The link below is to the SIC directory and lists SIC codes related to leasing real estate property for residential purposes. There are different SIC codes for apartment buildings, dwellings other than apartment buildings, operators of residential mobile home sites, and lessors of real property, not elsewhere classified.
You can also click the screenshot below to see the SIC directory for Real Estate.
https://siccode.com/en/siccode/list/directory/search_keyword/65
