<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2005-01-21</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000726603</issuerCik>
        <issuerName>TOUCHSTONE APPLIED SCIENCE ASSOCIATES INC /NY/</issuerName>
        <issuerTradingSymbol>TASA</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001049955</rptOwnerCik>
            <rptOwnerName>SIMON ANDREW L</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O TOUCHSTONE APPLIED SCIENCE ASSOC.INC</rptOwnerStreet1>
            <rptOwnerStreet2>4 HARDSCRABBLE HEIGHTS PO BOX 382</rptOwnerStreet2>
            <rptOwnerCity>BREWSTER</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10509</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>President and CEO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Option to buy, Common Stock, par value $.001</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>3.15</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2005-01-21</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>20000</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2006-01-21</value>
            </exerciseDate>
            <expirationDate>
                <value>2015-01-21</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>20000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>191875</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">issued pursuant to 2000 Stock Option Plan</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Andrew L. Simon</signatureName>
        <signatureDate>2005-02-09</signatureDate>
    </ownerSignature>
</ownershipDocument>
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X0202
4
2005-01-21
0
0000726603
TOUCHSTONE APPLIED SCIENCE ASSOCIATES INC /NY/
TASA
0001049955
SIMON ANDREW L
C/O TOUCHSTONE APPLIED SCIENCE ASSOC.INC
4 HARDSCRABBLE HEIGHTS PO BOX 382
BREWSTER
NY
10509
1
1
0
0
President and CEO
Option to buy, Common Stock, par value $.001
3.15
2005-01-21
4
A
0
20000
0
A
2006-01-21
2015-01-21
Common Stock
20000
191875
D
issued pursuant to 2000 Stock Option Plan
Andrew L. Simon
2005-02-09