William's Irish Tavern - Authentic Pub in Washington, New Jersey
Est. 2016 • Washington, NJ
Our Story
Authentic Irish Atmosphere in Warren County
Located in the heart of Washington, New Jersey, William's Irish Tavern is your authentic pub destination for traditional Irish fare, cold drinks, and a truly warm welcome. As a premier destination in Warren County, we pride ourselves on creating a space that feels just like home.
Whether you are joining us for a quick lunch, gathering the family for a hearty dinner, or catching up with friends over a perfectly poured pint of Guinness, our doors are always open to you. Our diverse menu features a carefully curated mix of time-honored classics and modern tavern favorites. From our legendary, thin-crust signature bar pies to rich, savory Irish dishes, every plate is crafted to perfection.
We believe a great pub is the heartbeat of its community. That is why we regularly host live music, local events, and seasonal celebrations, bringing vibrant nightlife right to the avenue. If you are looking to host a private party or have any questions about our offerings, please don't hesitate to contact us directly. Grab a stool, raise a glass, and experience the best hospitality in town.
"There are no strangers here; Only friends you haven't met yet."
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The Best Bar Pie in Warren County
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Happenings at the Tavern
Frequently Asked Questions
Our Pub, Our Menu & Visiting Us
Is William's Irish Tavern a good Irish pub near Washington, NJ?
Yes — William's Irish Tavern is a neighborhood Irish pub in the heart of Washington, NJ (Warren County), pouring perfectly poured pints of Guinness and serving traditional Irish fare in a warm, welcoming setting. We're a local favorite for guests from Hackettstown, Phillipsburg, Clinton and across New Jersey.
What kind of food does William's Irish Tavern serve?
A little of everything: our famous thin-crust bar pies, five styles of cheesesteak, handmade 8 oz. burgers, wings with eight house sauces, and traditional Irish dishes like shepherd's pie and beer-battered fish & chips — plus a full Sunday brunch.
Does William's Irish Tavern serve Sunday brunch?
Yes — we serve a full brunch every Sunday from 12PM to 3PM, with plates like Irish omelettes, eggs benedict and chicken & waffles, plus bottomless mimosas.
Do you take reservations?
We keep it easygoing — William's is first come, first served, so there's no need to book ahead. Just stop in and we'll get you seated as soon as a table opens up. Planning a bigger group or private party? Give us a call at (908) 689-9411 and we'll be glad to help you sort it out.
Do you have Guinness and a full bar?
Absolutely. We pour Guinness and a rotating draft beer list, plus a full bar with seasonal cocktails and mocktails. Ask about our weekly food specials and events.
Where is William's Irish Tavern located and what areas do you serve?
We're at 101 East Washington Ave, Washington, NJ 07882, in the heart of Warren County — proudly serving Hackettstown, Phillipsburg, Clinton, Belvidere, Long Valley and guests from across New Jersey.