Consultant services

Find architectural and engineering contracts for design and construction projects. We also manage a portion of personal services contracts for transportation studies, media and public involvement.

The Washington State Department of Transportation is required (by 49 Code of Federal Regulation Part 26.11) to maintain information on the firms that bid on WSDOT projects or projects administered by other local agencies with pass-through federal funding.

Following is a brief survey that will help us ensure we have the most current information for this requirement. This survey should take less than five minutes to complete.

Latest COVID-19 guidance for industry partners

COVID-19 Vaccine Declaration (PDF 29KB)
Vaccination Mandate Chart - September 30, 2021 (PDF 130 KB)
Proclamation 21-14 – COVID-19 Vaccination Requirement (PDF 47KB)
CSO-ACO Proclamation Resources (PDF 43KB)
Vaccine Mandate FAQ – See “Contract Management Materials” section at the bottom of the document.


Contracting opportunities - Open, closed, awarded and pending advertisements

Consultant pre-qualification


Sole Source & Emergency Contracts

Consultant Services news

Effective immediately - ASRB approval is no longer required for hiring, major equipment purchases or contracts.

DBE, SBE and M/WBE & Veteran Owned business information

UDBE Minority contracting news (PDF 60KB) - September 2020

UDBE/SBE/MSVWBE Participation Reporting - (B2GNOW reporting system. Note: Use this first. If you can not locate your agreement number in the B2GNOW system, please use the form provided below)

UDBE/SBE/MSVWBE Participation Reporting - (complete this form if your agreement number can not be found in the B2GNOW system)

Form 226-016 (PDF 68KB) - Underutilized Disadvantaged Business Enterprise (UDBE) Written Confirmation

Form 271-057 (PDF 76KB) - Written certification of total amounts paid for Consultant agreements as DBE participation

Form 271-051 (DOCX 90KB) - Project Office DBE On-Site Review for Architect & Engineering/Professional Services Firms

Agreements & general information

Refer to the Consultant Services Manual for guidance concerning the authorization, selection, and use of consultants for Personal Services and Architectural and Engineering (A&E) contracts and/or supplements.

The process of second tier competition is being used when selecting firms to perform work from Consultant Services on-call roster.

Find available on-call agreements available at this time and the rates acceptance and sub approval process.

See the procedures and assessments required to maintain a process that is federally compliant even if only state funding is available, and to ensure that all consultants and the public see a process as open, fair, competitive (as much as possible) and transparent maintain.

If you plan on contracting with WSDOT, see the business requirements (PDF 16KB).

The Organizational Conflicts of Interest Manual is guidance on managing and reducing organization conflicts of interest.

Things to consider when co-locating WSDOT and a consultant firm.

Where WSDOT advertises

WSDOT advertisements are commonly found in the Seattle Daily Journal of Commerce and on the Washington’s Electronic Business Solution website (WEBS).

Periodically, advertisements are placed in regional publications such as A/E Consultant Information Network, Integrated Marketing Systems, The Spokesman Review, The Yakima Herald Republic, The Tri-City Herald, and The Wenatchee World.

See our approved consultant list for right-of-way services and learn how to submit an application.

Select a consultant from a list of available on-call agreements and find the rate submittal for review and approval process.

This information is intended to be used by WSDOT and consultant firms considering a co-location arrangement. The information provided was developed by a joint WSDOT and ACEC (American Council of Engineer Companies) committee.

The Washington State Department of Transportation (WSDOT) solicits interest from consultants who wish to be prequalified to provide professional services for WSDOT. Firms that complete the prequalification process will be eligible to compete for select WSDOT projects.

Find consultant services contact information.

The process of second tier competition is being used when selecting firms to perform work from Consultant Services on-call roster.

Find information used throughout the consultant selection process. These procedures and assessments help maintain a process that is federally compliant even if only state funding is available and ensuring all consultants and the public see the process as open, fair, competitive and transparent.

Zero emission electric vehicle registrations in Washington

increased 192% between 2017 and 2021.

45 projects to improve freight rail structures and freight movement

were underway as of December 31, 2021.

Washington state leveraged $100,000 to secure $27 million

in funding for airport investments in Fiscal Year 2022.