Back to top

Transportation Procurement and Bidding

Discussing a Contract
Doing Business with Cobb DOT

Click here to see a list of current RFPs and bid requests.


Prequalified Engineering and Specialty Firms

The Cobb County Board of Commissioners has approved the Department of Transportation's Prequalified List of Engineering and Associated Specialty Firms for use or procurement of Professional Services for the 2022-2023 prequalification period.  The prequalification period will be begin on May 12, 2022 and expire on May 11, 2024.  The latest Prequalified List of Engineering and Associated Specialty Firms can be found by clicking below.

Prequalified Firms and Area Classes

If you are NOT prequalified with Cobb County Department of Transportation and are interested in knowing more, please email

Pre-Construction Task Order Contracting

For more information on Cobb DOT's Task Order Contracting process, please view the special informational webinar conducted on January 31, 2022.

RFP Responses/Bids/Bonds

Cobb DOT requires Contractors to create Digital IDs and submit bids online through BidExpress.

Vendors are strongly encouraged to use an electronic bid bond number online with their bid through BidExpress. Vendors should contact Surety 2000 or Surepath to set this up and get a valid bid bond number.  Bid bond numbers will be verified through BidExpress and Vendors will be notified immediately if the bid bond number is not valid.

It is free to view bids online using BidExpress. It is also free to download as many digital IDs as you need to submit bids. But, there is a $25 per bid submission fee that is paid to BidExpress. Vendors may also choose to do a monthly subscription of $50 for unlimited bids. Vendors using BidExpress will get electronic notification of all bid addendums.

Vendors that purchased bid documents from BidExpress will be listed on the BidExpress website.

Disadvantaged Business Enterprise Participation Policy & Goals

Transit Program DBE Goal

The Transit Division of Cobb County DOT has determined a proposed Disadvantaged Business Enterprise (DBE) goal in accordance with regulations of the Federal Transit Administration (FTA), 49 CFR Part 26.45, as it relates to estimated FTA funds to be expended on relevant projects over the next three fiscal years (FY21, FY22 and FY23). The following links provide access to view a presentation on the calculation methodology and to review responses to questions received.

DBE Virtual Outreach Event for Transit Program held on April 30, 2020 (click to view event video)

Q&As from Virtual Event (April 30, 2020)

Cobb DOT DBE Program Plan

Cobb County DOT has established a DBE Program Plan in accordance with U. S. Department of Transportation regulations (49 Code of Regulations Part 26). The plan can be accessed by clicking the link below.

Cobb DOT Program Plan (May 10, 2022)

DBE Contractor List

All DBEs in Georgia are certified by the Georgia Department of Transportation or MARTA. Cobb County does not maintain a listing of certified DBE contractors.