Swan Engineering, Inc Return to Directory Contact Justin Swanson Address 4470 Yankee Hill Rd Ste 200 City Rocklin State CA ZIP Code 95677 Business Phone 1 916 474-5299 Business Fax 1 916 474-5139 CSLB Number https://www2.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=957747 Specialty Ditching & Trenching Contractors, Excavating, Commercial, Gas & Water Pipelines, Sewer Contractors, Storm Drains