Google street view image for 21 Watermelon Rd, Mahopac, NY 10541

Sold

$895,658

Est. refi paymentEst. refi $1,876/mo

•

2 ba

•

3,003

sq ft

21 Watermelon Rd, Mahopac, NY 10541

About this home

Unusual Home. Beautiful Landscaped Patio Around 16 X 32 Ig Pool, Fenced Yard, Lots Of Stone Work, Some Of The New Features: Roof, Septic, 2 Baths, Hw Heater, Plumbing, Range, Freshly Painted, Most New Windows. Msta

Single-familyProperty Type

1946Year Built

3.9 acresLot Size

$298Est. Price/Sq.Ft.

3 spacesParking

Source:Public Records

Redfin Estimate

$895,658

$604K since sold in July 1999$1,000 since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 25.6% higher than the average sale price ($713K) of 6 comparable homes.

SOLD AUG 12, 2026
$675,000
A
3 beds2 baths2,002 sq ft
58 Englewood Ter, Mahopac, NY 10541
Listing by Houlihan Lawrence Inc.
SOLD MAY 26, 2026
$776,000
B
3 beds2 baths2,184 sq ft
15 Woodbine Dr, Mahopac, NY 10541
Listing by Corcoran Country Living
SOLD JUL 17, 2026
$650,000
C
3 beds2 baths1,892 sq ft
31 Colonel Enoch Dr, Carmel, NY 10512
Listing by Keller Williams Realty Partner
SOLD OCT 8, 2026
$657,500
D
3 beds2.5 baths2,144 sq ft
334 Lovell St, Mahopac, NY 10541
Listing by KW MidHudson
SOLD OCT 9, 2026
$609,900
E
3 beds2.5 baths2,000 sq ft
326 Lovell St, Mahopac, NY 10541
Listing by Keller Williams Realty Partner
SOLD JUN 5, 2026
$910,000
F
3 beds2.5 baths2,529 sq ft
131 Eleanor Dr, Mahopac, NY 10541
Listing by RE/MAX Classic Realty

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Earn from this home

Sell

$842,162

Est. take-home

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Refinance

Est. cash available

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Rent

$1,322/mo

Redfin rental estimate

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Market trends in 10541, NY

Last updated October 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-list price

102.2%

0.9% MoM

Median sale price

$675K

$6K MoM

Avg. days on market

40d

12 days MoM

Recently sold homes

15 MoM

New listings for sale

NEW 4 HRS AGO
$850,000
4 beds2.5 baths2,366 sq ft
26 Mandy Ln, Mahopac, NY 10541
Listing by Real Broker NY LLC
$620,000
4 beds2 baths1,780 sq ft
23 Colton Rd, Mahopac, NY 10541
Listing by Alliance Realty
$425,000
2 beds2 baths825 sq ft
66 Orchard Rd, Mahopac, NY 10541
Listing by Coldwell Banker Realty
$525,000
3 beds1.5 baths2,176 sq ft
86 Overhill Rd, Mahopac, NY 10541
Listing by Coldwell Banker Realty
$715,000
3 beds2 baths2,015 sq ft
122 Agor Ln, Mahopac, NY 10541
Listing by William Raveis Real Estate
$579,000
3 beds2 baths1,660 sq ft
129 Route 6N, Mahopac, NY 10541
Listing by William Raveis-New York, LLC
See all

Provided by Redfin

Sale history for 21 Watermelon Rd

Year

Property tax

Land + Additions

Assessment*

2026

$22,734

$125,300 + $765,900

$891,200

2025

$22,734 (+0.3%)

$125,300 + $765,900

$891,200

2024

$22,657 (+2.1%)

$125,300 + $707,600

$832,900

2023

$22,198 (+3.4%)

$113,900 + $679,300

$793,200

2022

$21,471 (+64.5%)

$113,900 + $600,700

$714,600

2021

$13,055 (+11.9%)

$113,900 + $289,900

$403,800

2020

$11,668 (+3.7%)

