| ASA |
American Society of Appraisers; American Subcontractors Association |
| ASC |
American Society of Cartographers |
| ASCE |
American Society of Civil Engineers |
| ASCP |
America Society of Consulting Planners |
| ASCS |
Agricultural Stabilization and Conservation Service |
| ASFE |
Association of Soil and Foundation Engineers |
| ASFPM |
Association of State Floodplain Managers |
| ASHA |
American Senior Housing Association |
| ASHI |
American Society of Home Inspectors |
| ASHRAE |
American Society of Heating, Refrigerating, and Air Conditioning Engineers |
| ASID |
American Society Of Interior Designers |
| ASLA |
American Society of Landscape Architects |
| AS |
automatic sprinklers |
| ASO |
Australian Survey Office |
| ASPE |
American Society of Plumbing Engineers |
| ASPLS |
Alabama Society of Professional Land Surveyors; Alaska Society of Professional Land Surveyors |
| ASPS |
Arkansas Society of Professional Surveyors |
| ASREC |
American Society of Real Estate Counselors |
| AST |
assured shorthold tenancy (UK) |
| ASHTD |
American Association of State Highway and Transportation Officials |
| ASLA |
American Society of Landscape Architects |
| ASMC |
Alaska Surveying and Mapping Conference |
| ASPG |
American Society for Professional Geographers |
| ASPLS |
Alabama Society of Professional Land Surveyors; Alaska Society of Professional Land Surveyors |
| ASPS |
Arkansas Society of Professional Surveyors |
| Assn. |
association |
| AV |
Agricultural Village Center (Bedford County Zoning District) |
| AVD |
alternative valuation date |
| Ave |
avenue |
| AVR |
asset valuation review |
| AWC |
Association of Washington Cities |
| AWRA |
American Water Resources Association |
| AWWA |
American Water Works Association |
| BA |
biological assessment |
| BAAMA |
Bay Area Automated Mapping Association |
BaFin |
Federal Financial Supervisory Authority; German Financial Supervisory Authority |
| BARD |
Bay Area Regional Database (California) |
| BART |
Bay Area Rapid Transit District (California); Bureau of Bridge and Roadway Technology |
| BCBC |
bituminous concrete base course |
| BC |
Bureau of (the) Census |
| BCDC |
Bay Conservation and Development Commission (California) |
| BCH |
beach |
| BC-Standards |
bridge construction standards |
| BD |
book depreciation |
| BD-Standards |
bridge design standards |
| Bdg. |
bridge |
| BDQCD |
Bridge Design Quality Control Division |
| Bdy |
boundary |
| BEA |
Bureau of Economic Analysis |
| BEQ |
Bureau of Environmental Quality |
| BES |
Bureau of Environmental Service (Oregon) |
| BFP |
bona fide purchaser |
| BHP |
Bureau of Historic Preservation |
| BIA |
Bureau of Indian Affairs |
| BIC |
Business Information Center (SBA); Borderlands Information Center (Texas) |
| BID |
business infrastructure development |
| BIM |
building information modeling |
| BLC-Standards |
bridge low cost standards |
| Bldg. |
building |
| BLIS |
Brownfields Location Information System (Wisconsin) |
| BLM |
Bureau of Land Management |
| BLPU |
basic land and property unit |
| BLS |
Bureau of Labor Statistics |
| Blvd. |
boulevard |
| BMP |
best management practice |
| BMS |
bridge management |
| BOA |
building omission area |
| BOC |
Bureau of the Census |
| BOCA |
Building Officials and Code Administrators, International |
| BOM |
Bureau of Mines |
| BOMA |
Building Owners and Managers Association |
| BOMO |
Bureau of Maintenance and Operations |
| BOR |
Board of Realtors |
| BORPELS |
Board of Registration for Professional Engineers and Land Surveyors (California) |
| BPN |
building preservation notice (UK) |
| BPR |
Bureau of Public Roads |
| BRAC |
Business Relocation Assistance Corporation |
| BRADO |
bridge automated design and drafting |
| BRR |
book rate of return |
| BSC |
Boston Survey Consultants |
| BSE |
base flood elevation |
| BTS |
Bureau of Transportation Statistics |
| BWQP |
Bureau of Water Quality Planning |
| BZA |
Board of Zoning Appeals |