SAN FRANCISCO-The 49ers has announced support for the Mills Corp. and the YMCA, which have proposed a $200-million mixed-use recreational development. The Giants support New York-based Chelsea Piers on its 500,000-plus-sf project.

OAKLAND, CA-City officials learned this week they need to approve a new vision for the former Oakland Army Base before the land swap of the 422-acre base between the port and city can be finalized.

SAN FRANCISCO-After 18 months of construction, a new 252-room hotel has opened in the center of Fisherman's Wharf, providing travelers with easy access to Ghiradelli Square, Pier 39 and the Cannery.

ALAMEDA, CA-The struggling electronics retailer has given up its San Francisco digs in favor of cheaper rents across the Bay. Good Guys will move its 140 workers into a new 31,000-sf office next month.

SAN FRANCISCO-The on-line project management firm for builders and property owners has acquired Madison Real Estate Technologies and unveiled a new application for lending institutions.

SAN FRANCISCO-Equity Office Properties Trust promotes its managing director of leasing for its San Francisco portfolio to senior vice president for its newly created regional office here.

ANTIOCH, CA-The $20-million project is scheduled to break ground later this year and be finished by 2004. Part of the financing will come from Sutter Health, other monies are expected to come from philanthropic sources.

HAYWARD, CA-The Sunnyvale-based digital fiber optics company has signed a five-year lease at the park. More affordable rents are expected to keep attracting firms to the East Bay, which is close by Silicon Valley.