Mary O'Hagan

Concord MA

Barrett Sotheby's International Realty

25 Closed Sales

$19.4M Total Value

$489K - $1.3M Price Range

$774.2K Average Price

Prior 5 years

About Mary

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

Years of Experience: 8

Transaction History

1 Year
2 Year
5 Year

Seller Deals
Total Deals	5
Total Value	$5,299,000
Average Sale Price	$1,059,800
Price Range	$700K - $1.3M

Buyer Deals
Total Deals	4
Total Value	$4,165,000
Average Sale Price	$1,041,250
Price Range	$810K - $1.3M

1 Year View by Quarter

Seller Deals
Total Deals	10
Total Value	$9,192,222
Average Sale Price	$919,222
Price Range	$489K - $1.3M

Buyer Deals
Total Deals	8
Total Value	$6,779,000
Average Sale Price	$847,375
Price Range	$420K - $1.3M

2 Year View by Quarter

Seller Deals
Total Deals	16
Total Value	$11,912,222
Average Sale Price	$744,514
Price Range	$310K - $1.3M

Buyer Deals
Total Deals	9
Total Value	$7,444,000
Average Sale Price	$827,111
Price Range	$420K - $1.3M

Neighborhoods Mary is Experienced In

Mary's Active Listings

$1,049,000
- 4 Beds
- 2.5 Baths
- 2,500 Sq Ft
20 Hynes Ln

Harvard, MA
Welcome to this gorgeous 4-bedroom, 2.5-bath Colonial, set on a private 3.41-acre lot in a sought-after neighborhood. From the moment you arrive, the professionally landscaped grounds impress with beautiful gardens, wooded views, and multiple outdoor spaces to enjoy. Inside, the beautifully updated kitchen is a true centerpiece, featuring a stunning island, high-end granite countertops &

Mary O'Hagan Barrett Sotheby's International Realty

$1,099,000
- 4 Beds
- 2.5 Baths
- 3,088 Sq Ft
28 Whitman St

Stow, MA
Tucked back from the road on a private, expansive lot, this sun-filled 4-bedroom, 2.5-bath Colonial offers the perfect blend of space, comfort, and outdoor living. The open-concept layout features hardwood floors throughout much of the home, a spacious kitchen with granite countertops ideal for gathering, and a dining room with lovely crown molding and wainscoting. The dramatic cathedral-ceiling

Mary O'Hagan Barrett Sotheby's International Realty

$1,195,000
- 4 Beds
- 2.5 Baths
- 3,366 Sq Ft
177 Long Hill Rd

Bolton, MA
Welcome to this pristine, sun filled, beautifully updated Colonial set on 1.5 acres of meticulously landscaped grounds featuring stone walls, flowering crabapple trees, roses, lilacs, hydrangeas, & vibrant garden beds. A 2003 addition showcases a stunning chef’s kitchen including Wolf/Subzero appliances with custom cabinetry, which opens to a cathedral-ceiling family room with fireplace &

Mary O'Hagan Barrett Sotheby's International Realty

$565,000
- 3 Beds
- 1.5 Baths
- 1,550 Sq Ft
17 Calvin St

Ayer, MA
Enjoy water views and a prime location in this 3-bedroom, 1.5-bath split-entry home, just moments from the town beach and playground. Hardwood floors flow through the main level, featuring a spacious kitchen with peninsula that opens to the dining area—perfect for everyday living and entertaining. The inviting living room offers expansive pond views, and a charming fireplace, while three

Mary O'Hagan Barrett Sotheby's International Realty

Recently Sold

$700,000

Sold Feb 2, 2026
- 3 Beds
- 2.5 Baths
- 1,764 Sq Ft
23 Calvin St

Ayer, MA
- 3% Below List
- $397/SF
- 12 Days On Market
- Current Est. Value $714K
Mary O'Hagan Barrett Sotheby's International Realty

$1,100,000

Sold Jan 15, 2026
- 4 Beds
- 2.5 Baths
- 3,259 Sq Ft
67 Powder Mill Rd

Sudbury, MA
- 12% Below List
- $338/SF
- 41 Days On Market
- Current Est. Value $1M
Mary O'Hagan Barrett Sotheby's International Realty

$1,270,000

Sold Aug 1, 2025
- 4 Beds
- 4.5 Baths
- 4,628 Sq Ft
294 Harvard Rd

Bolton, MA
- 6% Below List
- $274/SF
- 16 Days On Market
- Current Est. Value $1M
Mary O'Hagan Barrett Sotheby's International Realty

$1,149,000

Sold Jul 31, 2025
- 4 Beds
- 2.5 Baths
- 2,300 Sq Ft
83 Canal St

Unit 85

Winchester, MA
- $500/SF
- 4 Days On Market
Mary O'Hagan Barrett Sotheby's International Realty

$1,080,000

Sold Jul 21, 2025
- 4 Beds
- 2.5 Baths
- 3,519 Sq Ft
171 Wilder Rd

Bolton, MA
- 1% Below List
- $307/SF
- 95 Days On Market
- Current Est. Value $1M
Mary O'Hagan Barrett Sotheby's International Realty

$556,000

Sold Mar 25, 2025
- 2 Beds
- 2.5 Baths
- 1,744 Sq Ft
733 Blue Heron Dr

Unit 733

Lancaster, MA
- 5% Above List
- $319/SF
- 5 Days On Market
Mary O'Hagan Barrett Sotheby's International Realty

$489,000

Sold Oct 24, 2024
- 4 Beds
- 2 Baths
- 2,545 Sq Ft
467 Prospect St

Unit 2

Methuen, MA
- 2% Below List
- $192/SF
- 18 Days On Market
- Current Est. Value $495K
Mary O'Hagan Barrett Sotheby's International Realty

$788,000

Sold Oct 3, 2024
- 3 Beds
- 2.5 Baths
- 3,415 Sq Ft
3 Mcintosh Dr

Unit 1

Stow, MA
- 5% Above List
- $231/SF
- 5 Days On Market
Mary O'Hagan Barrett Sotheby's International Realty

$1,070,000

Sold Jul 1, 2024
- 4 Beds
- 3.5 Baths
- 4,089 Sq Ft
94 Sugar Rd

Bolton, MA
- 2% Above List
- $262/SF
- 4 Days On Market
- Current Est. Value $1M
Mary O'Hagan Barrett Sotheby's International Realty

Agent License: Massachusetts 449549077

Mary O'Hagan

(978) 449-4660

Homes for Sale by City

Mary O'Hagan

About Mary

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

Neighborhoods Mary is Experienced In

Mary's Listings and Deals

Mary's Active Listings

Recently Sold