175 CONGRESS STREET
175 CONGRESS STREET is a Class C1 (walk-up, over six families) building in Brooklyn (BBL 3002960033) built in 1851, with 9 residential units across 4 floors.
The building is in NYC community district 306, council district 39, zoning district R6, on a 2,500-square-foot lot with a building footprint of 6,250 square feet.
The current registered owner of record per NYC PLUTO is ONE SAPLING ON CONGRESS 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
HPD registered contacts
- Head OfficerJONATHAN OSTROW
- Corporate OwnerONE SAPLING ON CONGRESS, LLC
Most recent deed
Recent ACRIS documents (last 5)
Building stats
- Zoning:
- R6
- Lot size:
- 2,500 sqft
- Building area:
- 6,250 sqft
- Floors:
- 4
- Assessed value:
- $1.9M
- Community district:
- 306
- Council district:
- 39
HPD violations
Recent HPD violation details
- 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 AInspected Feb 23, 2022(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 Aug 11, 2020§ 27-2070 ADM CODE PROVIDE AN ADEQUATE SUPPLY OF GAS TO THE FIXTURES TO STOVE IN THE ENTIRE APARTMENT LOCATED AT APT 5R, 4th STORY, APARTMEN…
- Class CInspected May 14, 2020§ 27-2070 ADM CODE PROVIDE AN ADEQUATE SUPPLY OF GAS TO THE FIXTURES AT RANGE IN THE ENTIRE APARTMENT LOCATED AT APT 5R, 5th STORY, 1st APAR…
Recent ACRIS activity
Frequently asked questions about 175 CONGRESS STREET
Who owns 175 CONGRESS STREET?
The current registered owner of record for 175 CONGRESS STREET per NYC PLUTO is ONE SAPLING ON CONGRESS LLC. MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.
When was 175 CONGRESS STREET last sold?
MetroDeeds shows no confirmed ACRIS deed transfer for 175 CONGRESS 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 175 CONGRESS STREET have?
No open HPD housing-maintenance code violations are on record for 175 CONGRESS 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 175 CONGRESS STREET?
NYC Department of Finance assesses 175 CONGRESS STREET at $1.87M 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 175 CONGRESS STREET and what does that mean?
175 CONGRESS 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.