-----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,
 PUPU8PsSVsAVRVdiPKeLNKS86V+T7+U4O0Gkl9SfguZVqoZKoS2XJu7lkVR51EvJ
 SqA0OX8kNqV0eOWzu7vK3g==

<SEC-DOCUMENT>0001140361-06-015917.txt : 20061109
<SEC-HEADER>0001140361-06-015917.hdr.sgml : 20061109
<ACCEPTANCE-DATETIME>20061109191123
ACCESSION NUMBER:		0001140361-06-015917
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20061010
FILED AS OF DATE:		20061109
DATE AS OF CHANGE:		20061109

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			NORTH BAY BANCORP/CA
		CENTRAL INDEX KEY:			0001102595
		STANDARD INDUSTRIAL CLASSIFICATION:	NATIONAL COMMERCIAL BANKS [6021]
		IRS NUMBER:				680434802
		STATE OF INCORPORATION:			CA
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1500 SOSCOL AVE
		CITY:			NAPA
		STATE:			CA
		ZIP:			94559
		BUSINESS PHONE:		7072578500

	MAIL ADDRESS:	
		STREET 1:		1500 SOSCOL AVE
		CITY:			NAPA
		STATE:			CA
		ZIP:			94559

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SMITH WYMAN G III
		CENTRAL INDEX KEY:			0001205881

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-31080
		FILM NUMBER:		061204204

	MAIL ADDRESS:	
		STREET 1:		1511 PARTRICK ROAD
		CITY:			NAPA
		STATE:			CA
		ZIP:			94558
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc1.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2006-10-10</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001102595</issuerCik>
        <issuerName>NORTH BAY BANCORP/CA</issuerName>
        <issuerTradingSymbol>NBAN</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001205881</rptOwnerCik>
            <rptOwnerName>SMITH WYMAN G III</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1000 MAIN STREET</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NAPA</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94559</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Corporate Secretary</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common</value>
            </securityTitle>
            <transactionDate>
                <value>2006-10-10</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>3440</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>3440</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>AsTrustee of the Wyman G. Smith Jr. Marital Trust</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <remarks>The Reporting Person is the successor trustee of the Wyman G. Smith, Jr. Marital Trust on account of the death of Mrs. Wyman G. Smith, Jr. on October 10, 2006.</remarks>

    <ownerSignature>
        <signatureName>Wyman G. Smith, III</signatureName>
        <signatureDate>2006-11-09</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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