20 Prospect St
Mendham, NJ 07945
5 Beds
7 Baths
6,384 sqft (on 1.40 acres)
5 Beds
7 Baths
6,384 sqft
(on 1.40 acres)
Local Information
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Description
EXQUISITE CUSTOM COLONIAL LOCATED AT THE END OF A PRIVATE STREET IN THE HEART OF MENDHAM BORO. THIS 5 BDRM, 5.2 BATH HOME OFFERS OVER 6,000 SQ. FT. ON 1.4 ACRES WITHIN STEPS TO TOWN. SPECIAL FEATURES INCLUDE A SPACIOUS KITCHEN WITH CHERRY CABINETS & LARGE GRANITE CENTER ISLAND OPENING TO THE FAMILY ROOM COMPLETE WITH FIREPLACE, CUSTOM BUILT IN CABINETRY, TREY CEILING & ACCESS TO THE DECK AND PATIO. THE GRAND MASTER SUITE BOASTS A LUXURIOUS MASTER BATH, 2 LARGE WALK-IN CLOSETS & SITTING ROOM. THE GRACIOUS FOYER WELCOMES YOU TO THE FORMAL LIVING ROOM WITH BEAUTIFUL GAS FIREPLACE AND THE LARGE DINING ROOM WITH CUSTOM WAINSCOTING. COMPLETING THE FIRST FLOOR IS A LIBRARY/OFFICE, LAUNDRY ROOM & 2 POWDER ROOMS. THE HUGE WALK-OUT LOWER LEVEL OFFERS A MEDIA ROOM, GAME ROOM, OFFICE & FULL BATH. N.J ENERGY STAR HOME.
This property is off market, which means it's not currently listed for sale or rent on Trulia. This may be different from what's available on other websites or public sources.
Home Highlights
Parking
Garage
Outdoor
Porch, Patio, Deck
A/C
Heating & Cooling
HOA
None
Price/Sqft
No Info
Listed
No Info
Home Details for 20 Prospect St
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Interior Details BasementAdditional StorageAtticNumber of Rooms: 10Types of Rooms: Walk In Closet, Breakfast Nook, Dining Room, Family Room, Laundry Room, Library, Master Bath, Mud Room, Office, Pantry, Recreation RoomStorageCeiling Fan |
Heating & Cooling Heating: Forced Air, GasAir ConditioningCooling System: CentralHeating Fuel: Forced Air |
Levels, Entrance, & Accessibility Stories: 3Floors: Tile, Carpet, Hardwood |
Appliances & Utilities DishwasherDryerRefrigeratorWasher |
Fireplace & Spa FireplaceJetted Bath Tub |
Security Security System |
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Exterior Home Features Roof: AsphaltDeckExterior: Stone, WoodGardenLawnPatioPorchSprinkler System |
Parking & Garage GarageParking Spaces: 6Parking: Garage Attached, Off Street |
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Year Built Year Built: 1999Year Updated: 2017 |
Property Type / Style Property Type: Single Family HomeArchitecture: Colonial |
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Units in Building: 1 |
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Lot Area: 1.40 acres |
Price History for 20 Prospect St
| Date | Price | Event | Source |
|---|---|---|---|
| 07/14/2016 | $1,399,000 | ListingRemoved | Agent Provided |
| 03/14/2016 | $1,399,000 | Listed For Sale | Agent Provided |
| 12/06/2015 | $1,595,000 | ListingRemoved | Agent Provided |
| 05/18/2015 | $1,595,000 | PriceChange | Agent Provided |
| 04/19/2015 | $1,629,000 | Listed For Sale | Agent Provided |
| 10/21/2011 | $1,650,000 | ListingRemoved | Agent Provided |
| 06/18/2011 | $1,650,000 | Listed For Sale | Agent Provided |
| 08/02/1999 | $450,000 | Sold | N/A |
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Property Tax and Assessment
| Year | 2025 |
|---|---|
| Tax | $27,060 |
| Assessment | $1,100,000 |
Home facts updated by county records
Comparable Sales for 20 Prospect St
Address | Distance | Property Type | Sold Price | Sold Date | Bed | Bath | Sqft |
|---|---|---|---|---|---|---|---|
0.23 | Single-Family Home | $859,000 | 06/04/25 | 3 | 2.5 | 2,340 | |
0.17 | Single-Family Home | $950,000 | 11/03/25 | 5 | 6 | - | |
0.67 | Single-Family Home | $1,431,000 | 06/27/25 | 4 | 3.5 | 4,102 | |
0.43 | Single-Family Home | $769,000 | 10/14/25 | 3 | 3 | - | |
0.35 | Single-Family Home | $1,410,000 | 08/14/25 | 3 | 4 | - | |
0.28 | Single-Family Home | $750,000 | 09/02/25 | 3 | 2 | - | |
0.19 | Single-Family Home | $1,080,000 | 12/16/25 | 3 | 3 | - | |
0.68 | Single-Family Home | $940,000 | 07/21/25 | 4 | 2 | 1,968 | |
0.64 | Single-Family Home | $1,431,000 | 06/25/25 | 5 | 5 | - | |
0.42 | Single-Family Home | $849,000 | 11/17/25 | 4 | 3 | - |
Nearby homes
Get a sense of prices in the area by checking nearby homes.
