1.800.952.8808 | Contact Us Home Company Services Projects Testimonials Photo Gallery Safety DeWitt Construction Inc. has been installing deep foundations and shoring throughout the Pacific Northwest since 1979. DeWitt Projects Job Name: Modera Glisan Building Demolition and Site Prep; Shoring, Tie-backs and Underpinning; Mass Excavation; Sanitary and Storm Piping; Sidewalks and Paving Job Name: Pettygrove Building Demolition and Site Prep; Shoring, Tie-backs and Underpinning; Drilled Concrete Piles; Mass Excavation; Sanitary and Storm Piping; Sidewalks and Paving Job Name: Porter Hotel Shoring System with TieBacks; Ground Improvements; Mass Excavation; Civil Utilities Job Name: Multnomah County Court House Site Demolition; Mass Excavation; Shoring System with Tiebacks; Drilled Piers/Shafts; Storm and Sanitary Lines; Curb and Sidewalk; Paving Job Name: 250 Taylor Site Demolition; Shoring System with Tiebacks; Mass Excavation; Civil Utilities Job Name: 3rd and Ash Design Build Shoring System; Site Clearing; Earthwork and Underground Utilities Job Name: Hyatt Convention Center and Oregon Convention Center Parking Garage Auger Cast Grout Piles; Shoring; Site Clearing; Mass Excavation; Civil Utilities Job Name: Sullivans Gulch Site Clearing; Mass Excavation; Civil Utilities; Rammed Aggregate Piers; Paving Job Name: Jantzen Apartments Demolition; Earthwork-Mass Excavation; Shoring with Tieback Anchors; Paving; Site Prep; Civil Utilities Job Name: Tillamook Visitors Center Auger Cast Piers Job Name: Portland Airport QTA Steel Pipe Foundation Pile – Vibro Hammer Method Job Name: Modera Buckman Demolition; Earthwork; Shoring; Civil Utilities; Paving Job Name: Eastside Office Auger Cast Piles; Shoring and Shoring Tiebacks Other Recent Projects Multnomah County Court House/Portland, OR Sartori/Renton, WA Tillamook VC/Tillamook, OR FedEx Freight/Everett, WA Spokane Behavioral Hospital/Spokane, WA Peoples Bank/Medford, OR WA County PSB/Hillsboro, OR Expedia/Seattle, WA ARC Terminal/Portland, OR Portland & York/Portland, OR Pettygrove/Portland, OR Happy Valley Elem/Happy Valley, OR Multicare Auburn Medical Center/Auburn, WA Banner Storage/Portland, OR Hyatt/Portland, OR 3rd & Ash/Portland, OR International Paper/Springfield, OR 3rd & Taylor/Portland, OR PGE Marquam Sub/Portland, OR City of Tacoma-Banner Poles/Tacoma, WA OSU Forest Science Complex/Corvallis, OR Sullivan’s Gulch/Portland, OR Modera Buckman/Portland, OR Modera Glisan/Portland, OR Clark College Culinary Renovation/Vancouver, WA JWC WTP Expansion/Hillsboro, OR Oak Street Apartments/Tigard, OR MOST Warehouse/Portland, OR PDX Airport Concourse E/Portland, OR Expansion/Portland, OR 7 SE Stark Street Building/Portland, OR RiverPlace Parcel 3/Portland, OR Meadow Lark/Portland, OR DOT-FAA/Portland, OR Discount Tire/Oregon City, OR Columbia River Carbonates/Woodland, WA Day Wireless/Milwaukie, OR Expedia HQ Campus/Seattle, WA Jefferson Lincoln Elem/Centralia, WA Glisan Apartments/Portland, OR East Side Office/Portland, OR WSDOT Maintenance Facility/Bellevue, WA Sky Lakes Medical Center/Klamath Falls, OR 1200 Stewart St/Seattle, WA Costco HQ Campus/Issaquah, WA Jamestown S’Klallam S&J Center/Squim, WA NW Natural Glycol HX/Newport, OR Lincoln City Hospital/Lincoln City, OR Moxy Hotel/Portland, OR Tigard Hampton Inn/Tigard, OR Brio Lofts – Vibrant Cities/Portland, OR Red Rock Bio Fuels/Lakeview, OR Nippon Paper/Longveiw, WA Koz Derby Slabtown Apts/Portland, OR Poplar Way/Issaquah, WA Kennydale Reservoir/Renton, WA Weyerhauser/Longview, WA Ankeny Apartments/Portland, OR Blue Lake Substation/Troutdale, OR Columbia Self Storage/Portland, OR TRU Hotel/Portland, OR Ilani/Richfield, WA Skookumchuck Wind Farm/Rainer, WA Spring Street STP/Klamath Falls, OR Worldmark/Portland, OR Grants Pass WRP/Grants Pass, OR Holiday Park East Addition/Portland, OR Vancouver Residence Inn/Vancouver, WA KapStone Box Plant/Longview, WA PDX Airport PA & ConRAC/Portland, OR RiverCities Transit Center/Longview, WA Compass Oncology/Tigard, OR Lamb Weston/Umatilla, OR Oregon Convention Center Parking/Portland, OR Connect with Us! Toll Free 1.800.952.8808 Office 360.576.8755 Fax 360.574.8599 Email info@dewittconst.com Mailing Address PMB 201 13023 NE Hwy 99 Suite 7 Vancouver, WA 98686 We've moved! Physical Address 10311 NE 72nd Ave. Vancouver, WA 98686 OR CCB: #63072 WA CCB: #DEWITCIO55QA North Dakota: 47624 Idaho: 14479-B-4 (02210) Utah: 319021 - 5551 California: 733197 Alaska: 253441 Montana: 54973 © Copyright 2021. All Rights Reserved.