Exhibit 21

COUSINS PROPERTIES INCORPORATED AND CONSOLIDATED ENTITIES

SUBSIDIARIES OF THE REGISTRANT

DECEMBER 31, 2011

At December 31, 2011, the Registrant had the following subsidiaries:



|                                      |  |                       
|------------------------------------- |  | ----------------------
|Subsidiary                            |  | State of Incorporation
|                                      | 
|250 Williams Street LLC               |  | Georgia               
|250 Williams Street Manager, Inc.     |  | Georgia               
|3280 Peachtree I, LLC                 |  | Georgia               
|3280 Peachtree III LLC                |  | Georgia               
|615 Peachtree LLC                     |  | Georgia               
|1230 Peachtree Associates LLC         |  | Georgia               
|Avenue Ridgewalk LLC                  |  | Georgia               
|Avenue Webb Gin, LLC                  |  | Georgia               
|Blalock Lakes, LLC                    |  | Georgia               
|CCD 10 Terminus Place LLC             |  | Georgia               
|CCD Juniper LLC                       |  | Georgia               
|Cedar Grove Lakes, LLC                |  | Georgia               
|Cousins Aircraft Associates, LLC      |  | Georgia               
|Cousins BD GP Inc.                    |  | Georgia               
|Cousins BD Investments L.P.           |  | Georgia               
|Cousins Condominium Development, LLC  |  | Georgia               
|Cousins CPV Holdings LLC              |  | Georgia               
|Cousins Development, Inc.             |  | Georgia               
|Cousins, Inc.                         |  | Alabama               
|Cousins Jefferson Mill, LLC           |  | Georgia               
|Cousins Johnson City LLC              |  | Georgia               
|Cousins King Mill, LLC                |  | Georgia               
|Cousins La Frontera LLC               |  | Texas                 
|Cousins MarketCenters, Inc.           |  | Georgia               
|Cousins Murfreesboro LLC              |  | Georgia               
|Cousins Properties Palisades LLC      |  | Texas                 
|Cousins Properties Services LLC       |  | Texas                 
|Cousins Properties Waterview LLC      |  | Texas                 
|Cousins Real Estate Corporation       |  | Georgia               
|Cousins Real Estate Development, Inc. |  | Georgia               
|Cousins Research Park V LLC           |  | Georgia               
|Cousins San Jose MarketCenter, LLC    |  | Georgia               
|CP - Forsyth Investments LLC          |  | Georgia               
|CP - Tiffany Springs Investments LLC  |  | Georgia               
|CP Lakeside 20 GP, LLC                |  | Georgia               
|CP Lakeside Land GP, LLC              |  | Georgia               
|CP Sandy Springs LLC                  |  | Georgia               
|CP Texas Industrial LLC               |  | Georgia               
|CPI 191 LLC                           |  | Georgia               



---



|                                                |  |                       
|----------------------------------------------- |  | ----------------------
|Subsidiary                                      |  | State of Incorporation
|                                                | 
|CPI Development Inc.                            |  | Georgia               
|CREC La Frontera LLC                            |  | Texas                 
|CREC Property Holdings, LLC                     |  | Delaware              
|CUZWAT Investments, LLC                         |  | Georgia               
|FIC Development LLC                             |  | Georgia               
|IPC Investments II LLC                          |  | Georgia               
|IPC Investments LLC                             |  | Georgia               
|Meridian Mark Plaza, LLC                        |  | Georgia               
|New Land Realty, LLC d/b/a Blalock Lakes Realty |  | Georgia               
|One Ninety One Peachtree Associates LLC         |  | Georgia               
|Pine Mountain Ventures, LLC                     |  | Georgia               
|Ridgewalk Funding LLC                           |  | Georgia               
|SONO Renaissance, LLC                           |  | Georgia               
|Terminus 200, LLC                               |  | Georgia               

At December 31, 2011, the financial statements of the following entities were
consolidated with those of the Registrant in the Consolidated Financial Statements incorporated herein:



|                                                                     |  |                       
|-------------------------------------------------------------------- |  | ----------------------
|Subsidiary                                                           |  | State of Incorporation
|                                                                     | 
|50 Biscayne Venture, LLC*                                            |  | Delaware              
|905 Juniper Venture, LLC (72% owned by Registrant)                   |  | Georgia               
|Avenue Forsyth LLC (88.5% owned by Registrant)                       |  | Georgia               
|C/W Jefferson Mill I, LLC (75% owned by Registrant)                  |  | Georgia               
|C/W King Mill I, LLC (75% owned by Registrant)                       |  | Georgia               
|Carriage Avenue, LLC*                                                |  | Delaware              
|Cousins Tiffany Springs MarketCenter LLC (88.5% owned by Registrant) |  | Georgia               
|Cousins/Callaway, LLC*                                               |  | Georgia               
|Callaway Gardens Realty, LLC (50% owned by Cousins/Callaway, LLC)    |  | Georgia               
|Cousins/Daniel, LLC*                                                 |  | Georgia               
|Cousins/Gude CCHR LLC (60% owned by Registrant)                      |  | Georgia               
|Cousins/Gude CFHOF LLC (70% owned by Registrant)                     |  | Georgia               
|Cousins/Myers II, LLC*                                               |  | Delaware              
|CP Venture Six LLC (88.5% owned by Registrant)                       |  | Delaware              
|CP Venture Three LLC (88.5% owned by Registrant)                     |  | Delaware              
|CS Lakeside 20 Limited, LLLP (70% owned by Registrant)               |  | Texas                 
|CS Lakeside Land Limited, LLLP (70% owned by Registrant)             |  | Texas                 
|CS Lancaster LLC (70% owned by Registrant)                           |  | Georgia               
|Glenmore Garden Villas, LLC (50% owned by Registrant)                |  | Delaware              
|Handy Road Associates, LLC (50% owned by Registrant)                 |  | Georgia               
|Jefferson Mill Project I, LLC (75% owned by Registrant)              |  | Georgia               
|King Mill Project I LLC (75% owned by Registrant)                    |  | Georgia               
|Mahan Village LLC (88% owned by Registrant)                          |  | Delaware              

* Minority member may receive a portion of cash flow and capital proceeds.