90 MONITOR STREET
90 MONITOR STREET is a Class C0 (walk-up, 3+ families) building in Brooklyn (BBL 3027050005) built in 1910, with 3 residential units across 3 floors.
The building is in NYC community district 301, council district 33, zoning district R6B, on a 1,600-square-foot lot with a building footprint of 2,688 square feet.
The current registered owner of record per NYC PLUTO is KUPREL, JOZEF.
The most recent ACRIS deed transfer for this BBL was recorded on July 10, 2023 when Kuprel, Jadwiga; Kuprel, Jozef conveyed the property to Jozef And Jadwiga Kuprel Trust; Malgorzata Zamajtys As Trustee; Agnieszka Niewinski As Trustee for a non-disclosed consideration. The transaction was recorded as cash (no paired mortgage instrument).
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
HPD registered contacts
- Site ManagerMALGORZATA ZAMAJTYS
Most recent deed
Recent ACRIS documents (last 1)
Building stats
- Zoning:
- R6B
- Lot size:
- 1,600 sqft
- Building area:
- 2,688 sqft
- Floors:
- 3
- Assessed value:
- $143K
- Community district:
- 301
- Council district:
- 33
HPD violations
Recent HPD violation details
- Class AInspected May 5, 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 10, 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 11, 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 AInspected Mar 24, 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 IInspected Nov 10, 2022§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…
Recent ACRIS activity
Frequently asked questions about 90 MONITOR STREET
Who owns 90 MONITOR STREET?
The current registered owner of record for 90 MONITOR STREET per NYC PLUTO is KUPREL, JOZEF. The most recent ACRIS deed transfer for this BBL was recorded on July 10, 2023 when the property was conveyed to Jozef And Jadwiga Kuprel Trust; Malgorzata Zamajtys As Trustee; Agnieszka Niewinski As Trustee. 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 90 MONITOR STREET last sold?
The most recent ACRIS deed transfer for 90 MONITOR STREET was recorded on July 10, 2023, when Kuprel, Jadwiga; Kuprel, Jozef conveyed the property to Jozef And Jadwiga Kuprel Trust; Malgorzata Zamajtys As Trustee; Agnieszka Niewinski As Trustee for a non-disclosed consideration. The transaction was recorded as cash (no paired mortgage instrument).
How many HPD violations does 90 MONITOR STREET have?
No open HPD housing-maintenance code violations are on record for 90 MONITOR 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 90 MONITOR STREET?
NYC Department of Finance assesses 90 MONITOR STREET at $143K 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 90 MONITOR STREET and what does that mean?
90 MONITOR STREET is NYC building class C0 — Walk-up, 3+ families. A 3-to-6-story walk-up apartment building (no elevator), 3 or more 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.