To designate the facility of the United States Postal Service located at 2121 Meridian Park Boulevard in Concord, California, as the "Carl Jefferson Post Office Building".

HR 6849 designates the U.S. Postal Service facility at 2121 Meridian Park Boulevard in Concord, California, as the "Carl Jefferson Post Office Building." This bill updates all official U.S. government references (laws, maps, documents) to the facility to reflect its new name. It directly affects the postal facility itself and any federal records mentioning it. The bill contains no substantive policy changes or funding provisions, solely serving a ceremonial naming purpose.