NAICS 561720: Janitorial Services
Covers cleaning building interiors: offices, restrooms, common areas, and specialized cleaning (carpets, windows from inside) on a contract or fee basis. The workhorse code for government custodial contracts.
What work falls under NAICS 561720
- Recurring custodial/janitorial contracts in government buildings
- Day-porter services
- Post-construction and turnover cleaning
- Disinfection and specialized interior cleaning programs
How to win contracts under this code
- Register in SAM.gov with 561720 as a primary or secondary NAICS code, and confirm you're under the size standard for set-aside eligibility.
- Set a SAM.gov saved search for NAICS 561720 filtered to your set-aside types and places of performance.
- Build a capability statement that leads with this code and your most relevant past performance.
- For each solicitation, build a compliance matrix before writing — most losses under this code are compliance losses.
Bidding on a NAICS 561720 solicitation?
Generate your capability statement and compliance matrix free — no account required.
Frequently asked questions
Is janitorial work usually set aside for small business?
Frequently yes — including 8(a), HUBZone, and SDVOSB set-asides. Janitorial is one of the most common first federal contracts because agencies buy it everywhere and accept commercial past performance.
Does the Service Contract Act apply to 561720 contracts?
Almost always on federal work over $2,500. Wage determinations set minimum wages and health & welfare benefits for custodial categories — price from the determination attached to the solicitation.
Full industry guide: Janitorial Services Government Contracts — including state-by-state pages for Texas, California, Florida, and more.