Congressman Eric Swalwell will hold a town hall meeting for 15th Congressional District constituents on Saturday, Aug. 28, from 9 to 10:30 a.m. at the Castro Valley High School football field, 19400 Santa Maria Ave. in Castro Valley. Masks are required for COVID-19 safety. California’s 15th Congressional District includes San Ramon, Dublin, Pleasanton, Livermore, Sunol, Hayward, Union City, Castro Valley, San Lorenzo, Cherryland, Ashland and Fairview as well as parts of Fremont and Danville.