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Janet Sylvester

Great Island Realty, LLC
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Recent Sales

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  • $2,800,000
    3 bd3 ba3,018 sqft New Castle, NH
    3 bd3 ba3,018 sqft
    New Castle, NH
    Sold 1 month ago
    BuyerSeller
    28 Ocean Street, New Castle, NH, 03854
  • $1,900,000
    3 bd3 ba2,204 sqft New Castle, NH
    3 bd3 ba2,204 sqft
    New Castle, NH
    Sold 2 months ago
    BuyerSeller
    17 Oliver Street, New Castle, NH, 03854
  • $2,100,000
    3 bd4 ba3,267 sqft New Castle, NH
    3 bd4 ba3,267 sqft
    New Castle, NH
    Sold 2 months ago
    BuyerSeller
    39 Old Bay Road, New Castle, NH, 03854
  • $1,115,000
    3 bd3 ba3,216 sqft York, ME
    3 bd3 ba3,216 sqft
    York, ME
    Sold 2 months ago
    Buyer
    106 Fieldstone Estates Road, York, ME, 03909
  • $720,000
    3 bd2 ba2,539 sqft East Kingston, NH
    3 bd2 ba2,539 sqft
    East Kingston, NH
    Sold 3 months ago
    Seller
    15 Casey Road, East Kingston, NH, 03827
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22
Sales last 12 months
379
Total sales
$250K-$6.3M
Price range
$1.6M
Average price

Get to know Janet Sylvester

Broker/Owner

Specialties
Buyer's AgentListing AgentRelocationInvestment Properties
29 Years of experience

Janet Sylvester's listings & sales (382)

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 (3)

Sold (379)

Address
Sold date
Closing price
Represented
Flag Sale
11/14/2025$2,800,000Buyer and Seller
10/24/2025$1,900,000Buyer and Seller
10/15/2025$2,100,000Buyer and Seller
10/10/2025$1,115,000Buyer
9/26/2025$720,000Seller

Janet Sylvester's reviews (15)

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  • 5.0
    • 2/14/2017
    • user98535670

    Bought a Single Family home in 2017 in Portsmouth, NH.

    Janet and Margaret were absolutely fabulous to work with. In Portsmouth's tight market they helped me find the perfect house and shepherded the prices to be smooth,
    Janet and Margaret were absolutely fabulous to work with. In Portsmouth's tight market they helped me find the perfect house and s...
    5.0
    • 6/5/2016
    • user5548828

    Sold a Single Family home in 2016 in Portsmouth, NH.

    Two professional dynamic women who had a detailed multi- week plan and executed it with perfection. They helped stage the house, hired a professional photographer to take...
    Two professional dynamic women who had a detailed multi- week plan and executed it with perfection. They helped stage the house, h...
  • 5.0
    • 3/8/2016
    • henry klementowicz

    Bought a Single Family home in 2016 in Portsmouth, NH.

    Janet and her team were knowledgeable, professional and very helpful. I was buying my first home--a process that should be filled with unknowns, anxiety, and questions. ...
    Janet and her team were knowledgeable, professional and very helpful. I was buying my first home--a process that should be filled...
    5.0
    • 2/29/2016
    • ppettis32

    Sold a home in 2015 in NH 03801.

    It's obvious that Margaret and Janet know the market, the people in the industry, the comps and the trends. But when they really added value to our situation was when th...
    It's obvious that Margaret and Janet know the market, the people in the industry, the comps and the trends. But when they really ...
  • 5.0
    • 12/23/2015
    • afjag2

    Bought a Single Family home in 2015 in Portsmouth, NH.

    Janet and broker-partner Margaret are the best! We confined our house search to Portsmouth and New Castle--their specialties. They really know these markets--both are e...
    Janet and broker-partner Margaret are the best! We confined our house search to Portsmouth and New Castle--their specialties. Th...
    5.0
    • 12/22/2015
    • nancyvphilbrick

    Sold a Single Family home in 2015 in Rye, NH.

    Janet and Margaret were.wonderful to work with. Their knowledge of the market was excellent. They found the perfect buyer for us! I'd recommend them in an instant.
    Janet and Margaret were.wonderful to work with. Their knowledge of the market was excellent. They found the perfect buyer for us...
  • 5.0
    • 8/30/2015
    • jillnoel27

    Bought a Single Family home in 2015 in York, ME.

    We had a wonderful experience working with Janet. She was extremely flexible and responsive. Janet was quick to respond to our questions and her general knowledge was ver...
    We had a wonderful experience working with Janet. She was extremely flexible and responsive. Janet was quick to respond to our que...
    5.0
    • 8/18/2015
    • Mitchell Hodge

    Showed home in 2015 in Rye, NH.

    Highly recommend, although we did not purchase in New Hampshire, next time if we ever decide to look in the Seacoast region again, I would highly recommend Janet Sylveste...
    Highly recommend, although we did not purchase in New Hampshire, next time if we ever decide to look in the Seacoast region again,...
  • 5.0
    • 8/12/2015
    • user6518375

    Bought a Single Family home in 2015 in New castle, NH.

    Janet, and her business partner, Margaret Pesce, are far and away the best Realtors we've ever worked with. Very recently, the two worked 24/7 for six weeks to find my l...
    Janet, and her business partner, Margaret Pesce, are far and away the best Realtors we've ever worked with. Very recently, the tw...
    5.0
    • 8/5/2015
    • gmmcevoy

    Sold a Single Family home in 2015 in Portsmouth, NH.

    My husband and I have bought and sold several properties over the years, and Janet was by far the best realtor we have ever worked with. Texts and emails were answered wi...
    My husband and I have bought and sold several properties over the years, and Janet was by far the best realtor we have ever worked...
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Janet Sylvester

Great Island Realty, LLC
22sales last 12 months
379total sales
$250K-$6.3Mprice range
$1.6Maverage price
29years of experience