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CMBS dealSpecial servicing active

BMARK 2021-B31

As of 7/1/2026Source: SEC EDGAR, CIK 1894714
Latest answer
BMARK 2021-B31 is a CMBS reference page with collateral metrics, transaction parties, filings, fund exposure, and machine-readable facts tied back to source disclosure.
Coverage: 100%Freshness: 8 days
Context brief

Quick Answer

What is BMARK 2021-B31? A US commercial mortgage-backed security issued December 2021 ($1.5B; 57 loans; 97 properties).

Identifiers: Shelf BMARK; Series bmark2021-b31; CIK 1894714.

Unique value: Dealcharts provides computed pool metrics, time-series performance analysis, and cross-deal comparisons not available in raw SEC EDGAR filings.

Sources: SEC EDGAR CIK 1894714.

What it means for you: This is the reported figure - the same for everyone, and it takes no one's side. For what it means from a specific position, email cairn+page@cmdrvl.com and name the CUSIP you hold (or a seat you're sizing up). Cairn tailors the read to your position, with the receipts.

Part of:2021 VintageBMARK Shelf
Machine-readable data: https://dealcharts.org/llm/facts/bmark2021-b31.json · API docs
Have a question this page didn't answer? Ask Cairn →

What Changed#

Loan-level changes between the 2025-12-30 and 2026-01-29 filing periods.

Change Summary

Total Change
$1.6M
Coverage
94%
Loans in Pool
57
Fields Changed
85

Top Contributors

Loan 3 — T&I Advances$-368K
$368K → $023% of total change
Loan 3 — P&I Advances$-360K
$360K → $022% of total change
Loan 11 — T&I Advances$-172K
$1.0M → $860K11% of total change
Loan 13 — P&I Advances$-124K
$124K → $08% of total change
Loan 6 — Ending Balance$-95K
$53.7M → $53.6M6% of total change
Loan 10 — Ending Balance$-75K
$40.8M → $40.7M5% of total change
Loan 17 — Ending Balance$-65K
$29.4M → $29.3M4% of total change
Comparing 2025-12-30 to 2026-01-29Updated 2026-03-02
On this page:Entities2Metrics34Charts14Macro Context1Documents6

Who's Involved#

Rating AgenciesS&P, Fitch, KBRA
Risk RetentionVertical

Deal Metrics

Key performance indicators and statistics tracking the deal's current status and history.

Deal Overview

Aggregate Original Loan Amount
Current Trust Amount
Number of Loans
Number of Properties
Average Loan Size

Portfolio Characteristics

Weighted Average Interest Rate
Weighted Average Term
WA DSCR (NCF) at Issuance
WA DSCR (NCF) Current
Original Valuation
Current Valuation

Key Dates

Origination Date
Latest Valuation
Latest Transfer
Latest Return
Latest Modification

Special Servicing Status

Loans in Special Servicing
Special Servicing Balance
Loans Returned to Master
Balance Returned
Avg Time in Special Servicing
Avg Time to Return

Valuation Changes

Updated Valuations
Total Updated Value
Value Change Amount
Value Change Percentage

Modifications

Number of Modifications
Modified Balance

Deal Charts

Charts showing deal performance over time.

Geographic Distribution - BMARK 2021-B31 - All States
2026-07-01

Provenance & Documents

Issuance → amendments → reports. Tap to view on SEC.
2026-07-01
Latest
Monthly Remittance Report
Document filing with updated information.
View on SEC →
2021-12-22
Final Prospectus
Document filing with updated information.
View on SEC →
2021-12-03
Annex A
Document filing with updated information.
View on SEC →
2021-12-03
Preliminary Prospectus
Document filing with updated information.
View on SEC →
2021-12-02
Final Termsheet
Document filing with updated information.
View on SEC →
2021-12-01
Preliminary Termsheet
Document filing with updated information.
View on SEC →

Context & Commentary#

This deal is tagged for AI-industry / data-center exposure (Tech Giant). See the full list of AI-exposed CMBS deals →

Entity Statements

No statements from entities yet. Contact us at support@cmdrvl.com to add official context.

External Analysis

No external analysis linked yet. Contact us to publish and link your research.
All items include provenance (author, timestamp, source).Have a source-backed clarification? Contact us.
Monitoring
This deal's collateral and ratings data changes over time. Who is watching it for you?
CMD+RVL runs monitors on the filings behind this page — new servicer reports, ratings actions, collateral shifts — and delivers each state change with full provenance.
Set up monitoring for this deal →
Have a source-backed note on this deal? Contact us.

Datasets & API#

GET https://dealcharts.org/llm/facts/bmark2021-b31.json
{
  "deal_id": "bmark2021-b31",
  "issuer": "",
  "shelf": "BMARK",
  "issue_date": "",
  "linked_entities": [
  {
    "role": "Rating Agencies",
    "name": "S&P, Fitch, KBRA"
  },
  {
    "role": "Risk Retention",
    "name": "Vertical"
  }
]
}


Access the underlying datasets used to power these analytics.
Marketplace dataset

CMBS Fund Holdings Dataset

Snowflake Marketplace

Filing data from sec.gov NPORT-P to produce the Fund Holdings table.

Go to MarketplaceData Dictionary
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Marketplace dataset

CREFC IRP standardized datasets

Snowflake Marketplace

Get the standardized dataset following the CREFC IRP format, ideal for advanced reporting and analysis.

Go to MarketplaceData Dictionary
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Ask Cairn

What does BMARK 2021-B31 mean for you?

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Email Cairn cairn@cmdrvl.com
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