Mt. Shasta Office www.mtshastahome.com Our office is located at 204 W. Lake St. in Mount Shasta, California. From Interstate 5, take the Central Mount Shasta Exit. At the stop sign, turn right onto Lake St., continue on Lake Street about 2 tenths of a mile; when you cross the railroad tracks you will see our CENTURY 21 Advantage office on the left side of the street. See map below. Email our Mt. Shasta Branch Office. | Mt. Shasta Branch Map      Siskiyou County Map - Office Locations