NAICS Code 541350: Building Inspection Services
NAICS code 541350 is the industry for building inspection services in the Professional, Scientific, and Technical Services sector. Agencies tag every federal contract with a NAICS code, so this is the code to list in your SAM.gov registration and to search for bids.
Government contracts under NAICS 541350
Federal agencies obligated $553M on contracts under NAICS 541350 from FY2024 to FY2026, including $212M in FY2026. The biggest buyers were the Department of Homeland Security, the Department of Defense, the Department of Health and Human Services. The largest contractors were WSP USA Services Inc., Vanguard Inspection Services, Jll-Rer Solutions, LLC.
See the full breakdown: government building inspection services contracts, who wins and who buys.
Open government bids for NAICS 541350
The newest open notices from SAM.gov. Bidding needs a free SAM.gov registration.
- H212--Annual Test/Inspection of FireFly Device and Door Drop Cleveland VA Medical CenterClosing soon
Veterans Affairs, Department of · Combined Synopsis/Solicitation · NAICS 541350 · OH · Service-Disabled Veteran-Owned Small Business (SDVOSB) Set-Aside (FAR 19.14)
Posted Oct 30, 2026 · Responses due Nov 4, 2026
Veterans Affairs, Department of · Solicitation · NAICS 541350 · KS · Small Business Set Aside - Total
Posted Oct 30, 2026 · Responses due Nov 10, 2026
Veterans Affairs, Department of · Combined Synopsis/Solicitation · NAICS 541350 · TX · Service-Disabled Veteran-Owned Small Business (SDVOSB) Set-Aside (FAR 19.14)
Posted Oct 29, 2026 · Responses due Nov 9, 2026
Small business size standard for NAICS 541350
To bid on small business set-aside contracts under NAICS 541350, your business must be small under the SBA size standard for this code, measured either by average annual receipts or by number of employees. The values are updated periodically, so check the current SBA table of size standards before you bid.
Other NAICS codes in 5413
- NAICS 541310: Architectural Services
- NAICS 541320: Landscape Architectural Services
- NAICS 541330: Engineering Services
- NAICS 541340: Drafting Services
- NAICS 541360: Geophysical Surveying and Mapping Services
- NAICS 541370: Surveying and Mapping (except Geophysical) Services
- NAICS 541380: Testing Laboratories and Services
How to choose the right NAICS code
Pick the 6-digit code that best describes what you sell. List it as your primary code in SAM.gov, and add other codes for related work. Agencies choose one NAICS code for each contract, so check the codes on past awards for the kind of work you do. Search all codes in the NAICS code lookup.
Related guides
Frequently asked questions
- What is NAICS code 541350?
- NAICS 541350 is the industry "Building Inspection Services" in the North American Industry Classification System, part of the Professional, Scientific, and Technical Services sector (54).
- What is the size standard for NAICS 541350?
- The SBA sets a small business size standard for each NAICS code, either average annual receipts or number of employees. Check the current value for 541350 in the SBA table of size standards on sba.gov; it changes from time to time.
- Are there government contracts for NAICS 541350?
- Yes. Federal agencies obligated $553M on contracts under NAICS 541350 from FY2024 to FY2026, and 3 notices are open right now.