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.
Under contract
$1,400,000
21 Round Top Rd, Warren Twp., NJ 07059
5beds
4,075sqft
Single Family Residence
Built in 1990
2.3 Acres Lot
$-- Zestimate®
$344/sqft
$-- HOA
What's special
- 44 days
- 820
- 23
Likely to sell faster than
Zillow last checked:
Listing updated:
Listed by:
Wendy Burney 908-922-9995,
Exp Realty, Llc
Source: GSMLS,MLS#: 4041938
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 5
- Bathrooms: 6
- Full bathrooms: 5
- 1/2 bathrooms: 1
Primary bedroom
- Description: Fireplace, Full Bath, Walk-In Closet
Bedroom 1
- Level: Second
- Area: 345
- Dimensions: 23 x 15
Bedroom 2
- Level: Second
- Area: 221
- Dimensions: 17 x 13
Bedroom 3
- Level: Second
- Area: 195
- Dimensions: 15 x 13
Bedroom 4
- Level: Second
- Area: 195
- Dimensions: 15 x 13
Primary bathroom
- Features: Bidet, Soaking Tub, Stall Shower And Tub
Dining room
- Features: Formal Dining Room
- Level: First
- Area: 255
- Dimensions: 17 x 15
Family room
- Level: First
- Area: 493
- Dimensions: 29 x 17
Kitchen
- Features: Kitchen Island, Eat-in Kitchen, Separate Dining Area
- Level: First
- Area: 390
- Dimensions: 26 x 15
Living room
- Level: First
- Area: 368
- Dimensions: 23 x 16
Basement
- Features: InsdEntr, OutEntrn, RecRoom, SeeRem, Utility
Heating
- Forced Air, Zoned, Natural Gas
Cooling
- Central Air, Zoned
Appliances
- Included: Dishwasher, Dryer, Range/Oven-Gas, Refrigerator, See Remarks, Washer, Wine Refrigerator
- Laundry: Laundry Room
Features
- Cathedral Ceiling(s), High Ceilings, Bedroom, Loft, Rec Room
- Flooring: Carpet, Tile, Wood
- Windows: Skylight(s)
- Basement: Yes,Full,Unfinished,Walk-Out Access,Sump Pump
- Number of fireplaces: 3
- Fireplace features: Bedroom 1, Gas, Great Room, Living Room, Wood Burning, Master Bedroom
Interior area
- Total structure area: 4,075
- Total interior livable area: 4,075 sqft
Property
Parking
- Total spaces: 3
- Parking features: Additional Parking, Asphalt, Circular Driveway
- Garage spaces: 3
Features
- Patio & porch: Deck, Patio
- Exterior features: Underground Lawn Sprinkler
Lot
- Size: 2.3 Acres
- Dimensions: 2.30
- Features: Level
Details
- Parcel number: 2720000270000000310007
- Zoning description: residential
Construction
Type & style
- Home type: SingleFamily
- Architectural style: Colonial
- Property subtype: Single Family Residence
Materials
- Wood Shingle
- Roof: Asphalt Shingle
Condition
- Year built: 1990
Utilities & green energy
- Gas: Gas-Natural
- Sewer: Public Sewer
- Water: Public
- Utilities for property: Natural Gas Connected
Community & HOA
Location
- Region: Warren
Financial & listing details
- Price per square foot: $344/sqft
- Tax assessed value: $1,177,100
- Annual tax amount: $19,385
- Date on market: 7/26/2026
- Exclusions: Personal property; some items may be available for sale
- Ownership type: Fee Simple
Estimated market value
Not available
