Karen Rosenthal

Guilford CT

William Raveis Real Estate

34 Closed Sales

$20M Total Value

$220K - $1.5M Price Range

$588.5K Average Price

Prior 5 years

About Karen

Karen is a skilled agent and makes sure she is current on what is happening in the local markets. She has streamlined her business so she can spend most of her time taking care of clients. Karen prides herself on being reachable through texts, calls, and emails. Her goal is not only to guide clients through a smooth buying or selling process, but to leave them feeling wowed by the level of service they received throughout.

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

Years of Experience: 6

Education: Drew University, B.A. Lesley University, M.Ed.

Transaction History

1 Year
2 Year
5 Year

Seller Deals
Total Deals	2
Total Value	$1,668,000
Average Sale Price	$834,000
Price Range	$243K - $1.4M

Buyer Deals
Total Deals	2
Total Value	$852,000
Average Sale Price	$426,000
Price Range	$160K - $692K

Seller Deals
Total Deals	4
Total Value	$3,968,000
Average Sale Price	$992,000
Price Range	$243K - $1.4M

Buyer Deals
Total Deals	4
Total Value	$2,874,731
Average Sale Price	$718,683
Price Range	$160K - $1.3M

Seller Deals
Total Deals	15
Total Value	$12,299,000
Average Sale Price	$819,933
Price Range	$243K - $1.5M

Buyer Deals
Total Deals	19
Total Value	$7,709,231
Average Sale Price	$405,749
Price Range	$160K - $1.3M

5 Year View

Neighborhoods Karen is Experienced In

East End District

1 Sale

Karen's Active Listings

$1,375,000
- 4 Beds
- 3.5 Baths
- 4,357 Sq Ft
462 Horse Pond Rd

Madison, CT
2025 is the year to have the home of your dreams! Come see this gorgeous enclave of five to-be-built houses on a private road in the charming coastal town of Madison. Ideally located just two hours from both NYC and Boston, Madison is beloved for its award-winning schools, restaurants, shops, and of course, beautiful beaches! Constructed by a well-established local Madison builder, these houses

Karen Rosenthal William Raveis Real Estate

$1,450,000
- 4 Beds
- 2.5 Baths
- 4,357 Sq Ft
26 Opening Hill Rd

Madison, CT
2024 is the year to have the home of your dreams! Come see this gorgeous enclave of four to-be-built houses in an ideal location less than 10 minutes from the center of Madison, with restaurants, beaches, shops, and the historic Green all within 5 miles. Surrounded by natural wooded beauty and bordered by Madison Conservation Land, these lots are stunning! Includes all the details you would

Karen Rosenthal William Raveis Real Estate

$1,500,000
- 5 Beds
- 3.5 Baths
- 4,357 Sq Ft
38 Opening Hill Rd

Madison, CT
2024 is the year to have the home of your dreams! Come see this gorgeous enclave of four to-be-built houses in an ideal location less than 10 minutes from the center of Madison, with restaurants, beaches, shops, and the historic Green all within 5 miles. Surrounded by natural wooded beauty and bordered by Madison Conservation Land, these lots are stunning! Includes all the details you would

Karen Rosenthal William Raveis Real Estate

Recently Sold

$243,000

Sold Feb 27, 2026
- 2 Beds
- 2 Baths
- 1,265 Sq Ft
75 Redwood Dr

Unit 1303

East Haven, CT
- 2% Above List
- $192/SF
- 34 Days On Market
Karen Rosenthal William Raveis Real Estate

$1,425,000

Sold Sep 12, 2025
- 5 Beds
- 2.5 Baths
- 4,232 Sq Ft
45 Kaiser Ln

Madison, CT
- 3% Below List
- $337/SF
- 94 Days On Market
- Current Est. Value $1M
Karen Rosenthal William Raveis Real Estate

$1,100,000

Sold Feb 3, 2025
- 5 Beds
- 3.5 Baths
- 4,357 Sq Ft
140 Chestnut Grove

Guilford, CT
- 21% Below List
- $252/SF
- 148 Days On Market
- Current Est. Value $1M
Karen Rosenthal William Raveis Real Estate

$1,200,000

Sold Oct 22, 2024
- 4 Beds
- 2.5 Baths
- 4,357 Sq Ft
40 Shunpike Rd

Durham, CT
- 11% Below List
- $275/SF
- 94 Days On Market
Karen Rosenthal William Raveis Real Estate

$1,145,000

Sold Jun 28, 2024
- 4 Beds
- 2.5 Baths
- 3,700 Sq Ft
546 Opening Hill Rd

Madison, CT
- 21% Above List
- $309/SF
- 0 Days On Market
- Current Est. Value $1M
Karen Rosenthal William Raveis Real Estate

$1,500,000

Sold Sep 14, 2023
- 5 Beds
- 3.5 Baths
- 5,837 Sq Ft
13 White Pine Ln

Guilford, CT
- $257/SF
- 19 Days On Market
- Current Est. Value $1M
Karen Rosenthal William Raveis Real Estate

$518,000

Sold Apr 10, 2023
- 3 Beds
- 3.5 Baths
- 3,040 Sq Ft
237 County Rd

Madison, CT
- 1% Below List
- $170/SF
- 11 Days On Market
- Current Est. Value $605K
Karen Rosenthal William Raveis Real Estate

$650,000

Sold Jan 26, 2023
- 4 Beds
- 4 Baths
- 3,076 Sq Ft
2657 Durham Rd

Guilford, CT
- $211/SF
- 6 Days On Market
- Current Est. Value $798K
Karen Rosenthal William Raveis Real Estate

$580,000

Sold Dec 30, 2022
- 4 Beds
- 2.5 Baths
- 2,390 Sq Ft
1220 Little Meadow Rd

Guilford, CT
- 3% Below List
- $243/SF
- 11 Days On Market
- Current Est. Value $690K
Karen Rosenthal William Raveis Real Estate

Awards and Designations

NAR - National Association of Realtors

Karen Rosenthal

(860) 879-3634

Homes for Sale by City

Karen Rosenthal

About Karen

Transaction History

Seller Deals

Buyer Deals

Seller Deals

Buyer Deals

Seller Deals

Buyer Deals

Production Over Time

5 Year View

Neighborhoods Karen is Experienced In

Karen's Listings and Deals

Karen's Active Listings

Recently Sold

Awards and Designations