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$2,800,000 Just Listed
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Property Description
Custom built 5,000 square foot lake home with 4 bedrooms, 5 bathrooms, 3 fireplaces, a guest suite, boat house and 1.3 beautifully landscaped acres on a one of a kind private setting! There are very few lake front properties anywhere that combine acreage, a natural setting with mature trees, granite outcroppings + birds eye views together with an architecturally inspiring home. This is one of the rare ones that does all three. So let's begin. The previous owners purchased the property + one of first actions they took was to meet with an architect because this property is so special. When the architect visited the site she was so impressed she said she will design a home that will perfectly complement a perfect property. From the walls of windows to the ceilings 20 feet high + everything in between, this home is magnificent in every way. The master suite is superb with a luxurious bath with makeup area, a private terrace overlooking the water, a fireplace + private study. There are 2 en suite guest bedrooms + they all overlook the two story great room. The ground level features full living quarters with a second kitchen, living room, dining room, fireplace, a huge bedroom + another full bath. The current owners have improved this property even more with a magnificent designer kitchen, newer heating + cooling systems + a beautiful boat house, sundeck + boat lift. And a 3 year $1,000,000 landscaping/hardscaping design was completed using skilled tradesman + it looks magnificent.
Full Property Details
Full Property Details for 9 Cox Ln
General
- Price: $2,800,000
- Taxes: $42,320 (2025)
- Status: Active
- Type: Single Family
- Source: Garden_State
- MLS ID: 4029847
- Updated: Today (5/26/2026)
- Added to Site: Today
Interior
- Number of Rooms: 13
- 2nd Floor/Level 2: 3 Bedrooms, Bath(s) Other, Den
- 1st Floor/Level 1: Dining Room, Family Room, Great Room, Kitchen, Laundry Room, Office, Powder Room
- Street Level: 1 Bedroom, Bath(s) Other, Exercise Room, Kitchen, Living Room, Rec Room, Utility Room
- Interior Features: Carbon Monoxide Detector, Cathedral Ceiling, High Ceilings, Jacuzzi-Type Tub, Sauna, Security System, Smoke Detector, Stall Shower, Walk-In Closet
- Number of Fireplaces: 4
- Fireplace(s): Bedroom 1, Bedroom 4, Great Room, Rec Room
- Appliances: Carbon Monoxide Detector, Central Vacuum, Dishwasher, Dryer, Generator-Built-In, Kitchen Exhaust Fan, Microwave, Electric Range and Oven, Refrigerator, Self-Cleaning Oven, Washer, Water Softener (Owned), Wine Refrigerator
- Flooring: Tile, Wood
Rooms
Bathrooms
- Total Bathrooms: 5
- Full Bathrooms: 4
- Half Bathrooms: 1
Bedrooms
- Total Bedrooms: 4
- Primary Bedroom: Dressing Room, Fireplace, Full Bath, Walk-In Closet
- Bedroom 1: 25 x 15, Second
- Bedroom 2: 13 x 13, Second
- Bedroom 3: 13 x 13, Second
- Bedroom 4: 22 x 15, Ground
Other Rooms
- Family Room: 19 x 12, First
- Kitchen: Breakfast Bar, Center Island, Country Kitchen, Separate Dining Area, 21 x 14, First
- Dining Room: Formal Dining Room, 14 x 13, First
- Great Room: 18 x 15, First
- Office: 14 x 13, First
- Rec Room: 31 x 16, Ground
- Exercise Room: 13 x 7, Ground
- In-Law/Au Pair Suite: Yes
- Suite: Bedroom 1, Full Bath, Kitchen, Living Room
Additional Information
- Shared Amenities: Lake Privileges
Exterior
- Exterior Features: Deck, Dock, Outbuilding(s), Patio, Thermal Windows/Doors, Underground Lawn Sprinkler
Parking
- Garage: Yes
- Garage Spaces: 2
- Uncovered Spaces: 6
- Garage Description: Attached Garage
Location
- County: Sussex
- Subdivision: Lake Hopatcong lake front
- Driving Directions: Maxim Drive to Indian Trail, right onto Cox, OR, Prospect Point to Northwood Rd, left onto Cox Ln
School Information
- Elementary School: HOPATCONG
- Middle School: HOPATCONG
- High School: HOPATCONG
Heating & Cooling
- Cooling Type: 2 Units, Central Air Conditioning
- Heating Type: 2 Units, Forced Hot Air
- Heating Fuel: Gas-Propane Owned
- Water Heater: Gas
Utilities
- Sewer: Septic, Septic 4 Bedroom Town Verified
- Water: Private, Well
- Utility Description: Electric, Gas-Propane, Cable TV Available, Garbage Included
Structural Information
- Architectural Style: Custom Home
- Basement: Yes
- Basement Desc.: Finished, Walk-Out
- Roof: Asphalt Shingles
- Year Built: 2005
Lot Features
- Lot Size (Acres): 1.3
- Lot Size: 138 x 393 IRR
- Driveway/Sidewalk: Blacktop, Off-Street Parking
- Lot Description: Lake Front, Waterfront
Water Features
- Water Front: Yes
Financial Considerations
- Assessment Amount: $1,911,500
- Land Assmt: $620,900
- Tax Amount: $42,320
- Tax Year: 2025
Disclosures and Reports
- Ownership: Fee Simple
- Disclosures: Yes
- APN: 2812-50604-0000-00001-0001-
- Block: 50604
- Lot Number: 1.01
Listed by RE/MAX TOWN & VALLEY II
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Price & Sales History for 9 Cox Ln
Date
Details
Price
Change
Source
5/26/2026
Listed
$2,800,000
—
MLS
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
Tax History
Tax History for 9 Cox Ln
Year
Property Taxes
Change
Tax Assessment
Change
2024
$39,855
7%
$1,911,500
75%
2022
$37,380
2%
$1,089,800
—
2021
$36,748
1%
$1,089,800
—
2020
$36,367
—
$1,089,800
—
2019
$36,214
—
$1,089,800
—
2018
$36,138
—
$1,089,800
—
2017
$36,083
—
$1,089,800
—
2016
$36,160
2%
$1,089,800
—
2015
$35,342
5%
$1,089,800
—
2013
$33,740
—
$1,089,800
—
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
Estimate the Cost
Estimate the Cost for 9 Cox Ln
9 Cox Ln, Hopatcong, NJ 07821 (MLS# 4029847) is a Single Family property with 4 bedrooms, 4 full bathrooms and 1 partial bathroom. 9 Cox Ln is currently listed for $2,800,000 and was received on May 26, 2026. Want to learn more about 9 Cox Ln? Do you have questions about finding other Single Family real estate for sale in Hopatcong? You can browse all Hopatcong real estate or contact a Coldwell Banker agent to request more information.

