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360-622-9111

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Friday Harbor, Washington

Logo for Eco EarthWorks Excavation & Site Prep by Brien Sesby featuring an orange excavator arm outline.
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recent projects

Gallery

Before & After photos

photos

A person in a pink cap and dark clothing kneeling on gravel to operate a pipe fusion tool on black plastic pipes.
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View from an excavator cab showing a mechanical arm working near two green, circular septic tank lids in a dirt field.
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A front view of an orange Kubota tractor with its headlights on, parked in a snow-covered field during twilight.
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An orange mini excavator parked on a gravel patch near electrical utility boxes and a view of the water.
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A red and black tracked excavator with a large metal bucket parked on a gravel surface near a treeline.
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An excavator bucket pours wet concrete into a Sonotube cylindrical form set in the ground at a construction site.
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A red excavator with a hydraulic thumb attachment digs a trench in a grassy, wooded area.
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Two people stand in a deep trench installing two large, black, ribbed plastic septic tanks in an outdoor, grassy area.
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A white Link-Belt excavator parked next to a maroon and white dump truck on a dirt construction site.
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A yellow excavator gripping a long, black pipe over a wooden pallet on a gravel surface next to a building.
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A yellow Caterpillar bulldozer with grade-control masts sits on a gravel construction site.
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An orange excavator digs a trench in a wooded area, while two people stand nearby observing the work.
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A view from a grey metal ferry ramp extending over calm water toward a forested shoreline under a cloudy sky.
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A red and white excavator with a hydraulic breaker attachment works in a dirt trench within a wooded area.
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A metal pipe with a black-and-orange coupling and a mounting bracket lying on dirt and grass.
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A red excavator arm holds a black plastic septic tank over a grassy, wooded construction site.
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A yellow bulldozer spreads gravel on a construction site with trees in the background.
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A view from the driver's seat of an orange snowplow moving through a snowy, wooded road.
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A construction crane arm silhouettes against a vibrant sunset over a treelined landscape and a nearby building.
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A yellow excavator dumps soil into a black dump trailer parked on a paved driveway next to a wooden building.
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Purple tubing is coiled into circles and connected by white PVC pipes on a gravel ground with two people standing nearby.
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A flatbed trailer parked on a dirt lot carries a yellow excavator and a red excavator, with trees in the background.
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An orange UTV with a snowplow parked in a snow-covered area, with a white truck and heavy machinery nearby.
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A bright orange excavator sits on the deck of a ferry crossing calm water toward a tree-lined shore.
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Services

  • WATER SYSTEM SERVICES
  • UNDERGROUND UTILITIES
  • EXCAVATION SERVICES
  • SITE PREPARATION
  • SEPTIC INSTALLATION

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Contact

360-622-9111

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Friday Harbor, Washington

Business Hours

Mon - Fri
7:30 am - 5:00 pm
Sat - Sun
Closed

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Eco Earthworks LLC
 © 2026
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