Local Expertise. Global Connections.
Ranked in the top 1% of agents in the Cape Cod & Islands MLS and recognized by RealTrends 2025 as among the Top 1.5% of agents nationwide, Ellen Valentgas is known for her design-driven approach to real estate, deep market expertise, and long-standing commitment to the Osterville community.
A resident of the village for more than a decade, Ellen serves on the Board of Trustees for the Osterville Village Library and on the Steering Committee for the Osterville Business & Professional Association, where she helps plan many of the traditions that define village life.
Before settling in Osterville, Ellen spent over twenty years on Nantucket, where she owned a landscape and design firm focused on high-end residential properties. This foundation sharpened her eye for detail and cultivated the strong client-service ethic that now sets her apart in real estate.
Ellen brings her design sensibility into every phase of her work. She has led numerous renovation and new construction projects across Cape Cod, including her showcase design on Oyster Way in Oyster Harbors—celebrated for its seamless indoor-outdoor flow and thoughtful craftsmanship. Today, she regularly advises buyers on maximizing a home's potential and connects clients with trusted artisans, builders, and tradespeople to bring projects to life.
A recognized leader in luxury sales, Ellen offers a full-spectrum perspective—guiding clients with the same care whether they are buying, selling, renting, or renovating. Her creativity, vision, and steady market insight consistently result in exceptional outcomes and lasting relationships. Her approach is calm, collaborative, and solutions-oriented, and clients value her honesty and ability to make complex decisions feel effortless.
Ellen is a member of the Cape Cod & Islands, Massachusetts, and National Associations of REALTORS® and holds the Resort and Second Home Property Specialist designation.
Ellen welcomes the opportunity to guide you through your next chapter on Cape Cod.
Home Types:
House, Lot/Land, Condo, Commercial, Townhouse
Years of Experience:
15
