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UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON , D.C. 20549 FORM 10 - K [ X ] Annual Report Pursuant to Section 13 or 15 ( d ) of the Securities Exchange Act of 1934 For the fiscal year ended December 31 , 2020 . [ ] Transition Report Pursuant to Section 13 or 15 ( d ) of the Securities Exchange Act of 1934 For the transition period from Commission File Number : 001-33519 Maryland ( State or other jurisdiction of incorporation or organization ) Title of Class PUBLIC STORAGE ( Exact name of Registrant as specified in its charter ) to 701 Western Avenue , Glendale , California 91201-2349 ( Address of principal executive offices ) ( Zip Code ) Common Shares , $ 0.10 par value Depositary Shares Each Representing 1 / 1,000 of a 5.125 % Cum Pref Share , Series C , $ 0.01 par value Depositary Shares Each Representing 1 / 1,000 of a 4.950 % Cum Pref Share , Series D , $ 0.01 par value Depositary Shares Each Representing 1 / 1,000 of a 4.900 % Cum Pref Share , Series E , $ 0.01 par value Depositary Shares Each Representing 1 / 1,000 of a 5.150 % Cum Pref Share , Series F , $ 0.01 par value Depositary Shares Each Representing 1 / 1,000 of a 5.050 % Cum Pref Share , Series G , $ 0.01 par value Depositary Shares Each Representing 1 / 1,000 of a 5.600 % Cum Pref Share , Series H , $ 0.01 par value Depositary Shares Each Representing 1 / 1,000 of a 4.875 % Cum Pref Share , Series I , $ 0.01 par value 95-3551121 ( I.R.S. Employer Identification Number ) ( 818 ) 244-8080 ( Registrant's telephone number , including area code ) Securities registered pursuant to Section 12 ( b ) of the Act : 1 Trading Symbol PSA PSAPRC PSAPRD PSAPRE PSAPRF PSAPRG PSAPTH PSAPRI Name of exchange on which registered New York Stock Exchange New York Stock Exchange New York Stock Exchange New York Stock Exchange New York Stock Exchange New York Stock Exchange New York Stock Exchange New York Stock Exchange