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Exhibit 23.1

Consent of Independent Registered Public Accounting Firm

We consent to the incorporation by reference in the registration statements (Nos. 333-212976 and 333-286999) on Form S-8 of our reports dated February 24, 2026, with respect to the consolidated financial statements of Boise Cascade Company and the effectiveness of internal control over financial reporting.

/s/ KPMG LLP

Boise, Idaho

February 24, 2026