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 *
  Dobbins Mark W
 2. Date of Event Requiring Statement (Month/Day/Year)
03/10/2006		 3. Issuer Name and Ticker or Trading Symbol
NCI BUILDING SYSTEMS INC [NCS]
(Last)
(First)
(Middle)
10943 NORTH SAM HOUSTON PARKWAY WEST		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Pres & COO of EBS Division
 5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

HOUSTON, TX 77008		 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, $0.01 par value 27,000
D
 
Common Stock, $0.01 par value 310
I
By NCI 401(k) plan (1)

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
Options to purchase common stock 01/20/2004 01/20/2010 Common Stock, $0.01 par value 4,000 $ 16.5 D  
Options to purchase common stock 12/15/2004 12/15/2010 Common Stock, $0.01 par value 2,222 $ 18 D  
Options to purchase common stock 06/15/2005 06/15/2011 Common Stock, $0.01 par value 2,614 $ 15.3 D  
Options to purchase common stock 12/15/2005 12/15/2011 Common Stock, $0.01 par value 5,281 $ 15.15 D  
Options to purchase common stock   (2) 06/15/2012 Common Stock, $0.01 par value 2,286 $ 17.5 D  
Options to purchase common stock   (3) 12/15/2012 Common Stock, $0.01 par value 2,907 $ 20.64 D  
Options to purchase common stock   (4) 06/15/2013 Common Stock, $0.01 par value 3,311 $ 18.12 D  
Options to purchase common stock   (5) 12/15/2013 Common Stock, $0.01 par value 2,455 $ 24.44 D  
Options to purchase common stock   (6) 06/15/2014 Common Stock, $0.01 par value 1,988 $ 30.18 D  
Options to purchase common stock   (7) 12/15/2014 Common Stock, $0.01 par value 1,639 $ 36.62 D  
Options to purchase common stock   (8) 06/15/2015 Common Stock, $0.01 par value 1,808 $ 33.19 D  
Options to purchase common stock   (9) 12/15/2015 Common Stock, $0.01 par value 1,364 $ 44 D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Dobbins Mark W
10943 NORTH SAM HOUSTON PARKWAY WEST
HOUSTON, TX 77008		       Pres & COO of EBS Division  

Signatures

Mark W. Dobbins 03/17/2006
**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) Holdings under 401(k) plan are reported based on the plan statement provided as of December 14, 2005.
(2) The options become fully exercisable on June 15, 2006.
(3) The options become fully exercisable on December 15, 2006.
(4) The options become fully exercisable in two equal annual installments beginning on June 15, 2006.
(5) The options become fully exercisable in two equal annual installments beginning on December 15, 2006.
(6) The options become fully exercisable in three equal annual installments beginning on June 15, 2006.
(7) The options become fully exercisable in three equal annual installments beginning on December 15, 2006.
(8) The options become fully exercisable in four equal annual installments beginning on June 15, 2006.
(9) The options become fully exercisable in four equal annual installments beginning on December 15, 2006.

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