605 PARK AVENUE
605 PARK AVENUE is a Class D4 (elevator coop, 6+ stories) building in Manhattan (BBL 1013990074) built in 1954, with 112 residential units across 20 floors.
The building is in NYC community district 108, council district 4, zoning district R10, on a 14,526-square-foot lot with a building footprint of 181,000 square feet.
The current registered owner of record per NYC PLUTO is UNAVAILABLE OWNER.
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 OfficerWILLIAM MCKNIGHT
- Corporate Owner605 APARTMENT CORP
- Managing AgentRUDD MANAGEMENT, LLC
- Site ManagerALBERTO MARTINEZ
Most recent deed
Recent ACRIS documents (last 5)
Building stats
- Zoning:
- R10
- Lot size:
- 14,526 sqft
- Building area:
- 181,000 sqft
- Floors:
- 20
- Assessed value:
- $20.5M
- Community district:
- 108
- Council district:
- 4
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 CInspected Feb 28, 2026§ 27-2005, 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MIS…
- Class BInspected Feb 28, 2026§ 27-2045(B)(1)(A) HMC, § 12-01, § 12-03 RCNY REPAIR, REPLACE OR PROVIDE AN APPROVED AND OPERATIONAL SMOKE DETECTING DEVICE, INSTALLED IN AC…
- Class BInspected Feb 28, 2026§ 27-2045(B)(1)(B) HMC, § 12-06, § 12-07, § 12-09 RCNY REPAIR, REPLACE OR PROVIDE AN APPROVED AND OPERATIONAL CARBON MONOXIDE DETECTING DEVI…
- Class BInspected Feb 28, 2026§ 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE HVAC UNIT AT WEST WALL. IN THE 4th ROOM FROM NORTH LOCATED AT APT 10A, 10t…
Recent ACRIS activity
Frequently asked questions about 605 PARK AVENUE
Who owns 605 PARK AVENUE?
The current registered owner of record for 605 PARK AVENUE per NYC PLUTO is UNAVAILABLE OWNER. MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.
When was 605 PARK AVENUE last sold?
MetroDeeds shows no confirmed ACRIS deed transfer for 605 PARK AVENUE 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 605 PARK AVENUE have?
No open HPD housing-maintenance code violations are on record for 605 PARK AVENUE 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 605 PARK AVENUE?
NYC Department of Finance assesses 605 PARK AVENUE at $20.47M 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 605 PARK AVENUE and what does that mean?
605 PARK AVENUE is NYC building class D4 — Elevator coop, 6+ stories. A 6+ story elevator 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.