Siobhan Costello Weber

Responds Quickly

Shrewsbury MA

Castinetti Realty Group

162 Closed Sales

$89.6M Total Value

$309K - $1.5M Price Range

$552.9K Average Price

Prior five years

About Siobhan

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

Years of Experience: 7

Transaction History

1 Year
2 Year
5 Year

Seller Deals

Total Deals

Total Value

$19,318,045

Average Sale Price

$623,163

Price Range

$195K - $1.1M

Buyer Deals

Total Deals

Total Value

$3,353,900

Average Sale Price

$558,983

Price Range

$350K - $1.1M

1 Year View by Quarter

Seller Deals

Total Deals

Total Value

$29,405,305

Average Sale Price

$625,645

Price Range

$195K - $1.1M

Buyer Deals

Total Deals

Total Value

$10,001,400

Average Sale Price

$588,318

Price Range

$350K - $1.1M

2 Year View by Quarter

Seller Deals

Total Deals

111

Total Value

$62,612,605

Average Sale Price

$564,078

Price Range

$48K - $1.5M

Buyer Deals

Total Deals

Total Value

$26,963,200

Average Sale Price

$528,690

Price Range

$175K - $1.2M

5 Year View

Neighborhoods Siobhan is Experienced In

Siobhan's Open Houses

Co-Listing Agent

$299,900
- 2 Beds
- 1 Bath
- 760 Sq Ft
71 Nicholas Rd

Unit H

Framingham, MA
Freshly painted and newly carpeted mid-level 2-bedroom, 1-bath unit at Mill Falls Condominiums in Framingham. This updated unit offers a spacious living and dining area, a kitchen with ample cabinet storage, and a refreshed full bath featuring a new tile floor. Both bedrooms include generous closet space. Residents enjoy on-site amenities such as a swimming pool, laundry facilities, and

Siobhan Costello Weber Castinetti Realty Group

Siobhan's Recent Active Listings

$999,000
- 4 Beds
- 2.5 Baths
- 2,450 Sq Ft
76 Grove St

Shrewsbury, MA
Discover the potential at 76 Grove Street, Shrewsbury—a rare opportunity to build your dream home in one of Central MA’s most desirable towns. This private lot, set back from the road for added tranquility, is ready for your vision. Imagine a modern farmhouse, a classic colonial, or a sleek contemporary design—each perfectly suited to today’s buyer and comfortably within Shrewsbury’s $1M

Siobhan Costello Weber Castinetti Realty Group

Co-Listing Agent

$799,900
- 4 Beds
- 2.5 Baths
- 3,710 Sq Ft
31 Oak St

Shrewsbury, MA
First time available in over 30 years, this gracious Colonial offers nearly 3,710 sq ft of flexible living space, rich in character and ready for the next chapter. Set on a level 0.53-acre lot, the home features 4 bedrooms, 2.5 baths, high ceilings, original millwork, and a layout designed for both formal entertaining and everyday living. A finished third-floor bonus area provides additional

Siobhan Costello Weber Castinetti Realty Group

Co-Listing Agent

$1,599,000
- 5 Beds
- 4 Baths
- 4,361 Sq Ft
70 Colonial Dr

Shrewsbury, MA
A completely custom colonial, crafted in 2025 by a local premier builder, offers sophistication and quality Shrewsbury hasn’t seen in ages. With an impeccable eye to detail, the home is filled with natural light from expansive windows and skylights. The great room showcases a floor-to-ceiling stone fireplace and opens to a chef’s kitchen with dual islands, custom cabinetry, luxe stone, and

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

$434,900
- 2 Beds
- 1.5 Baths
- 1,452 Sq Ft
20 Woodland Dr

Unit 316

Lowell, MA
Beautifully updated townhouse in Lowell with 2 bedrooms, 1.5 baths, and over 1,400 sq. ft. of living space. Recent 2024–2025 upgrades include NuCore waterproof wide-plank flooring, fresh paint, quartz countertops, Whirlpool stainless appliances (gas range with air-fry, low-profile microwave, top-freezer fridge), ceramic tile backsplash, Moen pull-down faucet, and refreshed cabinetry with modern

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

Responds Quickly

(508) 850-0410

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 Recent Active Listings