<SEC-DOCUMENT>0001193125-21-196449-index.html : 20210623
<SEC-HEADER>0001193125-21-196449.hdr.sgml : 20210623
<ACCEPTANCE-DATETIME>20210622191658
ACCESSION NUMBER:		0001193125-21-196449
CONFORMED SUBMISSION TYPE:	424B2
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20210623
DATE AS OF CHANGE:		20210622

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MARTIN MARIETTA MATERIALS INC
		CENTRAL INDEX KEY:			0000916076
		STANDARD INDUSTRIAL CLASSIFICATION:	MINING, QUARRYING OF NONMETALLIC MINERALS (NO FUELS) [1400]
		IRS NUMBER:				561848578
		STATE OF INCORPORATION:			NC
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		424B2
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-238199
		FILM NUMBER:		211036762

	BUSINESS ADDRESS:	
		STREET 1:		2710 WYCLIFF ROAD
		CITY:			RALEIGH
		STATE:			NC
		ZIP:			27607
		BUSINESS PHONE:		919-781-4550

	MAIL ADDRESS:	
		STREET 1:		2710 WYCLIFF ROAD
		CITY:			RALEIGH
		STATE:			NC
		ZIP:			27607
</SEC-HEADER>
<DOCUMENT>
<TYPE>424B2
<SEQUENCE>1
<FILENAME>d152516d424b2.htm
<DESCRIPTION>424(B)(2)
<TEXT>
Document 1 - file: d152516d424b2.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>g152516g05z94.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: g152516g05z94.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>g152516g66v99.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: g152516g66v99.jpg

</DOCUMENT>
</SEC-DOCUMENT>