Estimated sales range
Not available
Not available
Price history
| Date | Event | Price |
|---|---|---|
| 8/13/2026 | Pending sale | $1,400,000$344/sqft |
Source:  GSMLS #4041938 Report a problem | ||
| 7/26/2026 | Listed for sale | $1,400,000$344/sqft |
Source: GSMLS #4041938 Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $20,337 +8.4% | $1,106,500 +8.4% |
| 2024 | $18,755 +1.8% | $1,020,400 +7.3% |
| 2023 | $18,427 +0.9% | $950,800 +4.6% |
| 2022 | $18,261 | $909,100 +3.4% |
| 2021 | -- | $879,600 +1.2% |
| 2020 | $17,606 +4.3% | $868,800 +0.6% |
| 2019 | $16,886 | $863,900 +1.7% |
| 2018 | $16,886 +1.4% | $849,800 +1.3% |
| 2017 | $16,657 +1.4% | $838,600 +1.2% |
| 2016 | $16,421 +4.4% | $828,600 +3.3% |
| 2015 | $15,724 +3.1% | $801,800 +3.9% |
| 2014 | $15,257 +2% | $771,900 +2% |
| 2013 | $14,958 +0.7% | $756,400 +0.8% |
| 2012 | $14,858 -0.8% | $750,500 +1.4% |
| 2011 | $14,976 -3.4% | $740,300 +1.1% |
| 2010 | $15,499 -1.7% | $732,300 -14% |
| 2009 | $15,761 | $851,100 -8% |
| 2008 | -- | $925,500 -1% |
| 2007 | -- | $935,300 +8.2% |
| 2006 | -- | $864,800 +5.1% |
| 2005 | -- | $822,800 +15.3% |
| 2004 | $12,135 | $713,800 |
| 2003 | -- | $713,800 +12.2% |
| 2002 | -- | $636,300 +6.8% |
| 2001 | -- | $596,000 |
Find assessor info on the county website
Monthly payment
Est. payment
Payment breakdown
Explore the cost of this home by adjusting the details. Changes won't be saved.Climate risks
Neighborhood: 07059
Nearby schools
Schools provided by the listing agent
- Elementary: Mt Horeb
- Middle: Middle
- High: Whrhs
Source: GSMLS. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.
Similar homes
- $1,450,0005 bd3 ba3.7k sqft861 Garfield Ave, Bridgewater, NJ 08807For Sale
MLS ID #2701480R, HEMANT PATEL. All Jersey MLS - $1,399,0004 bd6 ba4.3k sqft2 Glencree Ln, Clinton Twp., NJ 08833For Sale
MLS ID #4046883, Diane Lynne Goodwin, Keller Williams Realty. GSMLS - $1,690,0005 bd7 ba4.5k sqft202 Rock Road West, Green Brook Twp., NJ 08812For Sale
MLS ID #4044771, Roseann O Keefe, Nexthome Premier. GSMLS - $1,199,0004 bd3 ba3.3k sqft203 Rock Road W, Green Brook Twp., NJ 08812For Sale
MLS ID #4040046, Roseann O Keefe, Nexthome Premier. GSMLS - $1,299,0005 bd3 ba3.3k sqft54 Crestwood St, Piscataway, NJ 08854For SaleMLS ID #2702317R, CHARANJEET KAUR. All Jersey MLS
- $1,525,0004 bd4 ba4.5k sqft4 Edgewood Rd, Edison, NJ 08820For SaleMLS ID #2703632R, DEBORAH KERR. All Jersey MLS
- $1,300,0004 bd3 ba3.4k sqft20 E Ridge Rd, Skillman, NJ 08558For SaleMLS ID #2701189R, HIMANSHU PATEL. All Jersey MLS
- $1,550,0005 bd5 ba3.8k sqft4 Allison Ct, Edison, NJ 08820For SaleMLS ID #2701611R, NEELAM MAKKER. All Jersey MLS
- $1,499,9005 bd4 ba5k sqft25 Carsdale Dr, Belle Mead, NJ 08502For Sale
MLS ID #NJSO2005658, Pallavi Masih, RE/MAX Instyle Realty Corp. Bright MLS - $1,579,0005 bd4 ba3.5k sqft3 Anthony Ave, Edison, NJ 08820For SaleMLS ID #2700657R, CHRISTINE O. LAHEY. All Jersey MLS
