James Callahan Plumbing (201) 567-9883 Plumbing Lic. No. BIO 6731 James Callahan Plumbing is a fully licensed, bonded and insured plumbing contractor with over 40 years of experience. We specialize in high quality residential and commercial plumbing. James Callahan Plumbing serves the Bergen County area of New Jersey and was established in 1982. Services include, but not limited to: Repairs ...