7 Cosma Pl | Mendham Boro

$945,000 | 4 Beds | 3 Baths (2 Full, 1 Half)

This four-bedroom, two-and-a-half-bathroom home offers a fully updated interior with lake views throughout, set in the desirable Mendham Borough. A spacious foyer with a center staircase welcomes you in, leading to bright, light-filled living spaces enhanced by skylights. The layout includes a chef's kitchen with a coffee bar, a cozy fireplace in the main living area, an elegant powder room, and a dedicated mudroom with separate front and back entrances connected to the two-car garage. Upstairs, all four bedrooms offer added privacy, including a primary suite that overlooks the lake and features a spa-like bath with a soaking tub, stand-up shower, and double vanity. Second-floor laundry adds everyday convenience right where you need it. With thoughtful updates and lake views throughout, this move-in-ready home is a rare find in Mendham. GSMLS 4039211

Directions to property: Main St (Rt 24) to Lake Dr. Continue straight to Cosma at the end of Lake Dr.

MLS Listing ID: 
GSMLS 4039211
Listing Status
Status of the Listing.
Listing Status: 
Active
Listing Status (Local): 
Active
Listing Status Accepting Offers: 
1
Community Information
Elementary: 
Hilltop
Middle: 
MT.View
High: 
W.M.Mendha
Subdivision: 
Cosma Lake
Association Fee: 
$300
Building Details
Details about the building on a property.
Architectural Style: 
Custom Home
Year Built: 
1930
New Construction: 
0
Interior: 
High Ceilings, Smoke Detector
Fireplaces: 
Yes
Construction
Roof: 
Composition Shingle
Exterior: 
Aluminum Siding, Stone
Exterior Features: 
Patio
DisabilityFeatures: 
No
Energy Information: 
All Underground
Porch: 
No
Deck: 
No
Room Details
Details about the rooms in the building.
Total Rooms: 
10
Total Bedrooms: 
4
Total Bathrooms: 
3
Total Full-Bathrooms: 
2
Total Half-Bathrooms: 
1
Master Bathroom 
Level: 
Second
Utilities
Information about utilities available on the property.
Heating System: 
Forced Hot Air
Heating System Fuel: 
Gas-Natural
Cooling System: 
Central Air
Water Heating System: 
Gas
Water Source: 
Public Water
Sewer: 
Public Sewer
Lot/Land Details
Details about the lots and land features included on the property.
Acres: 
0.23
Lot Size (Dimensions): 
0.230 AC
View: 
Water View
Waterfront: 
0
Water Body Category: 
Lake
Lot Features
Driveway: 
2 Car Width, Blacktop
Parking Type: 
2 Car Width, Blacktop
Total Parking Spaces: 
4
Garage: 
Attached Garage
Pool: 
No
Fence: 
No
Public Record
Parcel Number: 
2318-00304-0000-00003-0000-
Lot Number: 
3
Annual Tax: 
$12,592.00
Listing Dates
Dates involved in the transaction.
Listing Entry Date/Time: 
7/8/2026
Contract Details
Details about the listing contract.
Possession: 
POT
Listing Participants
Participants (agents, offices, etc.) in the transaction.
Listing Office Name: 
COLDWELL BANKER REALTY