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

Off market jan 1994 for $296K

$1,143,253

Est. refi paymentEst. refi $1,984/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 $1,143,253.

Multi-familyProperty Type

1958Year Built

1 acresLot Size

$372Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$1,143,253

$847K since sold in January 1994$9,000 since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 29.8% 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

Claim this home to receive a free report every month with insights on the changing estimate.

Earn from this home

Sell

$1,075,546

Est. take-home

List your home with Redfin and save $11,433

Refinance

Est. cash available

Get cash now or lower your monthly rate

Market trends in 08540, NJ

Last updated September 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

101.6%

0.4% MoM

Median sale price

$995K

$55K MoM

Avg. days on market

54d

11 days MoM

Recently sold homes

136

29 MoM

New listings for sale

NEW 3 HRS AGO
$569,000
2 beds2.5 baths— sq ft
44C Watertown Ct, Princeton, NJ 08540-1773
$399,900
2 beds1 bath— sq ft
119 Commonwealth Ct #9, Princeton, NJ 08540
(732) 446-4959
VIDEO TOUR
$5,799,000
6 beds9 baths12,517 sq ft
Princeton, NJ 08540
(609) 436-5221
3D WALKTHROUGH
$1,395,000
4 beds3 baths3,975 sq ft
24 Buckingham Dr, Princeton, NJ 08540
(609) 921-1050
$1,425,000
3 beds2.5 baths1,976 sq ft
370 Franklin Ave, Princeton, NJ 08540
(609) 921-1050
$1,950,000
5 beds4.5 baths3,453 sq ft
19 Pardoe Rd, Princeton, NJ 08540
(609) 921-1050
$469,000
2 beds2 baths1,210 sq ft
114 Cascade Ct #2, Princeton, NJ 08540
(267) 765-2080
$1,549,900
4 beds4.5 baths5,830 sq ft
16 Benedek Rd, Princeton, NJ 08540
(609) 921-1411
$388,000
2 beds1 bath1,008 sq ft
304 Trinity Ct #9, Princeton, NJ 08540
(609) 924-1600
$899,000
5 beds2.5 baths2,415 sq ft
228 State Rd, Princeton, NJ 08540
(609) 987-8889
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

$1.09M – $1.32M

Reach more buyers when you sell with Redfin. Save up to $11,433 in fees. 3 minutes to get started.

Need the cash from your home fast? Sell to .

