- Sacrificial Anode
- Sale-Leaseback
- Sales Concession
- Sales Contract
- Saltbox Style
- Sanitary Sewer
- Sash
- Schematic Designs
- Sconce
- Second Mortgage
- Secondary Mortgage Market
- Secured Loan
- Security
- Seller Carry-Back
- Seller Financing
- Seller Rent-Back
- Seller Take-Back
- Seller's Market
- Selling Agent
- Semi-Custom Home
- Septic System
- Service Conductor
- Service Entrance Conductor
- Servicer
- Setback
- Settlement or Closing Fees
- Settlement Statement
- Severalty
- Severance
- Shake
- Shared-Appreciation Mortgage
- Shared-Equity Transaction
- Sheathing
- Shed Ceiling
- Shed Roof
- Shingle Ripper
- Shingle Style
- Shingles
- Shiplap
- Shoe Molding
- Shutoff Valve
- Shutters
- Sidelights
- Siding
- Sill
- Sill Cock
- Sill Plate
- Sill Sealer
- Simple Assumption
- Single Agent
- Single-Pole Switch
- Sink Trap
- Skylight
- Slab Foundation
- Slider Window
- Snubber
- Soffit
- Soils Test
- Sole Plate
- Solid-Core Door
- Soundboard
- Spanish Mission Style
- Special Assessment
- Special Deposit Account
- Specifications
- Speculation Home
- Splash Block
- Spline
- Split-Level Style
- Square Footage
- Standard Metropolitan Statistical Area (SMSA)
- Standard Payment Calculation
- Starter Home
- Steel Framing
- Step-Rate Mortgage
- Stigmatized Property
- Stiles
- Stool
- Stop
- Storm Sewer
- Storm Window
- Straight Purchase
- Strata Fee
- Strike Plate
- Stucco
- Studs
- Subagent
- Subcontractor
- Subdivision
- Subflooring
- Subject-To
- Subordinate Loan
- Subsequent Rate Adjustments
- Subsequent Rate Cap
- Sump Pump
- Surround
- Survey
- Swale
- Sweat Equity