About

Corinne Costanzo has called Cape Cod home since 1987 and has been a licensed real estate professional since 1993. A longtime Mashpee resident, she brings deep knowledge of the Upper and Mid Cape markets. Corinne owned an independent brokerage for over 15 years and is now a broker associate with Berkshire Hathaway HomeServices.

Known for her integrity and professionalism, Corinne helps clients navigate buying and selling with confidence. She’s been recognized for civic engagement, including MAR’s Good Neighbor Award nomination, the Mashpee Chamber’s Distinguished Service Award, and MAR’s Gratitude Project.

She serves on the Mashpee Chamber board and volunteers with Heroes in Transition, Big Nick’s Ride, and LIFE, Inc. Corinne enjoys time with her family, two standard poodles, and outdoor Cape Cod life—cycling, boating, hiking, and shellfishing.

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Cover of the 2025 Q2 Real Estate Market Report from Robert Paul Properties

Where the Market Stands and What It Means for You

The latest Market Report is here, offering a clear picture of what’s happening in real estate right now—from Greater Boston to Cape Cod and the South Coast. Whether you’re thinking of making a move or just staying informed, this mid-year update shows how the market is evolving, what buyers are looking for, and what sellers are doing to stand out.

It’s not just about numbers—it’s about timing, strategy, and knowing where the opportunities are.

Explore the 2025 Q2 Market Report for expert insights and timely takeaways across Cape Cod, Boston, and beyond.

Resources for Every Step of Your Real Estate Journey

Unlock Your Home's Potential

Home Seller’s Guide

Selling your home is a journey—let’s make it a successful one. Our expert Home Seller’s Guide walks you through every step, from staging tips to strategic pricing, helping you showcase your home’s best features and achieve top results.

Expert Support at Every Step

Home Buyer’s Guide

Buying a home is an exciting milestone—and the right guidance makes all the difference. Our Home Buyer’s Guide offers expert advice from pre-approval to closing, helping you navigate the market and find the perfect place to call home.

Explore Our Communities

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Sell Your Home Smarter

Get more data and insight before you sell with our comprehensive home value report.

Get Your Home Value Report

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Estimate

Get the most accurate estimate, powered by the same technology used by lenders.

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Compare

See what other homes are being sold for in and around your neighborhood.

Planning Guide Inside Pages

Access our Real Estate and Lifestyle Planning Guide

At Berkshire Hathaway HomeServices Robert Paul Properties, we call our network professionals Forever Agents℠ because they support your real estate dreams and goals for life. But that support doesn’t start or end with a successful transaction, it’s ongoing, and it means planning for a future that’s as fulfilling as it is bright.

See quality listings around the world.

Our network’s unique tools give you more when looking for your next home. More data. More properties. More neighborhood information. See for yourself. 

Community

The Sunshine Kids™ Foundation.

We believe every kid deserves a childhood. The opportunity to be a kid. Sunshine in dark days. That’s why we’ve partnered with The Sunshine Kids™.