Ownership Submission
FORM 3
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF 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 *
  Apple Robert E
2. Date of Event Requiring Statement (Month/Day/Year)
12/04/2006
3. Issuer Name and Ticker or Trading Symbol
MASTEC INC [MTZ]
(Last)
(First)
(Middle)
800 DOUGLAS RD, 12TH FLOOR
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Chief Operations Officer
5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

CORAL GABLES, FL 33134
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 Beneficially Owned
1.Title of Security
(Instr. 4)
2. Amount of Securities Beneficially Owned
(Instr. 4)
3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)
4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Common Stock (1) 12,400
D
 

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)
2. Date Exercisable and Expiration Date
(Month/Day/Year)
3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)
4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)
6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Incentive Stock Option (right to buy) (2) 04/04/2006 04/04/2015 Common Stock 39,471 $ 7.6 D  
Incentive Stock Option (right to buy) (3) 08/03/2009 08/03/2016 Common Stock 7,733 $ 12.93 D  
Non-Qualified Stock Option (right to buy) (2) 04/04/2006 04/04/2015 Common Stock 10,529 $ 7.6 D  
Non-Qualified Stock Option (right to buy) (4) 11/01/2006 11/01/2015 Common Stock 40,000 $ 10.01 D  
Non-Qualified Stock Option (right to buy) (3) 08/03/2007 08/03/2016 Common Stock 92,267 $ 12.93 D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Apple Robert E
800 DOUGLAS RD
12TH FLOOR
CORAL GABLES, FL 33134
      Chief Operations Officer  

Signatures

By: /s/ Albert de Cardenas For: Robert E Apple 12/08/2006
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(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) These shares represent shares of restricted stock granted under the MasTec, Inc. 2003 Employee Stock Incentive Plan. A pro rata portion of these shares will vest at the end of each fiscal quarter over the next year beginning on June 30, 2006.
(2) Exempt stock option grant that vests over three years. First two years vesting is 33%. Third year vesting is 34%. Vesting begins twelve months after date of grant (4/4/2005).
(3) Exempt stock option grant that vests over three years. First two years vesting is 33%. Third year vesting is 34%. Vesting begins twelve months after date of grant (08/03/2006).
(4) Exempt stock option grant that vests over three years. First two years vesting is 33%. Third year vesting is 34%. Vesting begins twelve months after date of grant (11/01/2005).

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