Siobhan Costello Weber

Shrewsbury MA

Castinetti Realty Group

160 Closed Sales

$91M Total Value

$320K - $1.6M Price Range

$569K Average Price

Prior 5 years

About Siobhan

Home Types: House, Lot/Land, Condo, Townhouse, MultiFamily, Commercial

Years of Experience: 8

Transaction History

1 Year
2 Year
5 Year

Seller Deals

Total Deals

Total Value

$18,201,400

Average Sale Price

$650,050

Price Range

$170K - $1.6M

Buyer Deals

Total Deals

Total Value

$4,608,900

Average Sale Price

$576,113

Price Range

$365K - $1.1M

1 Year View by Quarter

Seller Deals

Total Deals

Total Value

$30,384,905

Average Sale Price

$620,100

Price Range

$170K - $1.6M

Buyer Deals

Total Deals

Total Value

$10,584,300

Average Sale Price

$588,017

Price Range

$350K - $1.1M

2 Year View by Quarter

Seller Deals

Total Deals

113

Total Value

$64,896,605

Average Sale Price

$574,306

Price Range

$48K - $1.6M

Buyer Deals

Total Deals

Total Value

$26,141,100

Average Sale Price

$556,194

Price Range

$207K - $1.2M

5 Year View

Neighborhoods Siobhan is Experienced In

Siobhan's Open Houses

Co-Listing Agent

$889,000 Open Thu 4:30PM - 6:30PM
- 4 Beds
- 2.5 Baths
- 3,485 Sq Ft
77 -79 Harrington Ave

Shrewsbury, MA
Welcome to one of Shrewsbury’s most versatile and unexpectedly expansive homes. From the front, it presents as a classic ranch, but inside offers multiple living areas and flexible use. The main level features a fully renovated interior with a pristine, never-used kitchen with marble counters and modern finishes. The finished lower level includes a second kitchen, full bath, and laundry, ideal

Siobhan Costello Weber Castinetti Realty Group

Siobhan's Active Listings

$599,000
- 3 Beds
- 1.5 Baths
- 1,692 Sq Ft
491 Grafton St

Shrewsbury, MA
Set on a private, oversized lot, this 3-bedroom ranch offers a rare blend of space, flexibility, and standout outdoor living. The main level features sun-filled living areas, three bedrooms, a full bath, and fresh paint throughout most of the space. The walkout lower level adds a half bath, laundry, and a finished area with dry bar and extra fridge, ideal for entertaining, game nights, or

Siobhan Costello Weber Castinetti Realty Group

$655,000
- 3 Beds
- 2 Baths
- 1,605 Sq Ft
Lot 1 Cooper Rd

Millbury, MA
Build your dream home at Autumn Gate Estates! Phase II is now open, with multiple land and floorplan options. Looking for a ranch? First floor master? Walk out LL? We've got that! These cul-de-sac lots are nestled aside the existing neighborhood loop of Autumn Gate Circle and offer the utmost in both privacy and convenience. Standard features include: hardwood flooring throughout, SS appliances,

Siobhan Costello Weber Castinetti Realty Group

$529,900
- 3 Beds
- 2 Baths
- 1,784 Sq Ft
2 Lelandville Rd

Charlton, MA
Welcome to your retreat on the hill! This peaceful setting overlooking mature, river-front trees - the perfect spot to build your dream house. Multiple floorplans and lots available! Builder's standard features include hardwood and tile flooring throughout, two forced air heating/cooling zones powered by propane, and composite decking. Buyers may select from a multitude of color and product

Siobhan Costello Weber Castinetti Realty Group

$564,900
- 3 Beds
- 2 Baths
- 1,897 Sq Ft
2 Potter Village Rd

Charlton, MA
Multiple floorplans and lots available. Builder's standard features include hardwood and tile flooring throughout, two forced air heating/cooling zones powered by propane, and composite decking. Buyers may select from a multitude of color and product options, including: hardware, window grids, door panels, trim package, siding, interior paint, cabinets and more! If you can dream it, we can

Siobhan Costello Weber Castinetti Realty Group

$549,900
- 3 Beds
- 2 Baths
- 1,817 Sq Ft
3 Lelandville Rd

Charlton, MA
This lovely lot sits directly across the road from a cheerful, bubbling waterfall and historic stonework, along with mature, river-front trees - the perfect spot to build your dream house. Multiple floorplans and lots available! Builder's standard features include hardwood and tile flooring throughout, two forced air heating/cooling zones powered by propane, and composite decking. Buyers may

Siobhan Costello Weber Castinetti Realty Group

Co-Listing Agent

$649,000
- 3 Beds
- 2.5 Baths
- 2,105 Sq Ft
30 Forest Dr

Holden, MA
Beautifully renovated and move-in ready, this Holden home is set on a quiet residential street and showcases a thoughtfully updated interior throughout. The main level offers a bright, well-designed layout with refinished hardwood floors and a stunning kitchen featuring marble countertops, custom cabinetry, and premium built-in appliances including a Thermador refrigerator, Wolf oven, and Bosch

Siobhan Costello Weber Castinetti Realty Group

Co-Listing Agent

$619,000
- 4 Beds
- 2.5 Baths
- 2,320 Sq Ft
50 Highland St

Marlborough, MA
Up/down 2-family with classic antique character and strong value-add potential. Each unit offers 2 bedrooms and 1 full bath with spacious layouts, high ceilings, and original details ready for cosmetic updates. Walk-out lower level includes a finished room and half bath, adding flexible bonus space for work, storage, or extended use. Solid, well-maintained structure provides a reliable foundation

Siobhan Costello Weber Castinetti Realty Group

Co-Listing Agent

$330,000
- Land
- 1.63 Acres
- $202,454 per Acre
76 Grove St

Shrewsbury, MA
An exceptional opportunity awaits at 76 Grove St in Shrewsbury—this approved buildable lot offers the rare combination of privacy and convenience. Nestled in a desirable location with quick access to shopping, dining, and major routes, it’s perfect for investors seeking their next profitable project or buyers ready to bring their dream home to life. With its prime setting and endless

Siobhan Costello Weber Castinetti Realty Group

Agent License: Connecticut REB.0794034

Siobhan Costello Weber

(508) 850-0410

Castinetti Realty Group

(508) 850-0410

Homes for Sale by City

Siobhan Costello Weber

About Siobhan

Transaction History

Seller Deals

Buyer Deals

Production Over Time

1 Year View by Quarter

Seller Deals

Buyer Deals

Production Over Time

2 Year View by Quarter

Seller Deals

Buyer Deals

Production Over Time

5 Year View

Neighborhoods Siobhan is Experienced In

Siobhan's Listings and Deals

Siobhan's Open Houses

Siobhan's Active Listings