First time on market. Builder's own custom Colonial offers every amenity. Three full levels of space. Finely detailed quality built. Crown moldings, tray ceilings, gleaming hardwood floors with inlay design. Beautiful marble entry, banquet-sized dining room, chef's kitchen, handsome office/study, marble master bath. Incredible lower level family room, theater, wet bar. Great for entertaining. 6th bedroom/bath above 3-car garage, ideal for live-in or studio. Over 4 private acres, room for pool. Additional Information: HeatingFuel:Oil Above Ground,ParkingFeatures:2 Car Detached,3 Car Attached,
First time on market. Builder's own custom Colonial offers every amenity. Three full levels of space. Finely detailed quality built. Crown moldings, tray ceilings, gleaming hardwood floors with inlay design. Beautiful marble entry, banquet-sized dining room, chef's kitchen, handsome office/study, marble master bath. Incredible lower level family room, theater, wet bar. Great for entertaining. 6th bedroom/bath above 3-car garage, ideal for live-in or studio. Over 4 private acres, room for pool.
OneKey® MLS as Distributed by MLS Grid #H4607464
Jan 26, 2017
Sold
$1,325,000
$141/sq ft
Mar 1, 2016
Listed
$1,349,000
$144/sq ft
HGMLS #3301223
Jan 15, 2014
Delisted
—
Jan 14, 2013
Listed
*
OneKey® MLS as Distributed by MLS Grid #H3301223
Jan 14, 2014
Listing Removed
—
Jan 14, 2013
Listed
$1,899,000
$202/sq ft
HGMLS #3223029
Jan 1, 2013
Delisted
—
Jul 23, 2012
Listed
*
OneKey® MLS as Distributed by MLS Grid #H3223029
Dec 31, 2012
Listing Removed
—
Jul 23, 2012
Listed
$2,195,000
$234/sq ft
Public Records
May 24, 2000
Sold
$275,000
$29/sq ft
Year
Property tax
Land + Additions
Assessment*
2026
$56,148 (+1.1%)
$20,600 + $208,100
$228,700
2025
$55,512 (+2.5%)
$20,600 + $208,100
$228,700
2024
$54,165 (+3.5%)
$20,600 + $208,100
$228,700
2023
$52,353 (+1.8%)
$20,600 + $208,100
$228,700
2022
$51,435 (+1.6%)
$20,600 + $208,100
$228,700
2021
$50,634 (+23.0%)
$20,600 + $208,100
$228,700
2020
$41,155 (+1.5%)
$20,600 + $208,100
$228,700
2019
$40,533
$20,600 + $169,400
$190,000
2018
$20,600 + $169,400
$190,000
2017
$20,600 + $169,400
$190,000
2016
$20,600 + $169,400
$190,000
2014
$20,600 + $204,400
$225,000
2013
$20,600 + $204,400
$225,000
Tax history for 9 Kniffen Rd
Year
Property tax
Land + Additions
Assessment*
2026
$56,148 (+1.1%)
$20,600 + $208,100
$228,700
2025
$55,512 (+2.5%)
$20,600 + $208,100
$228,700
2024
$54,165 (+3.5%)
$20,600 + $208,100
$228,700
2023
$52,353 (+1.8%)
$20,600 + $208,100
$228,700
2022
$51,435 (+1.6%)
$20,600 + $208,100
$228,700
2021
$50,634 (+23.0%)
$20,600 + $208,100
$228,700
2020
$41,155 (+1.5%)
$20,600 + $208,100
$228,700
2019
$40,533
$20,600 + $169,400
$190,000
2018
$20,600 + $169,400
$190,000
2017
$20,600 + $169,400
$190,000
2016
$20,600 + $169,400
$190,000
2014
$20,600 + $204,400
$225,000
2013
$20,600 + $204,400
$225,000
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Public record
Beds
6
Baths
5
Stories
—
Lot width
—
Lot depth
—
Lot size
4.17 Acres
Year renovated
—
Sq. Ft.
9,896
Year built
2001
Style
Single Family Residential
County
Westchester County
APN
555200A02800900010080010000
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Jul 30, 2026.
Property details
Parking
Parking Information
Parking Total: 5
Parking Features: Attached, Detached, Garage Door Opener
Interior
Fireplace Information
Has Fireplace
Fireplaces Total: 1
Heating & Cooling
Cooling: Central Air
Heating: Hydro Air, Oil
Interior Features
Interior Features: Central Vacuum,Eat-in Kitchen,Primary Bathroom,Wet Bar
Appliances: Dishwasher, Disposal, Microwave, Refrigerator, Indirect Water Heater
Flooring: Carpet
Levels: Three Or More
Patio And Porch Features: Deck, Patio
Room Information
Basement YN: Yes
Attic: Pull Stairs
Rooms Total: 16
Basement: Finished, Full
Bathroom Information
Bathrooms Full: 5
Bathrooms Half: 2
Exterior
Exterior Features
Construction Materials: Frame, HardiPlank Type
Fencing: Fenced
Security Features: Security System
Waterfront YN: No
Lot Information
Additional Parcels YN: No
Lot Features: Cul-De-Sac, Near Public Transit, Near School, Views
Property Information
Stories: 3
Living Area Source: Other
Property Sub Type: Single Family Residence
Property Condition: Actual
Financial
Tax Information
Tax Year: 2015
Tax Source: Municipality
Tax Annual Amount: $38,682
Financial Information
Buyer Financing: Conventional
Utilities
Utility Information
Electric Company: NYSEG
Sewer: Septic Tank
Utilities: Trash Collection Private
Location
School Information
Elementary School: Primrose
Middle Or Junior School: Somers Middle School
High School: Somers Senior High School
High School District: Somers
Location Information
Hamlet: Katonah
Directions: Rte 100 or 139 to Plumbrook Rd, to Sunderland to Kniffen, to end of cul-de-sac.
County Or Parish: Westchester County
Public facts
Beds: 6
Baths: 5.0
Sq. Ft.: 9,896
Stories: —
Lot Size: 4.17 acres
Style: Single Family Residential
Year Built: 2001
Year Renovated: —
County: Westchester County
APN: 555200A02800900010080010000
Home facts updated by county records on Jul 30, 2026
Around this home
Schools
Primrose School
Public PreK-2 • Assigned • 0.6mi
Somers Middle School
Public 6-8 • Assigned • 1.2mi
6/10
Somers Senior High School
Public 9-12 • Assigned • 0.6mi
8/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
1/10 Flood Factor
Minimal risk of a flood reaching the building in the next 30 years
1/10 Fire Factor
Unlikely to be in a wildfire in next 30 years
5/10 Heat Factor
7 days above 99° expected this year, 15 days in 30 years
4/10 Wind Factor
21% chance of strong winds in next 30 years
4/10 Air Factor
3 unhealthy days expected this year, 6 days in 30 years
Provided by First Street
Historical weather
Katonah, NY • 10536
Average low and high temperatures (°F)
34
20
37
21
54
34
63
43
70
51
81
61
87
68
82
60
77
57
67
46
54
37
39
25
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
In this area, properties receive around 8.7 hours in
June and 4.2 hours in December, placing it below the
U.S. average for solar exposure.
8.7 hrs
4.2 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$2.08M – $2.52M
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