Mark Kosa Real Estate Agent - Lassen Realty, LLC

Mark Kosa co-listing agent for 117 Laurelwood Dr Unit 117, Hopedale, MA - sold for $390,000 — Sold $390,000 • Co-Listing Agent

Mark Kosa buyer's agent for 183 Fiskdale Rd, Brookfield, MA - sold for $675,000 — Sold $675,000

Mark Kosa listing agent for 106 Waverley Ave, Newton, MA - sold for $1,300,000 — Sold $1,300,000

Mark Kosa buyer's agent for 183 Fairbanks St, West Boylston, MA - sold for $540,000 — Sold $540,000

Mark Kosa listing agent for 404 Wattaquadock Hill Rd, Bolton, MA - sold for $750,000 — Sold $750,000

Mark Kosa listing agent for 109 Rocky Pond Rd, Boylston, MA - sold for $400,000 — Sold $400,000

Mark Kosa

Lassen Realty, LLC

24 Closed Sales

$12.7M Total Value

$310K - $1.3M Price Range

$528K Average Price

Prior 5 years

About Mark

Home Types: House, Townhouse, Condo, Mobile Homes

Years of Experience: 3

Transaction History

1 Year
2 Year
5 Year

Seller Deals
Total Deals	7
Total Value	$4,090,000
Average Sale Price	$584,286
Price Range	$325K - $1.3M

Seller Deals
Total Deals	11
Total Value	$6,180,000
Average Sale Price	$561,818
Price Range	$325K - $1.3M

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

Seller Deals
Total Deals	22
Total Value	$11,458,000
Average Sale Price	$520,818
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

Areas Mark is Experienced In

Mark's Listings and Deals

Recently Sold

$750,000

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

Bolton, MA
- 5 Days On Market
- $304/SF
- Current Est. Value $749K
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
- 8 Days On Market
- $693/SF
- 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
- 5 Days On Market
- $301/SF
- Current Est. Value $403K
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
- 2 Days On Market
- $474/SF
- 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
- 4 Days On Market
- $258/SF
- Current Est. Value $467K
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
- 6 Days On Market
- $370/SF
- Current Est. Value $451K
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
- 2 Days On Market
- $284/SF
- Current Est. Value $474K
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
- 4 Days On Market
- $235/SF
- Current Est. Value $318K
Mark Kosa Lassen Realty, LLC

Mark Kosa

(508) 978-5978

Lassen Realty, LLC

(508) 978-5978

Nearby Homes