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      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 11pt; FONT-FAMILY: Arial">UNITED
        STATES</font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 11pt; FONT-FAMILY: Arial">SECURITIES
        AND
        EXCHANGE COMMISSION</font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 11pt; FONT-FAMILY: Arial">Washington,
        D.C.
        20549</font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 18pt; FONT-FAMILY: Arial"><strong>FORM
        8-K</strong></font><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 14pt; FONT-FAMILY: Arial"><strong>CURRENT
        REPORT</strong></font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center">&#160;</div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 14pt; FONT-FAMILY: Arial"><strong>PURSUANT
        TO
        SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934</strong></font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 14pt; FONT-FAMILY: Arial">Date
        of Report
        (Date of earliest event reported):&#160; <strong>September 6,
        2005</strong></font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">&#160;</div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><img src="bmhc-logo1.jpg" alt=""></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 14pt; FONT-FAMILY: Arial"><u>www.bmhc.com</u></font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">&#160;</div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 24pt; FONT-FAMILY: Arial"><strong>Building
        Materials Holding Corporation</strong></font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><br></div>
      <div>
        <div align="left">
          <table cellpadding="0" cellspacing="0" width="100%">

              <tr>
                <td valign="top" width="33%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 14pt; FONT-FAMILY: Arial"><strong>Delaware</strong></font></div>
                </td>
                <td valign="top" width="33%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 14pt; FONT-FAMILY: Arial"><strong>000-23135</strong></font></div>
                </td>
                <td valign="top" width="34%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 14pt; FONT-FAMILY: Arial"><strong>91-1834269</strong></font></div>
                </td>
              </tr>
              <tr>
                <td valign="top" width="33%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 11pt; FONT-FAMILY: Arial">(State
                    of
                    incorporation)</font></div>
                </td>
                <td valign="top" width="33%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 11pt; FONT-FAMILY: Arial">(Commission
                    File Number)</font></div>
                </td>
                <td valign="top" width="34%">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 11pt; FONT-FAMILY: Arial">(IRS
                    Employer
                    Identification No.)</font></div>
                </td>
              </tr>

          </table>
        </div>
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      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 14pt; FONT-FAMILY: Arial"><strong>Four
        Embarcadero Center, Suite 3250, San Francisco, CA 94111</strong></font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 14pt; FONT-FAMILY: Arial"><strong>(415)
        627-9100</strong></font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 11pt; FONT-FAMILY: Arial">Check
        the
        appropriate box below if the Form 8-K filing is intended to simultaneously
        satisfy the filing obligation of the registrant under any of the following
        provisions:</font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><br></div>
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                  <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt"><font style="FONT-FAMILY: Wingdings">o</font></div>
                </td>
                <td>
                  <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt"><font style="DISPLAY: inline; FONT-SIZE: 11pt; FONT-FAMILY: Arial">Written
                    communications pursuant to Rule 425 under the Securities Act
                    (17 CFR
                    230.425)</font></div>
                </td>
              </tr>

          </table>
        </div>
      </div>
      <div style="DISPLAY: block; MARGIN-LEFT: 18pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><br></div>
      <div>
        <div>
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                <td style="WIDTH: 18pt">
                  <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt">
                    <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt"><font style="FONT-FAMILY: Wingdings">o</font></div>
                  </div>
                </td>
                <td>
                  <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt"><font style="DISPLAY: inline; FONT-SIZE: 11pt; FONT-FAMILY: Arial">Soliciting
                    material pursuant to Rule 14a-12 under the Exchange Act (17 CFR
                    240.14a-12)</font></div>
                </td>
              </tr>

          </table>
        </div>
      </div>
      <div style="DISPLAY: block; MARGIN-LEFT: 18pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">&#160;</div>
      <div>
        <table align="center" border="0" cellpadding="0" cellspacing="0" id="hangingindent" width="100%">

            <tr valign="top" style="LINE-HEIGHT: 1.25">
              <td style="WIDTH: 18pt">
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                  <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt"><font style="FONT-FAMILY: Wingdings">o</font></div>
                </div>
              </td>
              <td>
                <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt"><font style="DISPLAY: inline; FONT-SIZE: 11pt; FONT-FAMILY: Arial">Pre-commencement
                  communications pursuant to Rule 14d-2(b) under the Exchange Act
                  (17 CFR
                  240.14d-2(b))</font></div>
              </td>
            </tr>

        </table>
      </div>
      <div style="DISPLAY: block; MARGIN-LEFT: 18pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">&#160;</div>
      <div>
        <div>
          <table align="center" border="0" cellpadding="0" cellspacing="0" id="hangingindent" width="100%">

