Extra Space Storage S-3ASR Automatic shelf registration

Exhibit 5.2

750 E. PRATT STREET SUITE 900 BALTIMORE, MD 21202 T 410.244.7400 F 410.244.7742 www.Venable.com

April 15, 2024

Extra Space Storage Inc.

2795 East Cottonwood Parkway

Suite 300

Salt Lake City, Utah 84121

Re: Registration Statement on Form S-3

Ladies and Gentlemen:

We have served as Maryland counsel to Extra Space Storage Inc., a Maryland corporation (the “Company”), in connection with certain matters of Maryland law relating to the sale and issuance by the Company of shares (the “Shares”) of common stock, $0.01 par value per share (the “Common Stock”), of the Company having an aggregate gross sales price of up to $800,000,000, from time to time in at-the-market offerings, covered by the above-referenced Registration Statement, and all amendments thereto (collectively, the “Registration Statement”), filed by the Company with the United States Securities and Exchange Commission (the “Commission”) under the Securities Act of 1933, as amended (the “Securities Act”).

In connection with our representation of the Company, and as a basis for the opinion hereinafter set forth, we have examined originals, or copies certified or otherwise identified to our satisfaction, of the following documents (hereinafter collectively referred to as the “Documents”):

1.  The Registration Statement and the related form of prospectus included therein, in the form filed with the Commission under the Securities Act;

2.  The Prospectus Supplement, dated April 15, 2024, in the form filed with the Commission under the Securities Act;

3.  The charter of the Company (the “Charter”), certified by the State Department of Assessments and Taxation of Maryland (the “SDAT”);

4.  The Second Amended and Restated Bylaws of the Company, certified as of the date hereof by an officer of the Company;

5.  A certificate of the SDAT as to the good standing of the Company, dated as of a recent date;

6.  The Equity Distribution Agreement, dated as of April 15, 2024 (the “Equity Distribution Agreement”), by and among the Company, Extra Space Storage LP, a Delaware limited partnership, each of BMO Capital Markets Corp., BofA Securities, Inc.,

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Citigroup Global Markets Inc., Jefferies LLC, J.P. Morgan Securities LLC, Regions Securities LLC, TD Securities (USA) LLC, Truist Securities, Inc. and Wells Fargo Securities, LLC, each as sales agent, principal and/or forward seller, and each of Bank of Montreal, Bank of America, N.A., Citibank, N.A., Jefferies LLC, JPMorgan Chase Bank, National Association, Regions Securities LLC, The Toronto-Dominion Bank, Truist Bank and Wells Fargo Bank, National Association, each as forward purchaser;

7.  The letter agreement in substantially the form attached as Exhibit H to the Equity Distribution Agreement (the “Confirmation”);

8.  Resolutions adopted by the Board of Directors of the Company, or a duly authorized committee thereof (the “Resolutions”), relating to, among other matters, (a) the sale and issuance of the Shares and (b) the authorization of the execution and delivery by the Company of the Equity Distribution Agreement and any Confirmation, certified as of the date hereof by an officer of the Company;

9.  A certificate executed by an officer of the Company, dated as of the date hereof; and

10. Such other documents and matters as we have deemed necessary or appropriate to express the opinion set forth below, subject to the assumptions, limitations and qualifications stated herein.

In expressing the opinion set forth below, we have assumed the following:

1.  Each individual executing any of the Documents, whether on behalf of such individual or another person, is legally competent to do so.

2.  Each individual executing any of the Documents on behalf of a party (other than the Company) is duly authorized to do so.

3.  Each of the parties (other than the Company) executing any of the Documents has duly and validly executed and delivered each of the Documents to which such party is a signatory, and such party’s obligations set forth therein are legal, valid and binding and are enforceable in accordance with all stated terms.

4.  All Documents submitted to us as originals are authentic. The form and content of all Documents submitted to us as unexecuted drafts do not differ in any respect relevant to this opinion from the form and content of such Documents as executed and delivered. All Documents submitted to us as certified or photostatic copies conform to the original documents. All signatures on all Documents are genuine. All public records reviewed or relied

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upon by us or on our behalf are true and complete. All representations, warranties, statements and information contained in the Documents are true and complete. There has been no oral or written modification of or amendment to any of the Documents, and there has been no waiver of any provision of any of the Documents, by action or omission of the parties or otherwise.

5.  The Shares will not be issued or transferred in violation of the restrictions on ownership and transfer of shares of stock of the Company contained in the Charter.

6.  Upon the issuance of any Shares, the total number of shares of Common Stock issued and outstanding will not exceed the total number of shares of Common Stock that the Company is then authorized to issue under the Charter.

7.  Prior to the issuance of any of the Shares, the ATM Offering Committee (as defined in the Resolutions) will determine the price and certain other terms of issuance of such Shares in accordance with the Resolutions (the “Corporate Proceedings”).

Based upon the foregoing, and subject to the assumptions, limitations and qualifications stated herein, it is our opinion that:

1.  The Company is a corporation duly incorporated and validly existing under and by virtue of the laws of the State of Maryland and is in good standing with the SDAT.

2.  The issuance of the Shares has been duly authorized and, when and if issued and delivered by the Company against payment therefor in accordance with the Resolutions, the Corporate Proceedings, the Registration Statement, the Equity Distribution Agreement and any Confirmation, the Shares will be validly issued, fully paid and nonassessable.

The foregoing opinion is limited to the laws of the State of Maryland and we do not express any opinion herein concerning any other law. We express no opinion as to the applicability or effect of federal or state securities laws, including the securities laws of the State of Maryland, federal or state laws regarding fraudulent transfers or the laws, codes or regulations of any municipality or other local jurisdiction. To the extent that any matter as to which our opinion is expressed herein would be governed by the laws of any jurisdiction other than the State of Maryland, we do not express any opinion on such matter. The opinion expressed herein is subject to the effect of any judicial decision which may permit the introduction of parol evidence to modify the terms or the interpretation of agreements.

The opinion expressed herein is limited to the matters specifically set forth herein and no other opinion shall be inferred beyond the matters expressly stated. We assume no

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obligation to supplement this opinion if any applicable law changes after the date hereof or if we become aware of any fact that might change the opinion expressed herein after the date hereof.

This opinion is being furnished to you for submission to the Commission as an exhibit to the Registration Statement. We hereby consent to the filing of this opinion as an exhibit to the Registration Statement and to the use of the name of our firm therein. In giving this consent, we do not admit that we are within the category of persons whose consent is required by Section 7 of the Securities Act.

Very truly yours,

/s/ Venable LLP