• We are now taking Reservations for Thanksgiving! Enjoy our delicious food and beautiful atmosphere. Call Now

    ( 908-232-4454 )


Welcome to L’Affaire Fine Catering: New Jersey’s Finest Catering Company

Welcome to L’Affaire Fine Catering where you will find the perfect combination of location and service in Mountainside, NJ. At L’Affaire, enjoy the advantages of elegant and comfortable homestyle restaurant dining, as well as a full-service catering company. For over four decades, L’Affaire has been hosting and catering special events, making each more memorable than the last.

We are now taking reservations for Thanksgiving!

Enjoy our delicious food and beautiful atmosphere. Call Fran at L’Affaire for more information about reservations and book today!

A Sophisticated Atmosphere for Weddings

L’Affaire Fine Catering’s classic style venue is well known for making the entire wedding planning process simple and stress free. From the décor to the dinner menu, L’Affaire will make sure your wedding is everything you dreamed and more. Their long-standing reputation sets them apart as the premier wedding venue in Mountainside, NJ. If you are looking for an elite wedding venue that is sure to take your breath away, you’ve come to the right place!

Celebrate Milestones With Elegance and Ease

Whether you are celebrating a birthday, a bar/bat mitzvah, a quinceañera, an anniversary, a retirement, a bridal shower, a baby shower, or other event, L’Affaire is the place to celebrate any of these special occasions. Our delicious food and elegant atmosphere set the scene for any special event to be absolutely memorable.

We Cater to You

L’Affaire Fine Catering is known for their attention to detail and quality of service. Perfectly located on Garden State Parkway, the banquet facilities and dining room at L’Affaire overlook a beautifully landscaped lawn with gazebos and gardens, perfect for pictures. Our friendly and professional staff is devoted to paying attention to every detail of your event from start to finish. When planning a special event, put yourself in the hands of someone who truly cares. Put yourself in the hands of L’Affaire!

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  • We've been hosting weddings and commitment ceremonies for more than 35 years, and our staff is dedicated to making yours the most romantic and magical day of your life!


    Over the years, we have been privileged to host many bar/bat mitzvah celebrations.
    Our experienced and professional staff would be delighted to enchant you and your guests with an exquisite banquet accompanied by the finest service.
    We understand the significance of sweet 16 celebrations and quinceañeras, and our banquet staff and preferred professionals will lend their expertise to help you create the most wonderful and memorable experience for you and your guests to enjoy.
    Whether you're celebrating a new account, hosting potential clients, honoring a retiring colleague, or demonstrating a new product, our staff is dedicated to providing the best in service and the finest cuisine for corporate and small business events.