Where pickups start. Union City requests most often begin in Decoto, Alvarado District, Station District and Union Landing / Central Union City. Give the dispatcher a street address or a named lot entrance, not just the neighborhood—drive time, staging, and the vehicle's approach all depend on the exact curb.
Where groups go. Destinations named for Union City include Union City BART Station District, James Logan High School Events Center, Union City Civic Center, Dry Creek Pioneer Regional Park and Union Landing Shopping Center. Each has its own loading rules; ask the venue where a bus or limo can wait, and agree on a meeting corner in case the curb is blocked when the group comes out.
Dates that fill first. Local calendars around Union City Festival of the Arts, Holy Ghost Festival (Decoto), Union City July 4th Celebration and Station District Farmers Market concentrate demand on a handful of weekends. Those dates are worth quoting early; confirm the current schedule with the organizer, since this list is not a live calendar.
Itineraries groups ask about. Union City to San Francisco; Union City to Fremont / Warm Springs; Union City to Oakland / Jack London Square. Share your version with every stop in order and an honest end time so the quote covers the whole block.
Airport groups. Union City trips connect to OAK, SFO. Provide flight numbers, terminal, bag counts, and one group contact; the driver meets at the commercial-vehicle zone, which is usually not the passenger curb.
Beyond Union City. Trips that continue into Alameda, Aliso Viejo, Anaheim or Antioch are quoted as one itinerary. The California guide covers statewide staging and long-distance planning.