San Mateo County Probation Dept. (Old Building)

Paul Scannell Dr. (formerly 21 Tower Rd)

San Mateo CA 94402

Old Probation Dept Building Map

Please see your notification letter/email for room assignment

HWY US-101:

  • Exit CA-92 WEST, continue approximately 6 miles to RALSTON AVE exit.
  • Turn RIGHT on RALSTON AVE
  • RALSTON AVE becomes POLHEMUS ROAD
  • Turn LEFT onto PAUL SCANNELL DR
  • PROBATION DEPT (OLD BUILDING) is at the end of PAUL SCANNELL DR, to your RIGHT.

HWY I-280:

  • Take CA-92 EAST, continue in the far right lane and take the first exit at RALSTON AVE.
  • Stay in the right lane as you go over the clover leaf.
  • Turn RIGHT on RALSTON AVE
  • RALSTON AVE becomes POLHEMUS ROAD
  • Turn LEFT onto PAUL SCANNELL DRIVE
  • PROBATION DEPT (OLD BUILDING) is at the end of PAUL SCANNELL DR, to your RIGHT.