City of Dallas, TX , TX is looking to buy goods and services. Discover all bid opportunities, RFPs, and government contracts with City of Dallas, TX.How do I bid on a City of Dallas contract? For information on the bidding process, please contact the City of Dallas Procurement Services at: (214) 670-3326. For help with registration or submitting a bid, contact BidSync. RFB Request for Bids. RFB- Request for Bids. Quarterly Report Key. We have three different ways that you can submit your proposal with the RFP process and that you can submit it in person. A local firm whose bid is within the following percentages may be considered for award over the lowest bidder (City Council ultimately decides):.