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Harold MacQuinn, Inc.

For nearly 80 years Harold MacQuinn, Inc. has been serving Ellsworth, Blue Hill, Lamoine, Mount Desert and all of Hancock County with commercial, residential, municipal and industrial site work, excavation, aggregates and general contracting services.

In 1933 Harold MacQuinn started digging in the dirt. Upon Harold's retirement in the mid 1970's, his son, Ronald became president of the company. Today Harold MacQuinn, Inc is still family-owned and operated by third generation Paul MacQuinn. True to the company’s founders, Paul continues to build and uphold the company’s reputation for high standards in road, sewer, site work and other heavy construction. With its office in Ellsworth, Maine, Harold MacQuinn, Inc. operates with an experienced team of management and employees who take pride in good workmanship, quality materials, high standards in safety and flawless execution. They have been recognized for several regional and national awards including most recently the Associated Constructors of Maine Major Achievements in Construction Award.

Screened & Processed Materials

  • Sand
  • Screened Gravel
  • Loam
  • Crushed Stone

Site Work

  • Excavation
  • Grading
  • Sewer
  • Water Lines
  • Driveways
  • Utilities
  • Drainage
  • Tennis Courts


  • Foundation Site Preparation
  • Floors/Slabs/Sidewalks
  • Seawalls
  • Fireplace/Chimneys
  • Granite Block
  • Stone Retaining Walls
  • Piers
  • Stone Embankments

Insured and Bonded
Free Consultations
Free Estimates

Harold MacQuinn, Inc. continues to strive toward excellence through commercial, industrial, municipal and residential earth work with quality materials and outstanding service. Learn more at

117 MacQuinn Road
Hancock, Maine   04640
Phone: 207-667-4653

Harold-MacQuinn, Mount Desert Island Site Work and Excavation Contractors

Harold MacQuinn, Road Construction, Gravel, Sand, Crushed Stone, Aggregate, Screened Products

Harold MacQuinn, Septic Systems, Hardscapes, Tennis Court Construction, Retaining Walls, Shoreline Stablization

Harold MacQuinn,Hancock County Maine Residential, Commercial, Industrial General Contractor Services