OFF MARKET

Off market aug 2006 for $1.2M

$1,822,306

Est. refi paymentEst. refi $4,867/mo

•

—

sq ft

525 Mercer Rd, Princeton, NJ 08540

About this home

Totally renovated in past 3 years. Kitchen has Wolf cooktop & sub-zero. 3.5 new baths & 1 refurbished. 5 fireplaces. This house was Wm. Thompson's, former architect at Colonial Willimsburg, own house. All the details & nooks & crannies typical of his work include antique mantel in library, keeping room on lower level with huge fireplace, generous entertaining spaces and cozy private spaces featuring bay window and reading nook. Convenient to town and for commuting. Adjacent to Drumthwacket Gardener's cottage, renovated Dairy Barn and Battlefield. Storms and screens, as exist.

Single-familyProperty Type

1961Year Built

1 acresLot Size

2 car garageParking

Listed by Ruth Sayer • BHHS Fox & Roach Princeton RE

•609-921-2600 (broker)

Bought with Heidi A. Hartmann • Coldwell Banker Residential Brokerage - Princeton

•609-921-1411 (broker)

•danielle.spressert@cbrealty.com (broker)

Redfin checked: 3 minutes ago

•Source:BRIGHT MLS #NJME116462

Redfin Estimate

$1,822,306

$527K since sold in August 2006$41K since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 3.8% lower than the average sale price ($1.89M) of 6 comparable homes.

SOLD JUN 15, 2026
$1,825,000
A
4 beds3.5 baths3,183 sq ft
280 Edgerstoune Rd, Princeton, NJ 08540
SOLD APR 15, 2026
$1,755,000
B
4 beds3.5 baths3,464 sq ft
127 Westerly Rd, Princeton, NJ 08540
SOLD MAY 22, 2026
$2,250,000
C
4 beds3.5 baths2,979 sq ft
189 Constitution Dr, Princeton, NJ 08540
SOLD AUG 28, 2026
$1,950,000
D
4 beds3.5 baths4,981 sq ft
307 Edgerstoune Rd, Princeton, NJ 08540
SOLD APR 2, 2026
$1,830,000
E
4 beds3.5 baths3,321 sq ft
186 Lambert Dr, Princeton, NJ 08540
SOLD AUG 31, 2026
$1,750,000
F
4 beds2.5 baths3,333 sq ft
48 Glen Dr, Princeton, NJ 08540

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Sell

$1,234,621

Est. take-home

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Est. cash available

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Rent

$6,627/mo

Redfin rental estimate

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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

$1.1M

$88K MoM

Avg. days on market

43d

4 days MoM

Recently sold homes

165

9 MoM

New listings for sale

3D WALKTHROUGH
$1,395,000
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19 Pardoe Rd, Princeton, NJ 08540
(609) 921-1050
$469,000
2 beds2 baths1,210 sq ft
114 Cascade Ct #2, Princeton, NJ 08540
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OPEN TODAY, 1PM TO 3PM
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OPEN TODAY, 12PM TO 3PM
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5 beds4 baths3,343 sq ft
60 Battle Rd, Princeton, NJ 08540
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OPEN TODAY, 1PM TO 4PM
$419,000
2 beds2 baths1,210 sq ft
107 Lassen Ct #12, Princeton, NJ 08540
(609) 924-5353
$650,000
3 beds2 baths— sq ft
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See all

Provided by Redfin

Sale history for 525 Mercer Rd

Date

Event

Price

BRIGHT MLS #NJME116462

Aug 16, 2006

Sold

$1,295,000

Jun 16, 2006

Listing Removed

—

Jun 5, 2006

Listed

$1,295,000

BRIGHT MLS #NJME240558

Jun 6, 2006

Listing Removed

—

Jan 20, 2006

Listed

$1,375,000

BRIGHT MLS #NJME163892

Jun 12, 2003

Sold

$820,000

Jun 10, 2003

Listing Removed

—

Mar 17, 2003

Listed

$820,000

Close to Princeton Battlefield, this William Thompson Cape was his own home. Added on to over the years to create an elegant, classic floor plan with many possibilities. New kitchen, walk-out basement with in-law/ au-pair suite as well as bedroom and bath off the kitchen area. Exquisite grounds with brick-walled terraces, patios and walkways. * * * * No central air in kitchen, back bedroom or Morning Room.

