Us Post Office

US Post Office is located at 815 Court St, Martinez, CA. This business specializes in Post Offices. US Post Office is open Mon, 8:05am-5pm; Tue, 8:05am-5pm; Wed, 8:05am-5pm; Thu, 8:05am-5pm; Fri, 8:05am-5pm; Sat, Closed; Sun, Closed and accepts American Express, Discover and Visa.