18 Birch Mill Rd Killingworth, CT 06419
Estimated payment $14,300/month
Highlights
- Popular Property
- Tennis Courts
- Sub-Zero Refrigerator
- Haddam-Killingworth High School Rated 9+
- In Ground Pool
- Waterfront
About This Home
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 & private upper-level primary suite features exposed beams, a waterfront balcony, dressing room, walk-in closet, clawfoot soaking tub & spa-inspired bath. Resort caliber amenities include a heated gunite saltwater pool & spa with cascading waterfall rare private clay tennis court, bluestone terraces, Viking grilling station, outdoor shower overlooking the pond. Architecture & nature exist in harmony.
Listing Agent
William Raveis Real Estate Brokerage Phone: (860) 227-1212 License #RES.0002284 Listed on: 06/11/2026
Home Details
Home Type
- Single Family
Est. Annual Taxes
- $18,831
Year Built
- Built in 1988
Lot Details
- 3.5 Acre Lot
- Waterfront
- Stone Wall
- Garden
- Property is zoned R-2
Home Design
- Colonial Architecture
- Tudor Architecture
- Concrete Foundation
- Stone Foundation
- Frame Construction
- Shake Roof
- Clap Board Siding
Interior Spaces
- 3,700 Sq Ft Home
- Open Floorplan
- Central Vacuum
- Vaulted Ceiling
- 2 Fireplaces
- French Doors
Kitchen
- Built-In Double Oven
- Gas Cooktop
- Sub-Zero Refrigerator
- Dishwasher
- Farmhouse Sink
Bedrooms and Bathrooms
- 3 Bedrooms
- Freestanding Bathtub
- Soaking Tub
Laundry
- Dryer
- Washer
Basement
- Walk-Out Basement
- Basement Fills Entire Space Under The House
Parking
- 1 Car Garage
- Parking Deck
Pool
- In Ground Pool
- Gunite Pool
- Spa
Outdoor Features
- Tennis Courts
- Balcony
- Deck
Location
- Flood Zone Lot
- Property is near shops
Schools
- Killingworth Elementary School
- Haddam-Killingworth High School
Utilities
- Central Air
- Heating System Uses Oil
- 60 Gallon+ Oil Water Heater
- Private Company Owned Well
- Fuel Tank Located in Basement
Listing and Financial Details
- Assessor Parcel Number 996278
Map
Home Values in the Area
Average Home Value in this Area
Tax History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Year | Tax Paid | Tax Assessment Tax Assessment Total Assessment is a certain percentage of the fair market value that is determined by local assessors to be the total taxable value of land and additions on the property. | Land | Improvement |
|---|---|---|---|---|
| 2025 | $18,831 | $718,200 | $97,020 | $621,180 |
| 2024 | $17,395 | $718,200 | $97,020 | $621,180 |
| 2023 | $16,856 | $718,200 | $97,020 | $621,180 |
| 2022 | $16,677 | $718,200 | $97,020 | $621,180 |
| 2021 | $11,027 | $412,680 | $105,950 | $306,730 |
| 2020 | $11,027 | $412,680 | $105,950 | $306,730 |
| 2019 | $11,336 | $412,680 | $105,950 | $306,730 |
| 2018 | $11,336 | $412,680 | $105,950 | $306,730 |
| 2017 | $11,336 | $412,680 | $105,950 | $306,730 |
| 2016 | $10,768 | $415,920 | $156,180 | $259,740 |
| 2015 | $10,494 | $415,920 | $156,180 | $259,740 |
| 2014 | $10,203 | $415,920 | $156,180 | $259,740 |
Property History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Date | Event | Price | List to Sale | Price per Sq Ft | Prior Sale |
|---|---|---|---|---|---|
| 06/14/2026 06/14/26 | For Sale | $2,350,000 | +80.8% | $635 / Sq Ft | |
| 10/25/2021 10/25/21 | Sold | $1,300,000 | -7.0% | $362 / Sq Ft | View Prior Sale |
| 09/03/2021 09/03/21 | Pending | -- | -- | -- | |
| 06/24/2021 06/24/21 | For Sale | $1,398,000 | +16.5% | $389 / Sq Ft | |
| 05/11/2012 05/11/12 | Sold | $1,200,000 | -4.0% | $293 / Sq Ft | View Prior Sale |
| 03/08/2012 03/08/12 | Pending | -- | -- | -- | |
| 02/13/2012 02/13/12 | For Sale | $1,250,000 | -- | $305 / Sq Ft |
Purchase History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Date | Type | Sale Price | Title Company |
|---|---|---|---|
| Warranty Deed | $1,300,000 | None Available | |
| Warranty Deed | $1,200,000 | -- | |
| Warranty Deed | $605,000 | -- |
Mortgage History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Date | Status | Loan Amount | Loan Type |
|---|---|---|---|
| Open | $1,040,000 | Purchase Money Mortgage | |
| Previous Owner | $1,080,000 | Adjustable Rate Mortgage/ARM |
Source: SmartMLS
MLS Number: 24183296
APN: KILL-000015-000000-000042
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