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Siobhan Costello Weber

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Recent Sales

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  • $549,900
    3 bd2 ba1,592 sqft Shrewsbury, MA
    3 bd2 ba1,592 sqft
    Shrewsbury, MA
    Sold 10 days ago
    Buyer
    491 Grafton St, Shrewsbury, MA, 01545
  • $365,000
    3 bd1 ba1,104 sqft Oxford, MA
    3 bd1 ba1,104 sqft
    Oxford, MA
    Sold 3 months ago
    Buyer
    40 Holly St, Oxford, MA, 01540
  • $625,000
    7 bd2 ba2,456 sqft Worcester, MA
    7 bd2 ba2,456 sqft
    Worcester, MA
    Sold 4 months ago
    Seller
    176 Vernon St, Worcester, MA, 01610
  • $665,000
    5 bd2 ba2,522 sqft Shrewsbury, MA
    5 bd2 ba2,522 sqft
    Shrewsbury, MA
    Sold 4 months ago
    Buyer
    6 Birch Ln, Shrewsbury, MA, 01545
  • $615,000
    4 bd3 ba2,801 sqft Shrewsbury, MA
    4 bd3 ba2,801 sqft
    Shrewsbury, MA
    Sold 5 months ago
    Seller
    66 Francis Ave, Shrewsbury, MA, 01545
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20
Sales last 12 months
129
Total sales
$195K-$1.1M
Price range
$591K
Average price

Get to know Siobhan Costello Weber

Realtor®

Specialties
Buyer's AgentListing AgentProperty ManagementVacation / Short-term RentalsInvestment PropertiesRentals

Siobhan Costello Weber's listings & sales (129)

For Sale
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For Sale

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Sold (129)

Address
Sold date
Closing price
Represented
Flag Sale
12/29/2025$549,900Buyer
9/29/2025$365,000Buyer
9/11/2025$625,000Seller
8/29/2025$665,000Buyer
8/21/2025$615,000Seller

Siobhan Costello Weber's reviews (29)

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  • 5.0
    • 8/3/2025
    • dvigliatura

    Sold a home in 2024.

    In July of 2024 we decided to downsize our home in Shrewsbury. Having met Siobhan’s team at an open house previously, it was an easy decision who we wanted to sell our h...
    In July of 2024 we decided to downsize our home in Shrewsbury. Having met Siobhan’s team at an open house previously, it was an e...
    5.0
    • 7/30/2025
    • Anna Fursoff

    Bought and sold a Single Family home in 2025 in Westborough, MA.

    My husband worked with Siobhan previously to buy a home many years ago, and when we were ready for a new chapter her name immediately came to mind. Once I met her I quick...
    My husband worked with Siobhan previously to buy a home many years ago, and when we were ready for a new chapter her name immediat...
  • 5.0
    • 7/1/2025
    • heatherfiori6

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

    We recently sold our home with Siobhan and we couldn’t be more grateful for her dedication and professionalism. Selling our house was far from easy — we faced two offers ...
    We recently sold our home with Siobhan and we couldn’t be more grateful for her dedication and professionalism. Selling our house ...
    5.0
    • 10/9/2024
    • Hana

    Bought a Single Family home in 2024 in Sutton, MA.

    My husband and I had the pleasure of working with Siobhan and we couldn’t have asked for a better experience. She is not only highly knowledgeable but is also incredibly ...
    My husband and I had the pleasure of working with Siobhan and we couldn’t have asked for a better experience. She is not only high...
  • 5.0
    • 9/12/2024
    • Carla Goyette

    Bought a Single Family home in 2019 in Auburn, MA.

    Siobhan was a pleasure to work with. I would recommend her in a heartbeat. She was very knowledgeable and friendly and just so easy to talk to about what we were looking ...
    Siobhan was a pleasure to work with. I would recommend her in a heartbeat. She was very knowledgeable and friendly and just so eas...
    5.0
    • 9/9/2024
    • katie84032

    Bought a home in 2021.

    We were incredibly lucky to find Siobhan at an open house four years ago. Her friendliness, deep market knowledge, and endless patience made our home-buying process both ...
    We were incredibly lucky to find Siobhan at an open house four years ago. Her friendliness, deep market knowledge, and endless pat...
  • 5.0
    • 9/8/2024
    • stephaniebushbrown

    Sold a Single Family home in 2022 in Shrewsbury, MA.

    Siobhan was very knowledgeable about how to get our home ready to sell as well as how to price and market it. She’s also very accessible - she made a typically stressful...
    Siobhan was very knowledgeable about how to get our home ready to sell as well as how to price and market it. She’s also very acce...
    5.0
    • 9/8/2024
    • deylemolly

    Bought and sold a Single Family home in 2024 in Worcester, MA.

    Siobhan was AMAZING! She is everything you would want in a realtor and more! She is personable, kind, knowledgeable, and very responsive. She worked around our schedule,...
    Siobhan was AMAZING! She is everything you would want in a realtor and more! She is personable, kind, knowledgeable, and very res...
  • 5.0
    • 9/7/2024
    • Yenni Desroches

    Found a tenant for a Multiple Occupancy home in Worcester, MA.

    She did a fantastic job helping us get our apartments rented out, and helped massively with evaluating whether we should sell or do further renovations. I've recommended ...
    She did a fantastic job helping us get our apartments rented out, and helped massively with evaluating whether we should sell or d...
    5.0
    • 9/7/2024
    • krobkoe3

    Sold a Single Family home in 2024 in Shrewsbury, MA.

    Siobhan was hands down best choice of local RE agents, seen many! Tells it like it is and is very personal and friendly. Deal closed in 10 days . No issues afterwards too...
    Siobhan was hands down best choice of local RE agents, seen many! Tells it like it is and is very personal and friendly. Deal clos...
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Siobhan Costello Weber

20sales last 12 months
129total sales
$195K-$1.1Mprice range
$591Kaverage price