EXHIBIT 10.6 ___________, 1997 Camden Property Trust 3200 Southwest Freeway, Suite 1500 Houston, Texas 77027 Re: Lock-up Letter Dear Sirs: In connection with the Agreement and Plan of Merger (the "Agreement") dated as of December 16, 1996, by and among Camden Property Trust ("Camden"), Camden Subsidiary, Inc., and Paragon Group, Inc., I agree not to offer to sell, sell, contract to sell or otherwise dispose of any Camden common shares beneficially owned by me for a 90-day period after the Closing Date, provided that deposit of all or any of such shares as margin collateral shall not be deemed a sale or disposition subject to this agreement. Capitalized terms not otherwise defined herein shall have the meanings given to them in the Agreement. Very truly yours, [To be signed by William R. Cooper and Lewis A. Levey]