Morris County  »  20 Prospect St

20 Prospect Street, Mendham, NJ 07945 Property Information

20 Prospect Street, Mendham, NJ 07945 Property Information

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  • Owner
  • Documents
  • Tax
  • Neighborhood
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20 Prospect Street, Mendham, NJ 07945
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Address

Primary address 20 Prospect Street, Mendham
Zip code 07945
County Morris
Municipality Mendham Borough
Block 1901
Lot 20.05

Sales & Tax Overview for 20 Prospect Street, Mendham

View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.

Property tax $20,229

Lot & Building Information for 20 Prospect Street, Mendham

Building sqft 5,960
Building class Residential (2)
Acreage 1.4
Year built 1999
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Zoning, Use & Area Overview

Walk Score
Transit Score
Bike Score


Zoning district 1-Acre Residence (1-AC)
Broadband internet providers and speed map
Types of broadband connections map

View more neighborhood information such as transportation, nearby schools and risk designations in the dedicated tab.

Other Property Data for 20 Prospect Street, Mendham

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  • • Improvements for 20 Prospect Street, Mendham , including their type, square footage, grade and when they were built.
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About 20 Prospect Street, Mendham

What is the year built & the total sq. ft. for 20 Prospect Street, Mendham, NJ 07945?

20 Prospect Street, Mendham, NJ 07945 was built in 1999 and has a total of 5,960 square feet.

What is the assessed value of 20 Prospect Street, Mendham, NJ 07945 and the property tax paid?

Assessed at $1,100,000, the tax amount paid for 20 Prospect Street, Mendham, NJ 07945 is $20,229.

Ownership Information

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Real Estate Reports:
Laura Pop-Badiu, Jun 11, 2026 NYC Business Leaders on RTO: Survey Reveals Hybrid Still Dominates, Office Attendance Set to Rise
Huble’s recent survey of 126 founders, CEOs and other decision-makers in New York City’s startup ecosystem revealed how local business leaders are approaching workplace strategy in 2026 and beyond.
Eliza Theiss, Jun 04, 2026 World Cup or Your Mortgage/Rent? Ticket Prices Rival Host City Housing Costs
World Cup ticket prices rival monthly housing expenses in the 11 U.S. host cities, with even the cheapest seats covering weeks or even months of rent or mortgage payments.
Lucian Alixandrescu, May 27, 2026 NYC Office Market Ahead of National Curve: Manhattan Q1 Vacancy Drops to 13.1% 
New York City’s office market outpaced the U.S. on several major metrics in Q1, with Manhattan vacancy nearly 5 percentage points below the national benchmark, asking rents climbing against a downward national trend and flex inventory crossing 15 million square feet.
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Past Sales & Property History for 20 Prospect Street, Mendham

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No recorded sales for this property.

Title Documents for 20 Prospect Street, Mendham

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Date Type Amount Party 1 Party 2 Maturity Index Document Related documents Doc image
08/10/2022 - R
07/13/2022 - D
Mortgage 07/17/2047
04/22/2022 - R
03/02/2022 - D
Mortgage 04/01/2037
11/19/2020 - R
10/29/2020 - D
Assignment
                   
                   
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R: Recorded date
D: Document date

Property Taxes for 20 Prospect Street, Mendham

Access detailed property tax data for 20 Prospect Street, Mendham, NJ 07945. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year: 2025
Property tax $20,229
Market value $1,100,000

Assessment History for 20 Prospect Street, Mendham

Here's the assessment & property tax history for 20 Prospect Street, Mendham, including the evolution of the total tax rate and corresponding property tax.

Year Market value Assessment value Total tax rate Property tax Year over year change
2025 $1,100,000 $1,100,000 1.839 $20,229 -25.24%
2024 $1,100,000 $1,100,000 2.46 $27,060 +0.24%
2023 $1,100,000 $1,100,000 2.454 $26,994 +2.94%
2022 $1,100,000 $1,100,000 2.384 $26,224 +1.79%
2021 $1,100,000 $1,100,000 2.342 $25,762 +1.78%

Risk

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Fire hazard zone See more on map
Geohazard zones map

Transportation

Access the detailed traffic volume map for 20 Prospect Street, Mendham to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.

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Schools

Nearest elementary schools

Name Rating Type Grade range No of students Distance to school (mi)
Westmont Montessori School NR Private PK-K 100 0.02
Westmont Montessori School NR Private PK-K 100 0.02
St Joseph Elementary School NR Private K-8 146 0.22
Hilltop School 4 Public PK, K-4 262 0.35
Hilltop School 4 Public PK, K-4 262 0.35

Nearest middle schools

Name Rating Type Grade range No of students Distance to school (mi)
St Joseph Elementary School NR Private K-8 146 0.22
Daytop Preparatory School NR Private 8-12 62 0.56
Mountain View Middle School 10 Public 5-8 229 0.59
Bernardsville Middle School 7 Public 5-8 458 3.30
Mendham Twp Middle School 10 Public 5-8 301 3.45

Nearest high schools

Name Rating Type Grade range No of students Distance to school (mi)
Daytop Preparatory School NR Private 8-12 62 0.56
West Morris Mendham High School 8 Public 9-12 1,077 0.82
Delbarton School NR Private 7-12 609 4.09
Bernards High School 6 Public 9-12 812 4.10
Gill St. Bernard's School NR Private PK-12 635 4.83

Data provided by GreatSchools.org © 2025. All rights reserved.

Neighbors for 20 Prospect Street, Mendham

Here are the neighbors for 20 Prospect Street, Mendham.

Address Square feet Purchase date Purchase price
8 Whispering Ivy Path, Mendham 5,043 06/14/2017 $1,190,000
18 Prospect St, Mendham 5,285 12/28/2000 $1,150,000
4 Muirfield Ln, Mendham 2,888 09/22/1995 $410,000
11 Townsend Rd, Mendham 2,156 05/07/2018
10 Whispering Ivy Path, Mendham 5,278 05/02/2015 $1,110,000
9 Whispering Ivy Path, Mendham 5,492 05/20/2021 $1,347,500
16 A Prospect St, Mendham 2,536 07/18/1994 $350,000
5 Muirfield Ln, Mendham 3,954 06/19/2023 $1,215,000
1 Muirfield Ln, Mendham 3,280 11/14/2018 $770,000
4 Townsend Rd, Mendham 2,629 11/26/2018 $652,000
7 Whispering Ivy Path, Mendham 5,480 09/26/2019 $1,103,000
2 Muirfield Ln, Mendham 2,954 03/30/1997 $1
2 Townsend Rd, Mendham 4,013
6 Townsend Rd, Mendham 1,706
16 Prospect St, Mendham 7,352 04/03/2021 $1,950,000
13 Townsend Rd, Mendham 3,252 06/27/2003 $510,000
3 Muirfield Ln, Mendham 3,284 01/30/1998 $455,000
6 Muirfield Ln, Mendham 3,868 09/28/1999 $99
8 Townsend Rd, Mendham 1,896 07/23/2020 $525,000
10 Townsend Rd, Mendham 2,624 06/19/2019 $570,000

Nearby ZIP Codes for 20 Prospect Street, Mendham

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