18 Birch Mill Road
Killingworth, CT, 06419 $ 2,350,000
Bedrooms4 Baths2.1 Sq 3,700 Monthly Estimate*
$ 14,838
for $2,350,000 with 4 bedrooms and 2 full baths, 1 half bath. This 3,700 square foot home was built in 1988 on a lot size of 3.5.
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.
See more
FeaturesGeneralZoning R-2
Neighborhood N/A
County Middlesex
Tax Year July 2025-June 2026
Property Type Single Family For Sale
Status Active
Acres 3.5
Directions GPS
High School Haddam-Killingworth
City Killingworth
Elementary School Killingworth
Sq Ft Total 3700
DOM 45
Year Built 1988
Style Colonial Tudor
Year Built Source Public Records
Pool Description Gunite In Ground Pool
See more
InteriorCooling System Central Air
Total Rooms 7
Basement Description Full Full With Walk-Out
See more
ExteriorWater Source Private Well
Lot Description Professionally Landscaped Rolling Water View
See more
* Excluded FeaturesList ByJennifer GurnellListing Agent
William Raveis Real EstateBroker
Jennifer@JenniferGurnell.comEmail
Affordability Calculator
- Monthly Principal & Interest
- $14,838
- Monthly Property Taxes
- $1,569
- Monthly Home Insurance
- --
Default based on a 30-year fixed rate of 6.49% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.
Learn more about how to save NearbySingle family listings in Killingworth, CT
Average List Price $804,957
Percent of Sale Price 66%
About Killingworth, CT 6,474 Population
8% Since 2002
$ 106,055 Median Income
51.33 Median Age
29% Households with Children
Trends Information provided by ATTOM Data Solutions.
1186837 Elementary School
1186823 Middle School
Haddam-Killingworth High School High School
Pricing History| Date | Price | Price Change | Description |
|---|
| 6/12/2026 | $2,350,000 | | Listed Price |