-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 EVV86vdJl/45w9o1zZwWkPjfvn5bBxPrpCtU/lyPBglRaON+EJ+47pFsTB68FH6o
 lF3vmZ3feOHcNTBBSFPr8Q==

<SEC-DOCUMENT>0001028734-09-000049.txt : 20090721
<SEC-HEADER>0001028734-09-000049.hdr.sgml : 20090721
<ACCEPTANCE-DATETIME>20090721125653
ACCESSION NUMBER:		0001028734-09-000049
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20090720
FILED AS OF DATE:		20090721
DATE AS OF CHANGE:		20090721

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			COBIZ FINANCIAL INC
		CENTRAL INDEX KEY:			0001028734
		STANDARD INDUSTRIAL CLASSIFICATION:	NATIONAL COMMERCIAL BANKS [6021]
		IRS NUMBER:				840826324
		STATE OF INCORPORATION:			CO
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		821 - 17TH STREET
		STREET 2:		SUITE 900
		CITY:			DENVER
		STATE:			CO
		ZIP:			80202
		BUSINESS PHONE:		3032932265

	MAIL ADDRESS:	
		STREET 1:		821 - 17TH STREET
		STREET 2:		SUITE 900
		CITY:			DENVER
		STATE:			CO
		ZIP:			80202

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	COBIZ INC
		DATE OF NAME CHANGE:	20010322

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	COLORADO BUSINESS BANKSHARES INC
		DATE OF NAME CHANGE:	19980407

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			White Mary M
		CENTRAL INDEX KEY:			0001315526

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-15955
		FILM NUMBER:		09954687

	MAIL ADDRESS:	
		STREET 1:		821 17TH STREET
		CITY:			DENVER
		STATE:			CO
		ZIP:			80202
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgardoc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2009-07-20</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001028734</issuerCik>
        <issuerName>COBIZ FINANCIAL INC</issuerName>
        <issuerTradingSymbol>COBZ</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001315526</rptOwnerCik>
            <rptOwnerName>White Mary M</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>821 17TH STREET</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>DENVER</rptOwnerCity>
            <rptOwnerState>CO</rptOwnerState>
            <rptOwnerZipCode>80202</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2009-07-20</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>1000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>4.26</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1500</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <ownerSignature>
        <signatureName>By: Lyne Andrich  For: Mary M White</signatureName>
        <signatureDate>2009-07-21</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----