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NYC Building Records · BBL 3026510018

103 DIAMOND STREET

Brooklyn · Block 2651 · Lot 18 · Walk-up, over six families (Class C1)

103 DIAMOND STREET is a Class C1 (walk-up, over six families) building in Brooklyn (BBL 3026510018) built in 1928, with 8 residential units across 4 floors.

The building is in NYC community district 301, council district 33, zoning district R6B, on a 2,500-square-foot lot with a building footprint of 7,500 square feet.

The current registered owner of record per NYC PLUTO is 103 DIAMOND STREET LLC.

MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.

The building is registered with NYC HPD's landlord-registration system and has no open HPD housing-maintenance code violations on record as of May 18, 2026.

Data sourced daily from NYC PLUTO (Department of City Planning), NYC ACRIS (Department of Finance), and NYC HPD housing-maintenance code violations.

Owner of record

103 DIAMOND STREET LLC
HPD-registered head officer: BRUNO RZEZNIK

HPD registered contacts

People legally accountable to HPD for conditions at this building, in registration-priority order:
  • Head OfficerBRUNO RZEZNIK
  • Corporate Owner103 DIAMOND STREET LLC
  • Site ManagerJOHN RZEZNIK

Most recent deed

Last transferred on Apr 11, 2019 to 103 Diamond Street Llc.
Previous owner: Rzeznik, Bruno
Cash sale: no recorded mortgage tied to this transfer.
🔒 See all transfers before the 2019 sale →

Recent ACRIS documents (last 2)

DateTypeAmountParties
Apr 11, 2019DEEDNot disclosedParties redacted — full names in MetroDeeds Scout+
Aug 7, 2015DEEDNot disclosedParties redacted — full names in MetroDeeds Scout+
🔒 Reveal the 2 redacted buyer/seller names above →

Building stats

Units
8
Year built
1928
Class
C1
Borough
Brooklyn
Zoning:
R6B
Lot size:
2,500 sqft
Building area:
7,500 sqft
Floors:
4
Assessed value:
$1.1M
Community district:
301
Council district:
33

HPD violations

0 open
Most severe class on record: Class C (immediately hazardous)
No open violations on record. Source: NYC HPD.
🔒 See every closed violation + inspection history →

Recent HPD violation details

Most recent 5 violations issued by NYC HPD at this address:
  • Class AInspected May 4, 2026
    (A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPD…
  • Class AInspected Jun 9, 2025
    (A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPD…
  • Class AInspected Apr 9, 2024
    (A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPD…
  • Class IInspected Nov 21, 2023
    §27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE…
  • Class IInspected Nov 21, 2017
    §27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE…
🔒 See closure dates + classification on archived violations →

Recent ACRIS activity

2 documents in the last 5 years (most recent Apr 11, 2019).

Frequently asked questions about 103 DIAMOND STREET

Who owns 103 DIAMOND STREET?

The current registered owner of record for 103 DIAMOND STREET per NYC PLUTO is 103 DIAMOND STREET LLC. MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.

When was 103 DIAMOND STREET last sold?

MetroDeeds shows no confirmed ACRIS deed transfer for 103 DIAMOND STREET in the last 5 years of recorded NYC public-records data. NYC ACRIS coverage extends back to 1966; an absence in our 5-year window typically means either the BBL has not transacted recently, or the most recent recorded document is not a DEED type (such as a refinance rather than a sale).

How many HPD violations does 103 DIAMOND STREET have?

No open HPD housing-maintenance code violations are on record for 103 DIAMOND STREET as of May 18, 2026. The building is registered with NYC HPD's landlord-registration system. HPD violation data is pulled daily from the NYC Open Data violations feed.

What is the assessed value of 103 DIAMOND STREET?

NYC Department of Finance assesses 103 DIAMOND STREET at $1.14M for the current tax year. NYC assesses property at a fraction of estimated market value (the assessment ratio varies by tax class — 6% for tax class 1 one-to-three-family dwellings, approximately 45% for tax class 2 rental apartment buildings), so the market value implied by this assessment is meaningfully higher. Assessment data is published by NYC Department of Finance.

What building class is 103 DIAMOND STREET and what does that mean?

103 DIAMOND STREET is NYC building class C1 — Walk-up, over six families. A 3-to-6-story walk-up apartment building with more than 6 residential units. Building class is assigned by NYC Department of Finance and recorded in PLUTO; it determines the property's tax class and the regulatory regime that applies.

More from MetroDeeds

Go deeper on this building

Open full Landlord Intel for 103 DIAMOND STREET
Every deed, every violation, court cases, mortgages, and operator portfolio — in one panel.
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