The Kitsap County Law Library is located on the first floor of the county courthouse, at 614 Division Street in Port Orchard. Its hours are 8:30 am to 4:30 pm, Monday through Friday. The phone number is (360) 337-5788.
A good starting place for legal research on any topic is Washington Law Help, a service of the Northwest Justice Project.
You can find Washington statutes, regulations, and cases online ... all at official Washington sites and and at no charge.
Forms and information about family law cases and other matters can be found at the County Clerk's web site.