Montgomery County Constable Precinct 5 Share: Public Official Montgomery County Constable Precinct 5 Visit Website Request Info 19100 Unity Park Dr. Magnolia, TX 77355 (281) 259-6493 (281) 259-6462 (fax) Rep Info Map Whom to Contact Ryan Johnston Phone: (281) 259-6493 Constable Chris Jones Phone: (936) 217-0082 Send an Email Constable Chris Jones Phone: (281) 259-6493 Send an Email What's Nearby? Distance: 5 10 15 20 25 50 mi.