Keystone Building Services LLCHome builder in Anacortes, WA

Keystone Building Services LLC is ranked #16 of 187 home builders in Anacortes by CR Score, with 54 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.

Keystone Building Services LLC is open Monday to Friday. Its listed hours are Monday to Friday, 9 AM – 4 PM. It is closed on Saturdays and closed on Sundays. Hours come from the business listing; holiday hours may differ.

Serves Anacortes and 11 towns within 40 miles: Burlington, Mount Vernon, Oak Harbor, Sedro-Woolley, Bellingham, Sudden Valley, Stanwood, Camano, Ferndale, Port Townsend and Birch Bay. 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.

Keystone Building Services 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 Keystone Building Services LLC on (360) 210-1309. The business is at 909 26th St, Anacortes, WA 98221. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.