- Sole plate
- Sole plate
- Solid bridging
- Sonotube
- Sound attenuation
- Space heat
- Spacing
- Span
- Spec home
- Specifications or Specs
- Splash block
- Square
- Square
- Squeegie
- Stack (trusses)
- Stair carriage or stringer
- Stair landing
- Stair rise
- Standard practices of the trade(s)
- Starter strip
- Static vent
- STC (Sound Transmission Class)
- Steel inspection
- Step flashing
- Stick built
- Stile
- Stool
- Stop box
- Stop Order
- Stop valve
- Stops
- Storm sash or storm window
- Storm sewer
- Story
- Strike
- String, stringer
- Strip flooring
- Structural floor
- Stub, stubbed
- Stucco