Johnston Roofing jrinc1982@sbcglobal.net 925.229.1982 201 Berrellesa Street Martinez, CA 9455Markets ServedInstitutionalCommercialIndustrialMaterials & Services OfferedBuilt-Up RoofingCold ProcessFree EstimatesMaintenance SystemsModified BitumenWaterproofingCountyContra CostaCityMartinez View Contractor