NAICS 621420: Outpatient Mental Health and Substance Abuse Centers
Outpatient Mental Health and Substance Abuse Centers is NAICS code 621420. A business is small under it with $19 million or less in average annual receipts. 3 federal contracts are open on SAM.gov under this code right now.
- SBA size standard
- $19 million or less in average annual receipts
- Open contracts now
- 3
- Federal spending, FY2025
- $50.4 million
- Share won by small businesses
- 56%
- Small businesses registered
- 1,230
Open federal contracts for outpatient mental health and substance abuse centers
- 15BCTS25Q00000014 - SU/MH/SOT in Wichita, KS
✦ The Federal Bureau of Prisons (Community Treatment Services office) wants a small business to provide outpatient substance use disorder, mental health and sex offender treatment…
Due in 7 daysOct 12, 2026
- 15BCTS25Q00000015 - SU/MH/SOT in Rapid City, SD
✦ The Federal Bureau of Prisons wants a small business to provide outpatient substance use, mental health and sex offender treatment for men and women at the Residential Re-entry…
Due in 7 daysOct 12, 2026
- TREATMENT SERVICES 2026-2027
✦ The U.S. Courts' Administrative Office posts an ongoing pre-solicitation notice saying federal courts plan to buy treatment services for defendants and people under supervision…
Due in 221 daysMay 15, 2027
What NAICS 621420 covers
The Census Bureau's NAICS index lists these kinds of work under 621420:
- Alcoholism treatment centers and clinics (except hospitals), outpatient
- Detoxification centers and clinics (except hospitals), outpatient
- Drug addiction treatment centers and clinics (except hospitals), outpatient
- Mental health centers and clinics (except hospitals), outpatient
- Outpatient mental health centers and clinics (except hospitals)
- Outpatient treatment centers and clinics (except hospitals) for substance abuse (i.e., alcoholism, drug addiction)
- Outpatient treatment centers and clinics for alcoholism
- Outpatient treatment centers and clinics for drug addiction
- Psychiatric centers and clinics (except hospitals), outpatient
- Substance abuse treatment centers and clinics (except hospitals), outpatient
Read the full definition, including what's excluded, on census.gov.
SBA size standard for 621420
To count as a small business for a contract assigned NAICS 621420, your business must have $19 million or less in average annual receipts. Receipts are averaged over your last five completed fiscal years.
From SBA's table of size standards, effective Mar 17, 2023. Confirm it with SBA's size standards tool before you certify your size.
Who buys outpatient mental health and substance abuse centers
Agencies that awarded the most under NAICS 621420 over the last three fiscal years, per USAspending.gov:
| Agency | Obligated |
|---|---|
| Federal Prison System / Bureau of Prisons | $118 million |
| Indian Health Service | $22.2 million |
| Department of Veterans Affairs | $1.9 million |
| Defense Health Agency | $1.3 million |
| Pretrial Services Agency | $853,003 |
| Department of the Air Force | $415,494 |
| Department of the Army | $134,300 |
| Substance Abuse and Mental Health Services Administration | $60,000 |
Open notices right now come from Department of Justice (2) and Administrative Office of the US Courts (1).
Set-asides on open 621420 contracts
- Total small business set-aside: 2
- No set-aside (full and open): 1
Not sure which set-asides you qualify for? Try the free SBA certification screener, or read set-aside contracts, explained.
Your competition
1,230 businesses with active SAM.gov registrations are rated small under NAICS 621420, most of them in Texas (145), Florida (98), Georgia (95), California (79) and Maryland (72). Look any of them up with the free CAGE code and UEI lookup.
Federal spending under 621420 by year
| Fiscal year | Contract obligations |
|---|---|
| FY2024 | $41.1 million |
| FY2025 | $50.4 million |
| FY2026 | $51.5 million |
| FY2027 (so far) | $0 |
Source: USAspending.gov, all contract awards with this NAICS code. Fiscal years start October 1.
Related NAICS codes
- 621410 Family Planning Centers
- 621491 HMO Medical Centers
- 621492 Kidney Dialysis Centers
- 621493 Freestanding Ambulatory Surgical and Emergency Centers
- 621498 All Other Outpatient Care Centers
Frequently asked questions
What is NAICS code 621420?
621420 is the 2022 NAICS code for Outpatient Mental Health and Substance Abuse Centers. The Census Bureau's index lists work such as alcoholism treatment centers and clinics (except hospitals), outpatient, detoxification centers and clinics (except hospitals), outpatient, drug addiction treatment centers and clinics (except hospitals), outpatient under it. Federal contracting uses the 2022 codes.
What is the SBA size standard for NAICS 621420?
$19 million or less in average annual receipts. A business at or under that is small for contracts assigned this code. The current SBA table took effect Mar 17, 2023.
Are there government contracts for outpatient mental health and substance abuse centers?
Yes. 3 federal contract opportunities under NAICS 621420 are open on SAM.gov right now. Agencies obligated about $50.4 million under this code in fiscal year 2025, according to USAspending.gov.
How do I add NAICS code 621420 to my SAM.gov registration?
Update your entity registration on SAM.gov and add the code on the Goods and Services page, in the Assertions section. You can list several NAICS codes and mark one as your primary. Changes are free.
Keep going
- Search other NAICS codes by keyword or company
- How to choose NAICS codes for government contracts
- NAICS codes with the most open federal contracts
FedReady is an independent company, not affiliated with SBA, SAM.gov, the Census Bureau or any government agency. Open-contract counts come from SAM.gov and update daily; spending figures come from USAspending.gov.