Contact HM Brown Castle Rock Give us a call or drop us a line! We’d love to help you explore your options and find the best car at the best price. New or used, buy or lease, we’ve got you covered. Our office is here in Castle Rock. You can find us at: 1001 S Perry St. #105 Castle Rock, CO 80104 Phone: 720-770-5600 Fax: 720-770-5604 Centennial Location: 6377 S. Revere Parkway Centennial, CO 80111 Fill out the form below and we’ll be in touch with you shortly. Name First Last PhoneEmail Person that referred youTell us a little bit about what you're looking for.CommentsThis field is for validation purposes and should be left unchanged. This iframe contains the logic required to handle Ajax powered Gravity Forms.