Location 45 John Glenn DriveConcordCA94520 Next Event Structural Masonry (M-F, 2 weeks) - 04/28/2025 - 05/09/2025 - 7:30 am - 4:30 pm Upcoming Events Structural Masonry (M-F, 2 weeks) - 04/28/2025 - 05/09/2025 - 7:30 am - 4:30 pm