Join the SourMouse NYC Family for unforgettable memories. Let us help you plan your Birthday bash or Corporate Extravaganza! Why Book a Package? Lock in your time: Secure your preferred time slot. No worrying about walk-ins taking your spot! Personalized Service: Our top-notch staff will cater to your every need, from food and drinks to bottles for your group. Reserved Seating Area: Your event deserves its space. We'll have you situated.