Underground

Underground Utilities and Ditchwork/Trenching

Here in the Northwest, having good and reliable underground utilities is critical. Seppanen Construction will look to accomplish that for you, whether it be through gas trenching, installing a water line, or any of our many underground services.

There are several underground utilities we are qualified for and ready to do:

• New construction or remodel sewer connections
• Water lines
• Power
• Phone
• Gas trenching
• Drainage piping
• Infiltration trenches (required for storm water disposal dig and backfill)
• Septic Systems
• Septic to Sewer Conversion
• French Drains

Contact us to find out more information, or give us a call at (360) 263-7950!