OFF MARKET

Off Market Nov 2019 for $865K

$1,474,994

Est. refi paymentEst. refi $5,548/mo

•

1.5 ba

•

3,025

sq ft

21 Hildreth Rd S, Hampton Bays, NY 11946

About this home

21 Hildreth Rd S is a 3,025 square foot house on a 1.04 acre lot with 4 bedrooms and 1.5 bathrooms. - it last sold on November 08, 2019 for $865,000. Based on Redfin's Hampton Bays data, we estimate the home's value is $1,474,994.

Single-familyProperty Type

2005Year Built

1.04 acresLot Size

$488Est. Price/Sq.Ft.

Source:Public Records

Listed by Anne Marie Francavilla • Douglas Elliman Real Estate

•616-509-1609 (agent)

Redfin checked: 2 minutes ago

•Source:OneKey® MLS as Distributed by MLS Grid #3309425

Redfin Estimate

$1,474,994

$610K since sold in November 2019$11K since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 19.1% higher than the average sale price ($1.24M) of 4 comparable homes.

SOLD DEC 18, 2025
$1,450,000
A
4 beds2 baths2,199 sq ft
9 Debbie Trl, Hampton Bays, NY 11946
Listing by Compass Greater NY LLC
SOLD JAN 15, 2026
$1,395,000
B
4 beds3 baths2,833 sq ft
23 Red Creek Cir, Hampton Bays, NY 11946
Listing by Signature Premier Properties
SOLD JUL 28, 2026
$999,999
C
5 beds2.5 baths2,260 sq ft
3 Emily Ct, Hampton Bays, NY 11946
Listing by William Raveis New York LLC
SOLD APR 22, 2026
$1,110,000
D
4 beds3.5 baths2,500 sq ft
6 Bayview Ter, Hampton Bays, NY 11946
Listing by Nostra Haus Real Estate LLC

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Sell

$790,245

Est. take-home

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Est. cash available

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Rent

$6,194/mo

Redfin rental estimate

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Market trends in 11946, NY

Last updated August 2026

Buyer's Market

Seller's Market

Buyer's market

Sale-to-List Price

97.8%

+0.8% MoM

Median sale price

$1.1M

$5K MoM

Avg. days on market

62d

20 days MoM

Recently sold homes

7 MoM

New listings for sale

OPEN FRI, 11:30AM TO 1PM
$2,300,000
3 beds3.5 baths2,800 sq ft
11 Shinnecock Rd, Hampton Bays, NY 11946
Listing by Corcoran
COMING SOON
$1,299,000
4 beds2 baths2,100 sq ft
17 Columbine S, Hampton Bays, NY 11946
Listing by Hamptons Realty Associates LLC
NEW 22 HRS AGO
$2,595,000
5 beds6 baths5,120 sq ft
33A Newtown Rd, Hampton Bays, NY 11946
Listing by Serhant East End LLC
NEW 29 HRS AGO
$2,200,000
11 beds6 baths3,300 sq ft
8 Boathouse Rd, Hampton Bays, NY 11946
Listing by Corcoran
$249,000
1 bed1 bath350 sq ft
90 Springville Rd Unit 10, Hampton Bays, NY 11946
Listing by South Fork Realty
3D WALKTHROUGH
$1,199,000
4 beds2.5 baths2,143 sq ft
4 Wooded Ln, Hampton Bays, NY 11946
Listing by Nostra Haus Real Estate LLC
$1,300,000
3 beds3 baths— sq ft
14 Kathy St, Hampton Bays, NY 11946
Listing by Island Advantage Realty LLC
$1,290,000
4 beds2.5 baths1,953 sq ft
10 W Landing Rd, Hampton Bays, NY 11946
Listing by William Raveis New York LLC
$550,000
2 beds1 bath518 sq ft
10 Mineola Ct, Hampton Bays, NY 11946
Listing by Douglas Elliman Real Estate
OPEN SAT, 11:30AM TO 1PM
$1,650,000
3 beds3 baths3,210 sq ft
78 Channing Cross, Hampton Bays, NY 11946
Listing by Compass Greater NY LLC
See all

