Columbia Property Trust (CXP) 10-K 2020 FY Annual report

Exhibit 23.1

COLUMBIA PROPERTY TRUST, INC.

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in the following Registration Statements:

(1)Registration Statement (Form S-3 No 333-223062) of Columbia Property Trust, Inc. and Columbia Property Trust Operating Partnership, L.P.;

(2)Registration Statement (Form S-8 No 333-188409) pertaining to the Columbia Property Trust, Inc. 2013 Long-term Incentive Plan;

(3)Registration Statement (Form S-8 No 333-217720) pertaining to the Columbia Property Trust, Inc. Amended and Restated 2013 Long-term Incentive Plan;

of our reports dated February 18, 2021, relating to the consolidated financial statements and financial statements of Columbia Property Trust, Inc. and subsidiaries (the “Company”), and the effectiveness of the Company’s internal control over financial reporting of the Company, appearing in this Annual Report on Form 10-K of the Company for the year ended December 31, 2020.

/s/ Deloitte & Touche LLP

Atlanta, Georgia

February 18, 2021