              <tr valign="top" style="LINE-HEIGHT: 1.25">
                <td style="WIDTH: 18pt">
                  <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt">
                    <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt"><font style="FONT-FAMILY: Wingdings">o</font></div>
                  </div>
                </td>
                <td>
                  <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt"><font style="DISPLAY: inline; FONT-SIZE: 11pt; FONT-FAMILY: Arial">Pre-commencement
                    communications pursuant to Rule 13e-4(c) under the Exchange Act
                    (17 CFR
                    240.13e-4(c))</font></div>
                </td>
              </tr>

          </table>
        </div>
      </div>
      <div style="DISPLAY: block; MARGIN-LEFT: 18pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">&#160;</div>
    </div>
    <div id="PGBRK" style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt">
      <div id="FTR">
        <div id="GLFTR" style="WIDTH: 100%" align="left">
        </div>
      </div>
      <div id="PN" style="PAGE-BREAK-AFTER: always">
        <div style="WIDTH: 100%; TEXT-ALIGN: center">
        </div>
        <div style="WIDTH: 100%; TEXT-ALIGN: center">
          <hr style="COLOR: black" noshade size="2">
        </div>
      </div>
      <div id="HDR">
        <div id="GLHDR" style="WIDTH: 100%" align="right">
        </div>
      </div>
    </div>
    <div><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 11pt; FONT-FAMILY: Times New Roman"><strong><u>Item
      1.01</u></strong></font><font id="TAB2" style="COLOR: black; LETTER-SPACING: 9pt">&#160;
</font><font style="DISPLAY: inline; FONT-SIZE: 11pt; FONT-FAMILY: Times New Roman"><strong><u>Entry
      Into a Material Definitive Agreement</u></strong></font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 11pt; FONT-FAMILY: Times New Roman">On
      September 6, 2005, our wholly owned subsidiary, BMC Construction, Inc., agreed
      to acquire an additional 20% interest in WBC Construction, LLC for approximately
      $15 million in cash. This purchase price is subject to adjustment based on
      WBC
      Construction's operating performance for the period ended December 31, 2005.
      The
      purchase of the additional 20% interest complements our original acquisition
      of
      60% and is effective&#160;August 1, 2005. </font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 11pt; FONT-FAMILY: Times New Roman">WBC
      Construction provides foundation and shell construction services to high-volume
      production homebuilders in Florida.</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 11pt; FONT-FAMILY: Times New Roman"><strong>Signature</strong></font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 11pt; FONT-FAMILY: Times New Roman">Pursuant
      to the requirements of the Securities Exchange Act of 1934, the Registrant
      has
      duly caused this report to be signed on its behalf by the undersigned hereunto
      duly authorized.</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">
      <div>
        <table align="center" bgcolor="#ffffff" border="0" cellpadding="0" cellspacing="0" width="100%">

            <tr valign="top" bgcolor="#ffffff">
              <td width="50%">&#160;</td>
              <td width="1%">&#160;</td>
              <td width="49%">&#160;</td>
            </tr>
            <tr valign="top" bgcolor="#ffffff">
              <td>&#160;</td>
              <td colspan="2" valign="bottom">
                <div align="left"><font style="DISPLAY: inline; FONT-SIZE: 11pt; FONT-FAMILY: Times New Roman">Building
                  Materials Holding Corporation</font></div>
              </td>
            </tr>
            <tr valign="top" bgcolor="#ffffff">
              <td>&#160;<br>&#160;</td>
              <td>&#160;<br>&#160;</td>
              <td>&#160;<br></td>
            </tr>
            <tr valign="top" bgcolor="#ffffff">
              <td><font style="DISPLAY: inline; FONT-SIZE: 11pt; FONT-FAMILY: Times New Roman">Date:
                </font><font style="DISPLAY: inline; FONT-SIZE: 11pt; FONT-FAMILY: Times New Roman">September
                9, 2005</font></td>
              <td colspan="2" width="0"><font style="DISPLAY: inline; FONT-SIZE: 11pt; FONT-FAMILY: Times New Roman">/s/&#160;Paul
                </font><font style="DISPLAY: inline; FONT-SIZE: 11pt; FONT-FAMILY: Times New Roman">S.
                </font><font style="DISPLAY: inline; FONT-SIZE: 11pt; FONT-FAMILY: Times New Roman">Street</font></td>
            </tr>
            <tr valign="top" bgcolor="#ffffff">
              <td><font style="DISPLAY: inline; FONT-SIZE: 11pt; FONT-FAMILY: Times New Roman">&#160;</font></td>
              <td colspan="2" width="0">
                <hr style="COLOR: #000000" align="left" noshade size="2" width="25%"><font style="DISPLAY: inline; FONT-SIZE: 11pt; FONT-FAMILY: Times New Roman">Paul
                </font><font style="DISPLAY: inline; FONT-SIZE: 11pt; FONT-FAMILY: Times New Roman">S.
                Street</font></td>
            </tr>
            <tr valign="top" bgcolor="#ffffff">
              <td><font style="DISPLAY: inline; FONT-SIZE: 11pt; FONT-FAMILY: Times New Roman">&#160;</font></td>
              <td colspan="2" width="0"><font style="DISPLAY: inline; FONT-SIZE: 11pt; FONT-FAMILY: Times New Roman">Senior
                Vice President, Chief Administrative Officer,<br>General Counsel and
                Corporate Secretary</font></td>
            </tr>
            <tr valign="top" bgcolor="#ffffff">
              <td>&#160;</td>
              <td colspan="2" width="0">&#160;</td>
            </tr>

