Google street view image for 347 Mercer St, Princeton, NJ 08540

Off market jan 1994 for $296K

$1,139,014

Est. refi paymentEst. refi $2,004/mo

—

•

— ba

•

3,072

sq ft

347 Mercer St, Princeton, NJ 08540

About this home

347 Mercer St is a 3,072 square foot multi-family home on a 1 acre lot. - it last sold on January 10, 1994 for $296,000. Based on Redfin's Princeton data, we estimate the home's value is $1,139,014.

Multi-familyProperty Type

1958Year Built

1 acresLot Size

$371Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$1,139,014

$843K since sold in January 1994$73K since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 29.3% higher than the average sale price ($881K) of 6 comparable homes.

SOLD JUL 16, 2026
$795,000
A
3 beds3 baths3,350 sq ft
102 Jamestown Rd, Belle Mead, NJ 08502
SOLD AUG 20, 2026
$990,000
B
5 beds2.5 baths2,470 sq ft
100 Knickerbocker Dr, Belle Mead, NJ 08502
SOLD JUL 27, 2026
$770,000
C
5 beds3 baths2,928 sq ft
22 Woodgate Dr, Monmouth JCT, NJ 08852
SOLD BY REDFIN AUG 18, 2026
$999,999
D
5 beds3.5 baths2,928 sq ft
12 Woodgate Dr, Monmouth Junction, NJ 08852
SOLD AUG 7, 2026
$865,000
E
7 beds3 baths4,006 sq ft
291 New Rd, Monmouth Junction, NJ 08852
SOLD AUG 6, 2026
$865,000
F
5 beds4 baths4,006 sq ft
291 New Rd

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Earn from this home

Sell

$1,071,550

Est. take-home

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Refinance

Est. cash available

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Market trends in 08540, NJ

Last updated September 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

101.9%

+0.4% MoM

Median sale price

$1.0M

$74K MoM

Avg. days on market

43d

4 days MoM

Recently sold homes

165

9 MoM

New listings for sale

COMING SOON
$1,868,000
7 beds4 baths3,343 sq ft
60 Battle Rd, Princeton, NJ 08540
(609) 924-1600
NEW 16 HRS AGO
$942,990
3 beds3.5 baths— sq ft
45 Bellan Dr, Monmouth Junction, NJ 08852
NEW 21 HRS AGO
$1,550,000
4 beds3.5 baths3,474 sq ft
153 Herrontown Ln, Princeton, NJ 08540
(609) 924-5353
OPEN SAT, 1:30PM TO 3:30PM
$519,000
2 beds1.5 baths1,120 sq ft
53 David Brearley Ct, Princeton, NJ 08540
(609) 924-1600
COMING SOON
$799,000
2 beds1 bath868 sq ft
19 Dorann Ave, Princeton, NJ 08540
(609) 259-0200
$889,990
3 beds3.5 baths— sq ft
57 Bellan Dr, Monmouth Junction, NJ 08852
COMING SOON
$849,000
3 beds2.5 baths2,683 sq ft
511 Sayre Dr, Princeton, NJ 08540
(609) 921-9202
$2,200,000
5 beds3 baths4,407 sq ft
58 Fairway Dr, Princeton, NJ 08540
(609) 710-2021
OPEN SUN, 1PM TO 4PM
$1,699,000
4 beds4.5 baths3,179 sq ft
87 Leavitt Ln, Princeton, NJ 08540
(609) 921-1900
$1,100,000
4 beds2 baths2,088 sq ft
1004 Mercer Rd, Princeton, NJ 08540
(609) 924-1600
See all

Provided by Redfin

Sale history for 347 Mercer St

Year

Property tax

Land + Additions

Assessment*

2025

$19,352 (+2.6%)

$337,500 + $370,600

$708,100

2024

$18,857 (+0.6%)

$337,500 + $370,600

$708,100

2023

$18,739 (+3.4%)

$337,500 + $370,600

$708,100

2022

$18,128 (−0.3%)

$400,000 + $345,400

$745,400

2021

$18,180 (+0.8%)

$400,000 + $345,400

$745,400

2020

$18,039 (+12.5%)

$400,000 + $345,400

$745,400

2019

$16,035 (+1.7%)

$400,000 + $345,400

$745,400

2018

$15,764 (+1.4%)

$400,000 + $276,000

$676,000

2017

$15,548 (+2.4%)

$400,000 + $276,000

$676,000

2016

$15,182 (+3.6%)

$400,000 + $276,000

$676,000

2014

$14,652 (+2.5%)

$400,000 + $270,600

$670,600

2013

$14,290 (−3.0%)

$400,000 + $270,600

$670,600

2012

$14,736 (+4.1%)

$400,000 + $270,600

$670,600

2011

$14,160 (+1.4%)

$450,000 + $270,600

$720,600

2010

$13,958 (+5.7%)

$450,000 + $270,600

$720,600

2009

$13,206

$450,000 + $270,600

$720,600

Tax history for 347 Mercer St

Year

Property tax

Land + Additions

Assessment*

2025

$19,352 (+2.6%)

$337,500 + $370,600

$708,100

2024

$18,857 (+0.6%)

$337,500 + $370,600

$708,100

2023

$18,739 (+3.4%)

