CONTACT WILLIAMS BUILDING COMPANY Don't hesitate to get in touch with us with questions about your next building project. We're happy to provide any assistance you need. Please use the form at right to reach us. You can also contact us by mail, phone, or fax: Williams Building Co. 196 Old Town House Road West Yarmouth, MA 02673 Tel: (508) 394-3644 Fax: (508) 394-3266 your name address part 1 address part 2 (if needed) city state ZIP code your e-mail your phone number project description Enter project description here. type of services requested Enter type of services requested here. any other comments or questions Enter comments and / or questions here.