EX-23.3 4 a2210037zex-23_3.htm EX-23.3
QuickLinks -- Click here to rapidly navigate through this document


Exhibit 23.3

Consent of Independent Auditors

        We consent to the incorporation by reference in the following Registration Statements of HCP, Inc. and in the related Prospectus and Prospectus Supplements of our report dated February 1, 2011, with respect to the consolidated financial statements of HCR Properties, LLC, as of December 31, 2010 and 2009 and for the three years ended December 31, 2010, included in this Current Report (Form 8-K) dated July 24, 2012:

    Form S-3 ARS, File No. 333-161721, related to the unspecified indeterminate shelf registration of common stock, preferred stock, depository shares, debt securities, warrants or other rights, stock purchase contracts and units;

    Form S-8, File No. 333-161720, related to the registration of additional securities related to the 2006 Performance Incentive Plan;

    Form S-8, File No. 333-90353, related to the American Health Properties, Inc. 1994 Stock Incentive Plan, American Health Properties, Inc. Nonqualified Stock Option Plan For Nonemployee Directors, American Health Properties, Inc. 1990 Stock Incentive Plan and American Health Properties, Inc. 1988 Stock Option Plan;

    Form S-8, File No. 333-54784, related to the 2000 Stock Incentive Plan;

    Form S-8, File No. 333-54786, related to the Amended Stock Incentive Plan, the Second Amended and Restated Stock Incentive Plan and the Second Amended and Restated Directors Stock Incentive Plan;

    Form S-8, File No. 333-135679, related to the Health Care Property Investors, Inc. 2006 Performance Incentive Plan;

    Form S-3, File No. 333-99067, related to the registration of 1,477,786 shares of common stock (as adjusted to reflect HCP, Inc.'s two-for-one stock split on March 2, 2004) to be issued and resold upon conversion of non-managing members interests in HCPI/Utah II, LLC;

    Form S-3, File No. 333-99063, related to the registration of 320,052 shares of common stock (as adjusted to reflect HCP, Inc.'s two-for-one stock split on March 2, 2004) to be issued and resold upon conversion of non-managing member interests in HCPI/Utah, LLC;

    Form S-3, File No. 333-95487, related to the registration of 1,186,494 shares of common stock (as adjusted to reflect HCP, Inc.'s two-for-one stock split on March 2, 2004) to be issued and resold upon conversion of non-managing member interests in HCPI/Utah, LLC;

    Form S-3, File No. 333-122456, related to the registration of 554,890 shares of common stock to be issued and resold upon conversion of non-managing member interests in HCPI/Utah II, LLC;

    Form S-3, File No. 333-119469, related to the registration of 2,129,078 shares of common stock to be issued and resold upon conversion of non-managing member interests in HCPI/Tennessee, LLC; and

    Form S-3, File No. 333-124922, related to the registration of 53,602 shares of common stock to be issued and resold upon conversion of non-managing member interests in HCPI/Utah, LLC.

    /s/ ERNST & YOUNG LLP

Toledo, Ohio
July 24, 2012
   



QuickLinks