Map for Los Osos/Baywood Park Chamber of Commerce Search | Advanced Search | New Members | Coupons and Discounts | All Categories Business & Professional Services >> Chambers of Commerce Los Osos/Baywood Park Chamber of Commerce P.O. Box 6282Los Osos, CA 93412 | directions (805) 528-4884 | fax: (805) 528-8401 Visit Site If your business isn't here, contact us today to get listed!