If so, make sure to review the rules and restrictions first:
Oregon: http://www.oregon.gov/boli/TA/pages/t_faq_taminors.aspx
http://www.oregon.gov/boli/WHD/CLU/docs/employmentminorsbrochure2012.pdf
Washington: http://www.lni.wa.gov/WorkplaceRights/TeenWorkers/default.asp;
www.lni.wa.gov/IPUB/700-022-000.pdf
And remember, special rules apply to hiring minors under the age of 14.