503 WEST 170 STREET
503 WEST 170 STREET is a Class C6 (walk-up coop) building in Manhattan (BBL 1021270052) built in 1911, with 25 residential units across 5 floors.
The building is in NYC community district 112, council district 10, zoning district R7-2, on a 5,000-square-foot lot with a building footprint of 18,005 square feet.
The current registered owner of record per NYC PLUTO is 503 WEST 170 ST HDFC.
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 OfficerROBERT POLANCO
- Corporate Owner503 WEST 170TH HDFC
Most recent deed
Building stats
- Zoning:
- R7-2
- Lot size:
- 5,000 sqft
- Building area:
- 18,005 sqft
- Floors:
- 5
- Assessed value:
- $946K
- Community district:
- 112
- Council district:
- 10
HPD violations
Recent HPD violation details
- Class AInspected Apr 29, 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 IInspected Nov 17, 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 BInspected Oct 17, 2025§ 27-2005, 2007 ADM CODE AND DEPT. RULES AND REGULATIONS. REMOVE THE ENCUMBRANCE OBSTRUCTING EGRESS FROM FIRE ESCAPES HOUSEHOLD ITEM AT 5TH…
- Class CInspected Oct 17, 2025§ 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE RUBBER MEMBRANE AT ROOF SO THAT IT WILL NOT LEAK
- Class AInspected Oct 17, 2025§ 27-2013 ADM CODE PAINT WITH LIGHT COLORED PAINT TO THE SATISFACTION OF THIS DEPARTMENT AT CEILING AND NORTH WALL AT PUBLIC HALL, 5th STORY
Frequently asked questions about 503 WEST 170 STREET
Who owns 503 WEST 170 STREET?
The current registered owner of record for 503 WEST 170 STREET per NYC PLUTO is 503 WEST 170 ST HDFC. MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.
When was 503 WEST 170 STREET last sold?
MetroDeeds shows no confirmed ACRIS deed transfer for 503 WEST 170 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 503 WEST 170 STREET have?
No open HPD housing-maintenance code violations are on record for 503 WEST 170 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 503 WEST 170 STREET?
NYC Department of Finance assesses 503 WEST 170 STREET at $946K 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 503 WEST 170 STREET and what does that mean?
503 WEST 170 STREET is NYC building class C6 — Walk-up coop. A walk-up cooperative apartment building. 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.