This month, the Dallas County and Collin County tax offices will mail property tax statements to Richardson residents, based on values set by the county appraisal districts as of Jan. 1, 2026. The City of Richardson contracts with both counties for the collection of property taxes, and property owners will receive a statement from the county in which their property is located.   

Payment Information

Collin County residents may pay City, Collin County and Plano Independent School District taxes at the:

Dallas County residents may pay City and Dallas County taxes at the:  

Dallas County residents may pay Richardson Independent School District taxes at: 

  • Richardson ISD Tax Office
    420 S. Greenville Ave.
    Richardson, TX 75081
    Phone: 469-593-0500
    Online: Make RISD Tax Payments 

All property tax payments must be postmarked no later than Jan. 31, 2027.