New, New, New. This custom 4 Bedroom colonial has a layout that is simply perfect. 1st floor features a large living room, separate den. Kitchen with dining area with laundry and a 1/2 bath. Interior access to attached garage. 2nd level has full bath & 4 spacious bedrooms which includes a master bedroom with a full master bath. With a Large attic and full basement this home has it all. Central air and all utilities are high efficiency appliances & utilities., Additional information: Appearance:New,Separate Hotwater Heater:Y
Single-familyProperty Type
2021Year Built
6,250 sq ftLot Size
$347Est. Price/Sq.Ft.
Listing by Richard Rauff• Weichert Realtors Performance
Listing by Jared Garcia• Weichert Realtors Performance
Just Think Of All The Potential This Home Has! Picture Entertaining Your Guests In The Living Room And Preparing Meals In The Kitchen! Don't Miss Your Chance To Create Your Dream Home!, Additional information: Business Located At:,Rental Income:
Year
Property tax
Land + Additions
Assessment*
2026
$14,582
$230 + $3,790
$4,020
2025
$14,582 (−2.5%)
$230 + $3,790
$4,020
2024
$14,949 (+7.2%)
$230 + $3,790
$4,020
2023
$13,947 (+1,721.2%)
$230 + $3,790
$4,020
2022
$766
$230 + $3,790
$4,020
2021
$766 (−98.3%)
$230
2020
$45,340 (+523.8%)
$230 + $860
$1,090
2019
$7,269 (+71.3%)
$230 + $860
$1,090
2018
$4,243 (+23.7%)
$230 + $860
$1,090
2017
$3,428 (−1.9%)
$230 + $860
$1,090
2016
$3,495 (+3.0%)
$230 + $860
$1,090
2015
$3,392 (−28.9%)
$230 + $860
$1,090
2014
$4,769 (−14.1%)
$230 + $860
$1,090
2013
$5,550 (−3.1%)
$230 + $860
$1,090
2012
$5,726 (+4.4%)
$230 + $1,710
$1,940
2011
$5,488 (+2.7%)
$230 + $1,710
$1,940
2010
$5,344 (+1.2%)
$230 + $1,710
$1,940
2009
$5,283
$230 + $1,710
$1,940
Tax history for 840 County Line Rd
Year
Property tax
Land + Additions
Assessment*
2026
$14,582
$230 + $3,790
$4,020
2025
$14,582 (−2.5%)
$230 + $3,790
$4,020
2024
$14,949 (+7.2%)
$230 + $3,790
$4,020
2023
$13,947 (+1,721.2%)
$230 + $3,790
$4,020
2022
$766
$230 + $3,790
$4,020
2021
$766 (−98.3%)
$230
2020
$45,340 (+523.8%)
$230 + $860
$1,090
2019
$7,269 (+71.3%)
$230 + $860
$1,090
2018
$4,243 (+23.7%)
$230 + $860
$1,090
2017
$3,428 (−1.9%)
$230 + $860
$1,090
2016
$3,495 (+3.0%)
$230 + $860
$1,090
2015
$3,392 (−28.9%)
$230 + $860
$1,090
2014
$4,769 (−14.1%)
$230 + $860
$1,090
2013
$5,550 (−3.1%)
$230 + $860
$1,090
2012
$5,726 (+4.4%)
$230 + $1,710
$1,940
2011
$5,488 (+2.7%)
$230 + $1,710
$1,940
2010
$5,344 (+1.2%)
$230 + $1,710
$1,940
2009
$5,283
$230 + $1,710
$1,940
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Public record
Beds
—
Baths
2.5
Stories
—
Lot width
—
Lot depth
—
Lot size
6,300 Sq. Ft.
Year renovated
—
Sq. Ft.
1,977
Year built
2021
Style
Single Family Residential
County
Suffolk County
APN
0100164000100065000
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Aug 31, 2026.
Property details
Parking
Parking Information
Parking Features: Attached, Private
Interior
Heating & Cooling
Cooling: Central Air
Heating: ENERGY STAR Qualified Equipment, Natural Gas, Forced Air
Interior Features
Interior Features: ENERGY STAR Qualified Door(s)
Window Features: Double Pane Windows, Insulated Windows
Appliances: Gas Water Heater, ENERGY STAR Qualified Appliances, Dishwasher, Microwave, Refrigerator
Room Information
Room Description: Living room, eat in kitchen, den, dining area, Laundry, garage, 1/2 bath, fireplace||Bedroom, Bedroom, Bedroom, Master Bedroom w. Master bath. Additional full bath
Basement YN: No
Attic: See Remarks
Rooms Total: 8
Basement: Full, Unfinished
Bathroom Information
Bathrooms Full: 2
Bathrooms Half: 1
Exterior
Exterior Features
Construction Materials: Vinyl Siding
Property Information
Property Sub Type: Single Family Residence
Property Condition: New Construction
Financial
Tax Information
Tax Section: 164
Tax Annual Amount: $13,500
Financial Information
Buyer Financing: Conventional
Location
School Information
Middle Or Junior School: Edmund W Miles Middle School
High School: Amityville Memorial High School
High School District: Amityville
Location Information
Directions: Route 110 to Ritter Ave. Left on County Line Rd. House is on right
County Or Parish: Suffolk County
Public facts
Beds: —
Baths: 2.5
Sq. Ft.: 1,977
Stories: —
Lot Size: 6,300 square feet
Style: Single Family Residential
Year Built: 2021
Year Renovated: —
County: Suffolk County
APN: 0100164000100065000
Home facts updated by county records on Aug 31, 2026
Around this home
Schools
Northwest Elementary School
Public K-2 • Assigned • 0.7mi
Edmund W Miles Middle School
Public 6-8 • Assigned • 1.0mi
4/10
Amityville Memorial High School
Public 9-12 • Assigned • 2.3mi
3/10
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 94° expected this year, 16 days in 30 years
6/10 Wind Factor
61% chance of strong winds in next 30 years
4/10 Air Factor
5 unhealthy days expected this year, 7 days in 30 years
Provided by First Street
Historical weather
Amityville, NY • 11701
Average low and high temperatures (°F)
36
25
39
26
51
36
59
44
67
53
79
64
83
71
79
64
75
61
67
51
56
40
43
29
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 4.5 hours in December, placing it below the
U.S. average for solar exposure.
8.7 hrs
4.5 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$793,000 – $960,000
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