Pleasant Hill Community Emergency Response Team classes, 6:30 p.m. Thursdays, Sept. 13-Oct. 18, fire training center, 2945 Treat Blvd., Concord. Registration: www.pleasanthillcertsignup.com. Information: www.pleasanthillcert.org.
Free disaster preparedness fair, 10 a.m.-1 p.m. Sept. 8, Safeway, 3334 Alhambra Blvd., Martinez. Learn how to prepare family for disaster. Free hot dogs. 925-229-0212
Community Service Day
Volunteer registration open for Pleasant Hill's Community Service Day, Sept. 22, Pleasant Hill Park, Gregory Lane. Free breakfast, T-shirts. 925-671-5229. Registration: www.pleasant-hill.net/volunteer.
Contra Costa Humane Society Flea Market, 8 a.m.-noon Aug. 25, Zio Fraedo's restaurant, 611 Gregory Lane, Pleasant Hill. Baked goods, crafts, antiques, household items, more. 925-279-2247, ext. 306, www.cchumane.org.
California's first settlers
John Muir National Historic Site shows Anza Trail film 12:30 p.m., tour of Anza Trail exhibit, 1849 Martinez Adobe 1 p.m., Aug. 25, 4202 Alhambra Ave., Martinez. 415-623-2344, email@example.com.
Main Street car show
Madness on Main Street Car Show, 10 a.m.-3 p.m. Sept. 8, Main and Ferry streets, Martinez. Music, vendors, raffles, awards. Car registration $20, $25 at door. Registration: www.mainstreetmartinez.org/php/CarTruckBikeShow.php.
Pleasant Hill Garden Study Club meets 7 p.m. Sept. 4, Gardens at Heather Farm, Camellia Room, 1540 Marchbanks Drive, Walnut Creek. Topic: Autumn, California's second spring. Free. 925-944-4898, www.phgsc.com.
Music by the lake
Sunset by the Lake summer concert, 3:30-5:30 p.m., lawn at City Hall, 100 Gregory Lane, Pleasant Hill. Sept. 2: The Bell Brothers, country, rock. 925-671-5229, www.pleasanthillconcerts.com.
Target Pops on the Plaza Concert, 6:30 p.m. Aug. 30, Todos Santos Plaza, Willow Pass Road at Grant Street, downtown Concord. ABC 7 news anchor Dan Ashley emcees. Kids activities. Free admission, parking. Information: 925-280-2490, www.californiasymphony.org.
Contra Costa County Library annual used book giveaway, 9 a.m.-5 p.m. through Aug. 31 (closed Sundays), 75 Santa Barbara Road, Pleasant Hill. Bring your own boxes, bags. 925-646-6423.
Red Cross blood drives
10 a.m.-4 p.m. Sept. 6, Contra Costa Regional Medical Center, 2500 Alhambra Drive, Martinez. Sponsor code: CCRMC.
9 a.m.-3 p.m. Sept. 12, Diablo Valley College, Student Union, 321 Golf Club Road, Pleasant Hill. Sponsor code: DVCPH.
Appointments: 800-733-2767, redcrossblood.org.
White Elephant Sale
Fundraiser 8 a.m.-6:30 p.m. Sept. 8; 8 a.m.-2 p.m. Sept. 9, Christ the King Church, 199 Brandon Road, Pleasant Hill. Variety of gently used items. Proceeds benefit church programs. 925-682-2486, www.ctkph.org.
Items included on a space-available basis; not all items will be published. Email firstname.lastname@example.org or fax 925-943-8362.