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KBRA Affirms All Ratings for Benchmark 2021-B28

2 Jul 2026   |   New York

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KBRA affirms all of its outstanding ratings for Benchmark 2021-B28, a $1.3 billion CMBS conduit transaction. The affirmations follow a surveillance review of the transaction, which has exhibited a slight worsening in pool performance since securitization. However, the magnitude of the changes does not warrant ratings adjustments at this time.

As of the June 2026 remittance period, there are four specially serviced loans (5.7% of the pool balance), of which one (0.4%) is REO, one is in foreclosure (1.7%), and one is 30+ days delinquent (1.9%). KBRA identified nine K-LOCs (9.6%), including the specially serviced and delinquent loans. Of the K-LOCs, three (3.5%) have estimated losses. The K-LOCs are depicted in the table below:

Loss Given Default (000s) Loss Severity 20A3 2 Washington MF $25,000 1.9% Y 30+ N Bankruptcy 11/13/2025 - - 24 Brooklyn Multi Portfolio MF $22,500 1.7% Y C N Recent Delinquency 12/02/2025 - - 22A2 Colonnade Corporate Center OF $21,928 1.7% Y FCL N Foreclosure 12/11/2024 $5,156 23.5% 30 116 East 124th Street OF $18,000 1.4% N C N DSCR 06/28/2024 $5,242 29.1% 32 Pennsauken Logistics Center IN $17,170 1.3% N C N Recent Delinquency 06/20/2025 - - 56 TownPlace Suites by Marriott Cleveland, TN LO $7,964 0.6% N C N Occupancy 11/14/2025 - - 65 2679 Redondo OF $5,100 0.4% Y REO N REO 08/08/2024 $1,925 37.7% 68 Conroe Texas Multifamily Portfolio MF $4,576 0.3% N C N DSCR 08/09/2024 - - 71 Cityline Port Charlotte SS $3,180 0.2% N C N DSCR 06/25/2025 - - Total K-LOCs $125,418 9.6% $12,323 1. K-LOC Date is the date when the most recent K-LOC was initially determined. 2. Loss Given Default assumes a 100% probability of default (PD). KBRA may determine a lower PD when estimating losses to a transaction. KBRA Estimated 2 K-LOCs Prosp. ID Loan Name Prop Type Current In- Trust Balance (000s) % of Deal Balance SS Loan Status Mod (Y/N) Primary K-LOC Reason K-LOC Date 1
Source: KBRA

Excluding the K-LOCs with estimated losses, the transaction's WA KLTV is 97.6%, compared to 94.2% at last review and 98.7% at securitization. The KDSC is 2.95x, compared to 3.00x at last review and 2.98x at securitization.

To access ratings and relevant documents, click here.

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Methodologies

Disclosures

Further information on key credit considerations, sensitivity analyses that consider what factors can affect these credit ratings and how they could lead to an upgrade or a downgrade, and ESG factors (where they are a key driver behind the change to the credit rating or rating outlook) can be found in the full rating report referenced above.

A description of all substantially material sources that were used to prepare the credit rating and information on the methodology(ies) (inclusive of any material models and sensitivity analyses of the relevant key rating assumptions, as applicable) used in determining the credit rating is available in the Information Disclosure Form(s) located here.

Information on the meaning of each rating category can be located here.

Further disclosures relating to this rating action are available in the Information Disclosure Form(s) referenced above. Additional information regarding KBRA policies, methodologies, rating scales and disclosures are available at www.kbra.com.

About KBRA

Kroll Bond Rating Agency, LLC (KBRA), one of the major credit rating agencies (CRA), is a full-service CRA registered with the U.S. Securities and Exchange Commission as an NRSRO. Kroll Bond Rating Agency Europe Limited is registered as a CRA with the European Securities and Markets Authority. Kroll Bond Rating Agency UK Limited is registered as a CRA with the UK Financial Conduct Authority. In addition, KBRA is designated as a Designated Rating Organization (DRO) by the Ontario Securities Commission for issuers of asset-backed securities to file a short form prospectus or shelf prospectus. KBRA is also recognized as a Qualified Rating Agency by Taiwan’s Financial Supervisory Commission and is recognized by the National Association of Insurance Commissioners as a Credit Rating Provider (CRP) in the U.S.

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