Duane Hartman & Assoc Inc is located at 16928 Woodinville Redmond Rd NE, Woodinville, WA. This location is in the Valley Industrial neighborhood. This business specializes in Land Surveyors. Duane Hartman & Assoc Inc is open Mon, 7am-5pm ; Tue, 7am-5pm ; Wed, 7am-5pm ; Thu, 7am-5pm ; Fri, 7am-5pm ; Sat, Closed ; Sun, Closed. and accepts Cash, Mastercard and Visa.