<SEC-DOCUMENT>0001683863-21-001245-index.html : 20210302
<SEC-HEADER>0001683863-21-001245.hdr.sgml : 20210302
<ACCEPTANCE-DATETIME>20210302082725
ACCESSION NUMBER:		0001683863-21-001245
CONFORMED SUBMISSION TYPE:	N-CSR
PUBLIC DOCUMENT COUNT:		16
CONFORMED PERIOD OF REPORT:	20201231
FILED AS OF DATE:		20210302
DATE AS OF CHANGE:		20210302
EFFECTIVENESS DATE:		20210302

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			COLUMBIA FUNDS SERIES TRUST I
		CENTRAL INDEX KEY:			0000773757
		IRS NUMBER:				363376651
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			0630

	FILING VALUES:
		FORM TYPE:		N-CSR
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-04367
		FILM NUMBER:		21701361

	BUSINESS ADDRESS:	
		STREET 1:		225 FRANKLIN STREET
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02110
		BUSINESS PHONE:		800-345-6611

	MAIL ADDRESS:	
		STREET 1:		225 FRANKLIN STREET
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02110

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	COLUMBIA FUNDS TRUST IX
		DATE OF NAME CHANGE:	20031107

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	LIBERTY STEIN ROE FUNDS MUNICIPAL TRUST
		DATE OF NAME CHANGE:	19991025

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	STEINROE MUNICIPAL TRUST
		DATE OF NAME CHANGE:	19920703
<SERIES-AND-CLASSES-CONTRACTS-DATA>
<EXISTING-SERIES-AND-CLASSES-CONTRACTS>
<SERIES>
<OWNER-CIK>0000773757
<SERIES-ID>S000012072
<SERIES-NAME>Columbia Real Estate Equity Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000032863
<CLASS-CONTRACT-NAME>Columbia Real Estate Equity Fund Class A
<CLASS-CONTRACT-TICKER-SYMBOL>CREAX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000032865
<CLASS-CONTRACT-NAME>Columbia Real Estate Equity Fund Class C
<CLASS-CONTRACT-TICKER-SYMBOL>CRECX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000032867
<CLASS-CONTRACT-NAME>Columbia Real Estate Equity Fund Institutional Class
<CLASS-CONTRACT-TICKER-SYMBOL>CREEX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000094672
<CLASS-CONTRACT-NAME>Columbia Real Estate Equity Fund Class R
<CLASS-CONTRACT-TICKER-SYMBOL>CRSRX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000094674
<CLASS-CONTRACT-NAME>Columbia Real Estate Equity Fund Institutional 2 Class
<CLASS-CONTRACT-TICKER-SYMBOL>CRRVX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000122663
<CLASS-CONTRACT-NAME>Columbia Real Estate Equity Fund Advisor Class
<CLASS-CONTRACT-TICKER-SYMBOL>CRERX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000171305
<CLASS-CONTRACT-NAME>Columbia Real Estate Equity Fund Institutional 3 Class
<CLASS-CONTRACT-TICKER-SYMBOL>CREYX
</CLASS-CONTRACT>
</SERIES>
</EXISTING-SERIES-AND-CLASSES-CONTRACTS>
</SERIES-AND-CLASSES-CONTRACTS-DATA>
</SEC-HEADER>
<DOCUMENT>
<TYPE>N-CSR
<SEQUENCE>1
<FILENAME>f8209d1.htm
<DESCRIPTION>COLUMBIA FUNDS SERIES TRUST I
<TEXT>
Document 1 - file: f8209d1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.CODE ETH
<SEQUENCE>2
<FILENAME>f8209d2.htm
<DESCRIPTION>CODE OF ETHICS
<TEXT>
Document 2 - file: f8209d2.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.CERT
<SEQUENCE>3
<FILENAME>f8209d3.htm
<DESCRIPTION>SECTION 302 CERTIFICATION
<TEXT>
Document 3 - file: f8209d3.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.906 CERT
<SEQUENCE>4
<FILENAME>f8209d4.htm
<DESCRIPTION>SECTION 906 CERTIFICATION
<TEXT>
Document 4 - file: f8209d4.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>img459759742.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: img459759742.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>img7e96ebc93.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: img7e96ebc93.jpg

</DOCUMENT>
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<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>img8474d8314.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: img8474d8314.jpg

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<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>imgd9aefcb31.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 8 - file: imgd9aefcb31.jpg

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<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>g8ify2i4zml5xp21t1fnj.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 9 - file: g8ify2i4zml5xp21t1fnj.jpg

</DOCUMENT>
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<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>gaamxon3v1jxst5wer9ow.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 10 - file: gaamxon3v1jxst5wer9ow.jpg

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<TYPE>GRAPHIC
<SEQUENCE>11
<FILENAME>gbe4u8u6be7sqavjqly5h.jpg
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<TEXT>
Document 11 - file: gbe4u8u6be7sqavjqly5h.jpg

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<SEQUENCE>12
<FILENAME>gch97a4yk81i2m3a42gj9.jpg
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<TEXT>
Document 12 - file: gch97a4yk81i2m3a42gj9.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>13
<FILENAME>gd15toccyft3x9fppqq6h.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 13 - file: gd15toccyft3x9fppqq6h.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>14
<FILENAME>ghmodnqiruyxmexglu3f1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 14 - file: ghmodnqiruyxmexglu3f1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>15
<FILENAME>gpjm01u6qurcbqent1a4s.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 15 - file: gpjm01u6qurcbqent1a4s.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>16
<FILENAME>gzyynvkck1g3mtzjpwfw7.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 16 - file: gzyynvkck1g3mtzjpwfw7.jpg

</DOCUMENT>
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