Meet the Team

Rhonda Stone - Keller Williams Realty

Rhonda Stone, Associate Broker
Luxury Property Specialist
Direct: (978) 846-1694
Email: Email Rhonda


Dedicated and ethical, Rhonda Stone is a seasoned real estate professional serving Middlesex, Essex, and Worcester counties. Licensed in 2004, she founded Touchstone Partners in 2005, assembling a diverse team with expertise in many facets of the real estate business. Today, everyone on her team leverages their individual strengths in construction, legal, military, land acquisition, commercial real estate, and more to facilitate the varied aspects of the buying and selling process. Combined with Keller Williams Realty’s cutting-edge technologies and individualized marketing strategies, Rhonda and her team create a formidable force in the real estate market.

Touchstone Partners Team - KW Merrimack Valley
Mark Gallagher - Seal Harbor Development

Mark Gallagher
Seal Harbor Development
179 Great Road
Suite 212
Acton Mass 01720


Mark has been developing land and constructing homes in the New England area since 1982. Services throughout the years have included:

  • Restoration and remodeling – Restored several “period” homes from as early as 1735 through the late 1800s
  • Development – Purchase land and plan developments from permitting and consulting through road construction
  • New homes – Design and build of new homes from 400 square feet to over 10,000 square feet
  • Commercial – Construction of hotel units and cottages as well as commercial buildings
  • After care – Care of your home or investment after the sale
Seal Harbor Companies