Skip main navigation

Dianne Mongeau

Gibson Sotheby's International RealtyMember of Gibson SIR Cape Cod
Contact Dianne

Recent Sales

Skip to the end of the carousel
  • $1,285,000
    3 bd2 ba1,336 sqft Harwich, MA
    3 bd2 ba1,336 sqft
    Harwich, MA
    Sold 10 days ago
    Seller
    19 Deer Run, Harwich, MA, 02645
  • $1,425,000
    3 bd3 ba2,131 sqft Harwich, MA
    3 bd3 ba2,131 sqft
    Harwich, MA
    Sold 24 days ago
    Seller
    45 Indian Trail, Harwich, MA, 02645
  • $855,000
    3 bd2 ba1,726 sqft Chatham, MA
    3 bd2 ba1,726 sqft
    Chatham, MA
    Sold 1 month ago
    Buyer
    144 Lakeview Avenue, Chatham, MA, 02633
  • $1,165,000
    5 bd2 ba2,560 sqft West Harwich, MA
    5 bd2 ba2,560 sqft
    West Harwich, MA
    Sold 1 month ago
    Seller
    77 Pleasant Road, West Harwich, MA, 02671
  • $1,800,000
    4 bd4 ba3,018 sqft Dennis, MA
    4 bd4 ba3,018 sqft
    Dennis, MA
    Sold 3 months ago
    Seller
    56 Black Ball Hill Road, Dennis, MA, 02638
Skip to the beginning of the carousel
11
Sales last 12 months
349
Total sales
$355K-$2.4M
Price range
$945K
Average price

Get to know Dianne Mongeau

Real Estate Professional

Specialties
Buyer's AgentListing AgentRelocationStaging
33 Years of experience

Dianne Mongeau's listings & sales (351)

For Sale
For Rent
Sold
This map can show the most recent 100 listings and 100 sales. Review all listings and sales below.

For Sale (2)

Sold (349)

Address
Sold date
Closing price
Represented
Flag Sale
11/7/2025$1,285,000Seller
10/24/2025$1,425,000Seller
10/17/2025$855,000Buyer
10/17/2025$1,165,000Seller
8/20/2025$1,800,000Seller

Dianne Mongeau's reviews (47)

Write a review
  • Highly likely to recommend5.05.0

    5/12/2025 - carol sander
    Sold a home in 2025.

    Local knowledge
    Process expertise
    Responsiveness
    Negotiation skills
    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 local area specifically, along with her design and staging skills led, in my view,...
  • Highly likely to recommend5.05.0

    1/28/2025 - user03713603
    Sold a Condo home in 2024 in Harwich, MA.

    Local knowledge
    Process expertise
    Responsiveness
    Negotiation skills
    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 deep knowledge of the local real estate market, combined with her professionalism...
  • Highly likely to recommend5.05.0

    1/14/2025 - katiek 78
    Sold a home in 2024.

    Local knowledge
    Process expertise
    Responsiveness
    Negotiation skills
    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 wonderful and the photos and marketing were instrumental in the process. We had regula...
  • Highly likely to recommend5.05.0

    12/7/2023 - cheryleckel
    Bought a home in 2023.

    Local knowledge
    Process expertise
    Responsiveness
    Negotiation skills
    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 everything went smoothly. I would highly recommend Diane. She’s the best!
  • Highly likely to recommend5.05.0

    1/5/2023 - kate c larson
    Bought a home in 2022.

    Local knowledge
    Process expertise
    Responsiveness
    Negotiation skills
    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 communities and homes we were considering and helped us narrow our search. Her p...

Dianne Mongeau

Gibson Sotheby's International RealtyMember of Gibson SIR Cape Cod
11sales last 12 months
349total sales
$355K-$2.4Mprice range
$945Kaverage price
33years of experience