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Brooklyn • Primarily Residential

120 Diamond St

Brooklyn, NY 11222Company-ownedBBL 3026250038BIN 3065868
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Updated Aug 1, 2026 · 16 sources

Year Built1931
Floors3
Units4
Building Area4,040 sqft
ZoningR6B
ClassS9
Market Value$1.4M

120 DIAMOND ST is a property located at 120 DIAMOND ST, Brooklyn, NY 11222. It is classified as a primarily residential - mixed use misc. The building was constructed in 1931. It has 3 floors and 4 units. The building area is 4,040 square feet on a 1,900 sqft lot. The property is zoned R6B. The assessed market value is $1.4M. It last sold for $1,000K on Jun 4, 2010. Public records list the property as company-owned. There are 1 building permit on record (0 active). There are 9 violations on record (2 currently open). 1 docketed judgment carrying $12,500 in open balances is 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

51records on file

Completed in 1931, 171 Norman Ave rises 3 stories over Kings. Public records put it at 4 units and 4,040 square feet of floor area, on land zoned R6B. It is carried on the public rolls at a market value of $1.4M, and assessed for tax at $626K. In the 55 years its record reaches back, the lot has drawn 51 separate government filings.

The documentary life of the address leans hard toward inspection: 25 of its 51 records, fully 49%, fall under that one heading. Violation (9) and mortgage (4) trail well behind. 2 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.

Read together — 49% inspection, 55 years of accumulation, a parcel of Kings — these scattered records compose a portrait of the address that no single page sets out to draw.

$1.4M of Kings, written across 51 government filings.

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

Property Details

Address120 DIAMOND ST, Brooklyn, NY 11222
Building TypePrimarily Residential - Mixed Use Misc
S9
Year Built1931
Floors3
Total Units4
Building Area4,040 sqft
Lot Size1,900 sqft
ZoningR6B
ConditionAverage
3026250038
3065868
OwnershipCompany-owned

Assessment & Sales

$1.4M
$626K
$198K
$1,000K
Last Sale DateJun 4, 2010

Building Permits

1 on record
Limited AlterationDOB NOW
SIGNED OFF
Filed N/AJob #B00915553-I1
View this permit's full record & inspection history →

Violations

9 on record · 2 open
Open judgment balance — docketed OATH judgments$12,500
Judgments · 1 docketed
DOB summons (OATH)JUDGMENT DOCKETED
Docketed May 31, 2025Balance $12,500Ticket #037031588M
MISCELLANEOUS VIOLATIONS
ECBConstruction
ACTIVE
Issued Oct 1, 2024#37031588M

FAILURE TO SUBMIT THE REQUIRED PARKING STRUCTURE INITIAL OBSERVATION REPORT FOR AN EXISTING PARKING STRUCTURE OR A PERIODIC INSPECTION OF A PARKING STRUCTURE(PIPS) REPORT DOCUMENTING THE CONDITIONS OF PSID#B000

View this violation's full details & status history →
DOB LegacyLocal Law 62/91
ACTIVE
Issued Aug 16, 1993#220318
View this violation's full details & status history →

+ 7 more violations on record — view full report

Get the Complete Report for 120 DIAMOND 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 120 DIAMOND ST, Brooklyn built?

The building at 120 DIAMOND ST, Brooklyn, NY 11222 was constructed in 1931. It is classified as a primarily residential - mixed use misc with 3 floors and 4 units. The building area is 4,040 sqft.

Are there building permits at 120 DIAMOND ST, Brooklyn?

Yes. 120 DIAMOND ST, Brooklyn, NY 11222 has 1 building permit on record, with 0 currently active. Permits are sourced from the NYC Department of Buildings (DOB Legacy and DOB NOW systems). The most recent permit is a Limited Alteration (SIGNED OFF) filed N/A.

Does 120 DIAMOND ST, Brooklyn have violations?

Yes. 120 DIAMOND ST, Brooklyn, NY 11222 has 9 violations on record, with 2 currently open. Breakdown: 8 DOB, 1 ECB. Sources: NYC DOB, HPD, and ECB/OATH.

Does 120 DIAMOND ST, Brooklyn have docketed judgments?

Yes. 120 DIAMOND ST, Brooklyn, NY 11222 has 1 docketed judgment on record with the NYC Office of Administrative Trials & Hearings (OATH), with an open balance of $12,500. 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 120 DIAMOND ST?

120 DIAMOND ST, Brooklyn, NY 11222 has an assessed market value of $1.4M and a total assessed value of $626K (land: $198K). Assessment data is from the NYC Department of Finance (DOF).

When was 120 DIAMOND ST last sold?

120 DIAMOND ST, Brooklyn, NY 11222 last sold for $1,000K on Jun 4, 2010. Sale records are sourced from NYC ACRIS and Department of Finance rolling sales data.

What is the zoning for 120 DIAMOND ST?

120 DIAMOND ST, Brooklyn, NY 11222 is zoned R6B. 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 120 DIAMOND ST?

120 DIAMOND ST, Brooklyn, NY 11222 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 120 DIAMOND ST?

Search 120 DIAMOND 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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120 DIAMOND ST, Brooklyn, NY 11222 — Property Records, Permits, Violations, Tax & Zoning | RegWatch