Mighty Arm ExcavationExcavating contractor in Bellevue, WA

Mighty Arm Excavation is ranked #2 of 196 excavating contractors in Bellevue by CR Score, with 59 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.

Mighty Arm Excavation is open 24 hours a day, 7 days a week. Its listed hours are Open 24 hours, 7 days a week. On Saturdays it is open Open 24 hours, and on Sundays Open 24 hours. Hours come from the business listing; holiday hours may differ.

Serves Bellevue and 11 towns within 25 miles: Kirkland, Redmond, Mercer Island, Sammamish, West Lake Sammamish, Inglewood-Finn Hill, Kingsgate, Seattle, Newcastle, City of Sammamish and Union Hill-Novelty Hill. 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.

Mighty Arm Excavation has a rating of 5.0 from 12 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 Mighty Arm Excavation on (206) 657-7738. The business is at 3255 115th Ave NE Suite 355, Bellevue, WA 98004. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.