Boston Portfolio Properties, LLC is a real estate brokerage firm focused on personalized service to owners and buyers of the most desirable properties in Boston and the surrounding suburbs.

With a horizontal business model focused on the special demands of our clientele without geographic limits, we bring together buyers and sellers of distinctive real estate throughout the Greater Boston area.

We draw upon the professional strength of a team of dedicated professionals to provide the most effective and conscientious service to our clients.

Confidentiality and Discretion

Buying and selling a distinctive property requires confidential business and relationship management. Boston Portfolio Properties offers the utmost discretion and confidentiality.

Informed Decision Making

Knowledge of the market is essential for making informed real estate decisions. Boston Portfolio Properties spans many communities, without a geographic limit and offers vital information of the broad target market.

Process Management

Real estate transactions require conscientious attention to detail, diligent effort, time management, and creativity. Boston Portfolio Properties offers experienced, professional attention to each transaction.

Diane Valle

Since 2005 Diane has sold premier properties in the Greater Boston area. With hundreds of millions in sales, she achieved the highest sale in Sherborn, Westwood, Newton, Charlestown and Brookline, exceeding the expectation of both the market and her customers.

Diane is the former owner of Harbor Greenery, an award winning retail floral firm that specialized in quality events and service. In 2002, Diane earned her Master of Business Administration at the Simmons School of Management. She excelled at The Harvard Program on Negotiation and Conflict Resolution, and The Simmons School of Management Negotiation and Conflict Management. Diane believes in continual learning, extending her education with courses from University of Pennsylvania's Positive Psychology and Harvard's Negotiation and Leadership Conference.


Diane Valle
20 Mount Vernon Street
Boston, MA 02129