N.Y.C. Admin. Code § EBC D103: D103 Multiple Dwelling Classification.

All multiple dwelling shall be classified, in accordance with the records of the department, into 1 of the categories listed in Table D103.

Table D103 Multiple Dwelling Classifications

CLASS A

CLASS B

DESCRIPTION

OL

Old Law Tenement – Originally erected as a multiple dwelling in accordance with the laws in effect prior to April 12, 1901, and recorded as OL in the tenement house department (now department of housing preservation and development) before April 18, 1929.

OLSR

Old Law Tenement, Single Room Occupancy – Old law tenements that contain units converted to single room occupancy pursuant to MDL section 248. When a Class A tenement is converted to OLSR, it remains a Class A multiple dwelling.

COL

Converted Old Law – An OL not originally erected as a tenement but converted to OL and recorded as COL in the department of housing preservation and development.

NL

New Law Tenement – Originally erected as a multiple dwelling in accordance with the laws in effect after April 12, 1901, and prior to April 18, 1929, and recorded as NL in the tenement house department (now department of housing preservation and development) before April 18, 1929.

NLSR

New Law Tenement, Single Room Occupancy – New law tenements that contain units converted to single room occupancy pursuant to MDL section 248. When a Class A tenement is converted to NLSR, it remains a Class A multiple dwelling.

CNL

Converted New Law – A NL not originally erected as a NL but converted to NL and recorded as CNL in the department of housing preservation and development.

HCA

HCB

Heretofore Converted – Originally erected as a one- or two-family dwelling, and converted prior to April 18, 1929, to a multiple dwelling.

HACA

HACB

Hereafter Converted – Originally erected as a one- or two-family dwelling in accordance with the laws in effect prior to December 6, 1968, and converted after April 18, 1929, and before the effective date of the local law that added this section to a multiple dwelling in accordance with such laws.

EBC-CDA

EBC Converted Dwelling – Originally erected as a one- or two-family dwelling in accordance with the laws in effect prior to December 6, 1968, and converted on or after the effective date of the local law that added this section to a multiple dwelling in accordance with Chapters D3 and D6 of the New York City Existing Building Code.

HEXA

HEXB

Heretofore Erected Existing – Erected in accordance with the laws in effect prior to January 1, 1929, as an apartment hotel or a hotel, and subsequently maintained or altered in accordance with Chapter D10 of the New York City Existing Building Code.

HAEA

HAEB

Hereafter Erected – Originally erected or converted as a multiple dwelling in accordance with the laws in effect after January 1, 1929. This classification does not include converted dwellings or conversions subject to MDL Article 7-B. This classification falls into 3 subclasses:

·

HAEA/HAEB (1929-1968): Erected in accordance with the laws in effect before December 6, 1968 or converted prior to the effective date of the local law that added this section in accordance with the laws in effect before December 6, 1968. Such buildings were subject to MDL Article 3 and Articles 4 or 5 and the 1938 Building Code at the time of erection or conversion.

·

HAEA/HAEB (1968-2008): Erected in accordance with the laws in effect on or after December 6, 1968, and before July 1, 2008 or converted prior to the effective date of the local law that added this section in accordance with the laws in effect on or after December 6, 1968, and before July 1, 2008. Such buildings were subject to MDL Article 3 and the 1968 Building Code at the time of erection or conversion.

·

HAEA/HAEB (2008+): Erected or converted in accordance with the laws in effect on or after July 1, 2008. Such buildings are subject to MDL Article 3 and the New York City Construction Codes. This category includes conversions to multiple dwellings after the effective date of the local law that added this section subject to this code including Chapter D3, including where a multiple dwelling is altered or converted to another class or kind in accordance with Section D303.

CAA

Commercial Altered – Originally erected in accordance with the laws in effect prior to December 6, 1968, as a nonresidential building, and used prior to January 1, 1977 for 1 or more of the nonresidential purposes enumerated in MDL section 277, and subsequently converted to a multiple dwelling in compliance with the 1938 Building Code and MDL Article 7-B.

JAR

Joint Artist In Residence – Containing DUs that are classified as a “joint living work quarters for artists” under section 12-10 of the New York City Zoning Resolution. These units are located in buildings converted pursuant to the 1938 Building Code and MDL Article 7-B.

LH

Lodging House – A multiple dwelling in which persons are housed for hire in open rooms, for a single night or for less than a month.

D103.1 Determination of classification (MDL 8).

The department shall have the power to classify dwellings.