Nearby similar homes

$3,300,000

— beds— baths— sq ft

39-49 Tucker St, Trenton, NJ

HomeSmart First Advantage Realty, (973) 354-5000

$599,999

8 beds— baths2,448 sq ft

976-978--978 E State St, Trenton, NJ 08609

(215) 909-7355

LISTED BY REDFIN3D WALKTHROUGH

$535,000

6 beds2.5 baths2,643 sq ft

16 Volusia Ave, Hamilton, NJ 08610

$249,900

3 beds— baths2,078 sq ft

823 Carteret Ave, Trenton, NJ 08618

(908) 591-4119

$425,000

5 beds2 baths— sq ft

943 Carteret Ave, Trenton, NJ 08618-5311

$449,000

4 beds— baths2,321 sq ft

169 Pennington Ave, Trenton, NJ 08618

(732) 514-1000

New listings for sale in 08540-1773

NEW 3 HRS AGO

$569,000

2 beds2.5 baths— sq ft

44C Watertown Ct, Princeton, NJ 08540-1773

$399,900

2 beds1 bath— sq ft

119 Commonwealth Ct #9, Princeton, NJ 08540

(732) 446-4959

VIDEO TOUR

$5,799,000

6 beds9 baths12,517 sq ft

Princeton, NJ 08540

(609) 436-5221

3D WALKTHROUGH

$1,395,000

4 beds3 baths3,975 sq ft

24 Buckingham Dr, Princeton, NJ 08540

(609) 921-1050

$1,425,000

3 beds2.5 baths1,976 sq ft

370 Franklin Ave, Princeton, NJ 08540

(609) 921-1050

$1,950,000

5 beds4.5 baths3,453 sq ft

19 Pardoe Rd, Princeton, NJ 08540

(609) 921-1050

$469,000

2 beds2 baths1,210 sq ft

114 Cascade Ct #2, Princeton, NJ 08540

(267) 765-2080

$1,549,900

4 beds4.5 baths5,830 sq ft

16 Benedek Rd, Princeton, NJ 08540

(609) 921-1411

$388,000

2 beds1 bath1,008 sq ft

304 Trinity Ct #9, Princeton, NJ 08540

(609) 924-1600

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.	$1,544,361
395 Mercer Street, Princeton, NJ 5 Beds \| 3.5 Baths \| - Sq. Ft.	$1,756,136

Address	Redfin Estimate
369 Mercer Street, Princeton, NJ - Beds \| - Baths \| 3000 Sq. Ft.	$1,350,505
357 Mercer Street, Princeton, NJ - Beds \| - Baths \| 3051 Sq. Ft.	$1,434,063

Address	Redfin Estimate
401 Mercer Street, Princeton, NJ 4 Beds \| 3.5 Baths \| - Sq. Ft.	$1,847,618
295 Mercer Street, Princeton, NJ - Beds \| - Baths \| 4708 Sq. Ft.	$2,764,657

More real estate resources

Neighborhoods
Cities
Zip Codes
Minor Civil Divisions
Popular Searches

Colonnade Pointe homes for sale
Downtown Princeton homes for sale
Princeton North homes for sale
Canal Pointe Condominiums homes for sale

Download the Redfin App on the Apple App Store

Download the Redfin App from the Google Play Store

Join us

Become an Agent

Get referrals

Careers

Find homes faster

About us

Find us

Subsidiaries

Affiliated Business

Countries

United States

Canada

Updated September 2025: By searching, you agree to the Terms of Use, and Privacy Policy.

Do not sell or share my personal information.

REDFIN and all REDFIN variants, WALK SCORE, and the R logos, are trademarks of Redfin Corporation, registered or pending in the USPTO.

California DRE #01521930

Redfin is licensed to do business in New York as Redfin Real Estate. NY Standard Operating Procedures

New Mexico Real Estate Licenses

TREC: Info About Brokerage Services, Consumer Protection Notice

All mortgage lending products and information are provided by Rocket Mortgage, LLC | NMLS #3030; www.NMLSConsumerAccess.org. Licensed in 50 states. This site is not authorized by the New York State Department of Financial Services for mortgage solicitation or loan applications activities related to properties located in the State of New York.

Redfin Corporation is an affiliated business of Rocket Limited Partnership. Each company, and their subsidiaries, are separate legal entities operated and managed through its own management and governance structures.

If you are using a screen reader, or having trouble reading this website, please call Redfin Customer Support for help at 1-844-759-7732.

REDFIN IS COMMITTED TO AND ABIDES BY THE FAIR HOUSING ACT AND EQUAL OPPORTUNITY ACT. READ REDFIN'S FAIR HOUSING POLICY AND THE NEW YORK STATE FAIR HOUSING NOTICE.

GreatSchools Ratings provided by GreatSchools.org.

08536 homes for sale
08540 homes for sale
08550 homes for sale
08648 homes for sale
08558 homes for sale

Moorestown Township homes for sale
Mount Laurel Township homes for sale
Piscataway Township homes for sale
Hamilton Township homes for sale
Millburn Township homes for sale

Houses for rent in Princeton	Agents near me	Ridgewood, NJ homes for sale	Princeton Housing Market
Houses for sale near me	Jersey City, NJ homes for sale	Summit, NJ homes for sale
Land for sale near me	Montclair, NJ homes for sale	Fort Lee, NJ homes for sale
Open Houses near me	Hoboken, NJ homes for sale	Princeton Property Records
Condos for sale near me	Princeton, NJ homes for sale	NJ New Listings

Edison homes for sale
Bridgewater homes for sale
New Hope homes for sale