Tattoo Shops in Union City, CA
2 studios in and around Union City, California — call ahead even for walk-ins — a shop with five artists can still be booked solid on a Saturday, and piercing hours often differ from tattoo hours.
Sacred Soul Studio PiercingCustom designAppointment only
34375 Alvarado Niles Rd, Union City, CA 94587-4455
🕒 Tue-Sat 12pm-7pm, Sun 10am-4pm
Tip: weekday afternoons are the easiest time to get a walk-in seat — Friday and Saturday fill with appointments by noon. For custom work, message the artist a week ahead with reference images; a deposit of $50–100 that counts toward the final price is standard practice, not a red flag.