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1139 State Route 17b

Mongaup Valley, NY 12762

5 beds
3 baths
1,530 sqft
~3/4 acre lot
$195 per sqft
1910 build
– on site

Spacious 5-bedroom home located in beautiful Sullivan County, NY. This inviting property features hardwood floors throughout, a large kitchen with sliding glass doors that open to the back deck, and a cozy breakfast nook perfect for your morning gatherings. With 3 full bathrooms, there’s room for everyone to live comfortably. Enjoy your coffee on the private deck off the Primary bedroom overlooking the peaceful yard. The expansive outdoor space is ideal for entertaining family and friends. Close to Forest Reserve Park, Toronto Reservoir, Bethel Woods Performing Arts Center, White Lake with its lakefront restaurants, Lake Superior, and just minutes to Kartrite Water Park, Resorts World Hotel & Casino, I-86, and the PA border for easy commuting and recreation.

Listing courtesy of ONEKEY / Keller Williams Hudson Valley

Last checked: Checking… • Last updated Jul 12, 2025 •

MLS# 815382 —

The Building

Year Built:

1910
Basement:

true
Architectural Style:

Farmhouse
Construction Materials:

Frame
Patio And Porch Features:

Deck
Year Built Effective:

1910
Building Area Units:

Square Feet
Building Area Total:

1530
Building Area Source:

Public Records
Exterior Features:

Fire Pit
Laundry Features:

In Kitchen, Laundry Room
Attic:

Scuttle

Interior

Levels:

Two
Living Area:

1530
Total Rooms:

7
Interior Features:

First Floor Bedroom, First Floor Full Bath, Cathedral Ceiling(s), Ceiling Fan(s), Eat-in Kitchen, Primary Bathroom, Master Downstairs, Natural Woodwork, Open Kitchen, Washer/Dryer Hookup
Fireplace:

false
Flooring:

Hardwood
Living Area Source:

Public Records
# of Kitchens:

1

Financial & Terms

Listing Terms:

Conventional, Seller Financing
Lease Considered:

false

The Property

Lot Features:

Back Yard, Cleared, Level
Lot Size Acres:

0.7594
Parcel Number:

2000-038-0-0001-020-000
Property Type:

Residential
Property Subtype:

Single Family Residence
Lot Size SqFt:

33,078 Sqft
Property Attached:

false
Property Condition:

Actual
Additional Parcels:

false
Lot Size Dimensions:

125 X 264
Waterfront:

false
Road Frontage Type:

State Road
Road Responsibility:

Public Maintained Road

Listing Agent

Contact info:

Taxes

Tax Year:

2024
Tax Source:

Municipality
Tax Annual Amount:

4100.62
Tax Lot:

20

Beds

Total Bedrooms:

5

Baths

Full Baths:

3
Total Baths:

3

The Listing

Special Listing Conditions:

None

Heating & Cooling

Heating:

Baseboard, Electric, Hot Water
Cooling:

None
# of Heating Zones:

10

Utilities

Sewer:

Septic Tank
Utilities:

Cable Available, Electricity Connected, Trash Collection Private
Water Source:

Well
Electric Company:

Nyseg

Appliances

Appliances:

Dishwasher, Electric Range, Microwave, Refrigerator

Schools

High School:

Monticello High School
Elementary School:

Kenneth L Rutherford School
High School District:

Monticello
Middle School:

Robert J Kaiser Middle School
Elementary School District:

Monticello
Middle School District:

Monticello

The Community

Association:

false
Senior Community:

false
Additional Fees:

No
Pool Private:

false
Spa:

false

Parking

Parking Features:

Driveway
Garage:

false
Carport:

false

Monthly cost estimate

Asking price

$299,000

Expense	Monthly cost
Mortgage	$1,601
Taxes	$341
Insurance	$82
Utilities	$212 See report
Total	$2,236/mo.^*
	^*This is an estimate

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Sale history

Date	Event	Source	Price	% Change
7/11/25 Jul 11, 2025	Listed / Active	ONEKEY	$299,000	118.2% (26.7% / YR)
2/4/21 Feb 4, 2021		ONEKEY	$137,000

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This house located in Mongaup Valley, NY 12762 is currently for sale for $299,000. 1139 State Route 17b is a 1,530 square foot house with 5 beds and 3 baths that has been on Estately for 1 days.

Listing Courtesy of: ONEKEY and Keller Williams Hudson Valley.

IDX information is provided exclusively for consumers’ personal non-commercial use. It may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Data is deemed reliable but is not guaranteed accurate by the MLS.

Based on information submitted to the MLS GRID. All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information.