Exhibit 21
 COUSINS PROPERTIES INCORPORATED AND CONSOLIDATED ENTITIES
SUBSIDIARIES OF THE REGISTRANT
DECEMBER 31, 2010
  Subsidiary
    
    State of Incorporation250 Williams Street LLC
    
    Georgia250 Williams Street Manager, Inc.
    
    Georgia3280 Peachtree I, LLC
    
    Georgia3280 Peachtree III LLC
    
    Georgia3280 Peachtree IV LLC
    
    Georgia615 Peachtree LLC
    
    GeorgiaAvenue Ridgewalk LLC
    
    GeorgiaAvenue Webb Gin, LLC
    
    GeorgiaBlalock Lakes, LLC
    
    GeorgiaCCD 10 Terminus Place LLC
    
    GeorgiaCCD Juniper LLC
    
    GeorgiaCedar Grove Lakes, LLC
    
    GeorgiaCousins Aircraft Associates, LLC
    
    GeorgiaCousins Austin GP, Inc.
    
    GeorgiaCousins Austin, Inc.
    
    GeorgiaCousins Condominium Development, LLC
    
    GeorgiaCousins CPV Holdings LLC
    
    GeorgiaCousins Development, Inc.
    
    GeorgiaCousins, Inc.
    
    AlabamaCousins Jefferson Mill, LLC
    
    GeorgiaCousins Johnson City LLC
    
    GeorgiaCousins King Mill, LLC
    
    GeorgiaCousins La Frontera LLC
    
    TexasCousins MarketCenters, Inc.
    
    GeorgiaCousins Murfreesboro LLC
    
    GeorgiaCousins Properties Palisades LLC
    
    TexasCousins Properties Services LLC
    
    TexasCousins Properties Waterview LLC
    
    TexasCousins Real Estate Corporation
    
    GeorgiaCousins Real Estate Development, Inc.
    
    GeorgiaCousins Research Park V LLC
    
    GeorgiaCousins San Jose MarketCenter, LLC
    
    GeorgiaCP  Forsyth Investments LLC
    
    GeorgiaCP  Tiffany Springs Investments LLC
    
    GeorgiaCP Lakeside 20 GP, LLC
    
    GeorgiaCP Lakeside Land GP, LLC
    
    GeorgiaCP Sandy Springs LLC
    
    GeorgiaCP Texas Industrial LLC
    
    GeorgiaCPI 191 LLC
    
    Georgia




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Subsidiary
    
    State of IncorporationCREC La Frontera LLC
    
    TexasCREC Property Holdings, LLC
    
    DelawareCUZWAT Investments, LLC
    
    GeorgiaIPC Investments II LLC
    
    GeorgiaIPC Investments LLC
    
    GeorgiaMeridian Mark Plaza, LLC
    
    GeorgiaNew Land Realty, LLC d/b/a Blalock Lakes Realty
    
    GeorgiaOne Ninety One Peachtree Associates LLC
    
    GeorgiaPine Mountain Ventures, LLC
    
    GeorgiaRidgewalk Funding LLC
    
    GeorgiaSONO Renaissance, LLC
    
    GeorgiaTerminus 200, LLC
    
    Georgia
  Subsidiary
    
    State of Incorporation50 Biscayne Venture, LLC*
    
    Delaware905 Juniper Venture, LLC (72% owned by Registrant)
    
    GeorgiaAvenue Forsyth LLC (88.5% owned by Registrant)
    
    GeorgiaC/W Jefferson Mill I, LLC (75% owned by Registrant)
    
    GeorgiaC/W King Mill I, LLC (75% owned by Registrant)
    
    GeorgiaCarriage Avenue, LLC*
    
    DelawareCousins Tiffany Springs MarketCenter LLC (88.5% owned by Registrant)
    
    GeorgiaCousins/Callaway, LLC*
    
    GeorgiaCallaway Gardens Realty, LLC (50% owned by Cousins/Callaway, LLC)
    
    GeorgiaCousins/Daniel, LLC*
    
    GeorgiaCousins/Gude CCHR LLC (60% owned by Registrant)
    
    GeorgiaCousins/Gude CFHOF LLC (70% owned by Registrant)
    
    GeorgiaCousins/Myers II, LLC*
    
    DelawareCP Venture Six LLC (88.5% owned by Registrant)
    
    DelawareCP Venture Three LLC (88.5% owned by Registrant)
    
    DelawareCS Lakeside 20 Limited, LLLP (70% owned by Registrant)
    
    TexasCS Lakeside Land Limited, LLLP (70% owned by Registrant)
    
    TexasCS Lancaster LLC (70% owned by Registrant)
    
    GeorgiaGlenmore Garden Villas (50% owned by Registrant)
    
    GeorgiaHandy Road Associates, LLC (50% owned by Registrant)
    
    GeorgiaJefferson Mill Project I, LLC (75% owned by Registrant)
    
    GeorgiaKing Mill Project I LLC (75% owned by Registrant)
    
    Georgia
 
 *
    
    Minority member may receive a portion of cash flow and capital proceeds.