Washington County Public Affairs Forum
- Offers weekly speakers who discuss social, economic, or political issues that relate to the county.
- http://www.washingtoncountyforum.org

Washington County History
- Brief overview of the early development of Washington County and its territorial structure.
- http://arcweb.sos.state.or.us/county/cpwashingtonhome.html

Washington County Historical Museum
- Museum exhibits and art gallery that share the cultural history of Washington County. Has calendar with information about upcoming events and a list of exhibits on display.
- http://www.newashcohist.org/museum.asp

Washington County, Oregon Genweb
- Oregon genealogy resource with online records, county references, queries, and lookups.
- http://www.rootsweb.com/~orwashin/Washington.htm