NAICS 531120: Lessors of Nonresidential Buildings (except Miniwarehouses)
This industry comprises establishments primarily engaged in acting as lessors of buildings (except miniwarehouses and self-storage units) that are not used as residences or dwellings. Included in this industry are: (1) owner-lessors of nonresidential buildings; (2) establishments renting real estate and then acting as lessors in subleasing it to others; and (3) establishments providing full service office space, whether on a lease or service contract basis. The establishments in this industry may manage the property themselves or have another establishment manage it for them.
This industry comprises establishments primarily engaged in acting as lessors of buildings (except miniwarehouses and self-storage units) that are not used as residences or dwellings. Included in this industry are: (1) owner-lessors of nonresidential buildings; (2) establishments renting real estate and then acting as lessors in subleasing it to others; and (3) establishments providing full service office space, whether on a lease or service contract basis. The establishments in this industry may manage the property themselves or have another establishment manage it for them.
Not in this code
Establishments primarily engaged in acting as lessors of buildings used as residences or dwellings are classified in Industry 531110, Lessors of Residential Buildings and Dwellings.
Establishments primarily engaged in renting or leasing space for self-storage are classified in Industry 531130, Lessors of Miniwarehouses and Self-Storage Units.
Establishments primarily engaged in managing nonresidential real estate for others are classified in U.S. Industry 531312, Nonresidential Property Managers.
Establishments primarily engaged in providing a range of office support services, such as mailbox rental, other postal and mailing (except direct mail advertising) services, document copying services, facsimile services, word processing services or on-site personal computer rental, that are not providing office space are classified in Industry 56143, Business Service Centers.
Establishments primarily engaged in managing and operating arenas, stadiums, theaters, or other related facilities and promoting and organizing performing arts productions, sports events, and similar events at those facilities are classified in Industry 711310, Promoters of Performing Arts, Sports, and Similar Events with Facilities.
Establishments primarily engaged in operating public and contract warehousing and storage facilities (except self-storage) are classified in Industry Group 4931, Warehousing and Storage.
Establishments primarily engaged in providing colocation services (i.e., rental of server and networking space in data centers) are classified in Industry 518210, Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services.
SBA size standard
A business is small under NAICS 531120 if it has no more than $34 million in average annual receipts (averaged over the last five completed fiscal years, including affiliates).
Exceptions:
Leasing of Building Space to the Federal Government by Owners: $47 million in average annual receipts
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Source: SBA Table of Size Standards, effective 2023-03-17. Always check the size standard printed in the solicitation itself.
Who buys it
Departments that posted the most NAICS 531120 solicitations in the last two years:
General Services Administration · 104 solicitations
Veterans Affairs · 45 solicitations
Department of Defense · 44 solicitations
Agriculture · 38 solicitations
Administrative Office of the US Courts · 2 solicitations
Seeking Competitive Lease Proposals –- Management Hub Office Space -- in in Atlanta, GA - Request for Lease Proposals No. 26NAT02 · General Services Administration · Georgia · posted September 28, 2026
Lease of Office Space within Houston, TX. Request for Lease Proposals (RLP) #26NAT01 · General Services Administration · Texas · posted September 28, 2026
Seeking Competitive Lease Proposals – Administrative Office Space in in Atlanta, GA - Request for Lease Proposals No. 26NAT02 · General Services Administration · Georgia · posted September 28, 2026
Lease of Office Space within Atlanta, Georgia. Request for Lease Proposals (RLP) #26NAT01 · General Services Administration · Georgia · posted September 28, 2026
Lease of Office Space. Request for Lease Proposals (RLP) #26NAT01 - Office Space · General Services Administration · Ohio · posted September 28, 2026
General Services Administration (GSA) seeks to lease 8,161 USF- 8,405 USF of office space in South Portland, Maine. Please see attachments for requirements and RLP Package. · General Services Administration · Maine · posted September 28, 2026
Anchorage Air Force Reserve Recruiting Office · Department of Defense · Alaska · posted September 25, 2026
Seeking Competitive Lease Proposals – Administrative Office Space in in Philadelphia, PA - Request for Lease Proposals No. 26NAT02 · General Services Administration · Pennsylvania · posted September 24, 2026
Do this kind of work?
Send XL Eagle your price on an open lessors of nonresidential buildings (except miniwarehouses) job. We write and submit the bid under our registrations. If we win, you do the work at your price. No fees.
NAICS 531120 is Lessors of Nonresidential Buildings (except Miniwarehouses). This industry comprises establishments primarily engaged in acting as lessors of buildings (except miniwarehouses and self-storage units) that are not used as residences or dwellings. Included in this industry are: (1) owner-lessors of nonresidential buildings; (2) establishments renting real estate and then acting as lessors in subleasing it to others; and (3) establishments providing full service office space, whether on a lease or service contract basis. The establishments in this industry may manage the property themselves or have another establishment manage it for them.
What is the SBA size standard for NAICS 531120?
The size standard for NAICS 531120 is $34 million in average annual receipts. Firms at or under it count as small businesses for contracts assigned this code.
Are there government contracts for lessors of nonresidential buildings (except miniwarehouses)?
Yes. 17 government contracts are open under NAICS 531120 right now, and 170 were posted in the last 12 months.
Can I bid on NAICS 531120 contracts without registering in SAM.gov?
You need an active SAM.gov registration to win a federal contract in your own name. If you would rather skip that, XL Eagle can bid as the prime contractor using your price, and you do the work as our subcontractor.
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