According to Do LA, here's a list of SoCAL retailers that have sold 2 or more winning lotto tickets since 2013!
ALLANS MARKET WINE & LOTTO
2521 N. Ventura Rd
Port Hueneme, CA 93041
Number of winning tickets: 6
BLUEBIRD LIQUOR
13746 S. Hawthorne Bl
Hawthorne, CA 90250
Number of winning tickets: 4
TOWN AND COUNTRY NEWSSTAND
6330 W Third St
Los Angeles, CA 90036
Number of winning tickets: 3
MIKE'S BEVERAGE SHOP
42263 50th Street W #101
Quartz Hill, CA 93536
Number of winning tickets: 3
MR. C'S LIQUOR
1925 S. Pacific Av
San Pedro, CA 90731
Number of winning tickets: 3
CARROLL CENTRE ARCO
9720 Carroll Centre Rd #A
San Diego, CA 92126
Number of winning tickets: 3
7-ELEVEN 2133-17957C
2201 E. Channel Island Blvd
Oxnard, CA 93033
Number of winning tickets: 3
7-ELEVEN 2369-4202G
1540 Solano Av
Albany, CA 94706
Number of winning tickets: 2
KWIK STOP
3157 Walnut Av
Fremont, CA 94536
Number of winning tickets: 2
LYONS LIQUOR
4100 Foothill Bl
Oakland, CA 94601
Number of winning tickets: 2
FINNEGAN'S JUG
1084 E 1st Av
Chico, CA 95926
Number of winning tickets: 2
STUDIO INN
2582 Esplanade
Chico, CA 95973
Number of winning tickets: 2
DELTA PURE WATER
41 Sand Creek Rd #A
Brentwood, CA 94513
Number of winning tickets: 2
ROYAL LIQUOR
270 W. Elm Ave
Coalinga, CA 93210
Number of winning tickets: 2
7-ELEVEN 2175-18394B
2150 S. Fremont Av
Alhambra, CA 91803
Number of winning tickets: 2
ALCON LIQUOR
21315 Saticoy St
Canoga Park, CA 91304
Number of winning tickets: 2
LIQUORLAND
928 E. Covina Bl
Covina, CA 91724
Number of winning tickets: 2
7-ELEVEN 2175-13993D
530 N. Diamond Bar Bl
Diamond Bar, CA 91765
Number of winning tickets: 2
JAL-CO LIQUOR
2566 Durfee Av
El Monte, CA 91732
Number of winning tickets: 2
7-ELEVEN 2176-23050C
13701 Hawthorne Bl
Hawthorne, CA 90250
Number of winning tickets: 2
7-ELEVEN 2175-25185A
14656 Francisquito Av
La Puente, CA 91746
Number of winning tickets: 2
7-ELEVEN 2176-24207A
5870 E Del Amo Bl
Lakewood, CA 90713
Number of winning tickets: 2
7-ELEVEN 2173-18820
11143 Venice Bl
Los Angeles, CA 90034
Number of winning tickets: 2
7-ELEVEN 2173-24171B
2512 Figueroa St
Los Angeles, CA 90007
Number of winning tickets: 2
MAPLE LIQUOR
10421 S Western Av
Los Angeles, CA 90047
Number of winning tickets: 2
SILVER GLEN LIQUOR
2474 Glendale Bl
Los Angeles, CA 90039
Number of winning tickets: 2
WASHINGTON MARKET
5390 W Washington Bl
Los Angeles, CA 90016
Number of winning tickets: 2
7-ELEVEN 2136-16278C
8625 Lankershim Bl
North Hollywood, CA 91606
Number of winning tickets: 2
DEL GADIO'S MARKET
10567 San Fernando Rd
Pacoima, CA 91331
Number of winning tickets: 2
7-ELEVEN 2133-15127
2873 E Avenue R
Palmdale, CA 93550
Number of winning tickets: 2
LIQUOR BOX
1445 Lincoln Avenue
Pasadena, CA 91103
Number of winning tickets: 2
SAN DIMAS LIQUOR
1427 W Arrow Hwy
San Dimas, CA 91773
Number of winning tickets: 2
7-ELEVEN 2133-13876B
146 Hubbard St
San Fernando, CA 91340
Number of winning tickets: 2
VALENCIA LIQUOR STORE
22925 Lyons Av
Santa Clarita, CA 91321
Number of winning tickets: 2
