Rock River CoExcavating contractor in Harwich, MA

Rock River Co is ranked #2 of 47 excavating contractors in Harwich by CR Score, with 58 out of 100 as of November 2026. The score weighs reputation, credentials, review volume, recency, availability, trade focus, proximity, claimed profile, partnered and ContractorsRanked reviews. No business can pay to change its rank.

Rock River Co is open Monday to Saturday. Its listed hours are Monday to Saturday, 7 AM – 5 PM. On Saturdays it is open 7 AM to 5 PM and closed on Sundays. Hours come from the business listing; holiday hours may differ.

Serves Harwich and 10 towns within 25 miles: South Yarmouth, Yarmouth, Yarmouth Port, West Yarmouth, Hyannis, Barnstable, Eastham, Centerville, Marstons Mills and Mashpee. The list is based on the business's location and the usual service radius for excavating and grading. Confirm your address is covered when you call.

Rock River Co has a rating of 5.0 from 26 Google reviews. The CR Score adjusts the star rating for review count, so a high rating from a few reviews counts for less than the same rating from many.

Call Rock River Co on (508) 237-9757. The business is at 156 Queen Anne Rd, Harwich, MA 02645. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.