18 Birch Mill
Killingworth, CT, 06419
$2,350,000
The Well Maiden Estate is a rare architecturally significant waterfront estate where cascading waterfalls, winding streams, and Kroopa Pond converge across 3.5 private acres to create one of Connecticut’s most extraordinary residential settings. Just minutes from the Connecticut shoreline, marinas, beaches, and fine dining, and ideally positioned between New York City and Boston, this private luxury retreat offers a rare opportunity to own a legacy estate equally suited for year-round living or a distinguished second-home escape. Originally a historic fishing shack, the restored wing blends seamlessly with a striking architectural residence designed to embrace its natural surroundings. Soaring vaulted and barreled wood ceilings, walls of glass, rich hardwood and slate floors, and 2 grand living rooms with magnificent fieldstone fireplaces create warm, sophisticated spaces with captivating water views. Chef’s kitchen with Garland 6-burner range, double ovens, flat-top grill, Sub-Zero refrigerator, farmhouse sink, pantry, and abundant cabinetry. Four bedrooms include a private upper-level primary suite with exposed beams, waterfront balcony, dressing room, walk-in closet, clawfoot soaking tub, and spa-inspired bath. Heated gunite saltwater pool and spa with waterfall, rare private clay tennis court, bluestone terraces, Viking grilling station, and outdoor shower complete this exceptional estate where architecture, nature, privacy, and luxury exist in perfect harmony.
Current real estate data for Single Family in Killingworth as of Jul 30, 2026
26
Single Family Listed
64
Avg DOM
320
Avg $ / SqFt
$775,496
Avg List Price
Listing Provided Courtesy of Jennifer Gurnell at William Raveis Real Estate
Property Details
Price:
$2,350,000
MLS #:
24183296
Status:
Active
Beds:
4
Baths:
3
Type:
Single Family
Neighborhood:
na
Listed Date:
Jun 11, 2026
Finished Sq Ft:
3,700
Lot Size:
152,460 sqft / 3.50 acres (approx)
Year Built:
1988
Schools
Elementary School:
Killingworth
High School:
Haddam-Killingworth
Interior
Exterior
Financial
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Community
- Address18 Birch Mill Killingworth CT
- NeighborhoodN/A
- CityKillingworth
- CountyMiddlesex
- Zip Code06419
Subdivisions in Killingworth
Property Summary
- 18 Birch Mill Killingworth CT is a Single Family for sale in Killingworth, CT, 06419. It is listed for $2,350,000 and features 4 beds, 3 baths, and has approximately 3,700 square feet of living space, and was originally constructed in 1988. The current price per square foot is $635. The average price per square foot for Single Family listings in Killingworth is $320. The average listing price for Single Family in Killingworth is $775,496.
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18 Birch Mill
Killingworth, CT


