Company: HPP
Filing Date: 2025-06-13
Form Type: 424B5
Source: 0001193125-25-140284
Chunk: 49

Company: Hudson Pacific Properties, Inc.
Filing Date: 2025-06-13
Form: 424B5
Chunk 49
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 modifies or replaces this information. We incorporate by reference the following documents we filed with the Securities and Exchange Commission:

| • |     | All documents filed by Hudson Pacific Properties, Inc. or Hudson Pacific Properties, L.P. with the Securities and                                                                                              
 Exchange Commission pursuant to Sections 13(a), 13(c), 14 or 15(d) of the Exchange Act after the date of this prospectus supplement and prior to the termination of the offering of the underlying securities. |

To the extent that any information contained in any current report on Form 8-K,or any exhibit thereto, was furnished to, rather than filed with, the Securities and Exchange Commission, such information or exhibit is specifically not incorporated by reference in this prospectus supplement and the accompanying prospectus. We will provide without charge to each person, including any beneficial owner, to whom this prospectus supplement and the accompanying prospectus is delivered, on written or oral request of that person, a copy of any or all of the documents we are incorporating by reference into this prospectus supplement and the accompanying prospectus, other than exhibits to those documents, unless those exhibits are specifically incorporated by reference into those documents. A written request should be addressed to Hudson Pacific Properties, Inc., 11601 Wilshire Blvd., Ninth Floor, Los Angeles, California 90025, Attention: General Counsel. S-35

PROSPECTUS

$1,000,000,000

Hudson Pacific Properties, Inc.

Common Stock,

Preferred Stock,

Depositary Shares,

Warrants,

Purchase Contracts,

Rights,

Units and

Guarantees

Hudson Pacific Properties, L.P.

Debt Securities

Hudson Pacific Properties, Inc. may offer and sell the securities identified above and Hudson Pacific Properties, L.P. may offer and sell debt securities, in
each case from time to time in one or more offerings, collectively, in an amount up to $1,000.0 million in the aggregate. This prospectus provides you with a general description of the securities.

Each time we offer and sell securities, we will provide a supplement to this prospectus that contains specific information about the offering as well as the
amounts, prices and terms of the securities. The supplement may also add, update or change information contained in this prospectus with respect to that offering. You should carefully read this prospectus and the applicable prospectus supplement
before you invest in any of our securities.

The specific terms of each series or class of the securities will be set forth in the applicable