David Evans and Associates, Inc.

Name: David Evans and Associates, Inc.
Address: 20300 Woodinville Snohomish Road NE, Suite A, Woodinville, WA, 98072, US
Telephone: (425) 415-2000

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David Evans and Associates, Inc.

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Since its founding in 1976 in Portland, Oregon, David Evans and Associates, Inc. DEA has 30 offices in 9 states and employs 1,000+ people.

(DEA) has become a recognized leader for progressive and sustainable design and management solutions for complex transportation, land development, energy, and water projects nationwide. DEA’s staff includes professional engineers, surveyors, hydrographers, planners, landscape architects, and natural resources scientists. DEA is an employee-owned corporation and consistently ranks among ENR’s Top 100 Pure Design firms in the U.S.

10/15/2026

What would your day look like without water?

No morning coffee. No showers. No clean hospitals, thriving businesses, healthy waterways, or reliable fire protection.

Water powers nearly every part of our lives, but delivering it safely and reliably takes thoughtful planning, resilient infrastructure, and dedicated people working behind the scenes.

This Imagine a Day Without Water, DEA recognizes our water professionals and clients like Springfield Utility Board (SUB). In this photo, SUB staff works with DEA’s bathymetric surveying team to help better understand the river. Working together, we help communities protect this essential resource, sustain healthy watersheds, and prepare their water systems for the future.

Because a day without water affects everything.

10/12/2026

Center Drive Overlay Project reaches the finish line!

DEA is proud to have partnered with the City of DuPont to deliver these important roadway improvements, providing design and construction management services throughout the project

DEA’s Matthew Collins, PE, recently joined City leadership and project staff, funding partner Washington State Transportation Improvement Board, and contractor Miles Resources for a ribbon-cutting ceremony celebrating the completion of Phases 4A and 4B of the Center Drive Overlay Project.

Congratulations to the City of DuPont and everyone involved in bringing this project across the finish line!

10/08/2026

It’s Public Power Week!

This week, we recognize the community-owned utilities and dedicated professionals working every day to provide reliable, responsive, and locally focused service.

DEA is proud to support public power providers as they strengthen and modernize the infrastructure their communities depend on. From substations, transmission and distribution systems, and protection and control systems to energy storage and construction support, our teams help utilities prepare for today’s needs and tomorrow’s challenges.
Thank you to the public power professionals powering strong communities across the country.

Your Community. Your Utility. Your Power.

09/29/2026

Our Surveying and Geomatics Center of Excellence has a new professional land surveyor! Congratulations, Kyle Roscamp, PLS, on this major career milestone.

09/24/2026

The global economy depends on safe, efficient maritime transportation, supported by reliable marine data.

This World Maritime Day, DEA Marine recognizes the role of hydrographic surveying and marine geospatial services in advancing navigational safety, resilient coastal communities, and a thriving blue economy.

Through our partnership with NOAA: National Oceanic & Atmospheric Administration, DEA delivers critical data that improves nautical charting, strengthens ports and waterways, and supports sustainable ocean development.

Safe navigation. Sustainable growth. A stronger blue economy.

09/22/2026

10 years. One lifesaving message: See Tracks? Think Train®

This year marks the 10th anniversary of See Tracks? Think Train® Week. For a decade, Operation Lifesaver Inc. and rail safety partners across North America have worked together to raise awareness, provide rail safety education, and help prevent railroad crossing and trespass incidents.

As we recognize this milestone, here are a few reminders that can help keep everyone safe:

• Always expect a train. Trains can travel on any track, at any time, from either direction.

• Stay off the tracks. Never walk, bike or take photos on railroad tracks.

• Obey crossing signs and signals. Never drive around lowered gates or try to beat a train across the tracks.

• Stay alert. Put distractions away and cross tracks only at designated crossings.

The campaign may be celebrating 10 years, but rail safety matters every day.

Learn more: https://oli.org/about-us/public-awareness-campaigns/see-tracks-think-trainr-week

09/16/2026

We are excited to welcome two new Project Managers to our Water and Environment Business Unit at DEA.

Eric Shanley, P.E., brings more than 25 years of experience in civil engineering and public works leadership, with extensive expertise in transportation, water, and wastewater infrastructure.

Jason Brecto, PE, PMP, also brings over 25 years of engineering, infrastructure, and leadership experience across municipal, federal, military, utility, and public works organizations.

Our new team members look forward to serving local communities and supporting the continued growth of DEA’s Water and Wastewater Infrastructure practice throughout Idaho and Eastern Washington.

Please join us in welcoming Eric and Jason to DEA!

09/10/2026

DEA’s Bellevue office has new professional engineers! Congratulations, Roxanne Wilcox, PE and Kate Tomlinson, PE, on this major career milestone.

08/27/2026

Spotlighting Jason Creech, CH, who was promoted to DEA’s Director of Marine Services earlier this year!

With over 27 years of dedicated service, Jason has been a key contributor to the growth and development of DEA’s Marine Services Division. His leadership and commitment have been instrumental in advancing the Marine Services Division’s capabilities and reputation, particularly through his work strengthening partnerships with the National Oceanic and Atmospheric Administration (NOAA).

Jason’s commitment and contributions continue to make a meaningful difference for our team.

08/12/2026

DEA has new professional engineers! Congratulations, Ben Rowett, PE, Heather Pedersen, PE, PMP, ENV SP, Billy Gibbs, PE, and Jay Johnson, PE, on this major career milestone.

Address

20300 Woodinville Snohomish Road NE, Suite A
Woodinville, WA
98072

Telephone

(425) 415-2000

Website

http://www.deainc.com/

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