NAICS Code 531110 — Lessors of Residential Buildings and Dwellings

National Industry in the official 2022 North American Industry Classification System (U.S. Census Bureau). It is the only national industry under 53111 (Lessors of Residential Buildings and Dwellings).

Code	531110
Title	Lessors of Residential Buildings and Dwellings
Level	National Industry (6-digit)
Edition	NAICS 2022 edition
SBA size standard	$34 million in average annual receipts (SBA footnote 9)

Official definition (2022 NAICS)

This industry comprises establishments primarily engaged in acting as lessors of buildings used as residences or dwellings, such as single-family homes, apartment buildings, and town homes. Included in this industry are owner-lessors and establishments renting real estate and then acting as lessors in subleasing it to others. The establishments in this industry may manage the property themselves or have another establishment manage it for them.

Is a business under 531110 "small"?

Under the SBA size standards (13 CFR 121.201, effective March 17, 2023), a business classified in NAICS 531110 qualifies as a small business if it does not exceed $34 million in average annual receipts. Small-business status determines eligibility for federal set-aside contracts, SAM.gov certifications and SBA loan programs — receipts are averaged over the latest 5 fiscal years.

This industry is subject to SBA footnote 9, which may add exceptions or special measurement rules — check the official SBA size standards table for the full text.

Where 531110 sits in the hierarchy

Level	Code	Title
Sector	53	Real Estate and Rental and Leasing
Subsector	531	Real Estate
Industry Group	5311	Lessors of Real Estate
NAICS Industry	53111	Lessors of Residential Buildings and Dwellings
National Industry	531110	Lessors of Residential Buildings and Dwellings

Related SIC codes

Via the official U.S. Census concordance (1987 SIC ↔ NAICS), shown only where the industry definition is unchanged in NAICS 2022.

SIC code	Title
6513	Operators of Apartment Buildings
6514	Operators of Dwellings Other Than Apartment Buildings
6531	Real Estate Agents and Managers

Data: official 2022 NAICS structure, descriptions and Census concordances, U.S. Census Bureau — U.S. government works in the public domain (17 U.S.C. §105). Suggested reference, not an official determination.