Keith,
Sales Price will depend on several factors, including the subdivision, condition and age of house, schools, etc. However, MLS data for MEDIAN sales price of 3 BR Plano homes between 2,000-2,500 sqft as follows:
Jan 2019 $324,000 Jan 2020 $344,000
Feb 2019 $307,250 Feb 2020 $331,000
March 2019 $313,793 March 2020 $333,875
April 2019 $315,000 April 2020 $332,250
May 2019 $317,000
June 2019 $320,000
These stats are for all of Plano and not specific to the area of your house. You could have your agents give you a CMA to provide a better estimated sales price.
Hope this helps,
Terry