623 WEST 136 STREET
623 WEST 136 STREET is a Class C1 (walk-up, over six families) building in Manhattan (BBL 1020020075) built in 1910, with 21 residential units across 5 floors.
The building is in NYC community district 109, council district 7, zoning district R8, on a 5,396-square-foot lot with a building footprint of 19,270 square feet.
The current registered owner of record per NYC PLUTO is RIVERSIDE 136 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 OfficerSHELLEY HARTMAN
- Corporate OwnerRIVERSIDE 136 LLC
- Managing AgentRoman Markowicz
- Site ManagerFANNY LOJA
Most recent deed
Recent ACRIS documents (last 5)
Building stats
- Zoning:
- R8
- Lot size:
- 5,396 sqft
- Building area:
- 19,270 sqft
- Floors:
- 5
- Assessed value:
- $635K
- Community district:
- 109
- Council district:
- 7
HPD violations
Recent HPD violation details
- Class CInspected Apr 11, 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 CInspected Mar 20, 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 Mar 20, 2026§ 27-2026 ADM CODE REPAIR THE LEAKY AND/OR DEFECTIVE FAUCETS AT BATHTUB IN THE BATHROOM LOCATED AT APT 2, 1st STORY, 1st APARTMENT FROM SOUT…
- Class BInspected Mar 20, 2026§ 27-2017.3 HMC: TRACE AND REPAIR THE SOURCE AND ABATE THE VISIBLE MOLD CONDITION... GREATER THAN 10 SQUARE FEET AT CEILING, EAST AND WEST W…
- Class BInspected Mar 20, 2026§ 27-2026, 2027 HMC: PROPERLY REPAIR THE SOURCE AND ABATE THE EVIDENCE OF A WATER LEAK AT CEILING IN THE BATHROOM LOCATED AT APT 2, 1st STOR…
Recent ACRIS activity
Frequently asked questions about 623 WEST 136 STREET
Who owns 623 WEST 136 STREET?
The current registered owner of record for 623 WEST 136 STREET per NYC PLUTO is RIVERSIDE 136 LLC. MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.
When was 623 WEST 136 STREET last sold?
MetroDeeds shows no confirmed ACRIS deed transfer for 623 WEST 136 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 623 WEST 136 STREET have?
No open HPD housing-maintenance code violations are on record for 623 WEST 136 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 623 WEST 136 STREET?
NYC Department of Finance assesses 623 WEST 136 STREET at $635K 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 623 WEST 136 STREET and what does that mean?
623 WEST 136 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.