For sale

$1,199,000

Est. $7,983/mo —

•

—

sq ft

20 Round Top Rd, Warren, NJ 07059-5522

About this home

Set attractively on a level and foliated 1.5 acre parcel lies our classic American traditional. It offers 4 beds, 3 1/2 baths and a gorgeous, 650 sq.ft. Trex deck overlooking private rear grounds. The macadam driveway accommodates a 1/2 dozen vehicles. Once inside we find a bright & sprawling 1st level. The generous and smartly appointed granite & stainless kitchen offers a large, separate dining area situated opposite a family room sporting a floor to ceiling, wood burning, brick fireplace. An oversized formal living room, formal dining room, large laundry with additional cabinetry, a broom closet and a pretty powder room complete the home's 1st level. Level ll is home to the primary bedroom suite and 3 additional bedrooms nicely served by a full bath with a shower over a tub. The finished basement sports a spacious recreation room, a 3rd full bath with stall shower and newer, high quality mechanicals. Recent upgrades include a whole house exterior painting & new shutters last year, new fencing this season, a 2018 roof, new doors & windows in 2022, new water closets throughout, a 5 ton air handler in 2018, a new condenser last season, pinpoint recessed illumination, newer high-end appliances & that massive deck. Warren is one of New Jersey's most sought-after towns known for its superior schools and award-winning athletic program. The thriving town center has great restaurants and services close by and Route 78 is nearly right there making commutes and weekend trips easy.

Single-familyProperty Type

1970Year Built

1.5 acresLot Size

2 garage spacesParking

Listed by JAMES CARLTON LONGO • KELLER WILLIAMS TOWNE SQUARE REAL

Contact: 908-766-0085

Listing updated: Oct 10, 2026 at 12:29pm

Redfin checked: a minute ago

•Source:GSMLS #4058146

Payment calculator

$7,983 per month

Principal and interest$6,707

Property taxes

$1,126

HOA dues

Home insurance

$150

Utilities

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Open houses

No upcoming open houses.

Nearby open houses (10)

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2 beds2.5 baths— sq ft
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3 beds1.5 baths— sq ft
151 Sprague Ave, South Plainfield, NJ 07080
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OPEN TODAY, 1PM TO 3PM3D WALKTHROUGH
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3 beds2 baths— sq ft
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Around this home

Schools

K - 12
Preschool & daycare

Mount Horeb Elementary School

Public PreK-5 • Assigned • 0.5mi

7/10

Middle School

Public 6-8 • Assigned • 3.2mi

8/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Offer insights

20 Round Top Rd · $1,199,000

Strong offer

$1.26M and above

75% chance or better to win

Why $1.26M+ is a strong offer

DAYS ON MARKET

The average home goes pending in 31 days.

SALE-TO-LIST

Most homes are selling 1% above list price.

About offer insights

Property details

Interior
Exterior
Finance

Kitchen

Bathroom

Bedroom

Living

Dining

Interior features
Walk-in closet
Carbon monoxide detector
Smoke detector
Gas water heater
Finished full basement
Family room with a wood-burning fireplace

Bedrooms
Four bedrooms on the second floor

Bathrooms
Three full bathrooms and one half bathroom
Primary bathroom with stall shower

Kitchen
Dishwasher
Kitchen exhaust fan
Microwave
Refrigerator
Self-cleaning oven
Electric wall oven
Separate dining area

Laundry & utility
Laundry room
Washer
Dryer
Sump pump

Flooring
Carpet, tile, and wood flooring

Heating & cooling
Forced hot air heating with natural gas
Central air conditioning

Sale and tax history for 20 Round Top Rd

Sale History
Tax History

Year

Property tax

Land + Additions

Assessment*

2025

$13,515 (−0.4%)

$400,000 + $420,200

$820,200

2024

$13,575 (+1.9%)

$377,300 + $394,100

$771,400

2023

$13,328 (+2.1%)

$339,200 + $399,400

$738,600

2022

$13,059 (−1.0%)

$314,100 + $373,600

$687,700

2021

$13,191 (+1.2%)

$299,000 + $358,200

$657,200

2020

$13,037 (+2.5%)

$287,500 + $347,900

$635,400

2019

$12,719 (+3.9%)

$285,400 + $344,400

$629,800

2018

$12,242 (+18.9%)

$279,700 + $344,400

$624,100

2017

$10,296 (+0.6%)

$266,500 + $349,600

$616,100

2016

$10,239 (+5.8%)

$242,300 + $275,600

$517,900

2014

$9,675 (+2.5%)

$224,400 + $265,300

$489,700

2013

$9,444 (+2.0%)

$224,400 + $250,600

$475,000

2011

$9,260 (−1.9%)

$224,400 + $242,400

$466,800

2010

$9,436 (−3.8%)

$222,200 + $239,200

$461,400

2009

$9,808

$222,200 + $239,200

$461,400

Public record

Public record
Zoning

Beds

—

Baths

—

Stories

Lot width

—

Lot depth

—

Lot size

1.5 Acres

Year renovated

—

Finished Sq. Ft.

2,312

Unfinished Sq. Ft.

—

Total Sq. Ft.

2,312

Year built

1970

Style

Single Family Residential

County

Somerset County

APN

2000041 00013 13

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Sep 17, 2026.

R-65

Rural Residential District

The R-65 district encompasses the majority of existing 1 1/2 acre lot single family neighborhoods of Warren Township. The standards and requirements of this district are designed to recognize the existing developed neighborhood character and to further the goals of the Warren Township Master Plan.

Permitted uses

Include but are not limited to:

Agriculture
Livestock production
Housing-Single unit
Golf related

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 100° expected this year, 14 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

Warren, NJ • 07059-5522

Average low and high temperatures (°F)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sun exposure

75/ 100

Good sunlight

Sunscore

This home receives average direct sun exposure in Warren. There appears to be minimal shading by surrounding buildings, terrain, and vegetation.

7.8 hrs

4.8 hrs

JuneDecember

Provided by Shadowmap

Redfin Estimate for 20 Round Top Rd

We cannot show automated home-value estimates for this home.

Nearby homes have recently sold between $925,000 and $1,315,000.

Nearby comparable homes

The Redfin Estimate uses 6 recent nearby sales, priced between $925K to $1.3M.

SOLD JUL 30, 2026
$1,305,000 Last sold price
5 beds3.5 baths— sq ft
6 Pinewood Ln, Warren, NJ 07059-6862
smaller lot
24 years newer
no basement
SOLD SEP 3, 2026
20 Gregory Ln, Warren, NJ 07059-5031
$1,300,000 Last sold price
5 beds4.5 baths— sq ft
20 Gregory Ln, Warren, NJ 07059-5031
larger lot
2 years newer
no basement
SOLD MAY 18, 2026
21 Lenape Trl, Warren, NJ 07059-6809
$925,000 Last sold price
4 beds2.5 baths— sq ft
21 Lenape Trl, Warren, NJ 07059-6809
2 years newer
no basement
SOLD MAR 26, 2026
11 Grouse Rd, Warren, NJ 07059-6806
$1,250,000 Last sold price
4 beds2.5 baths— sq ft
11 Grouse Rd, Warren, NJ 07059-6806
9 years newer
no basement
SOLD AUG 20, 2026
$999,000 Last sold price
3 beds3 baths— sq ft
13 Skyline Dr, Warren, NJ 07059-6713
larger lot
no basement
SOLD JUL 2, 2026
$1,315,000 Last sold price
4 beds3.5 baths— sq ft
8 Deerwood Trl, Warren, NJ 07059-5557
14 years newer
no basement

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