Industry Sector

Finance, Insurance, Real Estate

Total Companies


Est. Employment



Establishments primarily engaged in the operation of apartment buildings. apartment buildings are defined as containing five or more housing units.


SIC Code 6513 - Operators of Apartment Buildings is a final level code of the “Finance, Insurance, Real Estate” Division. There are 142,307 companies classified in this industry in the USA with an estimated employment of 755,140 people.

Industry Examples

Common types of examples within SIC Code 6513 - Operators of Apartment Buildings are:

  • Operators of apartment buildings (five or more housing units)
  • Operators of apartment hotels
  • Operators of residential hotels
  • Operators of retirement hotels


For some business types, there may be a similar industry to SIC Code 6513 - Operators of Apartment Buildings that is a better classification match.

This industry does not include hotels, rooming and boarding houses, camps, and other lodging places for transients which are classified in services, major group 70.

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Extended SIC Code Categories for SIC 6513

For business marketing and targeting, SIC Codes have been extended to provide more specific classifications within SIC Code 6513 – Operators of Apartment Buildings. Extended SIC Codes are being continuously updated to reflect the current business environment.

6-digit SIC

  • 651301 Condominiums
  • 651302 Boarding Houses
  • 651303 Apartments
  • 651304 Apartment Rental Agencies
  • 651305 Retirement Apartments & Hotels
  • 651307 Apartments-Short Term
  • 651398 Operators Of Apartment Buildings

7-digit SIC

  • 6513001 Apartments
  • 6513001 Operators Of Apartment Buildings
  • 6513002 Retirement Apartments & Hotels
  • 6513003 Apartment Hotels Operations
  • 6513004 Residential Hotel Operators
  • 6513005 Condominiums
  • 6513006 Boarding Houses
  • 6513007 Apartment Rental Agencies
  • 6513008 Apartments-Short Term

8-digit SIC

  • 65130000 Apartment Building Operators
  • 65139901 Apartment Hotel Operation
  • 65139902 Residential Hotel Operation
  • 65139903 Retirement Hotel Operation