When was 86 Mountain Ave, Mendham Boro, NJ last sold?

The most recent recorded sale was in 2020 for $995,000.

What is the assessed value of 86 Mountain Ave, Mendham Boro, NJ?

The total municipal assessment is $970,200 (land plus improvements).

What is 86 Mountain Ave, Mendham Boro, NJ worth?

Our model estimates a market value of $1,237,544, derived from comparable recorded sales nearby.

How many units does 86 Mountain Ave, Mendham Boro, NJ have?

Records show 1 dwelling unit at 86 Mountain Ave, Mendham Boro, NJ.

What kind of property is 86 Mountain Ave, Mendham Boro, NJ?

MOD-IV classifies it as Residential 1-4 unit (class 2). Year built: 2016.

parceldata.nj

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86 Mountain Ave, Mendham Boro, NJ — owner, sales, deeds · parceldata

86 Mountain Ave

Mendham Boro, NJ 07945·Morris County

1418·block 101·lot 8

$1,237,544estimated value

Last sale

$995,000

7/23/2020 · SR1A 2021

Property

Type

Residential 1-4 unit

Tax class

Residential 1-4 unit

Year built

2016

Building size

3,687 sq ft

Lot size

1.69 ac

Land description

1.690 AC

Building description

2S F G1 OB2

Dwelling / commercial units

1 dw / 0 comm

Tax & Assessment

Net assessed value

$970,200

Land value

$351,000

Improvement value

$619,200

Last year's tax

$23,867

Last MOD-IV sale

$995,000

MOD-IV deed date

7/7/2020

Owner mailing address

86 MOUNTAIN AVE
MENDHAM, NJ 07945

Estimated market value

$1,237,544

range $1,132,627 – $1,341,642

moderate confidence

Assessment-implied: $1,351,065; Director's Ratio 0.7181 (2025)
Comp-implied: $1,286,226; 4 comparable sales

Estimated value, last 11 years

2016: $930,232 → 2026: $1,237,544

dots are actual sale prices for this property

Bordering

200-ft notice list →

200 Mountainside Rd
Lot 12·$350,000
84 Mountain Ave
Lot 6·$460,800
82 Mountain Ave
Lot 7·$501,800
88 Mountain Ave
Lot 9·$667,500

Block 101All of Block 101 →

Debug — raw data per source

Computed

{
  "isCondoMaster": false,
  "condoCluster": null,
  "siblingUnitCount": 0,
  "portfolioCount": 0,
  "portfolioKeys": {
    "fullKeys": [
      "86 MOUNTAIN AVE MENDHAM NJ 07945"
    ],
    "zipKeys": [
      "86 MOUNTAIN AVE 07945"
    ]
  },
  "effective_unit_count": 1,
  "effective_unit_count_source": "MOD-IV"
}

MOD-IV

{
  "pams_pin": "1418_101_8",
  "county_code": "14",
  "district_code": "18",
  "block": "101",
  "lot": "8",
  "qualifier": "",
  "property_location": "86 MOUNTAIN AVE",
  "property_class": "2",
  "bldg_class": "19",
  "bldg_desc": "2S F G1 OB2",
  "land_desc": "1.690 AC",
  "year_built": 2016,
  "living_sqft": 3687,
  "dwelling_units": 1,
  "comm_dwell": null,
  "land_value_cents": "35100000",
  "improvement_value_cents": "61920000",
  "net_value_cents": "97020000",
  "last_yr_tx_cents": "2386692",
  "deed_date": "2020-07-07",
  "deed_book": "23824",
  "deed_page": "1843",
  "sale_price_cents": "99500000",
  "sales_code": null,
  "owner_mailing_street": "86 MOUNTAIN AVE",
  "owner_mailing_city_state_zip": "MENDHAM, NJ  07945",
  "mun_name": "MENDHAM BORO",
  "calc_acre": "1.690000",
  "add_lots1": null,
  "add_lots2": null,
  "prop_use": null,
  "fac_name": null,
  "centroid_lon": -74.61000512356198,
  "centroid_lat": 40.78767446678148
}

