Of 422 ratings posted on 4 verified review sites, Hammond Knoll has an average rating of 4.76 stars. This earns a Rating Score™ of 96.60.
Top Rated Local® Business in Washington (#48 in 2018)
Top Rated Local® Business in Washington, Carpet Cleaners (#3 in 2018)
Top Rated Local® Business in Washington, Carpet Cleaners (#1 in 2019)
Top Rated Local® Business in Washington (#5 in 2019)
Top Rated Local® Business in Washington (#50 in 2020)