Siobhan Costello Weber

Shrewsbury MA

Castinetti Realty Group

159 Closed Sales

$92.7M Total Value

$325K - $1.6M Price Range

$582.7K Average Price

Prior 5 years

About Siobhan

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

Years of Experience: 8

Transaction History

1 Year
2 Year
5 Year

Seller Deals
Total Deals	34
Total Value	$22,454,400
Average Sale Price	$660,424
Price Range	$170K - $1.6M

Buyer Deals
Total Deals	9
Total Value	$5,245,900
Average Sale Price	$582,878
Price Range	$365K - $1.1M

1 Year View by Quarter

Seller Deals
Total Deals	55
Total Value	$34,637,905
Average Sale Price	$629,780
Price Range	$170K - $1.6M

Buyer Deals
Total Deals	19
Total Value	$11,221,300
Average Sale Price	$590,595
Price Range	$350K - $1.1M

2 Year View by Quarter

Seller Deals
Total Deals	114
Total Value	$67,539,605
Average Sale Price	$592,453
Price Range	$48K - $1.6M

Buyer Deals
Total Deals	45
Total Value	$25,115,100
Average Sale Price	$558,113
Price Range	$207K - $1.2M

5 Year View

Neighborhoods Siobhan is Experienced In

Siobhan's Open Houses

$599,000

Open Sun 11AM - 1PM
- 4 Beds
- 2.5 Baths
- 2,790 Sq Ft
15 Haviland St

Worcester, MA
Step into the craftsmanship and character of a bygone era in this beautifully preserved 1910 Craftsman on Worcester's desirable West Side. Offering 2,790 sq ft, 4 beds, and 3.5 baths, this distinctive home showcases original stained woodwork, beamed ceilings, diamond-pane windows, and timeless architectural details throughout. Flexible spaces include a home office, sleeping porch, walk-up attic

Siobhan Costello Weber Castinetti Realty Group

$949,000

Open Sun 11AM - 1PM
- 5 Beds
- 3.5 Baths
- 3,643 Sq Ft
17 Stone Ave

Shrewsbury, MA
Exceptional flexibility meets everyday livability in this thoughtfully expanded home. Designed to evolve with your life, it offers over 3,600 sf of versatile living space, including a beautifully integrated legal accessory dwelling unit with its own entrance, driveway, full kitchen, vaulted ceilings, and sun-filled open-concept living area. Whether hosting extended family or long-term guests,

Siobhan Costello Weber Castinetti Realty Group

$399,000

Open Sun 11AM - 1PM
- 3 Beds
- 1.5 Baths
- 1,678 Sq Ft
27 Kinnicutt Rd

Worcester, MA
OFFER DEADLINE MONDAY 6/22 @ 12 NOON! Nestled in one of Worcester's most sought-after neighborhoods, this longtime family home is ready for its next chapter. The main level features 2 bedrooms, a full bath, kitchen, dining area, and a fireplaced living room, along with a separate entry and coat closet. Upstairs offers an additional bedroom and expansive walk-in attic space with future

Siobhan Costello Weber Castinetti Realty Group

Co-Listing Agent

$649,000

Open Sat 1PM - 3PM
- 5 Beds
- 2 Baths
- 3,073 Sq Ft
11 Old Common

Millbury, MA
Built before America was a country and thoughtfully updated for modern living, this remarkable 1700s home offers a rare opportunity to own a piece of history without sacrificing modern convenience. Historic charm and character blend seamlessly with extensive renovations throughout, creating a home that feels both timeless and functional. Spacious living areas, updated kitchen and baths, and

Siobhan Costello Weber Castinetti Realty Group

Co-Listing Agent

$769,000

Open Sat 1:30PM - 3PM
- 4 Beds
- 3 Baths
- 2,836 Sq Ft
15 Mars Dr

Shrewsbury, MA
Welcome to 15 Mars Dr in Shrewsbury, a fantastic opportunity to enjoy comfort, space, and convenience in one of Central Massachusetts’ most desirable communities. Nestled in a welcoming neighborhood, this well-maintained home offers a versatile layout designed to fit a variety of lifestyles. Inside, you’ll find bright and inviting living spaces filled with natural light, a functional kitchen with

Siobhan Costello Weber Castinetti Realty Group

Co-Listing Agent

$649,000

Open Sat 1PM - 3PM
- 3 Beds
- 2 Baths
- 2,100 Sq Ft
335 Salisbury St

Worcester, MA
Completely reimagined from the studs up, this is not a typical renovation but a full-scale transformation offering the feel of new construction in one of Worcester’s most sought-after locations. Set along Salisbury St, this expanded home blends modern design with thoughtful functionality. The original structure was rebuilt and topped with a brand new second level, creating a stunning primary

Siobhan Costello Weber Castinetti Realty Group

Siobhan's Active Listings

$1,250,000
- 5 Beds
- 3.5 Baths
- 4,174 Sq Ft
25 Farmington Dr

Shrewsbury, MA
Fully reimagined and extensively updated, this home delivers the level of finish and function today’s buyers expect. A complete 2023 main-level renovation anchors the space, featuring a designer kitchen with new cabinetry, countertops, and high-end appliances, seamlessly connected to bright, open living and dining areas with recessed lighting and refinished hardwoods. Smart enhancements including

Siobhan Costello Weber Castinetti Realty Group

Co-Listing Agent

$579,000
- 3 Beds
- 2.5 Baths
- 2,165 Sq Ft
707 Southwood Ln

Clinton, MA
Aspen II end-unit townhouse in The Woodlands, set on a quiet cul-de-sac with a flexible, sought-after layout. Features a first-floor primary suite, dedicated study, and open main living area. Kitchen offers granite countertops, large island, custom maple cabinets, and 9’ ceilings, flowing into the dining area and living room with gas fireplace and slider to a private deck overlooking woods.

