Allen has been licensed in Rhode Island since 1992. After almost a decade, he opened Gammons Realty. In 2019, Allen merged his firm with Berkshire Hathaway HomeServices Commonwealth Real Estate and is currently licensed in RI, MA, and CT.

As the leader of the Gammons Team, Allen has consistently been the top agent or team in RI for many years. In ‘95 he was Re/Max Rookie of the Year and was the top Re/Max agent in New England in ’98 & ‘99. Seven years in a row, Allen’s team was the leading team in The Kent Washington Board of Realtors for unit and dollar volume.

Allen is a certified relocation specialist, founding member of the Make a Difference foundation, former president of RI MLS, past board member of the RI BBB, and the London Bridge Early Learning Center, and Corporator of the South County Hospital. A lifelong resident of RI, Allen and his wife have raised four children. He enjoys hiking, skiing, and boating with his family.