HiGrade Asphalt & Sealcoat

About Us

About Us

classic higrade gas truck

      HiGrade Construction Ashpalt was started in 1985 by Ed & Enid Duncan. The company has grown into a well known provider of asphalt paving for King and Pierce Counties. In 2002, HiGrade expanded into the landscape materials business creating a retail yard specializing in beauty bark, soils, compost and gravels.


     Today HiGrade is a corporation that provides top quality asphalt paving and maintenance for all residential and commercial needs throughout Western Washington.

HiGrade Sealcoat truck

      HiGrade has been family owned and operated since 1985 offering over 25 years of experience. Over the years we have developed top notch work ethics that have made us master's of our craft.

Contact Us

Contact Us

Edgewood Office:

113 Meridian Avenue East

Edgewood, WA 98371

(253) 952-3905


Ocean Shores Office:

875 Minard Avenue Northwest

Ocean Shores, WA 98569

(360) 289-3286


Mailing Address:

900 Meridian Avenue East

Suit 19

Milton, WA 98354


Email: higradeinc@gmail.com



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  • University Of Washington
  • Sound Transit
  • Puyallup Tribe of Indians
  • Washington Dept. of Fish & Wildlife
  • Washington Dept. of Parks & Rec.
  • City of Tacoma
  • Puyallup School District
  • Target
  • Firestone
  • Toys R' Us
  • Les Schwab
  • The Commons Mall at Federal Way
  • QFC Grocery
  • St. Andrews Golf Course
  • Ocean Shores Community Club
  • City of Ocean Shores
  • American Red Cross
  • Ascension Lutheran Church
  • Lakehowen Utility District