-----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,
 M6LtpGo0Haxjro+SgzxC1AM6jdHS7RanlYU2VbPEW1o9wKyqBEFfclvTiENzE+wb
 EP17RuObCL+dcZ1Poj3Tcg==

<SEC-DOCUMENT>0001179110-03-001342.txt : 20030530
<SEC-HEADER>0001179110-03-001342.hdr.sgml : 20030530
<ACCEPTANCE-DATETIME>20030529183556
ACCESSION NUMBER:		0001179110-03-001342
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030527
FILED AS OF DATE:		20030530

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MID-STATE BANCSHARES
		CENTRAL INDEX KEY:			0001027324
		STANDARD INDUSTRIAL CLASSIFICATION:	STATE COMMERCIAL BANKS [6022]
		IRS NUMBER:				770442667
		STATE OF INCORPORATION:			CA
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1026 GRAND AVE
		CITY:			ARROYO GRANDE
		STATE:			CA
		ZIP:			93420
		BUSINESS PHONE:		8054737700

	MAIL ADDRESS:	
		STREET 1:		1026 GRAND AVE
		CITY:			ARROYO GRANDE
		STATE:			CA
		ZIP:			93420

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MID STATE BANCSHARES
		DATE OF NAME CHANGE:	19980820

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	BSM BANCORP
		DATE OF NAME CHANGE:	19961121

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			STATHOS JAMES G
		CENTRAL INDEX KEY:			0001198893

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-23925
		FILM NUMBER:		03724243

	BUSINESS ADDRESS:	
		STREET 1:		MID-STATE BANCSHARES
		STREET 2:		POST OFFICE BOX 580
		CITY:			ARROYO GRANDE
		STATE:			CA
		ZIP:			93421-0580
		BUSINESS PHONE:		8054736829

	MAIL ADDRESS:	
		STREET 1:		MID-STATE BANCSHARES
		STREET 2:		POST OFFICE BOX 580
		CITY:			ARROYO GRANDE
		STATE:			CA
		ZIP:			93421-0580
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>FORM 4 -2003-05-27
<TEXT>
<XML>
<?xml version="1.0"?><ownershipDocument><schemaVersion>X0101</schemaVersion>    <documentType>4</documentType><periodOfReport>2003-05-27</periodOfReport><notSubjectToSection16>0</notSubjectToSection16><issuer><issuerCik>0001027324</issuerCik><issuerName>MID-STATE BANCSHARES</issuerName>        <issuerTradingSymbol>MDST</issuerTradingSymbol></issuer><reportingOwner><reportingOwnerId><rptOwnerCik>0001198893</rptOwnerCik><rptOwnerName>STATHOS JAMES G</rptOwnerName></reportingOwnerId><reportingOwnerAddress><rptOwnerStreet1>  </rptOwnerStreet1><rptOwnerStreet2>  </rptOwnerStreet2><rptOwnerCity>  </rptOwnerCity><rptOwnerState>  </rptOwnerState><rptOwnerZipCode>  </rptOwnerZipCode></reportingOwnerAddress><reportingOwnerRelationship><isDirector>0</isDirector><isOfficer>1</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther><officerTitle>Exec Vice President/CFO</officerTitle><otherText></otherText></reportingOwnerRelationship></reportingOwner><nonDerivativeSecurity><securityTitle><value>Common Stock
 - Investor Services Program through Mellon</value></securityTitle><transactionDate><value>2003-05-27</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>P</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionTimeliness><value></value></transactionTimeliness><transactionAmounts><transactionShares><value>10</value></transactionShares><transactionValue><value>20.16</value></transactionValue><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>2783</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></nonDerivativeSecurity><footnotes></footnotes><ownerSignature><signatureName>James G. Stathos</signatureName><signatureDate>2003-05-29</signatureDate></ownerSignature></ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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