Google street view image for 3 Prospect St, Mendham, NJ 07945

Off market jan 1994 for $322K

$1,130,992

Est. refi paymentEst. refi $1,363/mo

—

•

— ba

•

2,892

sq ft

3 Prospect St, Mendham, NJ 07945

About this home

3 Prospect St is a 2,892 square foot house on a 0.64 acre lot. - it last sold on January 18, 1994 for $322,500. Based on Redfin's Mendham data, we estimate the home's value is $1,130,992.

Single-familyProperty Type

1935Year Built

0.64 acresLot Size

$391Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$1,130,992

$808K since sold in January 1994$1,000 since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 6.9% higher than the average sale price ($1.06M) of 6 comparable homes.

SOLD SEP 30, 2026
$1,249,900
A
4 beds3 baths— sq ft
6 Heather Hill Way, Mendham, NJ 07945-1231
SOLD AUG 28, 2026
7 Cosma Pl, Mendham, NJ 07945-1305
$1,175,000
B
4 beds2.5 baths— sq ft
7 Cosma Pl, Mendham, NJ 07945-1305
SOLD MAY 12, 2026
$1,342,500
C
4 beds4 baths— sq ft
3 New St, Mendham, NJ 07945-1207
SOLD JUN 26, 2026
$750,000
D
3 beds1.5 baths— sq ft
74 Dean Rd, Mendham, NJ 07945-1632
SOLD SEP 23, 2026
$610,000
E
3 beds1 bath— sq ft
48 Mountain Ave, Mendham, NJ 07945-1400
SOLD JUL 17, 2026
11 New St, Mendham, NJ 07945-1207
$1,220,000
F
4 beds2.5 baths— sq ft
11 New St, Mendham, NJ 07945-1207

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Earn from this home

Sell

$1,063,988

Est. take-home

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Refinance

Est. cash available

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Market trends in 07945, NJ

Last updated October 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-list price

103.7%

1.0% MoM

Median sale price

$1.2M

$85K MoM

Avg. days on market

14d

1 days MoM

Recently sold homes

4 MoM

New listings for sale

$1,795,000
4 beds4.5 baths— sq ft
1 Beach Ln, Mendham, NJ 07945-2944
$699,000
3 beds1.5 baths1,420 sq ft
79 W Main St W, Mendham, NJ 07945
See all

Provided by Redfin

Sale history for 3 Prospect St

Year

Property tax

Land + Additions

Assessment*

2026

$19,696 (+5.4%)

$327,000 + $412,900

$739,900

2025

$18,690 (+2.7%)

$327,000 + $412,900

$739,900

2024

$18,202 (+0.2%)

$327,000 + $412,900

$739,900

2023

$18,157 (+2.9%)

$327,000 + $412,900

$739,900

2022

$17,639 (+1.8%)

$327,000 + $412,900

$739,900

2021

$17,328 (+1.8%)

$327,000 + $412,900

$739,900

2020

$17,025 (+2.4%)

$327,000 + $412,900

$739,900

2019

$16,626 (+1.4%)

$327,000 + $412,900

$739,900

2018

$16,389 (+1.5%)

$327,000 + $412,900

$739,900

2017

$16,152 (+3.1%)

$327,000 + $412,900

$739,900

2016

$15,663 (+8.3%)

$327,000 + $412,900

$739,900

2014

$14,464 (+3.0%)

$327,000 + $390,500

$717,500

2013

$14,041 (+2.0%)

$327,000 + $390,500

$717,500

2012

$13,762 (+0.5%)

$327,000 + $390,500

$717,500

2011

$13,690 (+0.5%)

$327,000 + $390,500

$717,500

2010

$13,625 (−0.3%)

$327,000 + $390,500

$717,500

2009

$13,667

$327,000 + $390,500

$717,500

Tax history for 3 Prospect St

Year

Property tax

Land + Additions

Assessment*

2026

$19,696 (+5.4%)

$327,000 + $412,900

$739,900

2025

$18,690 (+2.7%)

$327,000 + $412,900

$739,900

2024

$18,202 (+0.2%)

$327,000 + $412,900

$739,900

2023

$18,157 (+2.9%)

$327,000 + $412,900

$739,900

2022

$17,639 (+1.8%)

$327,000 + $412,900

$739,900

2021

$17,328 (+1.8%)

$327,000 + $412,900

$739,900

2020

$17,025 (+2.4%)

$327,000 + $412,900

$739,900

2019

$16,626 (+1.4%)

$327,000 + $412,900

$739,900

2018

$16,389 (+1.5%)

$327,000 + $412,900

$739,900

2017

$16,152 (+3.1%)

$327,000 + $412,900

$739,900

2016

$15,663 (+8.3%)

