COTS Property Tax Software Licensing

San Mateo County is seeking to procure a commercial off-the-shelf property tax software solution to replace its outdated legacy system, with the goal of enhancing efficiency and accuracy in core tax administration functions including tax roll extension, charge calculations, and state and local reporting requirements. The procurement is structured as a subcontract under NAICS code 511210, and responses must be submitted by August 8, 2026. The software must be fully compatible with existing workflows and capable of meeting all statutory and regulatory reporting obligations without significant customization. The contract will cover licensing rights for the selected solution, ensuring the county may deploy, maintain, and update the system across all relevant departments. The procurement is open to vendors who can demonstrate proven experience in delivering robust, scalable property tax software to public sector clients, with an emphasis on system reliability, data security, and support infrastructure. The solution must be deployable within the county’s existing technical environment and capable of integrating seamlessly with other financial and administrative systems.