Provided by Redfin

Sale history for 21 Hildreth Rd S

Year

Property tax

Land + Additions

Assessment*

2024

$13,133

$231,000 + $460,600

$691,600

2023

$13,133 (+25.7%)

$231,000 + $460,600

$691,600

2022

$10,444

$355,400 + $460,600

$816,000

2021

$10,444 (−1.1%)

$231,000 + $450,400

$681,400

2020

$10,565 (+7.2%)

$231,000 + $450,400

$681,400

2019

$9,858 (+15.0%)

$231,000 + $450,400

$681,400

2018

$8,569 (−13.4%)

$213,300 + $345,800

$559,100

2017

$9,900 (−1.6%)

$284,300 + $345,800

$630,100

2016

$10,062 (−1.3%)

$284,300 + $345,800

$630,100

2015

$10,191 (−6.7%)

$284,300 + $345,900

$630,200

2014

$10,925 (+5.7%)

$315,900 + $345,900

$661,800

2013

$10,336 (+2.3%)

$315,900 + $353,100

$669,000

2012

$10,101 (−2.1%)

$315,900 + $353,100

$669,000

2011

$10,320 (+5.9%)

$335,700 + $373,000

$708,700

2010

$9,743 (+49.8%)

$394,900 + $391,400

$786,300

2009

$6,505

$394,900 + $204,900

$599,800

Tax history for 21 Hildreth Rd S

Year

Property tax

Land + Additions

Assessment*

2024

$13,133

$231,000 + $460,600

$691,600

2023

$13,133 (+25.7%)

$231,000 + $460,600

$691,600

2022

$10,444

$355,400 + $460,600

$816,000

2021

$10,444 (−1.1%)

$231,000 + $450,400

$681,400

2020

$10,565 (+7.2%)

$231,000 + $450,400

$681,400

2019

$9,858 (+15.0%)

$231,000 + $450,400

$681,400

2018

$8,569 (−13.4%)

$213,300 + $345,800

$559,100

2017

$9,900 (−1.6%)

$284,300 + $345,800

$630,100

2016

$10,062 (−1.3%)

$284,300 + $345,800

$630,100

2015

$10,191 (−6.7%)

$284,300 + $345,900

$630,200

2014

$10,925 (+5.7%)

$315,900 + $345,900

$661,800

2013

$10,336 (+2.3%)

$315,900 + $353,100

$669,000

2012

$10,101 (−2.1%)

$315,900 + $353,100

$669,000

2011

$10,320 (+5.9%)

$335,700 + $373,000

$708,700

2010

$9,743 (+49.8%)

$394,900 + $391,400

$786,300

2009

$6,505

$394,900 + $204,900

$599,800

*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.

Property details

Interior

Basement Information
Basement Type: Full

Bathroom Information
# of Full Baths: 1
# of 1/2 Baths: 1

Heating & Cooling
Heating Fuel Type: Electric
Heating Type: Hot Air

Fireplace Information
# of Fireplaces: 1
Has Fireplace

Exterior

Exterior Information
Physical Condition: Good
Building Style Type: Contemporary
Building Construction Quality: Good
Exterior Wall: Wood
Building Type: Single Family

Pool Information
Pool Type: Gunite
Has Pool

Property Information
Subdivision Name: RED CRK RDG
Living Sq. Ft: 3,025
Ground Floor Sq. Ft: 1,616
Building Sq. Ft: 3,025
# of Stories: 1
Legal Description: '89 LD ADJ +1995SALE INCL26 PCLC

Parking & Garage Information
# of Parking Spaces: 1
Parking Type: Garage/Adequate Capacity

Lot Information
# of Buildings: 1
Land Sq. Ft: 45,302
Legal Lot Number: 67
Legal Block Number: 3
School Tax District: RIVERHEAD
Municipality Name: SOUTHAMPTON
Acres: 1.04
Zoning Code: CR120
State Use Description: SINGLE FAMILY RESID

Utility Information
Sewer Type: Private
Water Service Type: Private
Utility Type: Electric

