| Business | Phone |
| Auditor-Auto Licensing 1 Ne 7th St, Coupeville 98239 | (360) 679-7368 |
| Island County Assessor 1 Nw 7th St, Coupeville 98239 | (360) 679-7303 |
| Island County Auditor 1 Ne 7th St, Coupeville 98239 | (360) 321-5111 |
| Island County Treasurer 1 Ne 7th St, Coupeville 98239 | (360) 679-7302 |