EXHIBIT 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

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We have issued our reports dated February 26, 2026, with respect to the consolidated financial statements and internal control over financial reporting included in the Annual Report of United States Lime & Minerals, Inc. on Form 10-K for the year ended December 31, 2025. We consent to the incorporation by reference of said reports in the Registration Statements of United States Lime & Minerals, Inc. on Forms S-8 (File No. 333-282159, File No. 333-236817 and File No. 333-196697).

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/s/ GRANT THORNTON LLP

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Dallas, Texas

February 26, 2026