If your Labor Day plans don't call for a commute to the beach, consider these last minute events for celebrating like a local:
Old Town Alexandria:
You can always take in DC like a tourist and use the About.com guide to Labor Day, which is packed with festivals and parades all over town.
Whatever your plans, ditch the car and take advantage of some of the many stress-free transit options, like Capital Bikeshare, Zipcar or Metro. Just be sure to check Metro's weekend schedule before heading out.