Exhibit 32.1

Certification of Chief Executive Officer and Chief Financial Officer

Pursuant to 18 U.S.C. Section 1350 as Adopted Pursuant to

Section 906 of the Sarbanes-Oxley Act of 2002

In connection with the Annual Report on Form 10-K of AB Commercial Real Estate Private Debt Fund, LLC (the “Company”) for the year ended December 31, 2025 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), Peter Gordon, as Senior Vice President and Director of the Company, and Marguerite Brogan, as Vice President and Director of the Company, each hereby certifies, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, to the best of his or her knowledge:

1.
The Report fully complies with the requirements of Section 13(a) of the Securities Exchange Act of 1934, as amended; and
2.
The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

 

Date: March 24, 2026

 

/s/ Peter Gordon

 

 

Peter Gordon

 

 

Chief Executive Officer

 

 

(Principal Executive Officer)

 

 

 

Date: March 24, 2026

 

/s/ Marguerite Brogan

 

 

Marguerite Brogan

 

 

Chief Financial Officer

 

 

(Principal Financial Officer)