Diamond Colonial home is move-in ready with a front porch, 2.5 bathrooms, eat-in kitchen, great room, 9-foot ceilings. Basement with egress window. Situated on beautiful private 1.46 acres, the home features a quartz kitchen, main bedroom with large closet and oversized shower, three additional spacious bedrooms, Laundry is on 2nd floor near bedrooms, and a two-car attached garage. Construction is completed and is move in ready! Already built NEW CONSTRUCTION, Additional information: Appearance:Diamond,Interior Features:Lr/Dr
Single-familyProperty Type
1930Year Built
1.46 acresLot Size
$1,065Est. Price/Sq.Ft.
Listing by Theresa Ottomano• Coldwell Banker American Homes
Bought with Laura Bloom• Coldwell Banker American Homes
Source:OneKey® MLS as Distributed by MLS Grid #L3576070
Redfin Estimate
$793,236
$74K since sold in April 2025$2,000 since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 10.5% higher than the average sale price ($718K) of 6 comparable homes.
Diamond Colonial home is move-in ready with a front porch, 2.5 bathrooms, eat-in kitchen, great room, 9-foot ceilings. Basement with egress window. Situated on beautiful private 1.46 acres, the home features a quartz kitchen, main bedroom with large closet and oversized shower, three additional spacious bedrooms, Laundry is on 2nd floor near bedrooms, and a two-car attached garage. Construction is completed and is move in ready! Already built NEW CONSTRUCTION, Additional information: Appearance:Diamond,Interior Features:Lr/Dr
Public Records
Apr 24, 2023
Sold
$240,000
$322/sq ft
Public Records
Nov 6, 2013
Sold
$155,000
$208/sq ft
OneKey® MLS as Distributed by MLS Grid #L2556866
Jul 8, 2013
Listing Removed
—
Feb 8, 2013
Listed
$159,900
$215/sq ft
OneKey® MLS as Distributed by MLS Grid #L2529755
Jan 27, 2013
Listing Removed
—
Sep 27, 2012
Listed
$169,000
$227/sq ft
OneKey® MLS as Distributed by MLS Grid #L2531164
Dec 2, 2012
Listing Removed
—
Oct 2, 2012
Listed
$259,900
$349/sq ft
OneKey® MLS as Distributed by MLS Grid #L2510362
Sep 10, 2012
Listing Removed
—
Jul 10, 2012
Listed
$469,900
$631/sq ft
OneKey® MLS as Distributed by MLS Grid #L2506491
Sep 25, 2012
Listing Removed
—
Jun 25, 2012
Listed
$179,900
$241/sq ft
Public Records
Dec 5, 2011
Sold
$200,000
$268/sq ft
Public Records
Dec 12, 1995
Sold
$87,000
$117/sq ft
Public Records
Aug 4, 1989
Sold
$117,000
$157/sq ft
Year
Property tax
Land + Additions
Assessment*
2026
$16,984
$400 + $3,175
$3,575
2025
$16,984 (+150.1%)
$400 + $3,175
$3,575
2024
$6,789 (+4.2%)
$615 + $810
$1,425
2023
$6,517 (+1.7%)
$615 + $810
$1,425
2022
$6,405
$615 + $810
$1,425
2021
$6,405 (+2.4%)
$615 + $810
$1,425
2020
$6,253 (+1.7%)
$615 + $810
$1,425
2019
$6,148 (+1.8%)
$615 + $810
$1,425
2018
$6,039 (+4.1%)
$615 + $810
$1,425
2017
$5,800 (+1.2%)
$615 + $810
$1,425
2016
$5,732 (+6.9%)
$615 + $810
$1,425
2015
$5,363
$615 + $775
$1,390
Tax history for 12 Dew Flag Rd
Year
Property tax
Land + Additions
Assessment*
2026
$16,984
$400 + $3,175
$3,575
2025
$16,984 (+150.1%)
$400 + $3,175
$3,575
2024
$6,789 (+4.2%)
$615 + $810
$1,425
2023
$6,517 (+1.7%)
$615 + $810
$1,425
2022
$6,405
$615 + $810
$1,425
2021
$6,405 (+2.4%)
$615 + $810
$1,425
2020
$6,253 (+1.7%)
$615 + $810
$1,425
2019
$6,148 (+1.8%)
$615 + $810
$1,425
2018
$6,039 (+4.1%)
$615 + $810
$1,425
2017
$5,800 (+1.2%)
$615 + $810
$1,425
2016
$5,732 (+6.9%)
$615 + $810
$1,425
2015
$5,363
$615 + $775
$1,390
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Property details
Exterior
Property Information
Ground Floor Sq. Ft: 745
Building Sq. Ft: 745
Legal Description: N FRANKLIN E DEW FLAG RD S VARON W FALCONE/CHIAIESE
Lot Information
# of Buildings: 1
Land Sq. Ft: 63,598
Municipality Name: BROOKHAVEN
Acres: 1.46
State Use Description: SINGLE FAMILY RESID
Financial
Assessor Information
Assessment Year: 2025
Public facts
Beds: —
Baths: —
Sq. Ft.: 745
Stories: —
Lot Size: 1.46 acres
Style: Single Family Residential
Year Built: 1930
Year Renovated: —
County: Suffolk County
APN: 0200326000200003005
Home facts updated by county records on Aug 31, 2026
Around this home
Schools
Some nearby schools may not be within this home's attendance zone. Please check the Longwood Central School District website to verify.
Ridge Elementary School
Public K-4 • 1.2mi
3/10
Longwood Junior High School
Public 7-8 • 2.6mi
7/10
Longwood High School
Public 9-12 • 3.0mi
6/10
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
4/10 Fire Factor
2% chance of being in a wildfire in next 30 years
4/10 Heat Factor
7 days above 93° expected this year, 18 days in 30 years
8/10 Wind Factor
80% chance of strong winds in next 30 years
4/10 Air Factor
3 unhealthy days expected this year, 5 days in 30 years
Provided by First Street
Historical weather
Ridge, NY • 11961
Average low and high temperatures (°F)
36
23
38
24
52
34
60
43
68
52
80
62
83
69
79
61
74
58
65
48
55
39
41
27
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
In this area, properties receive around 8.9 hours in
June and 4.5 hours in December, which is comparable to the
U.S. average for solar exposure.
8.9 hrs
4.5 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$754,000 – $913,000
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