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1099 Santa Ynez Ave, Los Osos, CA 93402-2742
+1 805-528-0779
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  • Excellent62%
  • Very good33%
  • Average3%
  • Poor1%
  • Terrible1%
Travellers talk about
“burger” (75 reviews)
“fries” (32 reviews)
“beef” (8 reviews)
Closed Now
All hours
American, Fast food
$$ - $$$
1099 Santa Ynez Ave, Los Osos, CA 93402-2742
All Details
Write a ReviewReviews (157)
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1 - 10 of 152 reviews

Reviewed 2 weeks ago

This was my 4th or 5th visit to Sylvester's and it is without a doubt the best burger joint in Los Osos, if not in the entire San Luis Obispo County. Yes, $11 and change for a half-pound burger topped with Swiss cheese and smothered...More

Thank rmongoos
Reviewed 2 weeks ago

Every time I have gone to this location the staff has been very friendly. The food is really good, has a nice place to sit outside when the weather is cooperative.

Thank Eric M
Reviewed 2 weeks ago via mobile

While $10 for a burger without fries can be a little hard to swallow (sorry), you may find the food here is worth it. Tastiest burger beef I've ever had. Really great garlic fries (double fried, unlike the regular fries, but you can get the...More

Thank Maggers
Reviewed 4 weeks ago via mobile

This place is funky but great. It’s not a typical fast food place, but it is fast paced and efficiently run. Staff is friendly and the food is yummy.

Thank Martinezman
Reviewed 11 December 2017

best burger in town by far. Great selection of beers . Big and best burgers by far great onion ring and french fry also onion rings.

Thank rickalbropainting
Reviewed 27 November 2017

This place has delicious, juicy burgers, with many choices and toppings available. You can even have a bison burger! There are fries, onion rings and salads. There's a relaxed and fun atmosphere, seating is indoors or out. This is a great place to go for...More

Thank onaroll56
Reviewed 10 November 2017

This is by far the best hamburger place on the Central Coast. Old Fashion, juicy burgers and fries. Great milk shakes too. Lots of other things to choose from. Tight, but seating in and out.

Thank William J
Reviewed 9 August 2017

If you are in the Los Osos area and want a special treat, you must stop at Sylvester's. The food is amazing! If you leave here hungry that is your own fault.

Thank carrien493
Reviewed 20 July 2017

I love the menu selections of burgers. So many I wanted to try. The staff was very nice and social, but attentive. Small, but nice beer selections, and my turkey burger and fries were good. Had to try the onion rings that my friend swears...More

Thank BBmex
Reviewed 11 July 2017

Sylvester's is an Estero Bay mainstay. The family operation has been slinging burgers for many years. Big, juicy, tasty and a lot of different ways to have them! If you're a burger expert you owe yourself a visit to Sylvester's.

Thank Dead-Air-Dave
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Restaurant Details

Rating summary
  • Food
  • Value
Lunch, Dinner
Restaurant features
Takeout, Seating, Wheelchair Accessible, Serves Alcohol
Good for
Child-friendly, Kids
Open Hours
11:00 am - 9:00 pm
11:00 am - 9:00 pm
11:00 am - 9:00 pm
11:00 am - 9:00 pm
11:00 am - 9:00 pm
11:00 am - 9:00 pm
11:00 am - 9:00 pm
Location and Contact Information
  • Address: 1099 Santa Ynez Ave, Los Osos, CA 93402-2742
  • Location: United States  >  California (CA)  >  San Luis Obispo County  >  Los Osos
  • Phone Number: +1 805-528-0779
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