Saw James E. House Jr. listed in NARA files.No service number was posted.
Also found this listing at the NWW2M.Do you know Ernest Leal?Might be worth tracking him down. James E. House BRANCH OF SERVICE U.S. Marine Corps
HOMETOWN Gustine, CA
HONORED BY Mr. Ernest Leal, Friend ACTIVITY DURING WWII COMPANY I, 3RD BATTALION, 27TH REGIMENT. ENLISTED DECEMBER 8, 1941. PARTICIPATED IN VARIOUS INVASIONS, HELPED FORM THE 5TH MARINE DIVISION AT CAMP PENDLETON, CALIFORNIA. LANDED ON IWO JIMA AT 1100 HOURS ON FEBRUARY 19, 1945. KILLED ON FEBRUARY 28, 1945 BY MORTAR FIRE.
There are 13 listings for Ernest Leals across the USA.This one in Sacramento might be worth a try.
Leal, Ernest 6020 Wardell Way Sacramento, CA 95823-4267 (916) 422-3286
NARA Honor Book for US NAVY lists NOK as: Mrs James E. House Jr.2525 5th Ave. SacramentoPerhaps a trip to County records would yield documents regarding occupancy or ownership.