$337,500 + $370,600

$708,100

2022

$18,128 (−0.3%)

$400,000 + $345,400

$745,400

2021

$18,180 (+0.8%)

$400,000 + $345,400

$745,400

2020

$18,039 (+12.5%)

$400,000 + $345,400

$745,400

2019

$16,035 (+1.7%)

$400,000 + $345,400

$745,400

2018

$15,764 (+1.4%)

$400,000 + $276,000

$676,000

2017

$15,548 (+2.4%)

$400,000 + $276,000

$676,000

2016

$15,182 (+3.6%)

$400,000 + $276,000

$676,000

2014

$14,652 (+2.5%)

$400,000 + $270,600

$670,600

2013

$14,290 (−3.0%)

$400,000 + $270,600

$670,600

2012

$14,736 (+4.1%)

$400,000 + $270,600

$670,600

2011

$14,160 (+1.4%)

$450,000 + $270,600

$720,600

2010

$13,958 (+5.7%)

$450,000 + $270,600

$720,600

2009

$13,206

$450,000 + $270,600

$720,600

*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
Building Style Type: Duplex
Exterior Wall: Stucco

Property Information
Living Sq. Ft: 3,072
# of Stories: 1.5

Parking & Garage Information
# of Parking Spaces: 2

Lot Information
# of Buildings: 1
Land Sq. Ft: 43,560
Legal Lot Number: 3
Legal Block Number: 10001
Municipality Name: PRINCETON
Acres: 1
Zoning Code: R3
State Use Description: RESIDENTIAL

Financial

Assessor Information
Assessment Year: 2026
Tax District County: PRINCETON

Public facts

Beds: —
Baths: —
Sq. Ft.: 3,072
Stories: 1.5
Lot Size: 1 acres
Style: Multi-Family (2-4 Unit)
Year Built: 1958
Year Renovated: —
County: Mercer County
APN: 1410001 00003

Home facts updated by county records on Jul 13, 2026

Around this home

Schools

Johnson Park School

Public PreK-5 • Assigned • 1.1mi

8/10

J Witherspoon Middle School

Public 6-8 • Assigned • 2.0mi

9/10

Princeton High School

Public 9-12 • Assigned • 1.8mi

8/10

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

6/10 Heat Factor

7 days above 102° expected this year, 15 days in 30 years

6/10 Wind Factor

27% chance of strong winds in next 30 years

4/10 Air Factor

6 unhealthy days expected this year, 7 days in 30 years

Provided by First Street

Historical weather

Princeton, NJ • 08540

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 8.7 hours in June and 4.3 hours in December, placing it below the U.S. average for solar exposure.

8.7 hrs

4.3 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$1.08M – $1.31M

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New listings for sale in 08540

COMING SOON3D WALKTHROUGH

$1,868,000

7 beds4 baths3,343 sq ft

60 Battle Rd, Princeton, NJ 08540

(609) 924-1600

NEW 16 HRS AGO

$942,990

3 beds3.5 baths— sq ft

45 Bellan Dr, Monmouth Junction, NJ 08852

NEW 21 HRS AGO3D WALKTHROUGH

$1,550,000

4 beds3.5 baths3,474 sq ft

153 Herrontown Ln, Princeton, NJ 08540

(609) 924-5353

OPEN SAT, 1:30PM TO 3:30PM3D WALKTHROUGH

$519,000

2 beds1.5 baths1,120 sq ft

53 David Brearley Ct, Princeton, NJ 08540

(609) 924-1600

COMING SOON

$799,000

2 beds1 bath868 sq ft

19 Dorann Ave, Princeton, NJ 08540

(609) 259-0200

$889,990

3 beds3.5 baths— sq ft

57 Bellan Dr, Monmouth Junction, NJ 08852

COMING SOON

$849,000

3 beds2.5 baths2,683 sq ft

511 Sayre Dr, Princeton, NJ 08540

(609) 921-9202

$2,200,000

5 beds3 baths4,407 sq ft

58 Fairway Dr, Princeton, NJ 08540

(609) 710-2021

OPEN SUN, 1PM TO 4PM3D WALKTHROUGH

$1,699,000

4 beds4.5 baths3,179 sq ft

87 Leavitt Ln, Princeton, NJ 08540

(609) 921-1900

Home values near 347 Mercer St

Data from public records.

Address	Redfin Estimate
381 Mercer Street, Princeton, NJ 4 Beds \| 2.5 Baths \| - Sq. Ft.	$1,560,397
395 Mercer Street, Princeton, NJ 5 Beds \| 3.5 Baths \| - Sq. Ft.	$1,749,533

Address	Redfin Estimate
369 Mercer Street, Princeton, NJ - Beds \| - Baths \| 3000 Sq. Ft.	$1,352,816
357 Mercer Street, Princeton, NJ - Beds \| - Baths \| 3051 Sq. Ft.	$1,464,952

Address	Redfin Estimate
401 Mercer Street, Princeton, NJ 4 Beds \| 3.5 Baths \| - Sq. Ft.	$1,849,097
295 Mercer Street, Princeton, NJ - Beds \| - Baths \| 4708 Sq. Ft.	$2,740,750

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