Margaret Muir

21 Clarkson Killingworth CT 06419 | MLS #24197967

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WELCOME to 21 CLARKSON LANE. Set at the end of a coveted cul-de-sac and surrounded by approximately five acres of extraordinary privacy, 21 Clarkson Lane is a rare Connecticut estate offering an exceptional combination of refined living, resort-style amenities, and remarkable future possibilities. The property encompasses two separate building lots, including an approximately 1.9-acre approved buildable lot that is already established and does not require subdivision. Whether envisioned for a future residence, guest house, equestrian use, tennis court, additional acreage, or simply treasured open space, this offering provides a level of flexibility seldom found in the marketplace. A CONNECTICUT COUNTRY SETTING Stone walls, pastoral views, mature landscaping, and exceptional privacy create an idyllic country retreat. The grounds have been thoughtfully designed for both everyday enjoyment and memorable entertaining. A spectacular pool, new bluestone patio, and beautifully appointed outdoor kitchen create a private resort-like environment. A large fenced garden offers abundant space for fruits and vegetables, complemented by an established orchard. The impressive multi-purpose barn adds another dimension-ideal for outdoor toys and equipment, or easily imagined as a studio, pool house, game room, workshop, or creative retreat.
Current real estate data for Single Family in Killingworth as of Aug 16, 2026
22
Single Family Listed
70
Avg DOM
329
Avg $ / SqFt
$848,423
Avg List Price
Listing Provided Courtesy of Tracee Adams at William Raveis Real Estate

Property Details

Price:
$2,250,000
MLS #:
24197967
Status:
Active
Beds:
5
Baths:
6
Type:
Single Family
Neighborhood:
na
Listed Date:
Aug 13, 2026
Finished Sq Ft:
4,190
Lot Size:
187,308 sqft / 4.30 acres (approx)
Year Built:
2006
ColonialNaKillingworthHaddam-killingworth

Schools

Elementary School:
Killingworth
High School:
Haddam-Killingworth

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Property Summary

    21 Clarkson Killingworth CT is a Single Family for sale in Killingworth, CT, 06419. It is listed for $2,250,000 and features 5 beds, 6 baths, and has approximately 4,190 square feet of living space, and was originally constructed in 2006. The current price per square foot is $537. The average price per square foot for Single Family listings in Killingworth is $329. The average listing price for Single Family in Killingworth is $848,423.

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