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MLS ID KEY912994Last updated Sep 20, 2026

Single Family

1 Washington Avenue

Pending · Orangetown · Rockland County, NY 10960

Bedrooms
3 Beds
Bathrooms
4 Baths
Year built
1900
Est. monthly taxes
$3,987.75
Property gallery0 / 48
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About this home

Tharp Cove the post revolutionary sandstone home, nestled along the Hudson River was the longtime home of Marie Tharp recognized as one of the greatest cartographers of the 20th century. The antique Dutch colonial has been completely reimagined and renovated with the highest aesthetic judgement, the finest craftsmanship and materials throughout the interior amenities continuing across the extensive exterior structural improvements. The entry foyer with the new wide plank white oak flooring runs throughout the main level, opening to the riverfront living room. The Coffered ceiling with inlaid wood veneer paper is warmed by the limestone fireplace mantle, the custom lighting reflects the historical focus of the renovation. French doors open to the covered Riverview porch with panoramic views of the Hudson River and Mario Cuomo Bridge. The kitchen is customized by L EICHT which redefines the essence of this timeless oak cabinetry and GAGGENAU appliances highlighted with DORNBRACHT fixtures throughout the house, quartzite counters, open to the expansive dining area. The pantry with custom cabinetry and storage flows through the hallway to the guest powder room with beautifully articulated sink and vanity. The newly fabricated oak staircase opens to the second floor, landing with a river view window seat, and original oak flooring throughout this level. The primary suite faces east for morning sunrise and panoramic views of the Hudson. The primary bathroom with limestone tile freestanding tub and river view shower, custom walnut cabinetry and vanity sink offer private views of the river. Two additional bedroom and hall bath with Calcutta marble amenities, completes this level with a staircase to the finished attic. The lower level has been completely transformed into a gallery, entertainment area with a full wine cellar, bar and guest full bath with adjacent Murphy bed for guests and a laundry room. Extensive approved plans for 12 x 45 inground riverfront pool, landscaping and complete riverfront development are available to the fortunate buyer. This is a riverfront gem of the highest quality, craftsmanship and materials created as a riverfront refuge for a full-time or part-time living a quiet sanctuary only 30 minutes from the GWB. Walking distance to the village of Nyack and Piermont with antique shops, restaurants, walking and biking trails, riverfront sailing, and public parks within the riverfront communities of the lower Hudson Valley. See attached list of improvements 2024.

Listing snapshot

Days on site
59 days
Listed on MLS
Oct 2, 2025
Full baths
3
Half baths
1
Annual property tax (MLS)
$47,853
Tax year
2025
Area source (MLS)
Plans
Listing brokerage
Corcoran Baer & McIntosh
MLS ID
KEY912994
Last updated
Sep 20, 2026

General features

Property type
Single Family
Property subtype
Single Family Residence
Year built
1900
Garage
No
Total parking
3
Parking
Driveway, Private
Water source
Public
Sewer
Public Sewer
Utilities
Cable Connected, Electricity Connected, Natural Gas Connected, Phone Connected, See Remarks, Sewer Connected, Trash Collection Private, Underground Utilities, Water Connected

Interior features

Basement
Finished, Full, See Remarks
Heating
Ducts, Forced Air, Hydro Air, Natural Gas, Radiant, See Remarks, Radiant Floor, Other
Cooling
Central Air, Ductwork, ENERGY STAR Qualified Equipment, Zoned
Interior
Built-in Features, Crown Molding, Eat-in Kitchen, Entrance Foyer, High Speed Internet, Kitchen Island, Natural Woodwork, Open Floorplan, Open Kitchen, Original Details, Other, Pantry, Primary Bathroom, Quartz/Quartzite Counters, Recessed Lighting, Smart Thermostat, Soaking Tub
Appliances
Dishwasher, Dryer, Electric Oven, ENERGY STAR Qualified Appliances, Exhaust Fan, Gas Cooktop, Gas Oven, Humidifier, Microwave, Refrigerator, Stainless Steel Appliance(s), Washer, Gas Water Heater
Flooring
Carpet, Ceramic Tile, Concrete, Hardwood, Wood
Fireplace
Yes
Fireplaces
1

Exterior features

Architectural style
Colonial, Farmhouse
Construction materials
Stone, Stucco
Exterior
Garden, Rain Gutters
Private pool
No

Schools (MLS)

Elementary school
Upper Nyack
Elementary school district
Nyack
Middle school
Nyack Middle School
Middle school district
Nyack
High school
Nyack Senior High School
High school district
Nyack

School information is provided by the MLS. Confirm attendance eligibility with the school district.

Recent activity

  1. Listing updated from MLS
  2. MLS status changed
  3. First seen on this site

Location

Orangetown · Rockland County, NY 10960Show interactive map
1 Washington Avenue

Orangetown · Rockland County, NY 10960

Google Maps directions

Estimate monthly payment

Loan detailsFixed-rate, fully amortizing loan. Edit the assumptions below; no market rate is supplied.
Property expenses (USD)
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Estimated monthly principal & interest—

Monthly property taxNot provided

Monthly association / maintenance feesNot provided

Estimated monthly total of entered costs—

Excludes insurance, mortgage insurance, special assessments and lender fees. MLS taxes may reflect abatements or exemptions and can change.

Listing data is supplied by the MLS and may change without notice.