICATES OF FITNESS AND CERTIFICATES OF QUALIFICATION

FDNY summons (OATH)JUDGMENT DOCKETED

Docketed May 31, 2026Balance $935Ticket #012175009Y

FIRE PROTECTION SYSTEMS:FAIL TO PREVENT UNNECESSARY UNWARRANTED ALARMS

FDNY summons (OATH)JUDGMENT DOCKETED

Docketed Mar 31, 2026Balance $2,375Ticket #014211837H

FIRE PROTECTION SYSTEMS

FDNY summons (OATH)JUDGMENT DOCKETED

Docketed Nov 30, 2025Balance $935Ticket #012166738J

FIRE PROTECTION SYSTEMS:FAIL TO PREVENT UNNECESSARY UNWARRANTED ALARMS

FDNY summons (OATH)JUDGMENT DOCKETED

Docketed Jun 30, 2024Balance $1,000Ticket #014103051H

RECORDKEEPING

+ 28 more docketed judgments — view full report

ECBConstruction

ACTIVE

Issued Mar 3, 2021#35549097L

103-04 OWNER FAILED TO REPAIR CONDITIONS W/I TIMEFRAME RECO'D BY QEWI.I OBSERVED DEBONDED MORTAR@INTERIOR PARAPET,DEGRADED COPING STONES,CRACKED BRICK&CRACKED MORTAR JOINTS LOOSE FASTENERS@BULKHEAD LADDER,DEBON

View this violation's full details & status history →

ECBConstruction

ACTIVE

Issued Mar 3, 2021#35549098N

FAILURE TO MAINTAIN EXTERIOR WALLS,FACADE OR APPURTENANCES ROOF,OBSERVED WEATHERED/DAMAGED/DISLODGED COPING STONES@BULKHEAD,LOOSE LADDER FIXTURE,DEBONDED MORTAR.BULKHEAD&SETBACKS MULTIPLE FLS EXP3&1,OBSERVED CR

View this violation's full details & status history →

+ 288 more violations on record — view full report

Get the Complete Report for 123 WILLIAM ST

Title history, detailed tax records, environmental data, zoning analysis, and more from 250+ government sources.

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Frequently Asked Questions

When was 123 WILLIAM ST, Manhattan built?

The 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.

Are there building permits at 123 WILLIAM ST, Manhattan?

Yes. 123 WILLIAM ST, Manhattan, NY 10038 has 716 building permits on record, with 521 currently active. Permits are sourced from the NYC Department of Buildings (DOB Legacy and DOB NOW systems). The most recent permit is a Electrical (APPROVED) filed Jun 10, 2026.

Does 123 WILLIAM ST, Manhattan have violations?

Yes. 123 WILLIAM ST, Manhattan, NY 10038 has 290 violations on record, with 6 currently open. Breakdown: 246 DOB, 44 ECB. Sources: NYC DOB, HPD, and ECB/OATH.

Does 123 WILLIAM ST, Manhattan have docketed judgments?

Yes. 123 WILLIAM ST, Manhattan, NY 10038 has 33 docketed judgments on record with the NYC Office of Administrative Trials & Hearings (OATH), with an open balance of $8,830. 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 123 WILLIAM ST?

123 WILLIAM ST, Manhattan, NY 10038 has an assessed market value of $99.3M and a total assessed value of $44.7M (land: $8.6M). Assessment data is from the NYC Department of Finance (DOF).

When was 123 WILLIAM ST last sold?

123 WILLIAM ST, Manhattan, NY 10038 last sold for $253M on Mar 27, 2015. Sale records are sourced from NYC ACRIS and Department of Finance rolling sales data.

What is the zoning for 123 WILLIAM ST?

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.

Who owns 123 WILLIAM ST?

123 WILLIAM ST, Manhattan, NY 10038 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 123 WILLIAM ST?

Search 123 WILLIAM 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 adds the complete title history, owner contacts, and a downloadable PDF.

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123 WILLIAM ST, Manhattan, NY 10038 — Property Records, Permits, Violations, Tax & Zoning | RegWatch