Google street view image for 34 Little Harbor Rd, Mount Sinai, NY 11766

Off market oct 2021 for $1.2M

$1,700,344

Est. refi paymentEst. refi $7,770/mo

—

•

— ba

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3,910

sq ft

34 Little Harbor Rd, Mount Sinai, NY 11766

About this home

34 Little Harbor Rd is a 3,910 square foot house on a 2 acre lot. - it last sold on October 10, 2021 for $1,200,000. Based on Redfin's Mount Sinai data, we estimate the home's value is $1,700,344.

Single-familyProperty Type

2002Year Built

2 acresLot Size

$435Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$1,700,344

$500K since sold in October 2021$1,000 since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 36.2% higher than the average sale price ($1.25M) of 6 comparable homes.

SOLD BY REDFIN AUG 19, 2026
$1,100,000
A
4 beds3.5 baths3,992 sq ft
3 Heidi Ln, Mount Sinai, NY 11766
Listing by Redfin Real Estate
SOLD SEP 18, 2026
$985,000
B
4 beds2.5 baths2,497 sq ft
16 Old Field Ln, Mount Sinai, NY 11766
Listing by Howard Hanna Coach
SOLD DEC 19, 2025
$1,700,000
C
4 beds4 baths4,928 sq ft
14 Eagle Lndg, Mount Sinai, NY 11766
Listing by DeBarbieri Assoc Inc
SOLD NOV 18, 2025
$1,575,000
D
4 beds4.5 baths5,130 sq ft
3 Hillcrest, Mt Sinai, NY 11766
Listing by Daniel Gale Sothebys Intl Rlty
SOLD MAY 13, 2026
$1,376,000
E
4 beds2.5 baths3,038 sq ft
5 Frost Valley Rd, Mount Sinai, NY 11766
Listing by Signature Premier Properties
SOLD SEP 25, 2026
$755,000
F
4 beds2.5 baths2,450 sq ft
12 George Ct, Miller Place, NY 11764
Listing by Iconic Pros

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Sell

$735,660

Est. take-home

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Est. cash available

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Rent

$4,231/mo

Redfin rental estimate

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Market trends in 11766, NY

Last updated October 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-list price

101.6%

0.3% MoM

Median sale price

$810K

$10K MoM

Avg. days on market

34d

3 days MoM

Recently sold homes

2 MoM

New listings for sale

$499,999
2 beds2 baths1,272 sq ft
53 Rose Ln, Mount Sinai, NY 11766
Listing by Signature Premier Properties
3D WALKTHROUGH
$549,990
2 beds2 baths1,240 sq ft
74 Hearthside Dr, Mount Sinai, NY 11766
Listing by Howard Hanna Coach
$439,000
2 beds2 baths1,240 sq ft
9 Chippendale Dr, Mount Sinai, NY 11766
Listing by Signature Premier Properties
$1,350,000
3 beds2.5 baths1,970 sq ft
238 Shore Rd, Mount Sinai, NY 11766
Listing by Coldwell Banker American Homes
$599,000
2 beds2 baths1,820 sq ft
262 Pond Cir #262, Mount Sinai, NY 11766
Listing by Signature Premier Properties
3D WALKTHROUGH
$599,000
2 beds2 baths1,501 sq ft
41 Chippendale Dr, Mount Sinai, NY 11766
Listing by Manzoni Real Estate
$748,000
3 beds3.5 baths2,200 sq ft
137 Constantine Way, Mount Sinai, NY 11766
Listing by BH&G R E Realty Connect
$799,000
2 beds2 baths2,234 sq ft
93 Louden Loop, Mount Sinai, NY 11766
Listing by Douglas Elliman Real Estate
OPEN SAT, 1PM TO 3PM
$925,000
3 beds2.5 baths2,362 sq ft
8 Hyanis Ct, Mount Sinai, NY 11766
Listing by BH&G R E Realty Connect
See all

Provided by Redfin

Sale history for 34 Little Harbor Rd

Year

Property tax

Land + Additions

Assessment*

2026

$31,764

$900 + $6,275

$7,175

2025

$31,764 (+4.0%)

$900 + $6,275

$7,175

2024

$30,548 (+5.3%)

$900 + $6,275

$7,175

2023

$29,020 (+5.7%)

$900 + $6,275

$7,175

2022

$27,467

$900 + $6,275

$7,175

2021

$27,467 (+1.5%)

$900 + $6,275

$7,175

2020

$27,049 (+0.9%)

$900 + $6,275

$7,175

2019

$26,820 (+1.9%)

$900 + $6,275

$7,175

2018

$26,310 (+1.8%)

$900 + $6,275

$7,175

2017

$25,836 (+0.4%)

$900 + $6,275

$7,175

2016

$25,721 (+3.2%)

$900 + $6,275

$7,175

2015

$24,934 (+1.1%)

$900 + $6,275

$7,175

2014

$24,666 (+2.7%)

$900 + $6,275

$7,175

2013

$24,021 (+1.9%)

$900 + $6,275

$7,175

2012

$23,573 (+3.4%)

$900 + $6,275

$7,175

2011

$22,796 (+3.7%)

$900 + $6,275

$7,175

2010

$21,975 (+3.6%)

