Watched King County Procurement Webinar

Watched King County Goods & Services Supplier Orientation from Eventbrite

King County now offers a Goods & Services Supplier Orientation. During this 2-hour session, we’ll discuss:

Registering as a King County supplier, opting-in to County rosters, and certifying as a small firm
How King County buys goods & services
What to expect when submitting a bid or proposal to King County
Best practices for maximizing your opportunities
E-Procurement Supplier Portal introduction

About King County Procurement

Three types of procurement:

  1. Architecture & Engineering
  2. Construction & Public Works
  3. Goods and Services

2021: procured $1.2 billion of goods and services

Mission = reflect values in environment, equity, and economical (get best value)

Environmental procurement policies: Sustainable Purchasing Policy & Strategic Climate Action Plan

Vaccination required for all contractors that do business on site

Small Contractor and Supplier Certification

County-funded project use Small Contractor and Supplier (SCS) Certification — used by King Co, Sound Transit, Port of Seattle, Seattle Colleges

FastTrack SCS — automatic certification for WMBE firms

SCS Programs:

  • Fair Market Range — for general goods and services — $50k and above required to take lowest bid — non-SCS suppliers have a 5-10% multiplier added to low bids
  • Accelerator — for technical consulting services — reserves specific goods and technical services solicitations for SCS firms only — SCS = prime (must complete 51% of the work)
  • SCS Incentive — for technical consulting services — primes who use SCS subs get extra points on their proposal

Open to brand new businesses

State and Federally-funded Projects

State and Federally-funded projects use the funding requirements — often Federal MWBE, DBE, UDBE, and SBE certification

Federal certifications may be useful if want to work in other states

SBE set-aside — small biz enterprise = prime — for FTA & FAA projects (Federally-funded transportation and aviation projects)


  • Free registration
  • Small biz opportunities
  • Online bidding
  • Self-service supplier portal — can update profile
  • Access to historical online bid data

Upload W-9 during registration

NAICS codes used to invite suppliers — be sure to enter all applicable codes — tutorial available to find applicable codes

Lets you get on County rosters during registration

Be sure to both register and certify — and respond to solicitations

All procurements completed through e-procurement portal

King County Contracting Process


  • $10,000 — “Direct Buy” — County Agencies can make purchases with no competitive requirement
  • $10,000-$50,000 — “Informal Solicitation” — invitation only, minimum 3 suppliers — pick providers from roster to invite
  • $50,000+ — Publicly advertised bidding opportunity

Advertised through e-procurement portal and newspapers:

  • solicitation abstract (can see without being logged in)
  • supplier portal invitation — through NAICS codes
  • newspapers — Seattle Times, Seattle Medium, NW Asian Weekly, DJC
  • Twitter & LinkedIn
  • Some also included in Washington State WEBS

When you get invited, it will send you an email that you can accept or decline to participate — can change mind up until deadline

Insurance requirements vary depending on the type of procurement / project — will have different minimums

Types of Procurement

ITB = Invitation to Bid — when they know exactly what they’re looking for — awarded based on price from the “lowest responsive and responsible bidder”

RFP = Request for Proposal — submit the best solution to achieve the agency’s desired outcome / objective — award based on “best value”

RFQ = Request for Qualification — pre-qualifies suppliers based on their SOQ and places them on a Master Contract Roster (for use at a later date)

RFI = Request for Information — asks for input from industry pros for potential upcoming solicitations — no award

Submitting Your Bid / Proposal


  • Ask questions via email (only talk to agency staff before advertised, otherwise ask Contract Specialist)
  • Preproposal / pre-bid meetings
  • Addendum — must review, revise, resubmit your response acknowledging the addenda if you submitted before addenda released
  • Submit
  • Evaluation
  • Award / Negotiation / Contract Execution

Evaluation process for RFP / RFQ:

  • Service level
  • Experience
  • Sustainability
  • Timeline
  • Technology
  • Small business
  • Price

If not awarded, can request evaluation feedback

Getting Paid

Purchase Order (ACH deposit or check; NET30)

P-card — paid instantly (works like a credit card)

Invoice must include:

  1. PO number
  2. Supplier name
  3. Remit address
  4. Invoice number
  5. Date
  6. Total amount due (including tax)

Send invoice to

Tips for Success

  • Certify as SCS
  • Ask questions during solicitation
  • Attend pre-bid meetings
  • Request bid / proposal feedback

By Tracy Durnell

Writer and designer in the Seattle area. Freelance sustainability consultant. Reach me at She/her.

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