# HCG Associates > HCG Associates - Structural Engineers general contractors ## Pages - [Home](https://hcgassociates.com/) - [HCG Associates - Structural Engineer, Seismic Retrofit](https://hcgassociates.com/about) - [Structural Engineer - HCG Associates](https://hcgassociates.com/services) - [Northern California Structural Engineers - HCG Associates](https://hcgassociates.com/contact-us) - [Deck Inspection](https://hcgassociates.com/deck-inspection) ## Contact Location: 1300 1st Street suite 368, Napa, California, USA Email: keith@hcgassociates.com Phone: 707-726-2371 ## Social Media - [Facebook](https://www.facebook.com/258143937599282) - [Linkedin](https://www.linkedin.com/in/darrel-harris-05229715)