Mark Kosa

Westborough MA

Lassen Realty, LLC

23 Closed Sales

$12.3M Total Value

$310K - $1.3M Price Range

$534K Average Price

Prior 5 years

About Mark

Home Types: House, Townhouse, Condo, Manufactured

Years of Experience: 3

Transaction History

1 Year
2 Year
5 Year

Seller Deals
Total Deals	7
Total Value	$4,175,000
Average Sale Price	$596,429
Price Range	$325K - $1.3M

Buyer Deals
Total Deals	1
Total Value	$675,000
Average Sale Price	$675,000

Seller Deals
Total Deals	12
Total Value	$6,444,000
Average Sale Price	$537,000
Price Range	$155K - $1.3M

Buyer Deals
Total Deals	1
Total Value	$675,000
Average Sale Price	$675,000

Seller Deals
Total Deals	21
Total Value	$11,068,000
Average Sale Price	$527,048
Price Range	$155K - $1.3M

Buyer Deals
Total Deals	2
Total Value	$1,215,000
Average Sale Price	$607,500
Price Range	$540K - $675K

5 Year View

Neighborhoods Mark is Experienced In

Mark's Active Listings

Co-Listing Agent

$390,000
- 2 Beds
- 1.5 Baths
- 1,440 Sq Ft
117 Laurelwood Dr

Unit 117

Hopedale, MA
Wonderful townhome in the desireable Laurelwood community offers gleaming first floor hardwoods and quieter wall to wall carpet for stairs & bedrooms. Spacious and flexible open living/dining room combo with slider to composite deck. Classic white eat-in kitchen with tiled backsplash, stone counter, ample cupboards and stainless appliances. Upstairs Hollywood bathroom with beautiful double vanity

Mark Kosa Lassen Realty, LLC

Recently Sold

$750,000

Sold May 27, 2026
- 3 Beds
- 2.5 Baths
- 2,471 Sq Ft
404 Wattaquadock Hill Rd

Bolton, MA
- $304/SF
- 5 Days On Market
- Current Est. Value $744K
Mark Kosa Lassen Realty, LLC

$1,300,000

Sold May 13, 2026
- 3 Beds
- 1.5 Baths
- 1,877 Sq Ft
106 Waverley Ave

Newton, MA
- 30% Above List
- $693/SF
- 8 Days On Market
- Current Est. Value $1M
Mark Kosa Lassen Realty, LLC

$400,000

Sold May 5, 2026
- 1 Bed
- 1 Bath
- 1,328 Sq Ft
109 Rocky Pond Rd

Boylston, MA
- $301/SF
- 5 Days On Market
- Current Est. Value $400K
Mark Kosa Lassen Realty, LLC

$475,000

Sold Apr 8, 2025
- 2 Beds
- 1 Bath
- 1,002 Sq Ft
29 Walcott St

Hopkinton, MA
- 8% Above List
- $474/SF
- 2 Days On Market
- Current Est. Value $476K
Mark Kosa Lassen Realty, LLC

$460,000

Sold Dec 6, 2024
- 3 Beds
- 1.5 Baths
- 1,780 Sq Ft
120 Ash St

Unit 120

Northbridge, MA
- $258/SF
- 4 Days On Market
- Current Est. Value $448K
Mark Kosa Lassen Realty, LLC

$430,000

Sold Oct 25, 2024
- 2 Beds
- 1.5 Baths
- 1,163 Sq Ft
29 Pinecrest Village

Hopkinton, MA
- 4% Above List
- $370/SF
- 6 Days On Market
- Current Est. Value $444K
Mark Kosa Lassen Realty, LLC

$432,000

Sold Aug 25, 2023
- 2 Beds
- 1.5 Baths
- 1,520 Sq Ft
5 Walcott Valley Dr

Hopkinton, MA
- 2% Above List
- $284/SF
- 2 Days On Market
- Current Est. Value $443K
Mark Kosa Lassen Realty, LLC

$280,000

Sold May 5, 2023
- 2 Beds
- 2 Baths
- 1,194 Sq Ft
160 Fremont St

Unit 301

Worcester, MA
- $235/SF
- 4 Days On Market
- Current Est. Value $311K
Mark Kosa Lassen Realty, LLC

Mark Kosa

(508) 978-5978

Lassen Realty, LLC

(508) 978-5978

Homes for Sale by City

Mark Kosa

About Mark

Transaction History

Seller Deals

Buyer Deals

Seller Deals

Buyer Deals

Seller Deals

Buyer Deals

Production Over Time

5 Year View

Neighborhoods Mark is Experienced In

Mark's Listings and Deals

Mark's Active Listings

Recently Sold