Exquisite Luxury Lakefront home. A rare opportunity to own a premier residence on a private island home to only 34 beautiful lakefront properties. This 5 BR 6.1 BA estate like masterpiece is packed with exceptional quality and timeless design. Set on a sweeping lawn with a large lakefront patio, this home delivers upscale lake living and privacy with its resort style pool, cabana and new boathouse offering direct access to lake adventures. Entertain in style with a new gourmet kitchen featuring a wood burning stone fireplace and french doors that lead out to your outdoor cooking station complete with cooking fireplace and inviting patios. Retreat to the second floor primary suite equipped with a full bath, walk in closet, stone fireplace, sitting room with a covered porch to take in lake views. Spacious second floor office wing with a private bath and separate entrance providing a comfortable and substantial work environment. Greet your guests with a unique bar room off the foyer then step into the rustic living enjoying wonderful lake views and gather around a cozy fireplace. The finished basement includes an exercise room, full bath with a seam room and wine storage. A lifestyle unmatched just an hour from Manhattan.
Active
$3,985,000
20 Island Trl, Sparta Twp., NJ 07871
5beds
6,100sqft
Est.:
Single Family Residence
Built in 1929
0.91 Acres Lot
$3,718,500 Zestimate®
$653/sqft
$233/mo HOA
What's special
Lakefront patioCozy fireplaceFinished basementNew boathouseSitting roomOutdoor cooking stationResort style pool
- 75 days |
- 2,907 |
- 118 |
Zillow last checked: 9 hours ago
Listing updated: October 10, 2025 at 06:57am
Listed by:
Deirdre Good 973-713-4056,
Weichert Realtors
Source: GSMLS,MLS#: 3991458
Tour with a local agent
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 5
- Bathrooms: 7
- Full bathrooms: 6
- 1/2 bathrooms: 1
Primary bedroom
- Description: Fireplace, Full Bath, Sitting Room, Walk-In Closet
Bedroom 1
- Level: Second
- Area: 588
- Dimensions: 28 x 21
Bedroom 2
- Level: Second
- Area: 304
- Dimensions: 19 x 16
Bedroom 3
- Level: Second
- Area: 256
- Dimensions: 16 x 16
Bedroom 4
- Level: First
- Area: 180
- Dimensions: 15 x 12
Dining room
- Level: First
Family room
- Level: First
Kitchen
- Features: Kitchen Island, Country Kitchen, Eat-in Kitchen, Pantry, Separate Dining Area
- Level: First
- Area: 480
- Dimensions: 24 x 20
Living room
- Level: First
- Area: 528
- Dimensions: 24 x 22
Basement
- Features: Bath(s) Other, Exercise Room, Utility Room
Heating
- 3 Units, Baseboard - Hotwater, Gas-Propane Owned, Oil Tank Above Ground - Inside
Cooling
- 4+ Units, Central Air
Appliances
- Included: Carbon Monoxide Detector, Gas Cooktop, Dishwasher, Dryer, Generator-Built-In, Wall Oven(s) - Electric, Washer
Features
- Exercise Room, Leisure Room, Office, Utility Room, In-Law Floorplan
- Flooring: Stone, Tile, Wood
- Windows: Drapes
- Basement: Yes,Finished
- Number of fireplaces: 3
- Fireplace features: Bedroom 1, Family Room, Kitchen, Master Bedroom
Interior area
- Total structure area: 6,100
- Total interior livable area: 6,100 sqft
Property
Parking
- Total spaces: 4
- Parking features: 2 Car Width, Additional Parking, Asphalt, Attached Garage, Garage Door Opener, Oversized
- Attached garage spaces: 2
- Uncovered spaces: 4
Features
- Patio & porch: Deck, Patio
- Exterior features: Barbecue, Dock
- Has private pool: Yes
- Pool features: Outdoor Pool, Gunite, Heated, In Ground
- Has view: Yes
- View description: Lake/Water View
- Has water view: Yes
- Water view: Lake/Water View
- Waterfront features: Lake Front, Waterfront, Lake Privileges
Lot
- Size: 0.91 Acres
- Dimensions: 100 x 391 LMCC
Details
- Parcel number: 2818040290000000040000
- Zoning description: res
- Other equipment: Generator-Built-In
Construction
Type & style
- Home type: SingleFamily
- Architectural style: Custom Home
- Property subtype: Single Family Residence
Materials
- Brick, Stone
- Roof: Asphalt Shingle
Condition
- Year built: 1929
- Major remodel year: 2002
Utilities & green energy
- Gas: Gas-Natural, Gas-Propane
- Sewer: Septic 5+ Bedroom Town Verified
- Water: Association
- Utilities for property: Electricity Connected, Natural Gas Connected, Propane, Garbage Extra Charge
Community & HOA
Community
- Features: Billiards Room, Boats - Gas Powered Allowed, Clubhouse, Jogging/Biking Path, Playground, Tennis Court(s)
- Security: Carbon Monoxide Detector
- Subdivision: Lake Mohawk
HOA
- Has HOA: Yes
- HOA fee: $2,800 annually
- Application fee: $5,500
Location
- Region: Sparta
Financial & listing details
- Price per square foot: $653/sqft
- Tax assessed value: $1,564,500
- Annual tax amount: $56,149
- Date on market: 10/8/2025
- Ownership type: Fee Simple
- Electric utility on property: Yes
Estimated market value
$3,718,500
$3.53M - $3.90M
$5,786/mo
Price history
Price history
| Date | Event | Price |
|---|---|---|
| 10/8/2025 | Listed for sale | $3,985,000+64.3%$653/sqft |
Source:  GSMLS #3991458 Report a problem | ||
| 12/6/2019 | Sold | $2,425,000-16.1%$398/sqft |
Source: GSMLS #3539727 Report a problem | ||
| 11/15/2019 | Pending sale | $2,890,000$474/sqft |
Source: RE/MAX PLATINUM GROUP #3539727 Report a problem | ||
| 7/23/2019 | Price change | $2,890,000-0.3%$474/sqft |
Source: RE/MAX PLATINUM GROUP #3539727 Report a problem | ||
| 3/18/2019 | Price change | $2,900,000-1.7%$475/sqft |
Source: RE/MAX PLATINUM GROUP #3539727 Report a problem | ||
Public tax history
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $56,150 | $1,564,500 |
| 2024 | $56,150 +3% | $1,564,500 +0.9% |
| 2023 | $54,538 +3.4% | $1,550,000 |
Find assessor info on the county website
BuyAbility℠ payment
Est. payment
$28,828/mo
Principal & interest
$19927
Property taxes
$7273
Other costs
$1628
Climate risks
Neighborhood: Lake Mohawk
Nearby schools
GreatSchools rating
- 6/10Helen Morgan Elementary SchoolGrades: 4-5Distance: 0.8 mi
- 6/10Sparta Middle SchoolGrades: 6-8Distance: 3.1 mi
- 7/10Sparta High SchoolGrades: 9-12Distance: 2.4 mi
Schools provided by the listing agent
- Elementary: Sparta
- Middle: Sparta
- High: Sparta
Source: GSMLS. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.
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