Cornerstone Home ImprovementHome builder in Ellington, CT

Cornerstone Home Improvement is ranked #6 of 204 home builders in Ellington by CR Score, with 57 out of 100 as of October 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.

Cornerstone Home Improvement is open 7 days a week. Its listed hours are Monday to Thursday, 9 AM – 9 PM; Friday, 9 AM – 9:30 PM; Saturday and Sunday, 9 AM – 9 PM. On Saturdays it is open 9 AM to 9 PM, and on Sundays 9 AM to 9 PM. Hours come from the business listing; holiday hours may differ.

Serves Ellington and 12 towns within 40 miles: Portland, Middletown, Cromwell, East Haddam, Glastonbury Center, Glastonbury, Wethersfield, Hebron, Kensington, Newington, Meriden and New Britain. The list is based on the business's location and the usual service radius for home building. Confirm your address is covered when you call.

Cornerstone Home Improvement has a rating of 5.0 from 4 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 Cornerstone Home Improvement on (413) 588-6876. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.