CCertihomes
21 Courtside Lane, South Brunswick, NJ 08540

$1,249,000

4 beds 3 baths 3,345 sqft Built 20020 days on marketActive

About this home

Signature Brick Front Colonial located in the executive community of Princeton Courtside Estates in South Brunswick, offering a Princeton mailing address and access to top-rated South Brunswick schools. Set on a quiet cul-de-sac, this 4-bedroom, 2.1-bath residence offers approximately 3, 345 square feet of well-designed living space with both everyday comfort and formal entertaining in mind. A dramatic two-story foyer with an elegant chandelier leads to a bright interior featuring a primary staircase from the foyer and a secondary staircase from the family room. The main level includes refinished hardwood flooring, freshly painted interior walls throughout, a private first-floor office, formal living and dining rooms, and comfortable gathering spaces with natural flow. The kitchen features newer tile flooring along with a new range and microwave installed in 2026. Upstairs, the primary suite is complemented by three additional bedrooms and a full hall bath, providing flexible space for evolving lifestyle needs. The home features a two-zone HVAC system, with one furnace replaced in 2014 and one AC replaced in 2019. Additional improvement includes a new roof (2025). The full unfinished basement offers a blank canvas for future customization including recreation, fitness, media, or additional living space. The backyard patio overlooks a quiet cul-de-sac setting, extending the home's living space outdoors. Conveniently located near Princeton, Princeton Junction, major commuter routes, shopping, dining, parks, and cultural destinations.

Affordability — calculate your monthly payment

Adjust your budget to see what's left after housing, utilities and transportation. Numbers below assume a 5% down, 30YrJumbo at 4% APR.

Your estimated payment
$9,103/mo

Real estate (PITI + HOA + PMI)
$9,099
Principal + interest$5,665
Property tax + insurance$2,933
HOA$33
PMI / 2nd mortgage$468
Utilities
$579
Heating + cooling$128
Internet + TV + phone$157
Water + sewer + garbage$58
Transportation
$112
Car insurance + maintenance$112
Other (entertainment)
$157
$9,103/mo TLC
Budget$9,603/mo
Remaining after TLC$500/mo
Purchase price
$1,249,000
Down payment
$62,450 (5%)
Loan amount
$1,186,550
APR
4%

Quick facts

Type
Single Family Residence
Style
Colonial
Year built
2002
Lot size
0.7331 ac
Stories
2
Heating
Forced Air, Zoned
Cooling
Central Air, Zoned, Ceiling Fan(s)
Water
Public
HOA
$33 / Annually
Annual tax
$19,761
MLS #
2662215M
County
Middlesex

At a glance

Air conditioning
Fireplace
Basement
Garage (2)
Dishwasher

Home features

Appliances
DishwasherDryerGas Range/OvenMicrowaveRefrigeratorWasherGas Water Heater
Interior
2nd Stairway to 2nd LevelCathedral Ceiling(s)SkylightDining RoomBath HalfFamily RoomEntrance FoyerKitchenLaundry RoomLibrary/OfficeLiving Room4 BedroomsBath MainBath FullNone
Exterior
Patio
Parking
1 Car WidthAsphaltAttachedBuilt-In Garage
Patio & porch
Patio
Fireplace
Wood Burning
Kitchen
Eat-in KitchenGranite/Corian CountertopsPantry
Dining
Formal Dining Room
Master bedroom
Full BathTwo SinksWalk-In Closet(s)
Flooring
Carpet, Wood, See Remarks
Roof
Asphalt, See Remarks
Sewer
Public Sewer
Ownership
Fee Simple

Lot features

Cul-De-Sac, Possible Subdivision, See Remarks

Neighborhood — 08540

MetricThis ZIPCountyUSA
Population50,4288,832,837299,088,112
Population Change Since199059.00%14.00%20.00%
Population Density9501,137
Male25,0554,307,827147,432,321
Female25,3734,525,010151,655,844
Never Married8,9551,965,81163,775,926
Married21,6663,647,435123,120,365
Separated6,664391,23912,639,686
Widowed1,981515,17215,467,586
Divorced2,234529,39323,075,029
Number Of House Hold16,7383,167,345111,826,380
Average House Hold Size2.562.732.60
Medial Age34.9437.1535.46
Median House Hold Income$107,861$63,392$48,276
Average House Hold Income$152,488$83,312$63,629
P C I$53,569$30,662$24,529
M D I$82,440$52,505$41,133
A T H E$96,288$61,369$50,898
S T R7.00%7.00%
W C J85.36%81.02%77.74%
(Zip) Code
8540

Data via Certihomes neighborhood index. Comparisons across this ZIP, county and the United States.

Map & walkability

Open in Google Maps →

Recently sold nearby

Central Jersey Multiple Listing System, INC

Listing information last refreshed 6/12/2026. Provided courtesy of RE/MAX DIAMOND, REALTORS via Central Jersey Multiple Listing System, INC. Information deemed reliable but not guaranteed.

21 Courtside Lane · South Brunswick — $1,249,000 · Certihomes