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NYC Building Records · BBL 3016420012

684 MONROE STREET

Brooklyn · Block 1642 · Lot 12 · One-family misc (Class A9)

684 MONROE STREET is a Class A9 (one-family misc) building in Brooklyn (BBL 3016420012) built in 1899, with 1 residential unit across 2 floors.

The building is in NYC community district 303, council district 36, zoning district R6B, on a 2,500-square-foot lot with a building footprint of 2,376 square feet.

The current registered owner of record per NYC PLUTO is CERNANSKY, JASON.

The most recent ACRIS deed transfer for this BBL was recorded on February 12, 2024 when MB MONROE STREET LLC conveyed the property to CERNANSKY, JASON; ARCAYA, ALYSSA for $2.02M. The transaction was financed with a $1.01M mortgage from Mers; United Wholesale Mortgage, Llc.

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

CERNANSKY, JASON
HPD-registered head officer: MICHAEL YEHOUNATAN

HPD registered contacts

People legally accountable to HPD for conditions at this building, in registration-priority order:
  • Head OfficerMICHAEL YEHOUNATAN
  • Corporate OwnerMB MONROE STREET LLC

Most recent deed

Last transferred on Feb 12, 2024 for $2.0M to CERNANSKY, JASON; ARCAYA, ALYSSA.
Previous owner: MB MONROE STREET LLC
Mortgage: $1.0M recorded Feb 12, 2024 with Mers; United Wholesale Mortgage, Llc. Loan-to-value: 50%.
🔒 See all transfers before the 2024 sale →

Recent ACRIS documents (last 5)

DateTypeAmountParties
Feb 12, 2024AGMT$1.0MParties redacted — full names in MetroDeeds Scout+
Feb 12, 2024DEED$2.0MParties redacted — full names in MetroDeeds Scout+
Feb 8, 2023MTGE$850KParties redacted — full names in MetroDeeds Scout+
Feb 8, 2023MTGE$200KParties redacted — full names in MetroDeeds Scout+
Feb 8, 2023DEED$960KParties redacted — full names in MetroDeeds Scout+
🔒 Reveal the 5 redacted buyer/seller names above →

Building stats

Units
1
Year built
1899
Class
A9
Borough
Brooklyn
Zoning:
R6B
Lot size:
2,500 sqft
Building area:
2,376 sqft
Floors:
2
Assessed value:
$101K
Community district:
303
Council district:
36

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 IInspected Nov 24, 2025
    §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 Dec 4, 2024
    §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 BInspected Dec 30, 2015
    § 27-2005 ADMIN. CODE: REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN UNIFORM COLOR AT CEILING IN THE 1st ROOM FROM NORTH AT…
  • Class BInspected Dec 30, 2015
    § 27-2005 ADMIN. CODE: REPAIR THE ROOF SO THAT IT WILL NOT LEAK AT CEILING IN THE KITCHEN LOCATED AT APT 3, 2nd STORY, 1st APARTMENT FROM NO…
  • Class CInspected Dec 30, 2015
    § 27-2005 ADMIN. CODE: REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN UNIFORM COLOR APPROX. 30 SQ. FT. OF PLASTER AT CEILING…
🔒 See closure dates + classification on archived violations →

Recent ACRIS activity

5 documents in the last 5 years (most recent Feb 12, 2024).

Frequently asked questions about 684 MONROE STREET

Who owns 684 MONROE STREET?

The current registered owner of record for 684 MONROE STREET per NYC PLUTO is CERNANSKY, JASON. The most recent ACRIS deed transfer for this BBL was recorded on February 12, 2024 when the property was conveyed to CERNANSKY, JASON; ARCAYA, ALYSSA. PLUTO ownership is refreshed monthly by NYC Department of Finance; the registered owner may not reflect transactions recorded within the last 30 days.

When was 684 MONROE STREET last sold?

The most recent ACRIS deed transfer for 684 MONROE STREET was recorded on February 12, 2024, when MB MONROE STREET LLC conveyed the property to CERNANSKY, JASON; ARCAYA, ALYSSA for $2.02M. The transaction was financed with a $1.01M mortgage from Mers; United Wholesale Mortgage, Llc.

How many HPD violations does 684 MONROE STREET have?

No open HPD housing-maintenance code violations are on record for 684 MONROE 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 684 MONROE STREET?

NYC Department of Finance assesses 684 MONROE STREET at $101K 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 684 MONROE STREET and what does that mean?

684 MONROE STREET is NYC building class A9 — One-family misc. Miscellaneous one-family dwelling. 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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