| Abbreviation | Definition |
|---|---|
| COP | Car Operation Panel |
| CORBA | Common Object Request Build Architecture |
| CP | Construction Permit |
| CPAS | Centre for Planning and Architectural Studies |
| CPBA | Certified Pega Business Architect |
| CPBD | Certified Professional Building Designer |
| CPE | Certified Professional Estimator |
| CPEP | Corrugated PolyEthylene Pipe |
| CPIA | Chandler Presentation And Interaction Architecture |
| CPLA | City Planning and Landscape Architecture |
| CPWA | Christopher P Williams Architects |
| CR | Ceiling Rose |
| CRMA | Common Radio Module Architecture |
| CRMDL | Commercial Remodel |
| CS | Confined Space |
| CS | Construction Safety |
| CS | Cross Section |
| CS | Cutaway Small |
| CSA | Civil Structural Architectural |
| CSA | Civil/Structural/Architectural |