$113,900 + $278,100

$392,000

2019

$11,250 (+3.3%)

$113,900 + $255,900

$369,800

2018

$10,895 (+4.1%)

$113,900 + $255,900

$369,800

2017

$10,465 (−9.3%)

$113,900 + $248,600

$362,500

2016

$11,534 (+1.2%)

$113,900 + $234,700

$348,600

2015

$11,396 (−7.1%)

$92,700 + $127,300

$220,000

2014

$12,268 (+11.3%)

$92,700 + $127,300

$220,000

2013

$11,022 (+6.0%)

$92,700 + $127,300

$220,000

2012

$10,401 (−5.2%)

$92,700 + $127,300

$220,000

2011

$10,971 (+310.1%)

$92,700 + $127,300

$220,000

2010

$2,675 (+5.8%)

$92,700 + $127,300

$220,000

2009

$2,528

$92,700 + $127,300

$220,000

Tax history for 21 Watermelon Rd

Year

Property tax

Land + Additions

Assessment*

2026

$22,734

$125,300 + $765,900

$891,200

2025

$22,734 (+0.3%)

$125,300 + $765,900

$891,200

2024

$22,657 (+2.1%)

$125,300 + $707,600

$832,900

2023

$22,198 (+3.4%)

$113,900 + $679,300

$793,200

2022

$21,471 (+64.5%)

$113,900 + $600,700

$714,600

2021

$13,055 (+11.9%)

$113,900 + $289,900

$403,800

2020

$11,668 (+3.7%)

$113,900 + $278,100

$392,000

2019

$11,250 (+3.3%)

$113,900 + $255,900

$369,800

2018

$10,895 (+4.1%)

$113,900 + $255,900

$369,800

2017

$10,465 (−9.3%)

$113,900 + $248,600

$362,500

2016

$11,534 (+1.2%)

$113,900 + $234,700

$348,600

2015

$11,396 (−7.1%)

$92,700 + $127,300

$220,000

2014

$12,268 (+11.3%)

$92,700 + $127,300

$220,000

2013

$11,022 (+6.0%)

$92,700 + $127,300

$220,000

2012

$10,401 (−5.2%)

$92,700 + $127,300

$220,000

2011

$10,971 (+310.1%)

$92,700 + $127,300

$220,000

2010

$2,675 (+5.8%)

$92,700 + $127,300

$220,000

2009

$2,528

$92,700 + $127,300

$220,000

*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

Stories

Lot width

168 ft.

Lot depth

—

Lot size

3.9 Acres

Year renovated

1997

Sq. Ft.

3,003

Year built

1946

Style

Single Family Residential

County

Putnam County

APN

372000A07601900010080000000

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Sep 14, 2026.

Property details

Around this home

Schools

K - 12
Preschool & daycare

Fulmar Road Elementary School

Public K-5 • Assigned • 1.6mi

7/10

Mahopac High School

Public 7-12 • Assigned • 2.4mi

7/10

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

4/10 Heat Factor

7 days above 98° expected this year, 15 days in 30 years

4/10 Wind Factor

19% 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

Mahopac, NY • 10541

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 8.6 hours in June and 4.1 hours in December, placing it below the U.S. average for solar exposure.

8.6 hrs

4.1 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$851,000 – $1.03M

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Land— sq ft

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New listings for sale in 10541

