The Centennial Hall Convention Center was a former gymnasium and convention center

Convention center

A convention center is a large building that is designed to hold a convention, where individuals and groups gather to promote and share common interests. Convention centers typically offer sufficient floor area to accommodate several thousand attendees...

 located in downtown Hayward

Downtown Hayward

Downtown Hayward is the original and current city center of Hayward, California, and is home to the current Hayward City Hall, along with the two previous city halls, Alex Giualini Plaza and The Tower at Hayward City Center...

, in the City Center complex with the former Centennial Tower

Centennial Tower (Hayward)

The tower at Hayward City Center, known briefly as Centennial Tower, is clearly visible as the tallest building in downtown Hayward, California. It is the second tallest in Hayward after Warren Hall on the Cal State East Bay campus...

. It closed as a convention center on November 1, 2009, and was demolished shortly afterward.

History

The city of Hayward opened Centennial Hall as a convention center in honor of the city's 100th birthday. Before that it was the gymnasium for Hayward Union High School

Hayward High School

Hayward High School is a public high school in Hayward, California, one of four high schools in the city. It is one of the oldest high schools in Northern California. The official mascot for Hayward High is the "Farmer" which dates back to Hayward's period as an agricultural center...

. The hall contained 14000 square feet (1,300.6 m²) of exhibit space and a capacity of up to 1,500 for events. It had eight additional rooms totaling 11448 square feet (1,063.6 m²) and a 1280 square feet (118.9 m²) patio.