Why choose concord real estate services? When it comes to maximizing the value of real estate, the singular way of doing things no longer works. Concord Real Estate Services engages our clients at every step and provides a multitude of real estate services together seamlessly under one roof.How do i contact concord monitor customer service? Concord Monitor Online. Customer Service: 603-224-4287 or 1-800-464-3415 ext 3 Fax: 603-224-8120 ("Attn: Online") E-mail: [email protected]. General. Mailing addressWhy choose concord commercial brokerage? Our commercial brokerage team is made up of professional, well-versed agents with strong backgrounds in the buying, selling, and leasing of multi-family, commercial, and residential properties. At Concord, we work with our in-house capital markets group to support them in the entire life cycle of the real estate process.