Catalyst – Pomona Address 456 E Holt Ave, Pomona, CA 91767 GPS 34.062557256252, -117.74255187587 Telephone (909) 620-9020 Web View Website LOCATION ON MAP Plan My Route Home » Recreational Pot Shops » California Pot Shops » Southern California Pot Shops » Los Angeles Pot Shops » San Gabriel Valley Pot Shops » Catalyst – Pomona