Siobhan Costello Weber Castinetti Realty Group

Co-Listing Agent

$979,000
- 5 Beds
- 3.5 Baths
- 3,771 Sq Ft
45 Wachusett Ave

Shrewsbury, MA
Exceptional space, flexibility, and outdoor amenities define this impressive 5-bedroom, 3.5-bath raised ranch set on an oversized corner lot in one of Shrewsbury’s sought-after neighborhoods. A lovely and sprawling main level showcases newly refinished hardwood floors, an open-concept kitchen designed for gathering and entertaining, and a spacious bonus sunroom that enhances the home's versatile

Siobhan Costello Weber Castinetti Realty Group

Co-Listing Agent

$299,000
- 2 Beds
- 1 Bath
- 728 Sq Ft
95 Natural History Dr

Worcester, MA
OFFER DEADLINE: June 1 @ 11 am!! Condo/apartment alternative blending efficient living with scenic lake views and inviting outdoor space in a convenient Worcester location. Filled with natural light, this thoughtfully designed home offers a full-size kitchen with stainless steel appliances, a smart, functional layout, and comfortable living spaces that make the most of every square foot. Enjoy

Siobhan Costello Weber Castinetti Realty Group

Co-Listing Agent

$849,000
- 3 Beds
- 2.5 Baths
- 2,324 Sq Ft
59 Stoney Hill Rd

Shrewsbury, MA
OFFER DEADLINE 11am on 6/3! Immaculately maintained and thoughtfully updated, this 3-bedroom, 2.5-bath home offers the space, flexibility, and setting today’s buyers are searching for. Set on a beautifully landscaped lot with mature plantings and wooded buffer for added privacy, the property blends indoor comfort with outdoor enjoyment. The well-designed layout features inviting living spaces

Siobhan Costello Weber Castinetti Realty Group

Co-Listing Agent

$469,000
- 3 Beds
- 2 Baths
- 1,600 Sq Ft
309 Pleasant St

Paxton, MA
Fully renovated + truly move-in ready, this light-filled ranch offers the easy living buyers want. Thoughtfully redesigned w/ an open concept, the main living space flows between the stunning new kitchen, dining area, and inviting LR w/ fireplace + custom built-ins. Fresh paint, new flooring, and recessed lighting create a bright, modern feel. The kitchen features stainless appliances, butcher

Siobhan Costello Weber Castinetti Realty Group

Co-Listing Agent

$599,000
- 4 Beds
- 2.5 Baths
- 2,484 Sq Ft
6 Sunrise Ave

Auburn, MA
This thoughtfully updated custom Cape offers approx. 2,650 sq ft of living space on a private 1.49-acre lot in a convenient Auburn location. The flexible layout includes four bedrooms and 2.5 baths, featuring a spa-inspired first-floor primary suite with cathedral ceilings, skylight, jetted tub, dual showerheads, and a spacious walk-in closet. The home showcases hardwood and stone flooring, a

Siobhan Costello Weber Castinetti Realty Group

$4,375 per month
- 3 Beds
- 2.5 Baths
- 1,900 Sq Ft
259 Lake Ave N

Unit A

Worcester, MA
**End Unit Condo for Rent - ONE minute from UMass!**This bright and energy-efficient end unit condo is ideally located across from Quinsigamond Lake and just minutes from UMass Hospital and major highways. The open first-floor layout is filled with natural light and offers lake views from the master bedroom and living room. The modern kitchen features quartzite countertops, a large island, and

Siobhan Costello Weber Castinetti Realty Group

Recently Sold

$630,000

Sold May 5, 2026
- 3 Beds
- 1.5 Baths
- 1,692 Sq Ft
491 Grafton St

Shrewsbury, MA
- 5% Above List
- $372/SF
- 6 Days On Market
- Current Est. Value $606K
Siobhan Costello Weber Castinetti Realty Group

$575,000

Sold Aug 18, 2025
- 3 Beds
- 1.5 Baths
- 1,746 Sq Ft
45 A f Putnam Rd

Charlton, MA
- $329/SF
- 9 Days On Market
- Current Est. Value $581K
Siobhan Costello Weber Castinetti Realty Group

$790,000

Sold Jul 8, 2025
- 9 Beds
- 3 Baths
- 4,680 Sq Ft
174 Vernon St

Worcester, MA
- 10% Above List
- $169/SF
- 4 Days On Market
- Current Est. Value $799K
Siobhan Costello Weber Castinetti Realty Group

$320,000

Sold Jun 30, 2025
- 3 Beds
- 1 Bath
- 1,190 Sq Ft
328 Oxford St N

Auburn, MA
- 10% Above List
- $269/SF
- 2 Days On Market
- Current Est. Value $569K
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

Recently Sold