Foundation repairs, retaining walls, piling systems

Kenmore Retaining Wall


Here we had a dry stack block retaining wall that was improperly constructed at the bottom of a 150’ tall & very steep hillside.  We stabilized the existing retaining wall with 2” pin piles and helical tieback anchors so we could safely build a new shotcrete wall in front.  Once the new structural wall was in place, masons came in and faced the wall with an architectural stone. Helical Anchors provided by Helical Supply LLC.

helical supply

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Foundation repair testimonial

“I want to thank you for the wonderful job you did for me on my duplex.  I do not have a single complaint.  A particular loving shout out to Levi who kindly led the…read more

Retaining Wall testimonial

“I’d been looking for someone to stabilize and level my back yard off and on for about ten years and, before I found Dochnahl, I was getting pretty frustrated with the level of knowledge…read more

Seatac retaining wall

Dochnahl Construction constructed a wood and piling retaining wall in back yard of a Seatac home.  The yard had almost 2’ of slope in less than 20’ rendering it tough to use.  The owner…read more