$900 + $6,275

$7,175

2009

$21,216

$900 + $6,275

$7,175

Tax history for 34 Little Harbor Rd

Year

Property tax

Land + Additions

Assessment*

2026

$31,764

$900 + $6,275

$7,175

2025

$31,764 (+4.0%)

$900 + $6,275

$7,175

2024

$30,548 (+5.3%)

$900 + $6,275

$7,175

2023

$29,020 (+5.7%)

$900 + $6,275

$7,175

2022

$27,467

$900 + $6,275

$7,175

2021

$27,467 (+1.5%)

$900 + $6,275

$7,175

2020

$27,049 (+0.9%)

$900 + $6,275

$7,175

2019

$26,820 (+1.9%)

$900 + $6,275

$7,175

2018

$26,310 (+1.8%)

$900 + $6,275

$7,175

2017

$25,836 (+0.4%)

$900 + $6,275

$7,175

2016

$25,721 (+3.2%)

$900 + $6,275

$7,175

2015

$24,934 (+1.1%)

$900 + $6,275

$7,175

2014

$24,666 (+2.7%)

$900 + $6,275

$7,175

2013

$24,021 (+1.9%)

$900 + $6,275

$7,175

2012

$23,573 (+3.4%)

$900 + $6,275

$7,175

2011

$22,796 (+3.7%)

$900 + $6,275

$7,175

2010

$21,975 (+3.6%)

$900 + $6,275

$7,175

2009

$21,216

$900 + $6,275

$7,175

*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: 2,114
Building Sq. Ft: 3,910
Legal Description: N KLEIN E BOTTO S LITTLE BAY W KLEIN

Lot Information
# of Buildings: 1
Land Sq. Ft: 87,120
Legal Lot Number: 2
Legal Block Number: 0003
Municipality Name: BROOKHAVEN
Acres: 2
State Use Description: SINGLE FAMILY RESID

Financial

Assessor Information
Assessment Year: 2025

Public facts

Beds: —
Baths: —
Sq. Ft.: 3,910
Stories: —
Lot Size: 2 acres
Style: Single Family Residential
Year Built: 2002
Year Renovated: —
County: Suffolk County
APN: 0200068000300002014

Home facts updated by county records on Aug 31, 2026

Around this home

Schools

K - 12
Preschool & daycare

Mount Sinai Elementary School

Public K-4 • Assigned • 0.9mi

6/10

Mount Sinai Middle School

Public 5-8 • Assigned • 0.9mi

6/10

Mount Sinai High School

Public 9-12 • Assigned • 0.8mi

10/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Historical weather

Mount Sinai, NY • 11766

Average low and high temperatures (°F)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sun exposure

In this area, properties receive around 8.8 hours in June and 4.5 hours in December, which is comparable to the U.S. average for solar exposure.

8.8 hrs

4.5 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$1.62M – $1.96M

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Home values near 34 Little Harbor Rd

Data from public records.

Address	Redfin Estimate
28 Little Harbor Road, Mount Sinai, NY - Beds \| - Baths \| 2644 Sq. Ft.	$1,063,851
25 Little Harbor Road, Mount Sinai, NY - Beds \| - Baths \| 3630 Sq. Ft.	$1,036,818
238 Shore Road, Mount Sinai, NY 3 Beds \| 2.5 Baths \| 1970 Sq. Ft.	—
253 Shore Road, Mount Sinai, NY - Beds \| - Baths \| 3170 Sq. Ft.	$810,592
10 Rocky Hill Road, Mount Sinai, NY 4 Beds \| 5.5 Baths \| 10801 Sq. Ft.	$1,594,085
16 Eagle Landing, Mount Sinai, NY - Beds \| - Baths \| 3549 Sq. Ft.	$1,336,214

Address	Redfin Estimate
29 Little Harbor Road, Mount Sinai, NY - Beds \| - Baths \| 2913 Sq. Ft.	$1,077,374
30 Little Harbor Road, Mount Sinai, NY - Beds \| - Baths \| 2920 Sq. Ft.	$1,085,817
15 Rocky Hill Road, Mount Sinai, NY - Beds \| - Baths \| 3772 Sq. Ft.	$1,121,304
14 Eagle Landing, Mount Sinai, NY 4 Beds \| 4 Baths \| 4928 Sq. Ft.	$1,714,520
8 Rocky Hill Road, Mount Sinai, NY - Beds \| - Baths \| 2358 Sq. Ft.	$1,108,265

Address	Redfin Estimate
27 Little Harbor Road, Mount Sinai, NY 3 Beds \| 2.5 Baths \| - Sq. Ft.	$928,958
12 Rocky Hill Road, Mount Sinai, NY 4 Beds \| 3.5 Baths \| 3000 Sq. Ft.	$918,793
14 Rocky Hill Road, Mount Sinai, NY 6 Beds \| 5.5 Baths \| 4000 Sq. Ft.	$1,319,618
233 Shore Road, Mount Sinai, NY - Beds \| - Baths \| 4269 Sq. Ft.	$1,205,750
239 Shore Road, Mount Sinai, NY 4 Beds \| 4.5 Baths \| 5000 Sq. Ft.	$1,381,122

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