Recent social media posts
04/15/2026
Congratulations to Sushi Chinaloa who picked up our building lease.
We wish him the best and hope the castle park community adopts this new business in the area.
On a side note we have our liquor license for sale and if anyone is interested please email [email protected]
12/30/2025
This is our last day in business.
Thanks to everyone who showed up asking if there was a chance. We have made this decision carefully over the last few weeks/months.
12/27/2025
Unfortunately Casa Don Diego is closing doors in the next few days.
Come and visit us before it’s too late.
-Ownership.
12/24/2025
Merry Xmas!
We will close Dec 24&25.
Back on Friday 26th
12/23/2025
Enchiladas, Chile’s rellenos, carnitas, Fajitas.
Come get your to go trays.
From $37.95. Today only.
Closed 24th and 25th.
11/06/2025
Fajitas are now in the Tray Family Deals!
Get our Chicken Fajitas tray for $56.95 includes refried beans, rice , tortillas, sour cream and salsa Fresca.
Feeds 5-7 people.
Other trays available: Carnitas, Enchiladas
Offer ends Nov 8.
10/31/2025
Just a reminder for our customers that we close at 5pm today Friday Oct 31st.
10/25/2025
Come pickup a ‘Family tray’. They feed 5-7 people and you can pick from 3 choices:
10 Enchiladas (cheese or chicken) for $37.95
7 Chile Rellenos for $44.95
and
3 lbs of Carnitas for $46.95
All trays come with rice and beans, rice and beans.
Carnitas also comes with tortillas, salsa fresca and salsa tatemada.
Promo ends Oct 31
Take out only.
08/14/2025
Casa Don Diego Chula Vista
07/26/2025
This is casa don diego.
We are not a ‘trendy’ restaurant, nor we are a high class restaurant. But we have definitely poured some love into these meals since 1969.
Haven’t been here? Try a carne asada dinner or a combination plate.
Love coming in? Share the address with your friends and co-workers.
Life is tough? Come grab a beer with us.
Celebrating life? We have great margaritas.
1199 3rd ave.
Address
1199 3rd Avenue
Chula Vista, CA
91911
Directions to the Mexican restaurant and family style restaurant and bar & grill on 3rd Avenue in Chula Vista:
Public transport: Take any bus that stops at 3rd Avenue in Chula Vista. Get off at the nearest stop to the restaurant.
Driving/parking: Take the highway that leads to Chula Vista and follow signs for 3rd Avenue. Once you reach 3rd Avenue, look for parking spots near the restaurant or use a nearby parking lot.
Opening Hours
| Tuesday |
11am - 8pm |
| Wednesday |
11am - 9pm |
| Thursday |
11am - 9pm |
| Friday |
11am - 10pm |
| Saturday |
8am - 10pm |
| Sunday |
8am - 8pm |
Alerts
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What people say
Mexican restaurants are known for their vibrant atmosphere, delicious food, and refreshing drinks. Casa Don Diego Restaurant Chula Vista CA is no exception to this rule. This family-style restaurant has been serving the residents of Chula Vista since 1969 and has become a staple in the community.
One of the things that sets Casa Don Diego apart from other Mexican restaurants is its commitment to quality food and service. The menu features a variety of authentic Mexican dishes, including their famous Chicken and Beef Fajitas. And let's not forget about their Margaritas - they are simply amazing!
The family atmosphere at Casa Don Diego is another reason why it's so popular among Chula Vista residents. It's not uncommon to see grandparents bringing their grandchildren to enjoy a meal together and share stories about their experiences at the restaurant over the years.
If you're looking for a great place to enjoy authentic Mexican food and drinks with your loved ones, look no further than Casa Don Diego Restaurant Chula Vista CA on 3rd Avenue. With its warm ambiance, friendly staff, and delicious cuisine, it's sure to become one of your favorite spots in town!