FOR SALE15.39 ACRESTurpin Real Estate, Inc.
Assigned Schools
These are the assigned schools for 20 Prospect St.
- Hilltop School
- PK-4
- Public
- 262 Students
7/10GreatSchools RatingParent Rating AverageThe school is very proactive about encouraging progress, responsibility and independence. Mix of good and bad teachers, like any school. If your child doesn't fit the exact prototype student they're expecting, they get left to pretty well fend for themselves. Was warned with stories from other parents with children with IEPs that parents had to fight tooth & nail for. Or the children just get turned down outright, when they clearly need support. Our family had our own challenges when my children were there, one is still in 3rd grade currently. Transferred from another state and they took away half of my one child's support on the first IEP review. It's all about $$ and shameful. I'll be seeking legal assistance if it continues.Parent Review7mo ago - Mountain View Middle School
- 5-8
- Public
- 229 Students
9/10GreatSchools RatingParent Rating AverageThe school is good overall. Some teachers are fantastic--Mrs. Dodge, Ms. Dubek, and Ms.McCaffrey are all great teachers, and my kids very much enjoyed their classes--and most of the rest are good as well, though there are some exceptions. (There is a baffling emphasis on coloring in Spanish classes, for example.) Principal turnover has also been an issue in recent years, and Mr. Seipp seemed to be in over his head, as evidenced by a lot of teachers leaving over the past two to three years. Now that this has (hopefully) stabilized, though, this is a very good school overall.Parent Review9y ago - West Morris Mendham High School
- 9-12
- Public
- 1077 Students
10/10GreatSchools RatingParent Rating AverageMy 2 sons have had a great experience at the high school. The teachers and counselors have been great to our family when support was needed. We are grateful for the years at the school and to all the staff for the magnificent education given to our sons.Our son are very prepared for college thanks to the IB program and we’re accepted to great schools for undergraduate education.Parent Review11mo ago 
Check out schools near 20 Prospect St.
What Locals Say about Mendham
At least 49 Trulia users voted on each feature.
95 % Say parking is easy
95 % Say car is needed
87 % Say there's wildlife
85 % Say there's holiday spirit
81 % Say it's dog friendly
80 % Say it's quiet
76 % Say yards are well-kept
73 % Say people would walk alone at night
72 % Say neighbors are friendly
68 % Say they plan to stay for at least 5 years
62 % Say kids play outside
60 % Say there are community events
50 % Say there are sidewalks
46 % Say it's walkable to restaurants
45 % Say it's walkable to grocery stores
37 % Say streets are well-lit
Sourced by Trulia users. Learn more about our methodology.
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20 Prospect St, Mendham, NJ 07945 is a 5 bedroom, 8 bathroom, 6,384 sqft single-family home built in 1999. This property is not currently available for sale. 20 Prospect St was last sold on Aug 2, 1999 for $450,000. The current Trulia Estimate for 20 Prospect St is $1,998,900.