Excavation & Site Prep

  • Excavation/Grading
  • Demolition
  • New Construction Site Prep
  • Stump Removal
  • Retention Systems
  • Land Clearing
  • Road & Driveways
  • Ponds
  • Culverts
  • Foundation Dig Out
  • Drainage
  • Backfill
  • Utility Trenching
  • Concrete Flat Work
  • City Water & Sewer Connection
  • Permits


Manufactured & Modular Home Site Prep

Serving Whatcom County since 1986, Coast Construction specializes in complete site development for manufactured and modular homes. Our experienced crews are Washington-State certified installers and certified by the National Association of Home builders and we have completed hundreds of installations. 

We can perform any of the specific services listed below, or even put together a complete turnkey package uniquely tailored to your site. A project manager is assigned to your site to ensure that your project is running smoothly and to keep you updated on the status of the job. Multiple crews ensure the fastest possible completion of your project.

  • Permits
  • Site Prep
  • Concrete Slab
  • Drainage
  • Utility Trenching
  • Decks
  • Water & Sewer Hookups
  • Garage/Carport
  • Footings
  • Block, Wood Or Hardi Skirting
  • Electrical hookups Utility
  • Patios
  • Sidewalks
  • Tiedowns