Bay Area Naval Base Approved for Neighborhood Conversion

The plan also sets aside much of the former base for open space and park areas. The development could add nearly 30,000 people to the city of 120,000.

"Tuesday's vote at a crowded meeting lays the final development blueprint to add 12,272 housing units, 28,800 residents, 26,530 jobs and a park bigger than Tilden Regional Park to the 5,028-acre site.

The plan would put higher-density, transit-oriented development near the North Concord BART station, along with three "villages" along the southwest border of the base in the area known as "bunker city."

It leaves about 65 percent of the site as open space or park land, including almost the entire area east of Mount Diablo Creek.