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Purchasing and Contracting - Table of Contents

This page provides links to all of MRSC's resources related to purchasing, bidding, and contracting for local governments in Washington State.


Your Statutory Requirements

  • Find Your Contracting Requirements – Interactive tool to help you identify your agency's statutory competitive bidding requirements for any type of project; select your project and agency type.

General Information

  • Contracting and Competitive Bidding – Basic overview of contracting requirements, including types of projects, bid limits and different levels of competition, federally funded projects, and conflicts of interest.
  • Procurement Policy Guidelines – Guidelines to help local agencies adopt and update their procurement policies, and examples of policies adopted by other jurisdictions.
  • Competitive Bidding Exemptions – Information about situations when competitive bidding may be waived, such as emergencies, sole source purchases, special facilities or market conditions, auctions, and more.

Goods & Services

  • Purchasing Materials, Equipment, and Supplies – Overview of purchasing procedures and requirements, including bid limits, vendor lists, purchase orders, telecommunications and electronic data processing, and shipping and freight.
  • Intergovernmental Procurement and "Piggybacking" – Information about using another agency's procurement contract, known as "piggybacking."
  • Personal Services Contracts – Overview of bidding procedures for "personal services," which are mostly intellectual in nature (such as consultants or legal services) and do not include architecture and engineering services.
  • Purchased Services Contracts – Overview of bidding procedures for "purchased services," which are usually repetitive, routine, or mechanical in nature, support the agency's day-to-day operations, and involve minimal decision-making (such as herbicide application or recycling pickup).
  • Professional Architecture and Engineering Service Contracts – Overview of qualifications-based selection (QBS) process when contracting for professional architecture, engineering, landscape architecture, or surveying services.
  • Also see our Contracting for Services publication and Personal Services Contracting Manual for Ports below under Publications.

Public Works


Publications

​MRSC has written several detailed and downloadable PDF publications regarding purchasing and contracting:

  • City Bidding Book – Addresses competitive bidding requirements and processes for purchases, services, and public works contracts.
  • County Bidding Book – Addresses competitive bidding requirements and processes for purchases, services, and public works contracts.
  • Small Works Roster Manual – E-publication. Comprehensive overview of the small works roster process for contracts under $350,000. Note that this publication is now formatted as a series of webpages rather than a PDF file.
  • Public Works Contracting Best Practices – Detailed publication provides helpful tips for public works contracting, focused primarily on the traditional design-bid-build model. Addresses ethics, competition, bid documents, contract award and administration, potential pitfalls, and more.
  • Contracting for Services – Guidance on selecting architectural and engineering consultants under chapter 39.80 RCW and on contracting for personal and purchased services.
  • Personal Services Contracting Manual for Ports – Addresses personal services contracting requirements for port districts in chapter 53.19 RCW, adopted by the state legislature in 2008.
  • Conservation District Handbook - Guidelines for Purchasing, Bidding, and Contracting – Includes general guidance for procuring goods, services, and public works, as well as prevailing wage considerations unique to such districts.

Recent Blog Posts

  • Recent blog posts about purchasing and contracting – Articles written by MRSC staff and contributors about specific aspects of purchasing and contracting, including best practices and new legislation. Articles are listed in reverse chronological order, with the most recent first.

Sample Documents


Training Opportunities

MRSC periodically produces webinars and in-person training workshops on various purchasing and contracting topics. For a list of all our upcoming events, see our Upcoming Trainings page.


Last Modified: February 19, 2025