Public Records

Dec 14, 1995

Sold

$550,000

Public Records

Jan 1, 1983

Sold

$305,000

Year

Property tax

Land + Additions

Assessment*

2025

$28,117 (+4.4%)

$350,000 + $678,800

$1,028,800

2024

$26,934 (+0.9%)

$350,000 + $678,800

$1,028,800

2023

$26,684 (+4.1%)

$350,000 + $661,400

$1,011,400

2022

$25,638 (−0.3%)

$400,000 + $654,200

$1,054,200

2021

$25,712 (+0.8%)

$400,000 + $654,200

$1,054,200

2020

$25,512 (+3.4%)

$400,000 + $654,200

$1,054,200

2019

$24,674 (+1.7%)

$400,000 + $654,200

$1,054,200

2018

$24,257 (+1.4%)

$400,000 + $640,200

$1,040,200

2017

$23,925 (+1.6%)

$400,000 + $640,200

$1,040,200

2016

$23,550 (+3.6%)

$400,000 + $640,200

$1,040,200

2014

$22,728 (+2.5%)

$400,000 + $640,200

$1,040,200

2013

$22,167 (−0.6%)

$400,000 + $640,200

$1,040,200

2012

$22,295 (+4.1%)

$400,000 + $640,200

$1,040,200

2011

$21,422 (+1.4%)

$450,000 + $640,200

$1,090,200

2010

$21,117 (+8.4%)

$450,000 + $640,200

$1,090,200

2009

$19,475

$450,000 + $640,200

$1,090,200

Tax history for 525 Mercer Rd

Year

Property tax

Land + Additions

Assessment*

2025

$28,117 (+4.4%)

$350,000 + $678,800

$1,028,800

2024

$26,934 (+0.9%)

$350,000 + $678,800

$1,028,800

2023

$26,684 (+4.1%)

$350,000 + $661,400

$1,011,400

2022

$25,638 (−0.3%)

$400,000 + $654,200

$1,054,200

2021

$25,712 (+0.8%)

$400,000 + $654,200

$1,054,200

2020

$25,512 (+3.4%)

$400,000 + $654,200

$1,054,200

2019

$24,674 (+1.7%)

$400,000 + $654,200

$1,054,200

2018

$24,257 (+1.4%)

$400,000 + $640,200

$1,040,200

2017

$23,925 (+1.6%)

$400,000 + $640,200

$1,040,200

2016

$23,550 (+3.6%)

$400,000 + $640,200

$1,040,200

2014

$22,728 (+2.5%)

$400,000 + $640,200

$1,040,200

2013

$22,167 (−0.6%)

$400,000 + $640,200

$1,040,200

2012

$22,295 (+4.1%)

$400,000 + $640,200

$1,040,200

2011

$21,422 (+1.4%)

$450,000 + $640,200

$1,090,200

2010

$21,117 (+8.4%)

$450,000 + $640,200

$1,090,200

2009

$19,475

$450,000 + $640,200

$1,090,200

*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

—

Lot depth

—

Lot size

1 Acre

Year renovated

—

Sq. Ft.

3,039

Year built

1961

Style

Single Family Residential

County

Mercer County

APN

1409901 00015

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Jul 14, 2026.

