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NYC Building Records · BBL 1021270041

506 WEST 171 STREET

Manhattan · Block 2127 · Lot 41 · Walk-up, over six families (Class C1)

506 WEST 171 STREET is a Class C1 (walk-up, over six families) building in Manhattan (BBL 1021270041) built in 1911, with 20 residential units across 5 floors.

The building is in NYC community district 112, council district 10, zoning district R7-2, on a 4,156-square-foot lot with a building footprint of 14,810 square feet.

The current registered owner of record per NYC PLUTO is 171ST STREET PROPERTY LIMITED LIABILITY COMPANY.

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

171ST STREET PROPERTY LIMITED LIABILITY COMPANY
HPD-registered head officer: SAL RADONCIC

HPD registered contacts

People legally accountable to HPD for conditions at this building, in registration-priority order:
  • Head OfficerSAL RADONCIC
  • Corporate Owner171ST STREET PROPERTIES, LLC
  • Managing AgentFRIEDMAN MANAGEMENT CORP.
  • Site ManagerMANUEL GOMEZ

Most recent deed

Most recent ACRIS document: AGMT recorded Jan 25, 2021.
🔒 See the full deed history for this building →

Recent ACRIS documents (last 2)

DateTypeAmountParties
Jan 25, 2021AGMT$328KParties redacted — full names in MetroDeeds Scout+
Jan 28, 2014AGMT$400KParties redacted — full names in MetroDeeds Scout+
🔒 Reveal the 2 redacted buyer/seller names above →

Building stats

Units
20
Year built
1911
Class
C1
Borough
Manhattan
Zoning:
R7-2
Lot size:
4,156 sqft
Building area:
14,810 sqft
Floors:
5
Assessed value:
$641K
Community district:
112
Council district:
10

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 BInspected Feb 13, 2025
    § 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE CERAMIC TILES AT THE SOUTH WALL IN THE BATHROOM LOCATED AT…
  • Class AInspected Feb 13, 2025
    § 27-2017.3 HMC: TRACE AND REPAIR THE SOURCE AND ABATE THE VISIBLE MOLD CONDITION... LESS THAN 10 SQUARE FEET AT THE WEST WALL IN THE 3rd RO…
  • Class CInspected Feb 13, 2025
    § 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE GLASS PANE AT THE LOWER WINDOW SASH AT THE FIRE ESCAPE WINDOW IN THE 4th R…
  • Class CInspected Feb 13, 2025
    567 (C) § 27-2017, 27-2017.1, 27-2017.4, 27-2017.5, 27-2017.8, 27-2019, 27-2021 HMC: ABATE THE NUISANCE CONSISTING OF EVIDENCE OF RATS AND A…
  • Class BInspected Feb 6, 2025
    § 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE COUNTER BALANCE AT UPPER STASH WINDOW AT SOUTH WALL IN THE 2nd ROOM FROM N…
🔒 See closure dates + classification on archived violations →

Recent ACRIS activity

2 documents in the last 5 years (most recent Jan 25, 2021).

Frequently asked questions about 506 WEST 171 STREET

Who owns 506 WEST 171 STREET?

The current registered owner of record for 506 WEST 171 STREET per NYC PLUTO is 171ST STREET PROPERTY LIMITED LIABILITY COMPANY. MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.

When was 506 WEST 171 STREET last sold?

MetroDeeds shows no confirmed ACRIS deed transfer for 506 WEST 171 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 506 WEST 171 STREET have?

No open HPD housing-maintenance code violations are on record for 506 WEST 171 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 506 WEST 171 STREET?

NYC Department of Finance assesses 506 WEST 171 STREET at $641K 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 506 WEST 171 STREET and what does that mean?

506 WEST 171 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.

More from MetroDeeds

Go deeper on this building

Open full Landlord Intel for 506 WEST 171 STREET
Every deed, every violation, court cases, mortgages, and operator portfolio — in one panel.
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