Haynes Plumbing is a 25 year old plumbing and heating contractor serving the Prince Georges County, Montgomery Count, and Anne Arundel County in Maryland and the entire Washington, DC area. Customer satisfaction is our goal, and it is what has kept us in business for over 20 years. Most of our clients come to us on a referral or word-of-mouth basis, meaning we intend on serving our loyal customers time and time again. Our company specializes in residential plumbing and home improvement services.