Check out the local grocery stores which are within a short walking distance.
List of kosher symbols -  kosherquest.org/kosher-symbols/

Botanic Burger at JCC
Vegan / Falafel / Kosher
4126 Executive Dr, La Jolla, 92037
858-362-1353
https://botanicburgers.com/

The Place Catering   
Shabbat Meals, Takeout. Delivery Available.
10785 Pomerado Rd, San Diego, 92131;
(858) 549-7000 - (858) 549-7010 FAX - (619) 254-4420 CELL
[email protected]     www.sandiegokosher.com

Ralphs Kosher Experience
8657 Villa La Jolla Drive, La Jolla, 92037
(858)-597-1550
services.ralphs.com/StoreLocator/StoreDetails.aspx?recordId=70300108

SPICE Station at OceanView - UCSD
Check hours online
Thurgood Marshall College, 
9500 Gilman Drive 0512, La Jolla, CA 92093
hdh.ucsd.edu/DiningMenus/default.aspx?i=05

Moishe's Summer Pizza - call to confirm
call for times/dates
4855 College Ave, S Diego 92115
619-817-5914
www.bjsd.org/pizza