Diamond Bar Center 1600 Grand Avenue • Diamond Bar • California 91765

At Diamond Bar Center in Diamond Bar, your room rental includes tables and chairs, access to the foyer and patio, easels, flags, table signs, directional sign holders, and a microphone with a portable sound system. It's a bring-your-own venue, so linens, cutlery and decorations aren't included, and you'll hire your own licensed caterer. The catering kitchen and the outdoor areas each carry their own usage fee and deposit, and a dance floor and dressing area are extra too. If you serve alcohol, plan for a $500 alcohol deposit and paid security, and every event needs its own liability insurance. Cleanup is yours as well, and it has to fit inside your rental time.

Yes, you can hold both at Diamond Bar Center. Ceremonies take place outdoors on the Wedding Oval, a lawn with the San Gabriel Mountains behind it that holds up to 240 guests, reached by a covered walkway lined with roses and iris. Then you'll move inside to the Grand View Ballroom, which seats up to 438 for dinner, or 372 with a 1,000-square-foot dance floor, and has a wall of windows overlooking the San Gabriel Valley. The Oval is for ceremonies only, and it's available from an hour before your room setup until sunset.

Yes, Diamond Bar Center is bring-your-own, so you choose your vendors. Food has to come from a licensed caterer, restaurant or deli, and they'll need to submit a valid Public Health Permit at least 30 days before your wedding. Homemade food and drinks aren't allowed. Your caterer can use the catering kitchen, and full and two-thirds ballroom rentals get priority on it. Alcohol is allowed with the City's written permission, served from a bar by someone 21 or older, for up to 5 hours, with security on-site.

At Diamond Bar Center in Diamond Bar, room rental runs $468–$5,617 per event, depending on the day of the week, the time of day and the space you reserve. The full Grand View Ballroom is $5,617.87 for six hours at the non-resident rate, plus $524.90 for each extra hour and a $750 deposit, and two-thirds of the ballroom is $4,298.51 for six hours. Weekend and Sunday ballroom rentals have a six-hour minimum, while weekday ballroom rentals start at two hours, which gives you more flexibility Monday–Thursday. Since it's bring-your-own, your caterer, linens, decor, security for alcohol service and event insurance are separate. A 50% deposit is due when you sign, and the balance is due 60 days before your event.

At Diamond Bar Center, Friday and Saturday events can run 7:30am–midnight, and Sunday–Thursday events 7:30am–11pm, with the hour after that set aside for cleanup only. Your rental time has to include setup and cleanup, and ballroom rentals need at least a one-hour cleanup period. Weekend ballroom rentals have a six-hour minimum. Amplified music is allowed indoors, and outdoors it has to stop by 10pm and stay at 50 decibels.

Diamond Bar Center pairs a big ballroom with a bring-your-own setup, so you pick every vendor yourself. The Grand View Ballroom seats up to 438 for dinner, with a wall of windows overlooking the San Gabriel Valley, and ceremonies happen on the Wedding Oval lawn with the San Gabriel Mountains as the backdrop. You choose your own licensed caterer, and alcohol is allowed with City approval. The 22,500-square-foot Craftsman-style building sits in Summitridge Park, it's wheelchair accessible, restrooms included, and there's a large parking lot for guests. Weekday ballroom rentals start at just two hours, which opens up options if you're working with a smaller budget.

Yes, Diamond Bar Center has smaller rooms that work well for an intimate wedding. The Sycamore Room seats 60 for dinner and opens onto a landscaped private patio, the Oak Room seats 100, the Pine Room 66 and the Maple Room 32. Smaller rooms have a two-hour minimum, including a 30-minute cleanup period, and Diamond Bar residents can book up to 24 months ahead. It's a practical way to get a real reception space without paying for a 400-seat ballroom.