Closed$649,000
TLC ≈ $5,680/mo
3 3 2,156 sqft
380 Mountain Avenue, North Plainfield, NJ 07062
170 Johnston Drive, Watchung, NJ 07069
$1,800,000
5 beds 5 baths 3,895 sqft Built 202616 days on marketActive
About this home
Discover exceptional new construction set on 2.58 private acres in the scenic Watchung Mountains, offering approximately 5, 395 square feet of beautifully designed living space. This 5-bedroom, 5-full-bath residence blends sophisticated contemporary design with refined craftsmanship and a serene natural setting, complemented by an expansive finished lower level that provides additional room for recreation, entertaining, a media room, gym, home office, or private retreat. Soaring ceilings, dramatic black-framed windows, rich wood flooring, recessed lighting, and abundant natural light create an elegant and inviting ambiance throughout. The open-concept floor plan offers a seamless connection between the living, dining, and kitchen spaces, creating an impressive setting for both everyday living and entertaining.The gourmet eat-in kitchen is appointed with custom cabinetry, quartz countertops, an oversized waterfall-edge island, and premium Thermador stainless steel appliances. The adjoining living area features a striking fireplace and picturesque views. The private primary suite offers treetop views, a generous closet, and a spa-inspired en-suite bath. Additional bedrooms provide flexibility for guests, a home office, or personal spaces. Additional highlights include built-in speakers, a security camera system, an attached garage, quality finishes throughout, and the added peace of mind of a 10-year home warranty.
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
$11,101/mo
- Real estate (PITI + HOA + PMI)
- $11,244
- Utilities
- $629
- Transportation
- $121
- Other (entertainment)
- $143
Principal + interest$8,164
Property tax + insurance$2,405
PMI / 2nd mortgage$675
Heating + cooling$160
Internet + TV + phone$143
Water + sewer + garbage$58
Car insurance + maintenance$121
Budget$11,601/mo
Remaining after TLC$500/mo
Purchase price
$1,800,000
Down payment
$90,000 (5%)
Loan amount
$1,710,000
APR
4%
Quick facts
Type
Single Family Residence
Style
Colonial, Custom Home, Two Story
Year built
2026
Lot size
2.58 ac
Stories
2
Heating
See Remarks, Forced Air
Cooling
Central Air
Water
Public
HOA
—
Annual tax
$7,673
MLS #
2704140R
County
Somerset
At a glance
Air conditioning
Fireplace
Basement
Garage
Dishwasher
Home features
Appliances
DishwasherDryerGas Range/OvenExhaust FanMicrowaveRefrigeratorRangeWasherKitchen Exhaust FanGas Water Heater
Interior
Cathedral Ceiling(s)FirealarmSecurity SystemSound System1 BedroomKitchenLiving RoomBath FullBath MainDining RoomFamily Room4 BedroomsNone
Exterior
Yard
Parking
1 Car WidthAttachedBuilt-In GarageDriveway
Fireplace
Gas
Kitchen
Granite/Corian CountertopsKitchen Exhaust FanKitchen IslandEat-in Kitchen
Dining
Formal Dining Room
Master bedroom
1st FloorFull BathWalk-In Closet(s)
Security
Fire AlarmSecurity System
Spa
Bath
Flooring
Laminate, Wood
Roof
Asphalt
Sewer
Public Sewer
Ownership
Fee Simple
Lot features
Cul-De-Sac, Level, Wooded
Neighborhood — 07069
| Metric | This ZIP | County | USA |
|---|---|---|---|
| Population | 4,393 | 8,832,837 | 299,088,112 |
| Population Change Since1990 | 21.00% | 14.00% | 20.00% |
| Population Density | 710 | 1,137 | — |
| Male | 2,155 | 4,307,827 | 147,432,321 |
| Female | 2,239 | 4,525,010 | 151,655,844 |
| Never Married | 723 | 1,965,811 | 63,775,926 |
| Married | 2,413 | 3,647,435 | 123,120,365 |
| Separated | 145 | 391,239 | 12,639,686 |
| Widowed | 193 | 515,172 | 15,467,586 |
| Divorced | 124 | 529,393 | 23,075,029 |
| Number Of House Hold | 1,471 | 3,167,345 | 111,826,380 |
| Average House Hold Size | 2.89 | 2.73 | 2.60 |
| Medial Age | 45.02 | 37.15 | 35.46 |
| Median House Hold Income | $148,375 | $63,392 | $48,276 |
| Average House Hold Income | $193,029 | $83,312 | $63,629 |
| P C I | $64,728 | $30,662 | $24,529 |
| M D I | $114,418 | $52,505 | $41,133 |
| A T H E | $116,454 | $61,369 | $50,898 |
| S T R | 7.00% | 7.00% | — |
| W C J | 78.46% | 81.02% | 77.74% |
(Zip) Code
7069
Data via Certihomes neighborhood index. Comparisons across this ZIP, county and the United States.
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Listing information last refreshed 9/9/2026. Provided courtesy of FLOROSTONE REALTY via Central Jersey Multiple Listing System, INC. Information deemed reliable but not guaranteed.