MARTINEZ -- Last-minute ballots in three elections-by-mail in parts of Contra Costa County can be dropped off at collection centers in Central County and West County, and at the election office in Martinez on election day, May 6, the county's registrar of voters announced.

Mail-in ballots for Measure A in the Acalanes Union High School District, Measure B in the Lafayette School District and Measure C in the West Contra Costa Healthcare District, can be returned from 7 a.m. to 8 p.m. on Tuesday, May 6, at any of the following locations:

  • Lafayette United Methodist Church, 955 Moraga Road, Lafayette.

  • Holy Shepherd Lutheran Church, 433 Moraga Way, Orinda.

  • Walnut Creek Elks Lodge, 1475 Creekside Dr., Walnut Creek.

  • El Cerrito Community Center, 7007 Moeser Lane, El Cerrito.

  • El Sobrante United Methodist Church, 670 Appian Way, El Sobrante.

  • Hercules City Hall, 111 Civic Dr., Hercules.

  • Hilltop Family YMCA, 4300 Lakeside Dr., Richmond.

  • St. Luke's Baptist Church, 165 South 7th St., Richmond.

  • Moose Lodge #550, 13233 San Pablo Ave., San Pablo.

  • Contra Costa County Elections Office, 555 Escobar St., Martinez.

    Voters also can drop off ballots from 9 a.m. to 5 p.m. May 6 at the Town Clerk's office, 329 Rheem Blvd. Moraga.

    For election results starting after 8 p.m. on election night, go to www.cocovote.us. For more information, call 925-335-7800 or 877-335-7802.

    Contact Tom Lochner at 510-262-2760. Follow him at twitter.com/tomlochner