The Well Maiden Estate is an 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. Positioned between New York City and Boston and minutes from the Connecticut shoreline, 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 & 2 grand living rooms anchored by magnificent fieldstone fireplaces create warm, sophisticated spaces w/ captivating water views throughout. The chef's kitchen is appointed with a professional Garland six-burner range, double ovens, flat-top grill, Sub-Zero refrigerator, farmhouse sink, pantry, and abundant cabinetry. 4 bedrooms provide flexible accommodations, a private upper-level primary suite featuring exposed beams, a waterfront balcony, dressing room, walk-in closet, clawfoot soaking tub & spa-inspired bath. Resort caliber amenities include a heated saltwater pool and spa, waterfall-fed gunite pool, rare private clay tennis court, bluestone terraces, Viking grilling station, outdoor shower overlooking the pond. Architecture & nature exist in harmony.
Coming soon 06/14
$2,350,000
18 Birch Mill Road, Killingworth, CT 06419
3beds
3,700sqft
Single Family Residence
Built in 1988
3.5 Acres Lot
$1,655,800 Zestimate®
$635/sqft
$-- HOA
What's special
- 1 day |
- 249 |
- 14 |
Zillow last checked:
Listing updated:
Listed by:
Jennifer Gurnell (860)227-1212,
William Raveis Real Estate 203-453-0391
Source: Smart MLS,MLS#: 24183296
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Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 3
- Bathrooms: 3
- Full bathrooms: 2
- 1/2 bathrooms: 1
Primary bedroom
- Features: Balcony/Deck, Bedroom Suite, Dressing Room, Stall Shower, Walk-In Closet(s), Hardwood Floor
- Level: Upper
- Area: 286 Square Feet
- Dimensions: 13 x 22
Bedroom
- Features: French Doors, Hardwood Floor
- Level: Main
- Area: 176 Square Feet
- Dimensions: 11 x 16
Bedroom
- Features: French Doors, Walk-In Closet(s), Hardwood Floor
- Level: Main
- Area: 228 Square Feet
- Dimensions: 12 x 19
Family room
- Features: Vaulted Ceiling(s), Fireplace, Hardwood Floor
- Level: Main
- Area: 414 Square Feet
- Dimensions: 18 x 23
Great room
- Features: Vaulted Ceiling(s), Beamed Ceilings, Bookcases, Built-in Features, Fireplace, Hardwood Floor
- Level: Main
- Area: 459 Square Feet
- Dimensions: 17 x 27
Kitchen
- Features: Beamed Ceilings, Breakfast Nook, Dining Area, Pantry, Hardwood Floor
- Level: Main
- Area: 322 Square Feet
- Dimensions: 14 x 23
Office
- Features: French Doors, Hardwood Floor
- Level: Main
- Area: 154 Square Feet
- Dimensions: 11 x 14
Heating
- Forced Air, Oil
Cooling
- Central Air
Appliances
- Included: Gas Cooktop, Oven, Refrigerator, Dishwasher, Washer, Dryer, Water Heater
Features
- Central Vacuum, Open Floorplan
- Doors: French Doors
- Basement: Full
- Attic: None
- Number of fireplaces: 2
Interior area
- Total structure area: 3,700
- Total interior livable area: 3,700 sqft
- Finished area above ground: 3,700
Property
Parking
- Total spaces: 1
- Parking features: Detached
- Garage spaces: 1
Features
- Patio & porch: Deck
- Exterior features: Balcony, Tennis Court(s), Garden, Stone Wall
- Has private pool: Yes
- Pool features: Gunite, In Ground
- Spa features: Heated
- Has view: Yes
- View description: Water
- Has water view: Yes
- Water view: Water
- Waterfront features: Waterfront, Pond, Access
Lot
- Size: 3.5 Acres
- Features: Landscaped, Rolling Slope, In Flood Zone
Details
- Parcel number: 996278
- Zoning: R-2
Construction
Type & style
- Home type: SingleFamily
- Architectural style: Colonial,Tudor
- Property subtype: Single Family Residence
Materials
- Clapboard
- Foundation: Concrete Perimeter, Stone
- Roof: Shake
Condition
- New construction: No
- Year built: 1988
Utilities & green energy
- Sewer: Septic Tank
- Water: Well
Community & HOA
Community
- Features: Health Club, Library, Medical Facilities, Shopping/Mall, Stables/Riding
HOA
- Has HOA: No
Location
- Region: Killingworth
Financial & listing details
- Price per square foot: $635/sqft
- Tax assessed value: $718,200
- Annual tax amount: $18,831
- Date on market: 6/12/2026
Estimated market value
$1,655,800
$1.52M - $1.80M
$7,939/mo
Price history
| Date | Event | Price |
|---|---|---|
| 9/13/2024 | Listing removed | $14,999$4/sqft |
Source: Zillow Rentals Report a problem | ||
| 7/3/2024 | Price change | $14,999+76.5%$4/sqft |
Source: Zillow Rentals Report a problem | ||
| 5/29/2024 | Price change | $8,499-15%$2/sqft |
Source: Zillow Rentals Report a problem | ||
| 5/22/2024 | Price change | $10,000-16.7%$3/sqft |
Source: Zillow Rentals Report a problem | ||
| 5/8/2024 | Listed for rent | $12,000$3/sqft |
