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1099 Santa Ynez Ave, Los Osos, CA 93402-2742
+1 805-528-0779
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  • Excellent59%
  • Very good34%
  • Average4%
  • Poor2%
  • Terrible1%
Travellers talk about
“burger” (109 reviews)
“onion rings” (15 reviews)
Open Now
11:00 - 21:00All hours
American, Fast food
$$ - $$$
1099 Santa Ynez Ave, Los Osos, CA 93402-2742
All Details
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Reviews (149)
Traveller rating
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1 - 10 of 145 reviews

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
Reviewed 27 May 2017

a popular spot for a terrific hamburger with pretty much anything you want on it. their sauce is great. I also like their fish and chips, great onion rings, and pastrami sandwiches, plus good salads.

Thank Susan D
Reviewed 25 May 2017

Called in order in advance and it was ready when I arrived. Ordered three different burgers, fries, and chocolate shakes. All delicious.

Thank Celeste R
Reviewed 18 May 2017 via mobile

I might be one of the few who actually doesn't like a burger that you need a bib and a towel, in order to eat it. A good burger doesn't need 10+ ingredients on it. I don't get why they insist on drowning your burger...More

Thank CentralCoastWine
Reviewed 11 April 2017

One of the best, old-fashioned hamburgers. Great fries and, even better onion rings. Fun diner-style restaurant where you can get a free burger on your birthday.

Thank margaretbV6882AL
Reviewed 11 April 2017 via mobile

We have been here several times. Lots of good options at reasonable prices. They now take charge cards. My husband enjoyed the fish n chips for only $7.95. The have three hamburger sizes: 1/3, 1/2 or 1 pounders. You can also get in on a...More

Thank Ruth R
Reviewed 16 March 2017 via mobile

Very good specialty burgers. You need to make sure you don't miss going here to have a great burger.

Thank pmricelake
Reviewed 22 February 2017

Killer burgers with a wide variety of toppings - and game meats way beyond beef - make this a real treat. The baskets of fries are killer quantity.

Thank eheyman
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Nearby Attractions
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443 reviews
3.29 km away
Elfin Forest Preserve
101 reviews
2.10 km away
Sweet Springs Nature Preserve
62 reviews
.94 km away
Morro Bay State Park
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3.75 km away
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Restaurant Details

Rating summary
  • Food
  • Value
Lunch, Dinner
Restaurant features
Takeout, Seating, Serves Alcohol, Wheelchair Accessible
Good for
Kids, Child-friendly
Open Hours
11:00 - 21:00
11:00 - 21:00
11:00 - 21:00
11:00 - 21:00
11:00 - 21:00
11:00 - 21:00
11:00 - 21:00
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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