U S Nails is located at 1233 1st St, Napa, CA. This location is in the Cental Napa neighborhood. This business specializes in Nail Care. U S Nails is open Mon, 10am-6pm; Tue, 10am-6pm; Wed, 10am-6pm; Thu, 10am-6pm; Fri, 10am-6pm; Sat, 10am-6pm; Sun, 10am-6pm and accepts Cash, Mastercard and Visa.