Source: Zillow Rentals Report a problem | ||
| 10/25/2021 | Sold | $1,300,000-7%$351/sqft |
Source:  Smart MLS #170409752 Report a problem | ||
| 9/3/2021 | Contingent | $1,398,000$378/sqft |
Source: Smart MLS #170409752 Report a problem | ||
| 6/24/2021 | Listed for sale | $1,398,000+16.5%$378/sqft |
Source: Smart MLS #170409752 Report a problem | ||
| 5/11/2012 | Sold | $1,200,000-4%$324/sqft |
Source: Smart MLS #M9132681 Report a problem | ||
| 2/15/2012 | Price change | $1,250,000-16.4%$338/sqft |
Source: William Pitt Sotheby's International Realty #M9132681 Report a problem | ||
| 11/8/2011 | Listed for sale | $1,495,000$404/sqft |
Source: William Pitt Sotheby's International Realty #M9120661 Report a problem | ||
| 5/29/2011 | Listing removed | $1,495,000$404/sqft |
Source: William Pitt Sotheby's International Realty #M9120661 Report a problem | ||
| 10/30/2010 | Listed for sale | $1,495,000$404/sqft |
Source: William Pitt Sothebys International Realty #M9120661 Report a problem | ||
| 9/26/2010 | Listing removed | $1,495,000$404/sqft |
Source: William Pitt Sotheby's International Realty #M9120661 Report a problem | ||
| 3/6/2010 | Listed for sale | $1,495,000-16.9%$404/sqft |
Source: William Pitt Sotheby's International Realty #M9120661 Report a problem | ||
| 10/30/2009 | Listing removed | $1,799,000$486/sqft |
Source: NCI #M9105765 Report a problem | ||
| 10/2/2009 | Listed for sale | $1,799,000-21.6%$486/sqft |
Source: NCI #M9105765 Report a problem | ||
| 8/28/2009 | Listing removed | $2,295,000$620/sqft |
Source: NCI #M9105765 Report a problem | ||
| 2/14/2009 | Listed for sale | $2,295,000$620/sqft |
Source: NCI #M9105765 Report a problem | ||
| 10/15/2008 | Listing removed | $2,295,000$620/sqft |
Source: NCI #M9105765 Report a problem | ||
| 5/3/2008 | Listed for sale | $2,295,000-22.2%$620/sqft |
Source: NCI #M9105765 Report a problem | ||
| 3/22/2008 | Listing removed | $2,950,000$797/sqft |
Source: NCI #M9105765 Report a problem | ||
| 2/1/2008 | Listed for sale | $2,950,000+387.6%$797/sqft |
Source: NCI #M9105765 Report a problem | ||
| 2/25/1997 | Sold | $605,000$164/sqft |
Source: Public Record Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $18,831 +8.3% | $718,200 |
| 2024 | $17,395 +3.2% | $718,200 |
| 2023 | $16,856 +1.1% | $718,200 |
| 2022 | $16,677 +51.2% | $718,200 +74% |
| 2021 | $11,027 | $412,680 |
| 2020 | $11,027 -2.7% | $412,680 |
| 2019 | $11,336 | $412,680 |
| 2018 | $11,336 | $412,680 |
| 2017 | $11,336 +8% | $412,680 -0.8% |
| 2015 | $10,494 +2.9% | $415,920 |
| 2014 | $10,203 +2% | $415,920 +2% |
| 2013 | $10,005 -1% | $407,880 |
| 2012 | $10,107 -42.5% | $407,880 -47.1% |
| 2011 | $17,566 +8.4% | $771,470 |
| 2010 | $16,201 | $771,470 |
| 2009 | $16,201 | $771,470 |
| 2008 | $16,201 -0.9% | $771,470 |
| 2007 | $16,355 -0.5% | $771,470 +29.7% |
| 2006 | $16,430 +3.8% | $594,660 |
| 2005 | $15,836 +15.3% | $594,660 0% |
| 2003 | $13,738 +13.9% | $594,700 +44.4% |
| 2001 | $12,063 +74.5% | $411,700 +54.8% |
| 1995 | $6,914 | $265,940 |
Find assessor info on the county website
Monthly payment
Est. payment$--/mo
Payment breakdown
Explore the cost of this home by adjusting the details. Changes won't be saved.All calculations are estimates and provided by Zillow, Inc. for informational purposes only. Actual amounts may vary.
HOA fees may include property taxes on listings classified as Co-Ops. Contact the listing agent and/or owner for fee details.
Mortgage interest rates are dependent on a number of factors, including credit score, down payment, and repayment length. Interest rate data provided by Zillow Group Marketplace, Inc. as of 1/1/1970 from various mortgage lenders with which we have lead or other similar arrangements; the Estimated Payment is an average of those rates.
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Climate risks
Neighborhood: 06419
Nearby schools
GreatSchools rating
- 6/10Haddam-Killingworth Intermediate SchoolGrades: 4-5Distance: 1.2 mi
- 7/10Haddam-Killingworth Middle SchoolGrades: 6-8Distance: 1.2 mi
- 9/10Haddam-Killingworth High SchoolGrades: 9-12Distance: 5.3 mi
Schools provided by the listing agent
- Elementary: Killingworth
- High: Haddam-Killingworth
Source: Smart MLS. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.
A local agent can set up tours, give advice and negotiate with sellers.
A local lender can help you make sure your offer is ready when you are.
- Connecticut
- Middlesex County
- Killingworth
- 06419
- 18 Birch Mill Road
Nearby cities
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