| Business | Phone |
| Alcohol & Drug Care Svc 1335 C St, Eureka 95501 | (707) 445-1391 |
| Alcohol & Drug Care Svc 528 5th St, Eureka 95501 | (707) 445-1369 |
| Crossroads Drug & Alcohol 1205 Myrtle Ave, Eureka 95501 | (707) 445-0869 |
| Healthy Moms Program 2910 H St, Eureka 95501 | (707) 441-5220 |
| Al-Anon Family Groups Po Box 6425, Eureka 95502 | (707) 443-1419 |
| Alcohol & Drug Care Svc 2109 Broadway St, Eureka 95501 | (707) 442-4815 |
| Alcoholics Anonymous Po Box 7102, Eureka 95502 | (707) 442-0711 |
| Humboldt Recovery Center 1024 N St, Eureka 95501 | (707) 443-0514 |
| Humboldt Recovery Center 1303 11th St, Eureka 95501 | (707) 443-4237 |
| Lee Brown Program 217 14th St, Eureka 95501 | (707) 268-0264 |
| Mojo's 119 W 6th St, Eureka 95501 | (707) 444-2370 |