Gregg Construction Claim Listing Return to Directory Rating (average) (0) Business Genre Contractor, Homes Business Website Address greggconstruction.com Business Address, City PO Box 1573, Estes Park ZIP Code 80517 Business Phone Number 9705860639 Ratings There are no reviews yet. Please login to leave a review. Please login to claim this listing. Username*: Email*: Password*: Log in | Lost your password?