To remove decimals from property size and property lot size navigate to Theme Options > General > General Settings and set 0 to Properties Size & Lot Size – no of decimals option.

For older versions than 1.80

To remove decimals from measurement units must change number format for size value to not include decimals.

Help for number format issue: http://php.net/manual/en/function.number-format.php

Screenshot with the place where must change it

wp-content/themes/wpresidence/libs/help_functions.php

Original code with 2 decimals

Modified code with 0 decimals

Change thousand separator, ex “1,248” instead of  “1 248” , apply the thousand separator in the code