| Business | Phone |
| Humboldt County Assessor 50 W 5th St, Winnemucca 89445 | (775) 623-6310 |
| Humboldt County Auditor 50 W 5th St 203, Winnemucca 89445 | (775) 623-6467 |
| Humboldt County Commissioner 50 W 5th St 205, Winnemucca 89445 | (775) 623-6300 |
| Humboldt County Sr Citizen Tax 50 W 5th St, Winnemucca 89445 | (775) 623-6313 |
| Humboldt County Treasurer 50 W 5th St, Winnemucca 89445 | (775) 623-6444 |