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Dianne Mongeau

Gibson Sotheby's International RealtyMember of Gibson SIR Cape Cod
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Recent Sales

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  • $425,000
    2 bd3 ba2,346 sqft Dennis Pt, MA
    2 bd3 ba2,346 sqft
    Dennis Pt, MA
    Sold 27 days ago
    Seller
    5 Pleasant Street Unit A, Dennis Pt, MA, 02639
  • $425,000
    2 bd3 ba2,346 sqft Dennis Port, MA
    2 bd3 ba2,346 sqft
    Dennis Port, MA
    Sold 27 days ago
    Seller
    5 Pleasant St Unit A, Dennis Port, MA, 02639
  • $2,150,000
    4 bd5 ba4,379 sqft Cummaquid, MA
    4 bd5 ba4,379 sqft
    Cummaquid, MA
    Sold 1 month ago
    Seller
    153 Oakmont Drive, Cummaquid, MA, 02630
  • $2,150,000
    4 bd5 ba4,379 sqft Yarmouth Pt, MA
    4 bd5 ba4,379 sqft
    Yarmouth Pt, MA
    Sold 1 month ago
    Seller
    153 Oakmont Rd, Yarmouth Pt, MA, 02675
  • $670,000
    2 bd2 ba1,756 sqft Yarmouth Port, MA
    2 bd2 ba1,756 sqft
    Yarmouth Port, MA
    Sold 2 months ago
    Buyer
    48 Early Redberry Lane, Yarmouth Port, MA, 02675
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16
Sales last 12 months
362
Total sales
$375K-$2.4M
Price range
$1M
Average price

Get to know Dianne Mongeau

Real Estate Professional

Specialties
Buyer's AgentListing AgentRelocationStaging
34 Years of experience

Dianne Mongeau's sales and listings (362)

This map and property list shows the most recent 100 sales and 100 listings

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Dianne Mongeau's reviews (51)

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  • 5.0
    • 8/2/2026
    • ted44p

    Bought a Single Family home in 2026 in Yarmouth port, Yarmouth port, MA.

    Dianne was very intuitive. She knew exactly what I wanted and she searched and brought me to houses that she knew I would like. Did not waste my time. She gave me valuabl...
    Dianne was very intuitive. She knew exactly what I wanted and she searched and brought me to houses that she knew I would like. Di...
    5.0
    • 3/16/2026
    • pbhopiii

    Bought a Single Family home in 2025 in Brewster, MA.

    Dianne has all the characteristics of an outstanding real estate professional, including a deep market knowledge, the passion to find the property of your dreams, and th...
    Dianne has all the characteristics of an outstanding real estate professional, including a deep market knowledge, the passion to ...
  • 5.0
    • 12/18/2025
    • Danmcavoy1

    Sold a Single Family home in 2025 in Harwich, MA.

    I have worked with Diane in the past when I purchased my first home so it was a no brainer to seek out her knowledge and expertise once again. Working with Diane on the ...
    I have worked with Diane in the past when I purchased my first home so it was a no brainer to seek out her knowledge and expertise...
    5.0
    • 12/1/2025
    • cas2122

    Bought a Single Family home in 2025 in North chatham, North chatham, MA.

    Having an agent like Dianne when buying in the cape is a must! She knows everything about the towns, knows where the value is, is always reachable, and can be there when ...
    Having an agent like Dianne when buying in the cape is a must! She knows everything about the towns, knows where the value is, is ...
  • 5.0
    • 5/12/2025
    • carol sander

    Sold a home in 2025.

    Dianne brought energy, professionalism, and a wealth of real estate expertise to our very first meeting. Her depth of knowledge of the Cape market in general, and the lo...
    Dianne brought energy, professionalism, and a wealth of real estate expertise to our very first meeting. Her depth of knowledge o...
    5.0
    • 1/28/2025
    • user03713603

    Sold a Condo home in 2024 in Harwich, MA.

    I cannot recommend Dianne Mongeau highly enough! She recently helped me sell my condo in Harwich, MA, and the entire process was seamless from start to finish. Dianne’s d...
    I cannot recommend Dianne Mongeau highly enough! She recently helped me sell my condo in Harwich, MA, and the entire process was s...
  • 5.0
    • 1/14/2025
    • katiek 78

    Sold a home in 2024.

    Dianne did an excellent job with the sale of our house. Her knowledge of the area was essential in helping us determine a list price. The staging of the house was wonder...
    Dianne did an excellent job with the sale of our house. Her knowledge of the area was essential in helping us determine a list pri...
    5.0
    • 12/7/2023
    • cheryleckel

    Bought a home in 2023.

    Diane went above and beyond to find us the perfect home in the location that we wanted! She worked tirelessly on our behalf. Diane is very experienced and make sure every...
    Diane went above and beyond to find us the perfect home in the location that we wanted! She worked tirelessly on our behalf. Diane...
  • 5.0
    • 1/5/2023
    • kate c larson

    Bought a home in 2022.

    Dianne is an amazing real estate broker! We were completely unfamiliar with the real estate market on Cape Cod, and Dianne guided us through the pros and cons of various ...
    Dianne is an amazing real estate broker! We were completely unfamiliar with the real estate market on Cape Cod, and Dianne guided ...
    5.0
    • 1/5/2023
    • AmandaStark6

    Bought a Single Family home in 2022 in Harwich port, MA.

    Dianne was a pleasure to work with in the purchase of our primary home and one to renovate. Her knowledge of the the Cape Cod market is excellent. Her response time, atte...
    Dianne was a pleasure to work with in the purchase of our primary home and one to renovate. Her knowledge of the the Cape Cod mark...
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Dianne Mongeau

Gibson Sotheby's International RealtyMember of Gibson SIR Cape Cod
16sales last 12 months
362total sales
$375K-$2.4Mprice range
$1Maverage price
34years of experience