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Manhattan • Office

645 Madison Ave

Manhattan, NY 10022Company-ownedBBL 1013740049BIN 1040762
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16 sources

Year Built1971
Floors22
Units34
Building Area164,615 sqft
ZoningC5-3
ClassO4
Market Value$110.5M

645 MADISON AVE is a property located at 645 MADISON AVE, Manhattan, NY 10022. It is classified as a office - semi-fireproof (small). The building was constructed in 1971. It has 22 floors and 34 units. The building area is 164,615 square feet on a 9,038 sqft lot. The property is zoned C5-3. The assessed market value is $110.5M. It last sold for $196.6M on Apr 29, 2022. Public records list the property as company-owned. There are 959 building permits on record (660 active). There are 128 violations on record (4 currently open). 26 docketed judgments carrying $102,675 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

1,450records on file
66Energy Star

Completed in 1971, 645 Madison Ave rises 22 stories over New York. Public records put it at 34 units and 164,615 square feet of floor area, on land zoned C5-3. It is carried on the public rolls at a market value of $110M, and assessed for tax at $49.7M. In the 58 years its record reaches back, the lot has drawn 1,450 separate government filings — a paper trail nearly as tall as the building itself.

The documentary life of the address leans hard toward permit: 959 of its 1,450 records, fully 66%, fall under that one heading. Violation (128) and enforcement (119) trail well behind. 4 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 2024.

On the environmental ledger, the building posts an Energy Star score of 66, with a site energy-use intensity of 65.4 kBtu per square foot. Its operations answer for roughly 1,092 metric tons of CO2-equivalent a year.

Read together — 66% permit, 58 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.

66% of every record here performs the same act: permit.

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Executive summary, compliance history, title chain & existing debt, recorded documents & agreements, owner contacts, tax detail, Use & Development, build envelope, market comps, investment metrics, deal math & stress tests, deal signals, pre-foreclosure signals, neighborhood. Downloadable PDF. One payment, no subscription.

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Sources
NYC DOBNYC HPDNYC DOFACRISNYC DCPECB/OATHNYC DEPNYC LPCNYC FDNYNYS DHCRMOCEJFEMAEPAUS CensusHUDUSGS
latest record

Property Details

Address645 MADISON AVE, Manhattan, NY 10022
Building TypeOffice - Semi-Fireproof (small)
O4
Year Built1971
Floors22
Total Units34
Building Area164,615 sqft
Lot Size9,038 sqft
ZoningC5-3
1013740049
1040762
OwnershipCompany-owned

Assessment & Sales

$110.5M
$49.7M
$18.2M
$196.6M
Last Sale DateApr 29, 2022

Building Permits

959 on record · 660 active
General ConstructionDOB NOW
LOC ISSUED
Filed Oct 23, 2026Est. cost $584KJob #M01259148-I1
View this permit's full record & inspection history →
Minor WorkDOB NOW
AHV PERMIT ISSUED
Filed Oct 23, 2026Job #M1161827
View this permit's full record & inspection history →
Mechanical SystemsDOB NOW
PERMIT ISSUED
Filed Oct 21, 2026Est. cost $165KJob #M01385453-S3

Initial Permit

View this permit's full record & inspection history →
General ConstructionDOB NOW
PERMIT ENTIRE
Filed Oct 21, 2026Est. cost $165KJob #M01385453-S3
View this permit's full record & inspection history →
General ConstructionDOB NOW
PERMIT ENTIRE
Filed Oct 20, 2026Est. cost $126KJob #M01259148-S3
View this permit's full record & inspection history →

