| SAAQS |
State Ambient Air Quality Standards |
| SACC |
Spatial Analysis Coordinating Committee |
| SAF |
Society of American Foresters |
| SAIF |
Savings Association Insurance Fund |
| SAM |
shared-appreciation mortgage |
| SAMA |
standard asset management amendment |
| SAMDA |
standard asset management and disposition agreement |
| SAMSOG |
Surveying and Mapping Society of Georgia |
| SAPDC |
Southern Alleghenies Planning and Development Commission |
| SARA |
Superfund Amendment and Reauthorization Act |
| SCDOT |
South Carolina Department of Transportation |
| SCO |
State Cartographer's Office (Wisconsin) |
| SCS |
Soil Conservation Service (USDA) |
| SCSA |
standard consolidated statistical area; Soil Conservation Society of America |
| SCSPLS |
South Carolina Society of Professional Land Surveyors |
| SDB |
spatial database |
| SDBMS |
spatial database management system |
| SEC |
Securities and Exchange Commission |
| SEM |
shared-equity mortgage |
| SEPA |
state environmental protection agency |
| SF |
square foot |
| SFD |
single family detached |
| SFH |
single family home; single family house |
| SFHA |
special flood hazard area |
| SFR |
single family residence |
| SHA |
State Highway Administration (Maryland) |
| SHPO |
State Historic Preservation Office(r) |
| SHRP |
strategic highway research program |
| SHS |
Surveyors Historical Society |
| SIAC |
Spatial Information and Analysis Consortium |
| SIC |
standard industrial classification; Standing Interpretations Committee |
| SIM |
spatial interaction model |
| SIOR |
Society of Industrial and Office Realtors |
| SLSI |
Society of Land Surveyors of Iowa |
| SMP |
shoreline management plan |
| SND |
street network database |
| SNWA |
Southern Nevada Water Authority |
| SNWS |
Southern Nevada Water System |
| SPB |
space planning bureau |
| SPC |
special purpose company |
| SPE |
special purpose entity |
| SPO |
state planning office |
| SPV |
special purpose vehicle |
| SR |
state route |
| SRES |
Senior Real Estate Specialist |
| SRS |
state route system |
| St |
street |
| STC |
Senate Transportation Committee; State Transportation Commission |
| STREAM |
short term real estate asset mortgage |
| SUP |
special use permit |
| Sub2 |
buying property subject to existing financing |
| Sur. |
Surveyor |
| SWCD |
soil and water conservation district |
| SWM |
stormwater management |
| SWMO |
Stormwater Management Ordinance |
| SWMP |
stormwater management plan |
| SWMU |
solid waste management unit |
| SWPPP |
Stormwater Pollution Prevention Plan |