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21 Round Top Rd, Warren, NJ, 07059

5beds
6baths
4,075sqft
$1,400,000
$344price/sqft
$10,018/moest. monthly cost
$400,720/yrincome needed

About This Home

Welcome to this custom Colonial offering approximately 4,075 sq. ft. of living space on 2.3 private acres in one of Warren Township's most desirable locations. Lovingly designed and built by its original owner, this thoughtfully planned home was truly ahead of its time. A grand tiled foyer welcomes you to a versatile floor plan featuring a formal living room with fireplace (also ideal as a first-floor bedroom), formal dining room, spacious great room with fireplace, den/office, gourmet kitchen with newer cabinetry and state-of-the-art appliances, full bath, powder room, and laundry room. The second level offers a primary suite with its own HVAC zone, gas fireplace, spa-like bath with soaking tub, separate shower and dual vanities, plus four additional spacious bedrooms and a full hallway bath. One bedroom is tucked within its own private wing and features an ensuite bath, private staircase to the main level, separate exterior entrance, and access to the second-floor hallway. An open loft overlooking the dramatic great room provides additional living space. The full unfinished basement features high ceilings, a full bath, interior access, and direct access to the oversized attached three-car garage. Outside, enjoy a spacious deck, slate patio, circular driveway, open lawn, wooded surroundings, and exceptional privacy. Move-in ready with opportunity to personalize. Convenient to parks and trails, shopping, dining, and major highways.

Getting Around

2
WalkingCar-Dependent
0
TransitVery Limited Transit
22
BikeSomewhat Bikeable

Schools

7/10
8/10
Middle SchoolGrades 6-83.3 mi

Construction

Condition

  • Year built: 1990

Materials

  • Roof: Asphalt Shingle
  • Construction materials: Wood Shingle

Type & Style

  • Home type: SingleFamily
  • Architectural style: Colonial
  • Property subType: Single Family Residence

Interior

Appliances

  • Appliances included: Dishwasher,Dryer,Range/Oven-Gas,Refrigerator,See Remarks,Washer,Wine Refrigerator
  • Laundry features: Laundry Room

Basement

  • Features: InsdEntr,OutEntrn,RecRoom,SeeRem,Utility

Basement

  • Has basement: Yes
  • Basement: Yes,Full,Unfinished,Walk-Out Access,Sump Pump

Bedroom1

  • Level: Second
  • Area: 345

Bedroom2

  • Level: Second
  • Area: 221

Bedroom3

  • Level: Second
  • Area: 195

Bedroom4

  • Level: Second
  • Area: 195

Bedrooms & Bathrooms

  • Bedrooms: 5
  • Bathrooms: 6
  • Full bathrooms: 5
  • 1/2 bathrooms: 1

Dining Room

  • Features: Formal Dining Room
  • Level: First
  • Area: 255

Family Room

  • Level: First
  • Area: 493

Features

  • Cathedral Ceiling(s),High Ceilings,Bedroom,Loft,Rec Room
  • Window features: Skylight(s)
  • Flooring: Carpet,Tile,Wood
  • Number of fireplaces: 3
  • Fireplace features: Bedroom 1,Gas,Great Room,Living Room,Wood Burning,Master Bedroom
  • Fireplace: Yes

Heating & Cooling

  • Heating features: Forced Air,Zoned,Natural Gas
  • Cooling features: Central Air,Zoned

Interior Area

  • Total structure area: 4,075
  • Total interior livable area: 4,075 sqft

Kitchen

  • Features: Kitchen Island,Eat-in Kitchen,Separate Dining Area
  • Level: First
  • Area: 390

Living Room

  • Level: First
  • Area: 368

Master Bathroom

  • Features: Bidet,Soaking Tub,Stall Shower And Tub

Property

Details

  • Parcel number: 2720000270000000310007
  • Zoning description: residential
  • Exclusions: Personal property; some items may be available for sale

Features

  • Patio & porch: Deck,Patio
  • Exterior features: Underground Lawn Sprinkler

Lot

  • Lot size: 2.30 Acres
  • Features: Level
  • Lot size dimensions: 2.30

Parking

  • Total spaces: 3
  • Parking features: Additional Parking,Asphalt,Circular Driveway
  • Has garage: Yes
  • Attached garage spaces: 3
  • Covered spaces: 3

Climate Risk is Financial Risk

Every home has a financial story beyond the listing price. Below, you’ll see the climate risks that could affect this property — and in Bills & Affordability, how those risks may influence repairs, insurance, utilities, and long-term value.

Biggest Threats for This Home

  • Winter Weather
    Winter WeatherRelatively High
  • Inland Flooding
    Inland FloodingModerate
  • Ice Storm
    Ice StormModerate
  • Lightning
    LightningModerate
  • Strong Wind
    Strong WindModerate

How This Home’s Risks Compare

Winter Weather
Inland Flooding
Ice Storm
Lightning
Strong Wind

FEMA Declared Disasters Across New Jersey Counties

Fire
Severe Storm

Understanding the Costs

Financial advisors generally recommend spending no more than 30% of your gross household income on housing costs. In practice, many households stretch to 35% or beyond — especially in high-cost markets.

Estimated Costs Today

MonthlyAnnual
Mortgage $7,079$84,948
Home Insurance *$338$4,056
Property Taxes $2,152$25,824
Electricity $449$5,390
Total$10,018$120,216
*Does not include cost of any FAIR Plan premiums

Income You'd Need if You Spent...

35% on housing$343,474/yr
40% on housing$300,540/yr
45% on housing$267,146/yr

New Jersey FAIR Plan Programs

New Jersey Insurance Underwriting Association

Covered
WildfireWildfire
HailHail
WindWind
Visit Website →
Current Policies
Residential: 7,029Commercial: 173
Total Premiums$5.54M
Total Exposure$1.19B

How Costs Could Change Over Time

Climate risk is quickly impacting all of the major home ownership costs. Adjust the growth rates and percentage of income spent on housing below to see how your housing costs could change over the next 10 years — and what income you'd need to keep up.

Insurance Growth Rate5-year average: 8.3%
8.3%
0%30.0%
Electricity Growth Rate10-year average: 7.1%
7.1%
0%15.0%
Property Taxes Growth Rate2-year average: 1.0%
1.0%
0%15.0%
Income Spent on Housing
30%
30%45%

Comparing Against the Market

Price Per Sq Ft

$344This listing

vs Other Active Listings

Avg $/sqft

ZIP 07059$433
Somerset County$343

vs Homes Sold Last Month

Median $/sqft

ZIP 07059$389
Somerset County$348

Current Market Trends

Median Price Per Square Foot

The median price per square foot of homes sold in this area each month. Compare this to this listing's price per square foot to gauge whether the home is priced in line with recent sales.

Historicals for This Listing

Zestimate History ($/sqft)

No zestimate history available

Price History

DateEventPrice
2026-08-13Pending sale$1,400,000
2026-07-26Listed for sale$1,400,000

For Sale by Agent

AgentWendy Burney
BrokerageExp Realty, Llc

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