+ 954 more permits — view full report

Violations

128 on record · 4 open
Open judgment balance — docketed OATH judgments$102,675
Judgments · 26 docketed
FDNY summons (OATH)JUDGMENT DOCKETED
Docketed Jun 15, 2026Balance $1,875Ticket #014208377Z
CERTIFICATES OF FITNESS AND CERTIFICATES OF QUALIFICATION
FDNY summons (OATH)JUDGMENT DOCKETED
Docketed Jun 15, 2026Balance $750Ticket #014208262Z
CERTIFICATES OF FITNESS AND CERTIFICATES OF QUALIFICATION
Health summons (OATH)JUDGMENT DOCKETED
Docketed Dec 23, 2025Balance $25Ticket #0891028977
PUSHCART TOUCHING OR AFFIXED TO BUILDING OR STRUCTURE
FDNY summons (OATH)JUDGMENT DOCKETED
Docketed Oct 31, 2025Balance $1,525Ticket #014167927X
AFFIDAVITS, DESIGN INSTALLATION DOCUMENTS, AND OTHER DOCUMENTATION
FDNY summons (OATH)JUDGMENT DOCKETED
Docketed Nov 30, 2025Balance $750Ticket #012160304P
FIRE PROTECTION SYSTEMS:FAIL TO PREVENT UNNECESSARY UNWARRANTED ALARMS

+ 21 more docketed judgments — view full report

SafetyGas Piping Ll152
ACTIVE
Issued Oct 31, 2025#NOD-FTF-PL-PER-202212-0123729

Cycle 1, Sub-cycle C (premises is in Community District 8)

View this violation's full details & status history →
DOB LegacyEGRADE
ACTIVE
Issued Dec 1, 2024#2784494

FAILURE TO DISPLAY ENERGY EFFICIENCY SCORE AND ENERGY EFFICIENCY GRADE AS PER ADCODE SEC. 28-309.12.3

View this violation's full details & status history →
ECBLocal Law
ACTIVE
Issued Jan 16, 2024#37026610N

FAILURE TO FILE ACCEPTABLE AMENDED CYCLE 9A REPORT INDICATING CORRECTION OF UNSAFE CONDITIONS DESCRIBED IN INITIAL FACADES REPORT REQUIRED BY 28-302.5 FOR CONTROL#904833.REM:FILE ACCEPTABLE REPORT.

View this violation's full details & status history →
DOB LegacyFacade Safety (FISP)
ACTIVE
Issued Feb 17, 2022#2574085

CYCLE 9A UNSAFE REPORT FILED

View this violation's full details & status history →

+ 124 more violations on record — view full report

Get the Complete Report for 645 MADISON AVE

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

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Frequently Asked Questions

When was 645 MADISON AVE, Manhattan built?

The building at 645 MADISON AVE, Manhattan, NY 10022 was constructed in 1971. It is classified as a office - semi-fireproof (small) with 22 floors and 34 units. The building area is 164,615 sqft.

Are there building permits at 645 MADISON AVE, Manhattan?

Yes. 645 MADISON AVE, Manhattan, NY 10022 has 959 building permits on record, with 660 currently active. Permits are sourced from the NYC Department of Buildings (DOB Legacy and DOB NOW systems). The most recent permit is a General Construction (LOC ISSUED) filed Oct 23, 2026.

Does 645 MADISON AVE, Manhattan have violations?

Yes. 645 MADISON AVE, Manhattan, NY 10022 has 128 violations on record, with 4 currently open. Breakdown: 1 DOB Safety, 93 DOB, 34 ECB. Sources: NYC DOB, HPD, and ECB/OATH.

Does 645 MADISON AVE, Manhattan have docketed judgments?

Yes. 645 MADISON AVE, Manhattan, NY 10022 has 26 docketed judgments on record with the NYC Office of Administrative Trials & Hearings (OATH), with an open balance of $102,675. 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 645 MADISON AVE?

645 MADISON AVE, Manhattan, NY 10022 has an assessed market value of $110.5M and a total assessed value of $49.7M (land: $18.2M). Assessment data is from the NYC Department of Finance (DOF).

When was 645 MADISON AVE last sold?

645 MADISON AVE, Manhattan, NY 10022 last sold for $196.6M on Apr 29, 2022. Sale records are sourced from NYC ACRIS and Department of Finance rolling sales data.

What is the zoning for 645 MADISON AVE?

645 MADISON AVE, Manhattan, NY 10022 is zoned C5-3. 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 645 MADISON AVE?

645 MADISON AVE, Manhattan, NY 10022 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 645 MADISON AVE?

Search 645 MADISON AVE 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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645 MADISON AVE, Manhattan, NY 10022 — Property Records, Permits, Violations, Tax & Zoning | RegWatch