Giant Builders SeattleGeneral contractor in Seattle, WA

Giant Builders Seattle is ranked #47 of 1,409 general contractors in Seattle by CR Score, with 59 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.

Giant Builders Seattle 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 Seattle and 11 towns within 25 miles: Mercer Island, Bellevue, White Center, Kirkland, Boulevard Park, Riverton, Bryn Mawr-Skyway, Newcastle, Burien, Inglewood-Finn Hill and Tukwila. The list is based on the business's location and the usual service radius for general contracting. Confirm your address is covered when you call.

Giant Builders Seattle 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 Giant Builders Seattle on (425) 944-5460. The business is at 125 Boren Ave S, Seattle, WA 98144. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.