Sno Valley Underground

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

This sand lined pressure bed drainfield in Duvall is ready for inspection!
06/09/2026

This sand lined pressure bed drainfield in Duvall is ready for inspection!

With a 3" transport line, low volume will not be able problem for this low pressure septic system here in King County.
06/05/2026

With a 3" transport line, low volume will not be able problem for this low pressure septic system here in King County.

Thanks to the help of Callaway and Sons excavation and there big machine, we got this septic tank hole dug in no time he...
05/29/2026

Thanks to the help of Callaway and Sons excavation and there big machine, we got this septic tank hole dug in no time here in Woodinville.

A quick driveway re surfacing we did for a customer after backfilling their septic system in woodinville.
05/29/2026

A quick driveway re surfacing we did for a customer after backfilling their septic system in woodinville.

A little bit of a storm drainage project going on here on Cugar Mountain!
05/29/2026

A little bit of a storm drainage project going on here on Cugar Mountain!

We had just a enough good weather to install this microfast ATU septic system in Maltby this week. Luckily just a few f...
05/15/2026

We had just a enough good weather to install this microfast ATU septic system in Maltby this week. Luckily just a few finishing touches are left as the rain is starting!

I had the crew check the soil conditions. They said "it's time to DIG!!!"
05/08/2026

I had the crew check the soil conditions. They said "it's time to DIG!!!"

We finished digging this big drainfield in North Bend today! Lots of big rocks 🪨
05/06/2026

We finished digging this big drainfield in North Bend today! Lots of big rocks 🪨

Despite a car sized rock in the way and a blown hydraulic line set back, we still managed to get this set of septic tank...
05/01/2026

Despite a car sized rock in the way and a blown hydraulic line set back, we still managed to get this set of septic tanks in the ground! A good way to end the week!

Address

Maltby, WA

Telephone

+19715066670

Website

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