Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
SORZANO JOSE S
   2. Issuer Name and Ticker or Trading Symbol
MASTEC INC [MTZ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
_____ Officer (give title below) __X__ Other (specify below)
Director
(Last)
(First)
(Middle)
5305 LEE HIGHWAY NORTH		 3. Date of Earliest Transaction (Month/Day/Year)
12/01/2004
(Street)

ARLINGTON, VA 22207		 4. If Amendment, Date Original Filed(Month/Day/Year)
 6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)		 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)		 4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)		 5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)		 6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)		 7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Common Stock               2,253 D  

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)		 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)		 5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)		 6. Date Exercisable and Expiration Date
(Month/Day/Year)		 7. Title and Amount of Underlying Securities
(Instr. 3 and 4)		 8. Price of Derivative Security
(Instr. 5)		 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)		 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)		 11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Non-Qualified Stock Option (right to buy) (1) $ 8.8 12/01/2004   A   20,000   12/01/2005(2) 12/01/2014 Common Stock 20,000 $ 0 20,000 D  
Non-Qualified Stock Option (right to buy) $ 4.32               (3) 11/12/2006 Common Stock 20,000   20,000 D  
Non-Qualified Stock Option (right to buy) $ 4.86               (4) 06/02/2013 Common Stock 7,500   7,500 D  
Non-Qualified Stock Option (right to buy) $ 5.7833               (5) 06/28/2005 Common Stock 22,500   22,500 D  
Non-Qualified Stock Option (right to buy) $ 12.695               (5) 03/22/2008 Common Stock 20,000   20,000 D  
Non-Qualified Stock Option (right to buy) $ 13.655               (5) 06/27/2008 Common Stock 10,000   10,000 D  
Non-Qualified Stock Option (right to buy) $ 13.87               (6) 12/16/2013 Common Stock 50,000   50,000 D  
Non-Qualified Stock Option (right to buy) $ 14.0625               (5) 12/29/2007 Common Stock 15,000   15,000 D  
Non-Qualified Stock Option (right to buy) $ 14.5555               (5) 06/04/2006 Common Stock 24,750   24,750 D  
Non-Qualified Stock Option (right to buy) $ 17.8959               (5) 05/25/2009 Common Stock 15,000   15,000 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
SORZANO JOSE S
5305 LEE HIGHWAY NORTH
ARLINGTON, VA 22207		   X     Director

Signatures

 By: /s/ Jose Llerena For: Jose S Sorzano   12/03/2004
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) Formula stock option grant pursuant to MasTec, Inc. Amended and Restated 2003 Plan for Non-Employees for no cash consideration.
(2) Exempt stock option grant that vests over three years beginning twelve months after date of grant (12/01/2004). First year 33% vests. Second year an additional 33% vests. Third year remaining 34% vests.
(3) Exempt stock option granted under the MasTec, Inc. 1994 Stock Option Plan for Non-Employee Directors. 50% will vest May 15, 2002 and remaining 50% will vest May 2003.
(4) Exempt stock option grant that vests over three years. First two years vest at 33% and third year vests at 34%. Vesting begins twelve months after date of grant (06/02/2003).
(5) Exempt stock option under the MasTec, Inc. 1994 Stock Option Plan for Non-Employee Directors which vest 1/3 per year beginning twelve months from the date of grant in equal installments.
(6) Exempt stock option grant that vests over three years. First two years vest at 33% and third year vests at 34%. Vesting begins twelve months after date of grant (12/16/2003).

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