Location and Access 19244 Redwood Road is positioned along one of Castro Valley’s principal commercial corridors, near the Redwood Road / I-580 interchange. The location offers convenient access to Interstate 580, with regional connections to I-238 and I-880, making it accessible from Hayward, San Leandro, Oakland, Dublin/Pleasanton, Livermore, Fremont, and other East Bay communities. I-580 has a dedicated Redwood Road exit in Castro Valley, and I-238 connects the area with I-880.