- Saint Michaels Street
- Samuel Crescent
- Sarah Street
- Sargent Road
- Seed House Lane
- Serenity Street
- Shelley Street
- Sherman Court
- Sierra Crescent
- Silver Pond Drive
- Silvercreek Drive
- Sims Gate
- Sinclair Avenue
- Sixth Line
- Smith Drive
- Snowberry Crescent
- Split Maple Lane
- Standish Street
- Steeles Avenue
- Stevens Crescent
- Stewart Maclaren Road
- Stewarttown Road
- Stockman Crescent
- Stone Street
- Stonebrook Crescent
- Sumach Trail
- Summit Lane
- Sutcliff Lane