Find guidance and support on how to work extensively with numerous partners in the private sector to build, improve and maintain the State's transportation infrastructure.
The Contract Services Office supports those efforts through the administrative contracts and consultant services offices.
- Administrative Contracts - manage information technology (IT) goods and services, interagency agreements, and some professional service agreements such as training or special studies.
- Consultant Services – manage WSDOT’s architectural & engineering (A&E) contracts and other professional service agreements such as scientific studies and economic analysis.
Find contracting opportunities that include engineering contracts for design and construction projects, service contracts for transportation studies and media. Review open, closed, awarded, and pending advertisements.
Architectural & Engineering services are also advertised in the Seattle Daily Journal of Commerce and periodically 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.
Professional service are advertised through Washington State's common vendor registration and notification system called the Washington Electronic and Business Solution (WEBS). Vendors can register for free in WEBS.
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 information on Consultant Pre-qualification.
DBE, SBE and M/WBE & Veteran Owned business information
The Office of Equity and Civil Rights diverse business programs contains information about how to become a certified firm, programs available to firms, and project goal attainment information.
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.
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.
RCW 39.34, the Interlocal Cooperation Act, provides the authority for Washington state agencies to contract with other governmental entities. This law includes a requirement for either filing Interlocal agreements with county recording offices or publishing a list of all such contracts. See the list of Interlocal, Intergovernmental and Interagency Agreements (PDF 71KB)
Request a copy of a contract
To request records and copies of contracts, fill out a Public Disclosure Form (DOCX 25KB). Please submit a detailed description of the requested records including as much information as possible.
Submit your request to:
Records & Information Services
PO Box 47410
Olympia, WA 98504-7410
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