Outpatient Mental Health and Substance Abuse Centers: NAICS 621420
Browse federal contract opportunities classified under NAICS code 621420 (Outpatient Mental Health and Substance Abuse Centers). Find active solicitations on SAM.gov, understand size standards, and discover set-aside opportunities for your business.
About NAICS 621420
Outpatient Mental Health and Substance Abuse Centers. This industry falls under the Health Care and Social Assistance sector (NAICS codes beginning with 62).
Federal agencies use NAICS code 621420 when posting contract opportunities on SAM.gov to classify the type of work being solicited. Businesses that operate in the outpatient mental health and substance abuse centers space should include this code in their SAM.gov registration and capability statements to ensure they appear in relevant searches.
How to Use NAICS 621420 in Federal Contracting
To compete for federal contracts under NAICS 621420, your business should be registered in SAM.gov with this NAICS code listed in your entity profile. When agencies post solicitations for outpatient mental health and substance abuse centers work, they reference this code to determine the applicable small business size standard and any set-aside eligibility.
If you hold certifications such as 8(a), HUBZone, SDVOSB, or WOSB, you may be eligible for set-aside contracts under this NAICS code. These set-asides limit competition to certified small businesses, giving you a significant advantage in winning federal work.
FedOverwatch monitors SAM.gov daily and can automatically match you with new opportunities under NAICS 621420. Set up your profile with your NAICS codes and certifications to receive personalized contract alerts.
NAICS 621420 Market Intelligence
Based on 3 years of federal award data from USAspending.gov, the outpatient mental health and substance abuse centers market has seen 3,749 contract awards totaling $167.7M in value. The median contract size is $18K, with approximately 104 new awards per month.
Total Awards (3yr)
3,749
Total Value
$167.7M
Median Contract
$18K
Competitors
126
Contract value distribution
2,669 small business awards ($90.7M total value,$19K median)
126 companies compete for NAICS 621420 contracts
See who's winning, their award values, and where you fit in the market
Explore CompetitorsSize Standards
The SBA establishes size standards for each NAICS code to define what qualifies as a "small business" for federal contracting purposes. For NAICS 621420 (Outpatient Mental Health and Substance Abuse Centers), the size standard is based on either average annual receipts or number of employees, depending on the specific industry. Meeting the size standard for your primary NAICS code is required to qualify for small business set-aside contracts.
Visit the SBA Size Standards Table to find the current threshold for NAICS 621420.
Recent NAICS 621420 Opportunities
View all →The United States District Court for the Central District of California is soliciting proposals for substance abuse and mental health treatment services for federal defendants and offenders in San Luis Obispo County. The services will cater to individuals under supervision, including those on probation, supervised release, or parole, and the contract will be established as a Blanket Purchase Agreement for a term of twelve months with potential extensions. Proposals are due by August 20, 2026.
The Department of Justice is procuring services for mental health and substance abuse centers in Monroe, LA, specifically for the Bureau of Prisons. The opportunity is set aside for small businesses, and the incumbent contractor is Heritage Partners Consulting LLC.
The United States Probation and Pretrial Servic
The Administrative Office of the US Courts is procuring substance use treatment services for the Eastern District of Texas. The requirement includes substance use assessments and counseling for patients at mental health and substance abuse centers in Denton, Texas. Providers must have available facilities within the catchment area and employ qualified professionals.
The United States Probation and Pretrial Servic
The United States Probation and Pretrial Servic
The United States Probation and Pretrial Services . Agree
The United States Probation and Pretrial Servic
The United States Probation and Pretrial Servic
The United States Probation and Pretrial Servic
Frequently Asked Questions
What is NAICS code 621420?
How many federal contracts use NAICS 621420?
How to find contracts for NAICS 621420?
What is the SBA size standard for NAICS 621420?
Get NAICS 621420 contracts delivered to your inbox
Set up your profile with your NAICS codes and certifications, and FedOverwatch will automatically match you with relevant outpatient mental health and substance abuse centers opportunities as they're posted on SAM.gov.