Kitsap County Treasurer

The County Treasurer holds a key position of public trust in the financial affairs of local government. Acting as the "bank" for the county, school districts, fire districts, water districts, and other units of local government; the treasurer's office receipts, disburses, invests, and accounts for the funds of each of these entities.

We hope you find our website useful. Should you have questions or comments, please contact us at 360.337.7135 or send us an email to

We now offer FREE Electronic Check payments for taxes through 

InvoiceCloud accepts the following payment types:

The Kitsap County Treasurer's Office is open for in person assistance:

​Monday - Friday​9:00am - 4:00pm

By Phone
:                                                                             By Email:


By Regular Mail:

PO Box 169, Port Orchard, WA 98366

By Drop Box or FedEx/UPS:

619 Division St, Port Orchard, WA 98366

There is a silver drop box in front of the Administration Building for Property Tax Payments. It is emptied several times per day with the last pickup being 2:30pm. If you would like a receipt, you must include a self addressed stamped envelope. DO NOT put cash in the drop box.

There is also a drop box inside the building by the Treasurer's office that is emptied several times a day. 

 Peter J. Boissonneau

Image of Kitsap County Treasurer, Peter J. Boissonneau

 Property Taxes

Tax Statements:
Mailed in February
​​Tax Payments:

Property taxes must be paid or postmarked by the due dates below:

First Half- April 30

​Second Half- October 31

Payment Options

Annual Treasurer's Letter

 ‭(Hidden)‬ Important Dates

​Tax Statements:
The 2017 tax statements will be mailed February 13, 2017.

Tax Payments:
First half must be paid or postmarked by April 30.

Second half must be paid or postmarked by October 31.

 ‭(Hidden)‬ Did You Know?

The Kitsap County Treasurer services 43 junior taxing districts.

We processed 10,250 real estate excise transactions in 2016!