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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 DLVP9zT1MC+ksEnnUO/IihwJjq09Za4BExTzH2Ly7aukME/LFak+9L1cZQHabaT2
 F7+nlQiy03A7Yhy+x/q+aA==

<SEC-DOCUMENT>9999999995-06-001017.txt : 20060802
<SEC-HEADER>9999999995-06-001017.hdr.sgml : 20060802
<ACCEPTANCE-DATETIME>20060802001515
ACCESSION NUMBER:		9999999995-06-001017
CONFORMED SUBMISSION TYPE:	EFFECT
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20060801
DATE AS OF CHANGE:		20060802
EFFECTIVENESS DATE:		20060801

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			GREATER BAY BANCORP
		CENTRAL INDEX KEY:			0000775473
		STANDARD INDUSTRIAL CLASSIFICATION:	NATIONAL COMMERCIAL BANKS [6021]
		IRS NUMBER:				770387041
		STATE OF INCORPORATION:			CA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		EFFECT
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-96909
		FILM NUMBER:		06995935

	BUSINESS ADDRESS:	
		STREET 1:		1900 UNIVERSITY AVENUE, 6TH FLOOR
		CITY:			EAST PALO ALTO
		STATE:			CA
		ZIP:			94303
		BUSINESS PHONE:		4153751555

	MAIL ADDRESS:	
		STREET 1:		1900 UNIVERSITY AVENUE, 6TH FLOOR
		STREET 2:		420 COWPER ST
		CITY:			EAST PALO ALTO
		STATE:			CA
		ZIP:			943031504

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MID PENINSULA BANCORP
		DATE OF NAME CHANGE:	19941031

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SAN MATEO COUNTY BANCORP
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>EFFECT
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<edgarSubmission>

    <schemaVersion>X0101</schemaVersion>

    <submissionType>EFFECT</submissionType>

    <act>33</act>

    <testOrLive>LIVE</testOrLive>

    <effectiveData>
        <finalEffectivenessDispDate>2006-08-01</finalEffectivenessDispDate>
        <accessionNumber>0001193125-06-107863</accessionNumber>
        <submissionType>POS AM</submissionType>
        <filer>
            <cik>0000775473</cik>
            <entityName>GREATER BAY BANCORP</entityName>
            <fileNumber>333-96909</fileNumber>
        </filer>
    </effectiveData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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