465 West 23 Street, Chelsea, Manhattan: Violations and Building Information

About 465 West 23 Street

465 West 23 Street is a condominium building in Chelsea, Manhattan, built in 1932, with 2 apartments and 29 other units, on 19 floors. The lot is 49,375 sq ft, zoned R8A.

Building type

Condominium building (class RM)

Year built

1932

Apartments

2

All units

31

Floors

19

Building floor area

668,258 sq ft

Non-residential space

51,293 sq ft (36,222 retail, 11,998 office, 3,073 other / community)

Lot area

49,375 sq ft

Zoning

R8A · overlay C1-5 / C2-5

Floor area ratio

13.53 built of 6.50 allowed

Programmes and lists

Condominium · Rent-stabilised units · LL97: emission limits from 2024 · LL87 energy audit · LL88 lighting

BBL

1007217501

From the city’s tax-lot records (DCP PLUTO), DOF, HPD, DOB and HUD programme lists. Zoning map for this lot.

NYC rules that apply here

Based on the building’s size, age and type. These apply whether or not anything is open.

• Rent-stabilised unitsThe DOF property tax bill lists rent-stabilised units in this building. Every stabilised unit must be registered with DHCR each year, with the rent roll. Increases follow the Rent Guidelines Board; leases, renewals and riders use the required forms.
• LL97: emission limits from 2024On DOB’s Local Law 97 list under Article 320: emission limits since January 1, 2024, report every May 1.
• LL87 energy auditOn DOB’s Local Law 87 list: an energy audit and retro-commissioning report every ten years, the year set by the block number’s last digit.
• LL88 lightingOn DOB’s Local Law 88 list: lighting in non-residential and common spaces had to meet code by January 1, 2025 (and tenant submeters in the largest buildings), with a report to DOB.
• HPD registration if rented outA one- or two-family home must register with HPD when neither the owner nor the owner’s family lives there. Read the guide
• Lead-paint rules for rented unitsBuilt before 1960: an apartment rented to a tenant falls under Local Law 1 (presumed lead paint, turnover work, records). Read the guide
• Gas piping inspection every four years (Local Law 152)Every building except one- and two-family homes; the year depends on the community district. Read the guide
• Natural gas alarms by January 1, 2027Every apartment in a building with gas service needs a natural gas alarm (Local Law 157 of 2016, deadline set by Local Law 102 of 2025). Read the guide
• Façade inspection every five years (FISP / Local Law 11)Taller than six stories, so a qualified inspector must examine the exterior walls every five years and file with DOB. Read the guide
• Energy benchmarking and Local Law 97About 668,258 sq ft, over the 25,000 sq ft line: Local Law 84 benchmarking and the Local Law 97 emissions report are due May 1 if the building is on the covered list. Over 50,000 sq ft, a Local Law 87 energy audit is due every ten years. Read the guide
• In a flood zoneInside the 1% annual-chance flood zone on FEMA’s 2015 preliminary maps. Substantial work must meet flood-resistant construction rules, and lenders may require flood insurance.