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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 Reuben Sandwich, Breakfast, Fried Chicken, Coleslaw, Huevos Rancheros, Burgers, Wings, Iced Coffee, Fish Tacos, Burritos, Grits, French Toast, French Fries, Crab Cakes, Mozzarella Sticks, Eggs Benedict, Breakfast Burrito, Pastries, Cheesecake, Bagels, Omelette, Coffee, Fries, Tater Tots, Blt, Pancakes, Maryland Crab Cakes, Grilled Chicken, Veggie Burgers, Pie, Fruit Bowl, Monte Cristo, Oatmeal, Nachos, Pizza, Fajitas, French Dip, Meatloaf, BBQ, Fish Sandwich, Hot Chocolate, Salads, Avocado Toast, Caesar Salad, Grilled Cheese, Cobb Salad, Home Fries, Veggie Burger, Chicken Salad, Lasagna, Onion Rings, Potato Chips, Breakfast Bowl, Mashed Potatoes, Tuna Melt, Club Sandwich, Hot Dogs, Chef Salad, Turkey Burger, Panini, Cheeseburger, Chili, Texas Chili, Toast, Eggs, Waffles, Pasta, Sausage, Chicken Sandwich, Quesadillas, Chicken Tacos, Fruit Bowls, Chicken Wings, Breakfast Wrap, Soup, and Potato Salad
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 Woodbridge.
Our location
