This charming two-bedroom, one-bath cottage in Mastic Beach offers great potential for those looking to add their personal touch. Featuring a detached garage and a fenced-in backyard, the home provides both convenience and privacy. While it needs some TLC, it’s a fantastic opportunity to create a cozy retreat near the scenic William Floyd Estate, where you can enjoy beautiful trails and serene natural surroundings. Five blocks from a marina, 7 blocks from the bay, this cottage is brimming with possibilities in a desirable location offering a peaceful retreat with easy access to nature and the water.
Single-familyProperty Type
1945Year Built
3,920 sq ftLot Size
$504Est. Price/Sq.Ft.
1 car garageParking
Listing by Jessica Bell• Coldwell Banker Reliable R E
Bought with Tawsiful Haque• HomeSmart Dynamic Realty
Source:OneKey® MLS as Distributed by MLS Grid #911629
Redfin Estimate
$360,053
$15K since sold in April 2026$12K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 15.8% lower than the average sale price ($428K) of 6 comparable homes.
This charming two-bedroom, one-bath cottage in Mastic Beach offers great potential for those looking to add their personal touch. Featuring a detached garage and a fenced-in backyard, the home provides both convenience and privacy. While it needs some TLC, it’s a fantastic opportunity to create a cozy retreat near the scenic William Floyd Estate, where you can enjoy beautiful trails and serene natural surroundings. Five blocks from a marina, 7 blocks from the bay, this cottage is brimming with possibilities in a desirable location offering a peaceful retreat with easy access to nature and the water.
OneKey® MLS as Distributed by MLS Grid #831988
Sep 11, 2025
Listing Removed
—
Sep 10, 2025
Relisted
—
Mar 14, 2025
Pending
—
Mar 6, 2025
Listed
$330,000
$462/sq ft
Public Records
Jun 30, 2005
Sold
$200,000
$280/sq ft
Public Records
May 1, 1998
Sold
$68,000
$95/sq ft
Public Records
Feb 22, 1989
Sold
$94,000
$132/sq ft
Year
Property tax
Land + Additions
Assessment*
2026
$3,794
$80 + $739
$819
2025
$3,794 (+0.9%)
$80 + $739
$819
2024
$3,760 (+4.2%)
$80 + $739
$819
2023
$3,607 (−12.0%)
$80 + $739
$819
2022
$4,098
$80 + $739
$819
2021
$4,098 (+1.0%)
$80 + $739
$819
2020
$4,057 (+1.4%)
$80 + $739
$819
2019
$4,002 (+2.2%)
$80 + $739
$819
2018
$3,916 (−34.9%)
$80 + $739
$819
2017
$6,018 (+11.0%)
$80 + $1,260
$1,340
2016
$5,422
$80 + $1,260
$1,340
Tax history for 15 Juniper Rd
Year
Property tax
Land + Additions
Assessment*
2026
$3,794
$80 + $739
$819
2025
$3,794 (+0.9%)
$80 + $739
$819
2024
$3,760 (+4.2%)
$80 + $739
$819
2023
$3,607 (−12.0%)
$80 + $739
$819
2022
$4,098
$80 + $739
$819
2021
$4,098 (+1.0%)
$80 + $739
$819
2020
$4,057 (+1.4%)
$80 + $739
$819
2019
$4,002 (+2.2%)
$80 + $739
$819
2018
$3,916 (−34.9%)
$80 + $739
$819
2017
$6,018 (+11.0%)
$80 + $1,260
$1,340
2016
$5,422
$80 + $1,260
$1,340
*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
Subdivision Name: MASTIC BCH
Ground Floor Sq. Ft: 714
Building Sq. Ft: 714
Legal Description: MASTIC BEACH 1004 5010 & 5011
Lot Information
# of Buildings: 1
Land Sq. Ft: 3,920
Legal Lot Number: 37
Legal Block Number: 1006
Municipality Name: BROOKHAVEN
Acres: 0.09
State Use Description: SINGLE FAMILY RESID
Financial
Assessor Information
Assessment Year: 2025
Public facts
Beds: —
Baths: —
Sq. Ft.: 714
Stories: —
Lot Size: 3,920 square feet
Style: Single Family Residential
Year Built: 1945
Year Renovated: —
County: Suffolk County
APN: 0200979101300037000
Home facts updated by county records on Aug 31, 2026
Around this home
Schools
Tangier Smith Elementary School
Public K-5 • Assigned • 1.3mi
8/10
William Paca Middle School
Public 6-8 • Assigned • 1.3mi
5/10
William Floyd High School
Public 9-12 • Assigned • 1.5mi
3/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
6/10 Flood Factor
Estimated 61-75% chance of a flood reaching the building in the next 30 years
2/10 Fire Factor
0.00% chance of being in a wildfire in next 30 years
4/10 Heat Factor
7 days above 91° expected this year, 19 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
Mastic Beach, NY • 11951
Average low and high temperatures (°F)
36
24
38
25
49
35
57
43
64
53
76
63
81
70
77
63
73
60
65
49
55
39
42
28
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 4.6 hours in December, which is comparable to the
U.S. average for solar exposure.
8.9 hrs
4.6 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$343,000 – $415,000
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