Gillis Construction LLCExcavating contractor in Trumbull, CT

Gillis Construction LLC is ranked #30 of 215 excavating contractors in Trumbull by CR Score, with 53 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.

Gillis Construction LLC is open Monday to Friday. Its listed hours are Monday to Friday, 9 AM – 5 PM. It is closed on Saturdays and closed on Sundays. Hours come from the business listing; holiday hours may differ.

Serves Trumbull and 12 towns within 25 miles: Meriden, Wallingford, Wallingford Center, Middletown, Cheshire Village, Cheshire, Portland, Cromwell, North Haven, Kensington, Hamden and New Britain. 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.

Gillis Construction LLC has a rating of 5.0 from 6 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 Gillis Construction LLC on (203) 452-9302. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.