        </table>
      </div><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div id="PGBRK" style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt">
      <div id="FTR">
        <div id="GLFTR" style="WIDTH: 100%" align="left">
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        <div style="WIDTH: 100%; TEXT-ALIGN: center">
        </div>
        <div style="WIDTH: 100%; TEXT-ALIGN: center">
          <hr style="COLOR: black" noshade size="2">
        </div>
      </div>
      <div id="HDR">
        <div id="GLHDR" style="WIDTH: 100%" align="right">
        </div>
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    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;&#160;
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{"company-data": {"conformed-name": "BUILDING MATERIALS HOLDING CORP", "cik": "0001046356", "assigned-sic": "5211", "irs-number": "911834269", "state-of-incorporation": "DE", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "000-23135", "film-number": "051077400"}, "business-address": {"street1": "FOUR EMBARCADERO CENTER", "street2": "SUITE 3250", "city": "SAN FRANCISCO", "state": "CA", "zip": "94111", "phone": "415-627-9100"}, "mail-address": {"street1": "FOUR EMBARCADERO CENTER", "street2": "SUITE 3250", "city": "SAN FRANCISCO", "state": "CA", "zip": "94111"}}
Unassociated Document
UNITED
        STATES
SECURITIES
        AND
        EXCHANGE COMMISSION
Washington,
        D.C.
        20549
FORM
        8-K
CURRENT
        REPORT
PURSUANT
        TO
        SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
Date
        of Report
        (Date of earliest event reported):
September 6,
        2005
www.bmhc.com
Building
        Materials Holding Corporation
Delaware
000-23135
91-1834269
(State
                    of
                    incorporation)
(Commission
                    File Number)
(IRS
                    Employer
                    Identification No.)
Four
        Embarcadero Center, Suite 3250, San Francisco, CA 94111
(415)
        627-9100
Check
        the
        appropriate box below if the Form 8-K filing is intended to simultaneously
        satisfy the filing obligation of the registrant under any of the following
        provisions:
o
Written
                    communications pursuant to Rule 425 under the Securities Act
                    (17 CFR
                    230.425)
o
Soliciting
                    material pursuant to Rule 14a-12 under the Exchange Act (17 CFR
                    240.14a-12)
o
Pre-commencement
                  communications pursuant to Rule 14d-2(b) under the Exchange Act
                  (17 CFR
                  240.14d-2(b))
o
Pre-commencement
                    communications pursuant to Rule 13e-4(c) under the Exchange Act
                    (17 CFR
                    240.13e-4(c))
Item
      1.01
Entry
      Into a Material Definitive Agreement
On
      September 6, 2005, our wholly owned subsidiary, BMC Construction, Inc., agreed
      to acquire an additional 20% interest in WBC Construction, LLC for approximately
      $15 million in cash. This purchase price is subject to adjustment based on
      WBC
      Construction's operating performance for the period ended December 31, 2005.
      The
      purchase of the additional 20% interest complements our original acquisition
      of
      60% and is effective August 1, 2005.
WBC
      Construction provides foundation and shell construction services to high-volume
      production homebuilders in Florida.
Signature
Pursuant
      to the requirements of the Securities Exchange Act of 1934, the Registrant
      has
      duly caused this report to be signed on its behalf by the undersigned hereunto
      duly authorized.
Building
                  Materials Holding Corporation
Date:
September
                9, 2005
/s/ Paul
S.
Street
Paul
S.
                Street
Senior
                Vice President, Chief Administrative Officer,
General Counsel and
                Corporate Secretary