Treasurer, Unclaimed Property Section 

P. O. Box 860358
Plano, TX 75086

(972) 941-7312


Link: Learn more about unclaimed property here.

You can also contact the Treasurer in person at the City of Plano on regular business days between 9:00am - 4:00pm at 1520 Ave K, Ste. 370, Plano, TX 75074