2022 NAICS national industry in sector 53 Real Estate and Rental and Leasing

531130 Lessors of Miniwarehouses and Self-Storage Units

NAICS 531130 is the US industry code for lessors of miniwarehouses and self-storage units. It covers establishments primarily engaged in renting or leasing space for self-storage.

Code: 531130 (2022 NAICS)
Title: Lessors of Miniwarehouses and Self-Storage Units
Part of: Lessors of Real Estate
SBA small business limit: Average annual receipts up to $34 million (plus 1 exception, below)
Closest UK SIC: 68100 (details)

Changes coming. The NAICS 2027 revision applies to data from 1 January 2027, and SBA proposed new size standards on 20 August 2026. The values on this page are the ones in force today; we update this page when the official files change.

Official definition

This industry comprises establishments primarily engaged in renting or leasing space for self-storage. These establishments provide secure space (i.e., rooms, compartments, lockers, containers, or outdoor space) where clients can store and retrieve their goods.

Source: US Census Bureau, 2022 NAICS descriptions.

When to use a different code

Census classifies these close-sounding activities somewhere else. Businesses mainly engaged in:

Operating public and contract warehousing and storage facilities (except self-storage) are classified in Industry Group 4931, Warehousing and Storage.
Operating coin- or card-operated lockers are classified in Industry 812990, All Other Personal Services.

Source: US Census Bureau, 2022 NAICS cross-references.

Businesses that use this code

Activities listed under 531130

The Census index assigns these 9 activities to this code. If your business matches one, this is your code.

Equity real estate investment trusts (REITs), primarily leasing miniwarehouses and self-storage units
Lessors of miniwarehouses
Lessors of self-storage units
Miniwarehouse rental or leasing
Real estate rental or leasing of miniwarehouses and self-storage units
Self-storage unit rental or leasing
Self-storage warehousing
U-lock storage
Warehousing, self-storage

Source: US Census Bureau, 2022 NAICS index file.

SBA size standard for 531130

To count as a small business for SBA loans and federal contracts under NAICS 531130, your business (including affiliates) must not exceed $34 million in average annual receipts. Check your business.

Exceptions within 531130
Activity	Size standard
Leasing of Building Space to the Federal Government by Owners	$47 million

SBA footnote 9: NAICS codes 531110, 531120, 531130, and 531190 – Leasing of building space to the Federal Government by Owners: For Government procurement, a size standard of $47.0 million in gross receipts applies to the owners of building space leased to the Federal Government. The standard does not apply to an agent.

Source: SBA table of size standards, effective March 17, 2023.

Closest UK SIC 2007 codes

There is no official one-to-one link between NAICS and UK SIC. These codes share the same international class (ISIC Rev. 4: 6810), so treat them as a starting point and check the definition.

68100Buying and selling of own real estateUK SIC

Built from Census concordances 2022→2017 NAICS and 2017 NAICS→ISIC Rev. 4.

Similar codes to compare

Data last changed November 14, 2026. How this page is built.