"Prevailing Setback" is a phrase used to define the front yard regulations for RA, RE, RS, R1, and R2 zoned lots. The Prevailing Setback Calculator can be used to estimate the minimum front yard depth.
For more information on prevailing setback, view our "Determining Front Yards, When Subject to the Prevailing Setback Regulation" Information Bulletin.
Go to the Prevailing Setback Calculator
The following "Yard Calculator" calculates required side, rear, and front yards for new residential buildings on interior lots.
Download "Yard Calculator" (Excel file)