Hours Of Operations Benchmark Incorporated Washington D.C. Benchmark Incorporated Hours of Operation and Locations in Washington D.C. 4.6 - 135 votes 1 Locations in Washington D.C. www.bench.com Benchmark Incorporated Hours Category: Home & Garden Benchmark Incorporated - Washington, DC 20007 3248 Prospect St Nw(202) 965-3983 View Store Details Recommend For You Bentley Prince Street Brinkley Garage Doors Brinkley Garage Doors & Gates Brothers Market C & T Corporation Capital Stores Carpet & Air Duct Cleaning Carpet & Company Carpet & Duct Cleaning Carpet & Rug Cleaning