7-ELEVEN 2136-13889G
15601 Nordhoff St
Sepulveda, CA 91343
Number of winning tickets: 2
7-ELEVEN 2176-24078
1699 W Carson St
Torrance, CA 90501
Number of winning tickets: 2
LOVE LIQUOR AND GROCERIES
823 W Anaheim St
Wilmington, CA 90744
Number of winning tickets: 2
BAYCREST LIQUOR
333 E 17th St
Costa Mesa, CA 92627
Number of winning tickets: 2
7-ELEVEN 2172-16927E
10950 Warner Av
Fountain Valley, CA 92708
Number of winning tickets: 2
7-ELEVEN 2174-15194
3259 Associated Rd
Fullerton, CA 92835
Number of winning tickets: 2
HANSHAW LIQUOR #1
10971 Westminster Av
Garden Grove, CA 92843
Number of winning tickets: 2
7-ELEVEN 2174-26109
4320 Katella Av
Los Alamitos, CA 90720
Number of winning tickets: 2
7-ELEVEN 2172-19969
290 S Main St
Orange, CA 92868
Number of winning tickets: 2
NADY'S MARKET #4
652 S Harbor Bl
Santa Ana, CA 92704
Number of winning tickets: 2
PHIL'S MOBIL
1465 S Main St
Santa Ana, CA 92707
Number of winning tickets: 2
RAINER PURE WATER
5015 W. Edinger Av #D
Santa Ana, CA 92707
Number of winning tickets: 2
AL'S MARKET
15456 Brookhurst St
Westminster, CA 92683
Number of winning tickets: 2
ZIGGY'S SPIRIT SHOP
345 W. 6th St
Beaumont, CA 92223
Number of winning tickets: 2
MCGRUEDERS LIQUOR AND SMOKE SHOP
1943 Riv Rd
Norco, CA 92860
Number of winning tickets: 2
CIRCLE K 0321
45 00 Portola Av
Palm Desert, CA 92260
Number of winning tickets: 2
7-ELEVEN 2112-16690
798 N Sunrise Way
Palm Springs, CA 92262
Number of winning tickets: 2
CIRCLE K 0633
3223 Interchange St
Riverside, CA 92501
Number of winning tickets: 2
STEWART'S LIQUOR
5505 Van Buren Bl
Riverside, CA 92504
Number of winning tickets: 2
MARIETTA LIQUOR & DELI
27985 Bradley Rd
Sun City, CA 92586
Number of winning tickets: 2
R & R LIQUOR
871 N. Rancho Av
Colton, CA 92324
Number of winning tickets: 2
SAV A MINIT MARKET
17690 Arrow Hwy
Fontana, CA 92335
Number of winning tickets: 2
HESPERIA-MESA MART
18920 Danbury Av
Hesperia, CA 92345
Number of winning tickets: 2
7-ELEVEN 2171-13969A
636 N Vine Av
Ontario, CA 91762
Number of winning tickets: 2
CHUCKS LIQUOR
467 Foothill Bl
Rialto, CA 92376
Number of winning tickets: 2
7-ELEVEN 2131-18218
807 E 8th St
National City, CA 91950
Number of winning tickets: 2
7-ELEVEN 2111-13603
4983 Cass St
San Diego, CA 92109
Number of winning tickets: 2
RALPHS GROCERY #159
3011 Alta View Dr
San Diego, CA 92139
Number of winning tickets: 2
BOTTLE LIQUOR
999 Main St
Morro Bay, CA 93442
Number of winning tickets: 2
7-ELEVEN 2133-188223D
5810 Hollister Av
Goleta, CA 93117
Number of winning tickets: 2
7-ELEVEN 2133-25194C
620 W. Ocean Av
Lompac, CA 93436
Number of winning tickets: 2
ORCUTT LIQUOR
105 E. Clark Ave
Orcutt, CA 93455
Number of winning tickets: 2
JP LIQUORS
996 Loraine Av
Los Altos, CA 94022
Number of winning tickets: 2
7-ELEVEN 2367-14292
4270 Senter Rd
San Jose, CA 95111
Number of winning tickets: 2
HANA'S BOTTLE SHOP
3149 El Camino Real
Santa Clara, CA 95051
Number of winning tickets: 2
U SAVE LIQUOR
930 Almar Av
Santa Cruz, CA 95060
Number of winning tickets: 2