National Security Brokerage is located at 3254 Railroad Ave, Wantagh, NY. This business specializes in Insurance. National Security Brokerage is open Mon, 9am-6pm; Tue, 9am-6pm; Wed, 9am-6pm; Thu, 9am-6pm; Fri, 9am-5pm; Sat, Closed; Sun, Closed and accepts All Major Credit Cards, American Express, Mastercard, Personal Checks and Visa.