Financial

Assessor Information
Assessment Year: 2025

Public facts

Beds: 4
Baths: 1.5
Sq. Ft.: 3,025
Stories: 1.0
Lot Size: 1.04 acres
Style: Single Family Residential
Year Built: 2005
Year Renovated: —
County: Suffolk County
APN: 0900151000300067000

Home facts updated by county records on Aug 31, 2026

Around this home

Schools

Phillips Avenue School

Public PreK-4 • Assigned • 5.3mi

2/10

Riverhead Middle School

Public 6-8 • Assigned • 6.6mi

3/10

Riverhead Senior High School

Public 9-12 • Assigned • 6.7mi

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

3/10 Fire Factor

0.15% chance of being in a wildfire in next 30 years

4/10 Heat Factor

7 days above 90° expected this year, 20 days in 30 years

8/10 Wind Factor

80% chance of strong winds in next 30 years

3/10 Air Factor

2 unhealthy days expected this year, 3 days in 30 years

Provided by First Street

Historical weather

Hampton Bays, NY • 11946

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 9 hours in June and 4.6 hours in December, which is comparable to the U.S. average for solar exposure.

9 hrs

4.6 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$1.40M – $1.70M

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New listings for sale in 11946

OPEN FRI, 11:30AM TO 1PM

$2,300,000

3 beds3.5 baths2,800 sq ft

11 Shinnecock Rd, Hampton Bays, NY 11946

Listing by Corcoran

COMING SOON

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4 beds2 baths2,100 sq ft

17 Columbine S, Hampton Bays, NY 11946

Listing by Hamptons Realty Associates LLC

NEW 22 HRS AGO

$2,595,000

5 beds6 baths5,120 sq ft

33A Newtown Rd, Hampton Bays, NY 11946

Listing by Serhant East End LLC

NEW 29 HRS AGO

$2,200,000

11 beds6 baths3,300 sq ft

8 Boathouse Rd, Hampton Bays, NY 11946

Listing by Corcoran

$249,000

1 bed1 bath350 sq ft

90 Springville Rd Unit 10, Hampton Bays, NY 11946

Listing by South Fork Realty

3D WALKTHROUGH

$1,199,000

4 beds2.5 baths2,143 sq ft

4 Wooded Ln, Hampton Bays, NY 11946

Listing by Nostra Haus Real Estate LLC

$1,300,000

3 beds3 baths— sq ft

14 Kathy St, Hampton Bays, NY 11946

Listing by Island Advantage Realty LLC

$1,290,000

4 beds2.5 baths1,953 sq ft

10 W Landing Rd, Hampton Bays, NY 11946

Listing by William Raveis New York LLC

$550,000

2 beds1 bath518 sq ft

10 Mineola Ct, Hampton Bays, NY 11946

Listing by Douglas Elliman Real Estate

Home values near 21 Hildreth Rd S

Data from public records.

Address	Redfin Estimate
1 Hildreth Rd E, Hampton Bays, NY 3 Beds \| 3.5 Baths \| 2380 Sq. Ft.	$1,162,001
6 Hildreth Rd, Hampton Bays, NY 4 Beds \| 4.5 Baths \| 2504 Sq. Ft.	$1,390,104

Address	Redfin Estimate
3 Hildreth Rd E, Hampton Bays, NY 4 Beds \| - Baths \| 4281 Sq. Ft.	$1,816,085
17 Hildreth Rd S, Hampton Bays, NY 3 Beds \| 2 Baths \| 3014 Sq. Ft.	$1,338,760

Address	Redfin Estimate
20 Hildreth Rd S, Hampton Bays, NY 3 Beds \| 2.5 Baths \| 2418 Sq. Ft.	$1,322,142
22 Hildreth Rd S, Hampton Bays, NY 4 Beds \| 2 Baths \| 3002 Sq. Ft.	$1,245,209

Property information provided by OneKey® MLS as Distributed by MLS Grid when last listed in 2023. This data may not match . Learn more.

Listing provided courtesy of: Douglas Elliman Real Estate

Listing agent: Anne Marie Francavilla (6165091609)

Based on information submitted to the MLS GRID as of Tue Sep 01 2026. All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information.

Last Updated: 2023-12-05T10:06:35.727Z

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