Property details

Parking

Parking Information
# of Attached Garage Spaces: 2
# of Total Garage and Parking Spaces: 2
Has Garage
# of Garage Spaces: 2
Driveway, Attached Garage

Interior

Bathroom Information
# of Bathrooms (Full) On 1st Upper Level: 1
# of Bathrooms (Half) On Main Level: 1
# of Bathrooms (Full) On Main Level: 2
# of Bathrooms (Full) On 1st Lower Level: 1
# of Bathrooms (Half): 1
# of Bathrooms (Full): 4

Interior Information
Appliances: Cooktop, Oven - Wall, Oven - Self Cleaning, Dishwasher, Refrigerator
Entry Location: Foyer
Flooring Type: Wood, Tile/Brick, Stone
Interior Features: Master Bath(s), 2nd Kitchen, Exposed Beams

Room Information
# of Rooms: 13
Living Room, Dining Room, Master Bedroom, Bedroom 2, Bedroom 3, Kitchen, Family Room, Bedroom 1, Attic
Laundry Type: Lower Floor

Fireplace Information
Brick

Basement Information
Basement: Yes
Partial, Outside Entrance, Fully Finished

Exterior

Property Information
Improvement Assessed Value: $376,800
Ownership Interest: Fee Simple
Property Condition: Good
Year Built Source: Estimated
Year Major Reno/Remodel: 2003

Building Information
Builder Name: WM. THOMPSON, HUNT & AUG
Construction Not Completed
Construction Materials: Wood Siding
Outdoor Living Structures: Porch(es), Balcony
Roof: Pitched, Shingle
Structure Type: Detached
Window Features: Bay/Bow

Lot Information
Lot Size Dimensions: 1
Tidal Water: No

Land Information
Land Assessed Value: $160,000

Financial

Tax Information
Tax Assessed Value: $536,800
Tax Year: 2005
Tax Annual Amount: $17,178

Utilities

Utilities Information
Central Air
Cooling Type: Central A/C
Gas, Baseboard
Heating Fuel: Natural Gas
Hot Water: Natural Gas
Sewer Septic: Public Sewer
Water Source: Well

Location

School Information
Middle Or Junior School: J WITHERSPOON
High School: PRINCETON
School District Name: PRINCETON REGIONAL SCHOOLS

Location Information
Cross Street: PARKSIDE
Directions: Mercer Road to just south of Battlefield between Parkside & Quaker
Municipality: PRINCETON

Public facts

Beds: —
Baths: —
Sq. Ft.: 3,039
Stories: 1.0
Lot Size: 1 acres
Style: Single Family Residential
Year Built: 1961
Year Renovated: —
County: Mercer County
APN: 1409901 00015

Home facts updated by county records on Jul 13, 2026

Around this home

Schools

Johnson Park School

Public PreK-5 • Assigned • 1.3mi

8/10

J Witherspoon Middle School

Public 6-8 • Assigned • 2.4mi

9/10

Princeton High School

Public 9-12 • Assigned • 2.2mi

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 4.4 hours in December, placing it below the U.S. average for solar exposure.

8.7 hrs

4.4 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$1.73M – $2.10M

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Home values near 525 Mercer Rd

Data from public records.

Address	Redfin Estimate
533 Mercer Road, Princeton, NJ 4 Beds \| 3.5 Baths \| 3538 Sq. Ft.	$1,550,508
528 Mercer Road, Princeton, NJ 3 Beds \| 2 Baths \| 1424 Sq. Ft.	$1,090,372

Address	Redfin Estimate
545 Mercer Road, Princeton, NJ 3 Beds \| 1.5 Baths \| 1148 Sq. Ft.	$752,251
536 Mercer Road, Princeton, NJ - Beds \| - Baths \| 2158 Sq. Ft.	$1,042,030

Address	Redfin Estimate
505 Mercer Road, Princeton, NJ - Beds \| - Baths \| 2929 Sq. Ft.	$2,065,249
552 Mercer Road, Princeton, NJ - Beds \| - Baths \| 2330 Sq. Ft.	$859,245

Property information provided by BRIGHT MLS when last listed in 2006. This data may not match . Learn more.

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