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NYC Building Records · BBL 3026840023

31 DIAMOND STREET

Brooklyn · Block 2684 · Lot 23 · Walk-up, three families (Class C4)

31 DIAMOND STREET is a Class C4 (walk-up, three families) building in Brooklyn (BBL 3026840023) built in 1930, with 14 residential units across 4 floors.

The building is in NYC community district 301, council district 33, zoning district R6B, on a 3,750-square-foot lot with a building footprint of 12,000 square feet.

The current registered owner of record per NYC PLUTO is JME DIAMOND, 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

JME DIAMOND, LLC
HPD-registered head officer: JAROSLAW MORAWIEC

HPD registered contacts

People legally accountable to HPD for conditions at this building, in registration-priority order:
  • Head OfficerJAROSLAW MORAWIEC
  • Corporate OwnerJME DIAMOND LLC
  • Managing AgentIZABELA MORAWIEC

Most recent deed

Most recent ACRIS document: MTGE recorded Aug 29, 2012.
🔒 See the full deed history for this building →

Recent ACRIS documents (last 2)

DateTypeAmountParties
Aug 29, 2012MTGE$1.3MParties redacted — full names in MetroDeeds Scout+
Nov 20, 2007MTGE$1.7MParties redacted — full names in MetroDeeds Scout+
🔒 Reveal the 2 redacted buyer/seller names above →

Building stats

Units
14
Year built
1930
Class
C4
Borough
Brooklyn
Zoning:
R6B
Lot size:
3,750 sqft
Building area:
12,000 sqft
Floors:
4
Assessed value:
$341K
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 2 violations issued by NYC HPD at this address:
  • Class AInspected Mar 22, 2023
    (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 CInspected May 17, 1988
    § 27-2033 ADM CODE PROVIDE READY ACCESS TO BUILDINGS HEATING SYSTEM CELLAR DOOR LOCKED.
🔒 See closure dates + classification on archived violations →

Recent ACRIS activity

2 documents in the last 5 years (most recent Aug 29, 2012).

Frequently asked questions about 31 DIAMOND STREET

Who owns 31 DIAMOND STREET?

The current registered owner of record for 31 DIAMOND STREET per NYC PLUTO is JME DIAMOND, LLC. MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.

When was 31 DIAMOND STREET last sold?

MetroDeeds shows no confirmed ACRIS deed transfer for 31 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 31 DIAMOND STREET have?

No open HPD housing-maintenance code violations are on record for 31 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 31 DIAMOND STREET?

NYC Department of Finance assesses 31 DIAMOND STREET at $341K 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 31 DIAMOND STREET and what does that mean?

31 DIAMOND STREET is NYC building class C4 — Walk-up, three families. A 3-to-6-story walk-up apartment building with 3 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

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