1297 Route 343, Town of Washington, is a 332+ acre property in the Harlem Valley. The land includes hay fields, open pastures, mature hardwood forests, three ponds, and a stream, with elevation rising from east to west to approximately 1,175 feet.
Property Features
332+ acres
Rolling hay fields, open pastures, mature hardwood forests
Three ponds and a stream
Elevation rises east to west to approximately 1,175 feet
Level areas with panoramic views across the Harlem Valley
Numerous potential homesites throughout the acreage
Trail network suitable for hiking, horseback riding, ATV use, hunting, and wildlife observation
Suited for organic farming, livestock, and horses
Potential Uses
Private estate
Compound
Working farm
Equestrian retreat
Recreational use
Tax Exemption
Existing agricultural tax exemption
Reduces annual taxes from $91,728 to $54,001
Savings of $37,727 per year
Adjacent Parcel Available
109.69 acres, bringing combined acreage to 441.99 acres
Former dairy farm with four separate lots:
88.46 acres, previously used for cattle
10.37 acres with two homes, red barns, and a silo
9.82 acre hayfield
1.04 acre parcel
Building & site
Interest conveyedFee simple
Property typeLand
Land area332.30 acres
Land area, SF14,474,988 SF
WaterNone
SewerNone
Tax parcel1358897064-00-154500-0000
Electric utilityNYSEG
Distance to train1.9 mi
Zoning & permitted uses
District
RR10
Permitted uses are governed by the Washington zoning code and should be confirmed with the municipality. Ask a broker for the district summary.
Location, access & trade area
Trade area
Measure
Washington
Dutchess County
Population
4,496
298,220
Population density
77 / sq mi
375 / sq mi
Households
2,173
116,275
Median household income
$102,303
$99,478
Mean travel time to work
30 min
31 min
Median home value
$532,300
$400,600
Median gross rent
$1,176
$1,582
Unemployment (May 2026)
3.5%
Not stated
School districts
Dover, Millbrook, Northeast, Pine Plains
ZIP codes
12514, 12522, 12545, 12578, 12581, 12585, 12592
Municipal and county figures from the US Census American Community Survey (2024 5-year) and the Bureau of Labor Statistics. These are jurisdiction totals, not radius rings; ask a broker for a drive-time or radius study on a specific site.
Taxes & assessment
2026 taxes
$91,728
Assessed value
$3,862,300
Land assessment
$3,862,300
Full market value
$4,951,700
Owner of record
Millbrook Holdings LLC
School district
Dover
Property class
105
Assessment figures are taken from the municipal roll and should be independently verified. Annual tax bills are available on request.