| AI |
Asphalt Institute |
| AIA |
American Institute of Architects |
| AI / ANA |
American Indian / Alaska Native Area |
| AIC |
Appraisal Institute of Canada |
| AICP |
American Institute of Certified Planners |
| AID |
Agency for International Development |
| AIH |
American Institute of Hydrology |
| AILESP |
American Indian Lands Environmental Support Project |
| AIPG |
American Institue of Professional Geologists |
| AIR |
American Indian reservation |
| AIREA |
American Institute of Real Estate Appraisers |
| AISC |
American Institute of Steel Construction |
| AISI |
American Iron and Steel Institute |
| AITC |
American Institute of Timber Construction |
| AITD |
all inclusive trust deed |
| ALA |
asset liquidation program |
| ALARS |
Alaska Land and Resources System |
| ALI |
Advanced Land Imager |
| ALIS |
Automated Land Information System |
| ALMRS |
Automated Land and Mineral Record System |
| ALP |
Automated Lands Project |
| Alt. |
altitude |
| ALTA |
American Land Title Association |
| AMS |
Agricultural Mortgage Corporation (UK) |
| AMDA |
asset management and disposition manual |
| AMDP |
asset management and disposition plan |
| AMI |
alternative mortgage instrument |
| AML |
adjustable-mortgage loan |
| AMPS |
automatic mapping and planning system |
| AMRESCO |
Asset Management and Real Estate Sales Company |
| AMS |
automated mapping system |
| Amtrak |
National Railroad Passenger Corporation |
| AMV |
affordable market value |
| ANA |
Administration for Native Americans |
| ANGTS |
Alaska Natural Gas Transportation System |
| ANRC |
Alaska Native Regional Corporation |
| ANSI |
American National Standards Institute |
| ANV |
Alaska Native village |
| ANVSA |
Alaska Native village statistical area |
| AO |
Airport Overlay (Bedford County Zoning District) |
| AOLS |
Association of Ontario Land Surveyors |
| AONB |
area of outstanding natural beauty (UK) |
| AOR |
Association of Realtors |
| AP |
Agricultural / Rural Preserve (Bedford County Zoning District) |
| APA |
American Planning Association |
| APCA |
Air Pollution Control Association |
| APCD |
air pollution control district |
| APFO |
Adequate Public Facilities Ordinance; Aerial Photography Field Office |
| APHIS |
Animal and Plant Health Inspection Service |
| APIS |
Aerial Photography Information System |
| APP |
Accelerated Payment Program |
| APR |
annual percentage rate |
| APTA |
American Public Transit Association |
| APTS |
aerial profiling of terrain system |
| APWA |
American Public Works Association |
| APWWA |
American Public Water Works Association |
| AQCR |
air quality control region |
| AQMD |
air quality management district |
| AR |
Agricultural / Residential (Bedford County Zoning District) |
| ARB |
Architectural Review Board |
| ARC |
Appalachian Regional Commission |
| ARCC |
Alternative Agricultural Research and Commercialization Corporation; American Rivers Conservation Council |
| Arch. |
architect; architecture |
| ARDA |
American Resort Development Association |
| ARELLO |
Association of Real Estate License Law Officials |
| AREUEA |
American Real Estate and Urban Economics Association |
| ARES |
American Real Estate Society |
| ARIS |
Alabama Resource Information System; Arizona Resources Information System |
| ARM |
adjustable rate mortgage |
| ARMIS |
Arkansas Resource Management Information System |
| APR |
annual percentage rate |
| ARR |
average rate of return |
| ARS |
Agricultural Research Service |
| ARV |
After-Repaired Value |
| ARY |
all-risks yield |