POWER OF ATTORNEY Regarding M.D.C. Holdings, Inc. (Company), the undersigned hereby constitutes and appoints each of Rebecca B. Givens and Joseph H. Fretz, signing singly, and with full power of substitution, the undersigned?s true and lawful attorney-in-fact to: 1.	execute for and on behalf of the undersigned any and all reports (including amendments) under Section 16 of the Securities Exchange Act of 1934, including Forms 3, 4 and 5, as such law (and related rules) and forms, may be amended from time to time; 2.	do and perform any and all acts for and on behalf of the undersigned which may be necessary or desirable to complete the execution of any such reports (including Form 3, 4 and 5 and any amendments thereto), and the timely filing of such reports and forms with the United States Securities and Exchange Commission, the New York Stock Exchange, and any other authority where such reports and forms are required to be filed; and 3.	take any other action of any type whatsoever in connection with the foregoing which, in the judgment of such attorney- in-fact, may be of benefit to, in the best interest of, or legally required by the undersigned, it being understood that the documents executed by such attorney-in-fact on behalf of the undersigned pursuant to this Power of Attorney shall be in such form and shall contain such terms and conditions as such attorney-in-fact may approve in such attorney-in-fact?s discretion. The undersigned hereby grants to each such attorney-in-fact full power and authority to do and perform all and every act and thing whatsoever requisite, necessary and proper to be done in the exercise of any of the rights and powers herein granted, as fully to all intents and purposes as such attorney-in-fact might or could do if personally present, with full power of substitution or revocation, hereby ratifying and confirming all that such attorney-in-fact, or his/her substitute or substitutes, shall lawfully do or cause to be done by virtue of this Power of Attorney and the rights and powers herein granted. The undersigned acknowledges that the foregoing attorneys- in-fact, in serving in such capacity at the request of the undersigned, are not assuming any of the undersigned's responsibilities to comply with or liabilities under Section 16 of the Securities Exchange Act of 1934. This Power of Attorney does not relieve the undersigned from responsibility for compliance with the undersigned's obligations, including reporting requirements, under Section 16 of the Exchange Act. This Power of Attorney shall remain in full force and effect until the undersigned is no longer required to file reports under Section 16 (including Forms 3, 4 and 5) with respect to the undersigned?s holdings of and transactions in securities issued by the Company, unless earlier revoked by the undersigned in a signed writing delivered to the foregoing attorneys-in-fact. This Power of Attorney revokes all previous powers of attorney with respect to the subject matter of this Power of Attorney. Accordingly, the undersigned has executed this Power of Attorney, effective as of November 4, 2021. /s/ Robert N. Martin Signature 	Page 1 of 2