Manhattan • Education

1820 Amsterdam Ave

Manhattan, NY 10031Company-ownedBBL 1020820028BIN 1062155

Updated Aug 1, 2026 · 16 sources

Year Built1886
Floors4
Units11
Building Area66,720 sqft
ZoningR7A
ClassW9
Market Value$11.6M

1820 AMSTERDAM AVE is a property located at 1820 AMSTERDAM AVE, Manhattan, NY 10031. It is classified as a education - miscellaneous. The building was constructed in 1886. It has 4 floors and 11 units. The building area is 66,720 square feet on a 19,900 sqft lot. The property is zoned R7A. The assessed market value is $11.6M. Public records list the property as company-owned. There are 190 building permits on record (141 active). There are 122 violations on record (11 currently open). 30 docketed judgments carrying $3,750 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

612records on file

Completed in 1886, 1820 Amsterdam Ave rises 4 stories over New York. Public records put it at 11 units and 66,720 square feet of floor area, on land zoned R7A. It is carried on the public rolls at a market value of $11.6M, and assessed for tax at $5.2M. In the 53 years its record reaches back, the lot has drawn 612 separate government filings.

The documentary life of the address leans hard toward permit: 190 of its 612 records, fully 31%, fall under that one heading. Violation (122) and enforcement (101) trail well behind. 11 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 2026.

On the environmental ledger, the building is benchmarked under Local Law 84, with a site energy-use intensity of 84.7 kBtu per square foot. Its operations answer for roughly 464 metric tons of CO2-equivalent a year.

Read together — 31% permit, 53 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.

$11.6M of New York, written across 612 government filings.

Property Details

Address1820 AMSTERDAM AVE, Manhattan, NY 10031
Building TypeEducation - Miscellaneous
W9
Year Built1886
Floors4
Total Units11
Building Area66,720 sqft
Lot Size19,900 sqft
ZoningR7A
1020820028
1062155
OwnershipCompany-owned

Assessment & Sales

$11.6M
$5.2M
$314K

Building Permits

190 on record · 141 active
General ConstructionDOB NOW
APPROVED
Filed May 26, 2026Est. cost $32KJob #M01322254-S2
General ConstructionDOB NOW
APPROVED
Filed Apr 13, 2026Est. cost $30KJob #M01229195-P1
General ConstructionDOB NOW
PERMIT ENTIRE
Filed Apr 13, 2026Est. cost $30KJob #M01229195-S1
PlumbingDOB NOW
PERMIT ISSUED
Filed Feb 2, 2026Est. cost $44KJob #M01322290-I1
General ConstructionDOB NOW
PERMIT ENTIRE
Filed Feb 2, 2026Est. cost $44KJob #M01322290-I1

+ 185 more permitsview full report

Violations

122 on record · 11 open
Open judgment balance — docketed OATH judgments$3,750
Judgments · 30 docketed
FDNY summons (OATH)JUDGMENT DOCKETED
Docketed Feb 28, 2025Ticket #014149623H
RECORDKEEPING
Sanitation summons (OATH)JUDGMENT DOCKETED
Docketed Sep 30, 2024Ticket #048244265X
FAILURE TO CLEAN 18 INCHES INTO STREET
FDNY summons (OATH)JUDGMENT DOCKETED
Docketed Oct 31, 2023Ticket #014064878R
ELECTRICAL LIGHTING HAZARDS
FDNY summons (OATH)JUDGMENT DOCKETED
Docketed Sep 30, 2023Balance $2,000Ticket #014060524L
AFFIDAVITS, DESIGN INSTALLATION DOCUMENTS, AND OTHER DOCUMENTATION
FDNY summons (OATH)JUDGMENT DOCKETED
Docketed Mar 31, 2024Balance $1,000Ticket #014060525N
FIRE PROTECTION SYSTEMS

+ 25 more docketed judgmentsview full report

DOB LegacyLBLVIO
ACTIVE
Issued Nov 14, 2025#2800224

VIOLATION ISSUED-FAILURE TO FILE 2024 EXTERNAL LOW PRESSURE INSPECTION

View this violation's full details & status history →
DOB LegacyLBLVIO
ACTIVE
Issued Nov 14, 2025#2800225

VIOLATION ISSUED-FAILURE TO FILE 2024 EXTERNAL LOW PRESSURE INSPECTION

View this violation's full details & status history →
DOB LegacyLBLVIO
ACTIVE
Issued Sep 23, 2024#2768136

VIOLATION ISSUED-FAILURE TO FILE 2023 EXTERNAL LOW PRESSURE INSPECTION

View this violation's full details & status history →
DOB LegacyLBLVIO
ACTIVE
Issued Sep 23, 2024#2768137

VIOLATION ISSUED-FAILURE TO FILE 2023 EXTERNAL LOW PRESSURE INSPECTION

View this violation's full details & status history →
DOB LegacyLBLVIO
ACTIVE
Issued Apr 25, 2023#2618394

VIOLATION ISSUED-FAILURE TO FILE 2022 EXTERNAL LOW PRESSURE INSPECTION

View this violation's full details & status history →

+ 117 more violations on record — view full report

Get the Complete Report for 1820 AMSTERDAM 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 1820 AMSTERDAM AVE, Manhattan built?

The building at 1820 AMSTERDAM AVE, Manhattan, NY 10031 was constructed in 1886. It is classified as a education - miscellaneous with 4 floors and 11 units. The building area is 66,720 sqft.

Are there building permits at 1820 AMSTERDAM AVE, Manhattan?

Yes. 1820 AMSTERDAM AVE, Manhattan, NY 10031 has 190 building permits on record, with 141 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 (APPROVED) filed May 26, 2026.

Does 1820 AMSTERDAM AVE, Manhattan have violations?

Yes. 1820 AMSTERDAM AVE, Manhattan, NY 10031 has 122 violations on record, with 11 currently open. Breakdown: 74 DOB, 48 ECB. Sources: NYC DOB, HPD, and ECB/OATH.

Does 1820 AMSTERDAM AVE, Manhattan have docketed judgments?

Yes. 1820 AMSTERDAM AVE, Manhattan, NY 10031 has 30 docketed judgments on record with the NYC Office of Administrative Trials & Hearings (OATH), with an open balance of $3,750. 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 1820 AMSTERDAM AVE?

1820 AMSTERDAM AVE, Manhattan, NY 10031 has an assessed market value of $11.6M and a total assessed value of $5.2M (land: $314K). Assessment data is from the NYC Department of Finance (DOF).

What is the zoning for 1820 AMSTERDAM AVE?

1820 AMSTERDAM AVE, Manhattan, NY 10031 is zoned R7A. 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 1820 AMSTERDAM AVE?

1820 AMSTERDAM AVE, Manhattan, NY 10031 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 1820 AMSTERDAM AVE?

Search 1820 AMSTERDAM 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 adds the complete title history, owner contacts, and a downloadable PDF.

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1820 AMSTERDAM AVE, Manhattan, NY 10031 — Property Records, Permits, Violations, Tax & Zoning | RegWatch