NEW 4 HRS AGO

$850,000

4 beds2.5 baths2,366 sq ft

26 Mandy Ln, Mahopac, NY 10541

Hardwood floors • Granite tile • Center island

Listing by Real Broker NY LLC

$620,000

4 beds2 baths1,780 sq ft

23 Colton Rd, Mahopac, NY 10541

Formal dining room • Eat-in kitchen • 0.43 acre lot

Listing by Alliance Realty

$425,000

2 beds2 baths825 sq ft

66 Orchard Rd, Mahopac, NY 10541

Corner lot • Lake secor community • Updated kitchen

Listing by Coldwell Banker Realty

$525,000

3 beds1.5 baths2,176 sq ft

86 Overhill Rd, Mahopac, NY 10541

Cul-de-sac • Wooded backdrop • Hardwood floors

Listing by Coldwell Banker Realty

$715,000

3 beds2 baths2,015 sq ft

122 Agor Ln, Mahopac, NY 10541

Stone fireplace • Corian countertops • Deck access

Listing by William Raveis Real Estate

$579,000

3 beds2 baths1,660 sq ft

129 Route 6N, Mahopac, NY 10541

Raised ranch • Hardwood floors • Eat-in kitchen

Listing by William Raveis-New York, LLC

Home values near 21 Watermelon Rd

Data from public records.

Address	Redfin Estimate
35 Watermelon Hill Road, Mahopac, NY 3 Beds \| 3 Baths \| 3032 Sq. Ft.	$1,009,857
20 Watermelon Hill Road, Mahopac, NY 3 Beds \| 2.5 Baths \| 2128 Sq. Ft.	$676,919
13 Watermelon Hill Road, Mahopac, NY 3 Beds \| 2.5 Baths \| 2163 Sq. Ft.	$665,902
51 Watermelon Hill Road, Mahopac, NY 4 Beds \| 2.5 Baths \| 2582 Sq. Ft.	$870,375
19 Fox Hill Road, Mahopac, NY 3 Beds \| 2 Baths \| 1848 Sq. Ft.	$601,259
18 Fox Hill Road, Mahopac, NY 3 Beds \| 2 Baths \| 2638 Sq. Ft.	$676,898
10 Fenwood Road, Mahopac, NY 3 Beds \| 2.5 Baths \| 2324 Sq. Ft.	$636,241

Address	Redfin Estimate
29 Watermelon Hill Road, Mahopac, NY 3 Beds \| 2 Baths \| 1872 Sq. Ft.	$634,991
28 Watermelon Hill Road, Mahopac, NY 4 Beds \| 2.5 Baths \| 1974 Sq. Ft.	$622,441
3 Watermelon Hill Road, Mahopac, NY 3 Beds \| 2.5 Baths \| 1964 Sq. Ft.	$643,358
0 Watermelon Hill Road, Mahopac, NY 3 Beds \| 2 Baths \| 1600 Sq. Ft.	$719,337
9 Fox Hill Road, Mahopac, NY 3 Beds \| 2 Baths \| 2312 Sq. Ft.	$594,806
478 Union Valley Road, Mahopac, NY 3 Beds \| 2 Baths \| 1008 Sq. Ft.	$487,956
5 Fenwood Road, Mahopac, NY 4 Beds \| 2.5 Baths \| 2322 Sq. Ft.	$742,356

Address	Redfin Estimate
2 Watermelon Hill Road, Mahopac, NY 4 Beds \| 2.5 Baths \| 2286 Sq. Ft.	$677,451
32 Watermelon Hill Road, Mahopac, NY 4 Beds \| 2.5 Baths \| 2864 Sq. Ft.	$766,393
44 Watermelon Hill Road, Mahopac, NY 3 Beds \| 3.5 Baths \| 2650 Sq. Ft.	$672,649
17 Fox Hill Road, Mahopac, NY 3 Beds \| 2 Baths \| 1237 Sq. Ft.	$498,042
18 Fenwood Road, Mahopac, NY 4 Beds \| 2.5 Baths \| 2092 Sq. Ft.	$679,134
472 Union Valley Road, Mahopac, NY 3 Beds \| 3 Baths \| 2784 Sq. Ft.	—
459 Union Valley Road, Mahopac, NY 5 Beds \| 3 Baths \| 2380 Sq. Ft.	$667,919

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21 Watermelon Rd, Mahopac, NY 10541

About this home

Redfin Estimate

Earn from this home

Market trends in 10541, NY

Sale history for 21 Watermelon Rd

Tax history for 21 Watermelon Rd

Public record

Property details

Public facts

Around this home

Schools

Lifestyle

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 10541

Home values near 21 Watermelon Rd

More real estate resources

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