About 21 Clarkson Lane
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 current property encompasses two separate building lots. The main house is on 2.4 acres, and the adjacent 1.9 acre lot may be purchased in addition to this home. 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. 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.
Features of 21 Clarkson Lane
| MLS® # | 24197967 |
|---|---|
| Price | $1,995,000 |
| Bedrooms | 5 |
| Bathrooms | 6.00 |
| Full Baths | 4 |
| Half Baths | 2 |
| Square Footage | 4,190 |
| Acres | 2.40 |
| Type | Single Family For Sale |
| Style | Colonial |
| Status | Active |
Community Information
| Address | 21 Clarkson Lane |
|---|---|
| Area | N/A |
| City | Killingworth |
| County | Middlesex |
| State | Connecticut |
| Zip Code | 06419 |
Amenities
| Features | Energy Star Rated, Active Solar, Generator, Geothermal Heat, Programmable Thermostat |
|---|---|
| Parking Spaces | 6 |
| Parking | Attached Garage, Paved, Driveway |
| # of Garages | 3 |
| Is Waterfront | No |
| Waterfront | Not Applicable |
| Has Pool | Yes |
| Pool | In Ground Pool |
Interior
| Interior Features | Open Floor Plan |
|---|---|
| Appliances | Gas Range, Subzero, Washer, Dryer, Wine Chiller |
| Heating | Solar, Geothermal |
| Cooling | Ceiling Fans, Central Air, Zoned |
| Fireplace | Yes |
| # of Fireplaces | 3 |
| Has Basement | Yes |
| Basement | Full, Fully Finished |
Exterior
| Exterior | Vinyl Siding, Wood |
|---|---|
| Lot Description | Secluded, Borders Open Space, Dry, Level Lot, Professionally Landscaped, Open Lot |
| Roof | Asphalt Shingle |
| Foundation | Concrete |
School Information
| Elementary | Killingworth |
|---|---|
| Middle | Haddam-Killingworth |
| High | Haddam-Killingworth |
Additional Information
| Date Listed | August 13th, 2026 |
|---|---|
| Days on Market | 36 |
| Zoning | R-02 |
| RE / Bank Owned | No |
Listing Details
| Office | William Raveis Real Estate |
|---|