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Open 24 Hours. Open for Everyone.
South Plainfield's neighborhood diner — serving breakfast, lunch, dinner, and everything in between, any time you need it.
A Booth for Any Hour
Whether it's Sunday morning with the family or 2 a.m. after a long shift, there's a warm seat and a hot plate waiting for you.
Something for Every Craving
A Full Bar at the Diner
Cocktails, beer, and wine alongside your favorite diner plates. Not something you see every day — but you'll find it here.
Open 24 Hours, Any Occasion
Any Occasion
We're always open, so your event doesn't have to fit a narrow window. Call us to talk through what you need.
Where South Plainfield Gathers
The Park Ave Diner has been the neighborhood's around-the-clock kitchen — good food and a familiar booth always waiting, no matter the hour.
The Park Ave Diner Rewards
Join our rewards program, earn points every time you order online, and redeem your points for free food!
Frequently Asked Questions
What are you known for?
We are known for Fish Sandwich, Burritos, Hot Chocolate, Avocado Toast, Mozzarella Sticks, Grilled Chicken, Fried Chicken, Meatloaf, Pasta, Eggs Benedict, Waffles, Chicken Tacos, Grilled Cheese, Tuna Melt, Eggs, Pizza, Fries, Chicken Sandwich, French Fries, Bagels, Veggie Burger, BBQ, Sausage, Lasagna, Iced Coffee, Breakfast, Chili, Reuben Sandwich, Home Fries, Tater Tots, Wings, Fajitas, Club Sandwich, Soup, Nachos, Cheesecake, Chef Salad, Fruit Bowls, Chicken Wings, Cobb Salad, Grits, Oatmeal, Pastries, Breakfast Burrito, French Toast, Coleslaw, Blt, Potato Chips, Turkey Burger, Chicken Salad, Cheeseburger, Breakfast Bowl, Veggie Burgers, Maryland Crab Cakes, Panini, Caesar Salad, Pie, Onion Rings, Crab Cakes, Fish Tacos, Hot Dogs, Salads, Fruit Bowl, Potato Salad, Toast, Mashed Potatoes, Coffee, Monte Cristo, Breakfast Wrap, Texas Chili, Pancakes, Quesadillas, French Dip, Omelette, Burgers, and Huevos Rancheros
Where are you located?
We are located in South Plainfield, NJ at 2002 Park Ave
What areas do you serve?
We serve the following areas: Avon Park, Plainfield, South Plainfield, North Edison, Oak Tree, Samptown, Edison, Potters, North Plainfield, Scotch Plains, Pumptown, New Dover, New Market, Fanwood, Dunellen, Piscataway, Lynn Woodoaks, Woodbridge Oaks, Watchung, and Shore View.
Our location
