Sno Valley Underground

Sno Valley Underground Specializing in septic system installs and repair . Licence # SNOVAVU766NB. Serving King, Snohomish and Skagit Counties

We got this subsurface drip drainfield dug in before it started raining again!
09/02/2026

We got this subsurface drip drainfield dug in before it started raining again!

A plastic BNR 600 septic system getting ready to go into the hillside here in Enumclaw.
08/31/2026

A plastic BNR 600 septic system getting ready to go into the hillside here in Enumclaw.

Wrapping up the week with a set of septic tanks for a BNR 750 system. Later we will ad an Oscar coil drainfield to go wi...
08/21/2026

Wrapping up the week with a set of septic tanks for a BNR 750 system. Later we will ad an Oscar coil drainfield to go with them!

A killer view at the office today in bellevue! If you squint you can see the space needle!
08/20/2026

A killer view at the office today in bellevue! If you squint you can see the space needle!

A quick water service install here in Maltby today. It will service a new ADU on the property.
08/19/2026

A quick water service install here in Maltby today. It will service a new ADU on the property.

Ended this week backfilling a low pressure drain system and a set of 1500 gallon septic tanks out here in Duvall!
08/14/2026

Ended this week backfilling a low pressure drain system and a set of 1500 gallon septic tanks out here in Duvall!

Sometimes the rocks come in handy! This clearstream septic system is backfilled and ready to go!
07/23/2026

Sometimes the rocks come in handy! This clearstream septic system is backfilled and ready to go!

It is a tight fit to get this BNR600 septic system installed in this Woodinville back yard, but we managed to make it ha...
07/20/2026

It is a tight fit to get this BNR600 septic system installed in this Woodinville back yard, but we managed to make it happen! Ground protection mats minimize the impact to the existing landscape.

Address

Maltby, WA

Telephone

+19715066670

Website

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