Hours Of Operations County Engineering Company New York Mt. Vernon 10550 County Engineering Company Hours of Operation and Location in Mt. Vernon, NY 10550 4.0 - 33 votes 4 Mt Vernon Ave, Mt. Vernon, NY 10550 (718) 884-8200 Get Directions County Engineering Company Hours Category: Home & Garden Hours Hours may vary due to season or holiday reasons. For specific hours, please contact store directly. Map Explore Mt. VernonView More Apparel TJ MaxxH & MFoot LockerRainbowCoach Sports VansColemanAll American Sports ShopTeam USAAll Sports Jewelry Tiffany & Company Recommend For You Deli & Grocery Deli Corporation Deli Grocery Development LLC Dollar Savings Fish Market Franklin Market Freddy's Market G & G Electric M & M Grocery