Lucca Osteria & Bar

Lucca Osteria & Bar, in the heart of Oak Brook, offers more than just a meal—it delivers a heartfelt Italian experience shaped by tradition, flavor, and genuine hospitality. With a spacious dining room, vibrant bar, and welcoming lounge, Lucca Osteria has quickly become a neighborhood favorite for rustic Northern Italian cuisine and elevated, yet approachable, service.

At the helm are Managing Partner Steven Hartenstein and Chef & Partner Claudio Ulivieri, a duo whose shared vision is rooted in community and culinary authenticity. Their goal for Lucca Osteria is simple but ambitious: to make it a gathering place where guests feel right at home, whether they’re sipping an aperitif after work, celebrating a special occasion, or enjoying dinner with family.

“Our goal for Lucca Osteria is to be sociable and welcoming,” says Hartenstein. “We want guests to feel comfortable coming in for drinks with friends, gathering with family for meals, and hosting milestone moments like baby showers, rehearsal dinners, and graduation parties. Oak Brook is like Claudio’s backyard. The people in the community are longtime friends who feel like family.”

The menu at Lucca Osteria is a reflection of Chef Claudio’s roots, growing up in the Tuscan region of Italy. His dishes draw from a lifetime of memories and meals in his hometown, delivering bold, rustic flavors prepared with fresh, high-quality ingredients. The menu features a diverse selection of antipasti, handcrafted pastas, fresh seafood, wood-fired pizzas, and traditional Italian entrées.

For those looking to celebrate life’s special moments, Lucca Osteria offers flexible spaces ideal for private events of all sizes. Via Fillungo and Torre Guinigi—two private dining rooms adjacent to the main space—can each accommodate 40 guests or 80 when combined. The charming café-style Mercatino di Lucca seats up to 35, while the main dining room can be reserved for up to 100 guests. The outdoor patio provides an idyllic setting for summer gatherings, with seating for 80 surrounded by florals, fresh herbs, and bright umbrellas—making it a perfect destination for al fresco dining and festive celebrations.

With its warm ambiance and heartfelt approach to hospitality, Lucca Osteria is a true culinary gem in the western suburbs.