Active SLED Opportunity · CALIFORNIA · CONTRA COSTA COUNTY

    Property Tax Assessment Appeals Digital Platform

    Issued by Contra Costa County
    countyRFPContra Costa CountySol. 9368968954
    Open · 9d remaining
    DAYS TO CLOSE
    9
    due Aug 14, 2026
    PUBLISHED
    Jul 17, 2026
    Posting date
    JURISDICTION
    Contra Costa
    county
    NAICS CODE
    541512
    AI-classified industry

    AI Summary

    Contra Costa County seeks vendors to develop and deploy a digital platform for managing property tax assessment appeals. This RFP requires end-to-end software development and implementation services with electronic bid submission.

    Opportunity details

    Solicitation No.
    9368968954
    Type / RFx
    RFP
    Status
    Active
    Level
    county
    Published Date
    July 17, 2026
    Due Date
    August 14, 2026
    NAICS Code
    541512AI guide
    Agency
    Contra Costa County

    Description

    The Contra Costa County (“County”) is seeking qualified and experienced vendors to design, configure, develop, implement, test, and deploy a Property Tax Assessment Appeal Digital Platform that supports the end-to-end administration of assessment appeals. **Solicitation Type**: RFP - Request for Proposal (Formal) **Source ID**: PU.AG.USA.2749388.C18641151 **Piggyback Contract**: No **Question Acceptance Deadline**: 08/07/2026 06:00 PM EDT **Questions are submitted online**: Yes **Bid Submission Type**: Electronic Bid Submission **Owner Organization**: DoIT **Solicitation Number**: RFP_F-Contr-0000000253 **Reference Number**: 0000430733 **Pricing**: In attached document **Bid Documents List**: | Item Name | Description | Mandatory | Limited to 1 file | |---|---|---|---| | Bid Documents | Documents defining the proposal | Yes | No |

    Key dates

    1. July 17, 2026Published
    2. August 14, 2026Responses Due

    AI classification tags

    Frequently asked questions

    SLED stands for State, Local, and Education. These are solicitations issued by state governments, counties, cities, school districts, utilities, and higher education institutions — as opposed to federal agencies.

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