$327,000 + $412,900

$739,900

2014

$14,464 (+3.0%)

$327,000 + $390,500

$717,500

2013

$14,041 (+2.0%)

$327,000 + $390,500

$717,500

2012

$13,762 (+0.5%)

$327,000 + $390,500

$717,500

2011

$13,690 (+0.5%)

$327,000 + $390,500

$717,500

2010

$13,625 (−0.3%)

$327,000 + $390,500

$717,500

2009

$13,667

$327,000 + $390,500

$717,500

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

Property details

Exterior

Exterior Information
Exterior Wall: Brick

Property Information
Living Sq. Ft: 2,892
# of Stories: 1.5

Parking & Garage Information
# of Parking Spaces: 2

Lot Information
# of Buildings: 1
Land Sq. Ft: 27,878
Legal Lot Number: 15
Legal Block Number: 1902
Municipality Name: MENDHAM BORO
Acres: 0.64
Depth Footage: 215
Front Footage: 129
Zoning Code: 1/4A
State Use Description: RESIDENTIAL

Financial

Assessor Information
Assessment Year: 2026
Tax District County: MENDHAM BOROUGH

Public facts

Beds: —
Baths: —
Sq. Ft.: 2,892
Stories: 1.5
Lot Size: 0.64 acres
Style: Single Family Residential
Year Built: 1935
Year Renovated: —
County: Morris County
APN: 1801902 00015

Home facts updated by county records on Oct 8, 2026

Around this home

Schools

K - 12
Preschool & daycare

Hilltop School

Public PreK-4 • Assigned • 0.1mi

7/10

Mountain View Middle School

Public 5-8 • Assigned • 0.5mi

9/10

West Morris Mendham High School

Public 9-12 • Assigned • 0.4mi

10/10

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

5/10 Heat Factor

7 days above 96° expected this year, 15 days in 30 years

6/10 Wind Factor

27% 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

Mendham, NJ • 07945

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

$1.08M – $1.30M

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Home values near 3 Prospect St

Data from public records.

Address	Redfin Estimate
12 Prospect Street, Mendham, NJ - Beds \| - Baths \| 1936 Sq. Ft.	$731,605
4 Prospect Street, Mendham, NJ 5 Beds \| 4 Baths \| - Sq. Ft.	$1,461,021
6 Prospect Street, Mendham, NJ 5 Beds \| 3 Baths \| - Sq. Ft.	$1,246,711
5 Prospect Street, Mendham, NJ 4 Beds \| 2.5 Baths \| - Sq. Ft.	$1,204,649
1 Prospect Street, Mendham, NJ 4 Beds \| 2.5 Baths \| - Sq. Ft.	$1,341,136
12 New Street, Mendham, NJ - Beds \| - Baths \| 960 Sq. Ft.	$620,126
17 Hilltop Road, Mendham, NJ 5 Beds \| 3.5 Baths \| - Sq. Ft.	$1,253,187

Address	Redfin Estimate
10 Prospect Street, Mendham, NJ 1 Beds \| 1 Baths \| - Sq. Ft.	$674,463
2 Prospect Street, Mendham, NJ 3 Beds \| 2.5 Baths \| - Sq. Ft.	$1,027,511
13 Prospect Street, Mendham, NJ - Beds \| - Baths \| 1304 Sq. Ft.	$771,072
11 Prospect Street, Mendham, NJ 5 Beds \| 6 Baths \| - Sq. Ft.	$1,480,821
19 Hilltop Road, Mendham, NJ - Beds \| - Baths \| 3170 Sq. Ft.	$1,191,781
14 New Street, Mendham, NJ 4 Beds \| 2 Baths \| - Sq. Ft.	$979,945
15 Hilltop Road, Mendham, NJ 4 Beds \| 2.5 Baths \| - Sq. Ft.	$1,271,855

Address	Redfin Estimate
14 Prospect Street, Mendham, NJ - Beds \| - Baths \| 4719 Sq. Ft.	$1,619,049
8 Prospect Street, Mendham, NJ 4 Beds \| 2.5 Baths \| - Sq. Ft.	$967,579
7 Prospect Street, Mendham, NJ - Beds \| - Baths \| 2336 Sq. Ft.	$841,989
9 Prospect Street, Mendham, NJ - Beds \| - Baths \| 3112 Sq. Ft.	$912,756
27 Hilltop Road, Mendham, NJ - Beds \| - Baths \| 1992 Sq. Ft.	$886,652
8 New Street, Mendham, NJ - Beds \| - Baths \| 2477 Sq. Ft.	$814,441
11 Hilltop Road, Mendham, NJ - Beds \| - Baths \| 2446 Sq. Ft.	$988,606

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