EXHIBIT 23.1 CONSENT OF INDEPENDENT ACCOUNTANTS We consent to the incorporation by reference in the registration statement of MasTec, Inc. and subsidiaries on Form S-4 of our report dated February 28, 1997, on our audits of the consolidated financial statements of MasTec, Inc. and subsidiaries as of December 31, 1996 and 1995, and for the years ended December 31, 1996, 1995 and 1994. We also consent to the reference to our firm under the caption "Experts". /s/ COOPERS & LYBRAND L.L.P. COOPERS & LYBRAND L.L.P. Miami, Florida June 30, 1997 MASTEC, INC. July 2, 1997 Securities and Exchange Commission Division of Corporation Finance 450 Fifth Street N.W. Washington, DC 20549 RE: Registration Statement on Form S-4 of MasTec, Inc. Dear sir or madam: Accompanying this letter is the referenced registration statement relating to the offering by MasTec, Inc. of up to 2,500,000 shares of its common stock in one or more acquisitions. The required registration fee in the amount of $34,753.79 has been paid electronically by Fedwire transfer. The company's previous Form S-4 registration statement was declared effective without a staff review. Please inform me as soon as possible whether the registration statement will be reviewed so that we can request acceleration of effectiveness under Rule 461 promptly. Sincerely, Jose M. Sariego Senior Vice President and General Counsel Enclosure