SR1A

[
  {
    "id": "d65fb2b2-1d45-4081-9e7b-94ae3fc0e898",
    "property_id": null,
    "county_code": "14",
    "district_code": "18",
    "block": "101",
    "lot": "8",
    "qualifier": "",
    "deed_book": null,
    "deed_page": null,
    "deed_date": "2020-07-07",
    "date_recorded": "2020-07-23",
    "sale_price_cents": "99500000",
    "sr1a_year": 2021,
    "source": "sr1a"
  },
  {
    "id": "ccdc2265-607a-4a8a-8dea-6ea8cd6f0e82",
    "property_id": "67ae459a-1498-4560-bd3e-0f86c2524474",
    "county_code": "14",
    "district_code": "18",
    "block": "101",
    "lot": "8",
    "qualifier": "",
    "deed_book": "23824",
    "deed_page": "1843",
    "deed_date": "2020-07-07",
    "date_recorded": "2020-07-23",
    "sale_price_cents": "99500000",
    "sr1a_year": null,
    "source": "taxrecords_nj"
  },
  {
    "id": "5389cc67-215b-4690-aa39-0235151eedd7",
    "property_id": "67ae459a-1498-4560-bd3e-0f86c2524474",
    "county_code": "14",
    "district_code": "18",
    "block": "101",
    "lot": "8",
    "qualifier": "",
    "deed_book": "23824",
    "deed_page": "1843",
    "deed_date": "2020-07-07",
    "date_recorded": "2020-07-07",
    "sale_price_cents": "99500000",
    "sr1a_year": null,
    "source": "modiv_rutgers"
  },
  {
    "id": "509406c4-7571-4710-95a0-77a87c4ee230",
    "property_id": "67ae459a-1498-4560-bd3e-0f86c2524474",
    "county_code": "14",
    "district_code": "18",
    "block": "101",
    "lot": "8",
    "qualifier": "",
    "deed_book": "22901",
    "deed_page": "254",
    "deed_date": "2016-04-12",
    "date_recorded": "2016-05-04",
    "sale_price_cents": "32000000",
    "sr1a_year": null,
    "source": "taxrecords_nj"
  },
  {
    "id": "9600f454-888b-4d01-8c98-b4a5952264ba",
    "property_id": "67ae459a-1498-4560-bd3e-0f86c2524474",
    "county_code": "14",
    "district_code": "18",
    "block": "101",
    "lot": "8",
    "qualifier": "",
    "deed_book": "22901",
    "deed_page": "254",
    "deed_date": "2016-04-12",
    "date_recorded": "2016-04-12",
    "sale_price_cents": "32000000",
    "sr1a_year": null,
    "source": "modiv_rutgers"
  },
  {
    "id": "2b585904-69ab-4dde-a425-4ea27eceb750",
    "property_id": "67ae459a-1498-4560-bd3e-0f86c2524474",
    "county_code": "14",
    "district_code": "18",
    "block": "101",
    "lot": "8",
    "qualifier": "",
    "deed_book": "22826",
    "deed_page": "1604",
    "deed_date": "2015-10-01",
    "date_recorded": "2015-12-08",
    "sale_price_cents": "10000",
    "sr1a_year": null,
    "source": "taxrecords_nj"
  },
  {
    "id": "9e2f0686-7003-4f5b-ac7a-6f8ffb12885d",
    "property_id": "67ae459a-1498-4560-bd3e-0f86c2524474",
    "county_code": "14",
    "district_code": "18",
    "block": "101",
    "lot": "8",
    "qualifier": "",
    "deed_book": "22826",
    "deed_page": "1604",
    "deed_date": "2015-10-01",
    "date_recorded": "2015-10-01",
    "sale_price_cents": "10000",
    "sr1a_year": null,
    "source": "modiv_rutgers"
  },
  {
    "id": "b39eece8-65ba-4247-b13a-2890f8adca71",
    "property_id": "67ae459a-1498-4560-bd3e-0f86c2524474",
    "county_code": "14",
    "district_code": "18",
    "block": "101",
    "lot": "8",
    "qualifier": "",
    "deed_book": "20645",
    "deed_page": "1051",
    "deed_date": "2006-09-25",
    "date_recorded": "2006-10-16",
    "sale_price_cents": "100",
    "sr1a_year": null,
    "source": "taxrecords_nj"
  },
  {
    "id": "0dbc2475-0cf1-4360-b111-07e6a9ce8114",
    "property_id": "67ae459a-1498-4560-bd3e-0f86c2524474",
    "county_code": "14",
    "district_code": "18",
    "block": "101",
    "lot": "8",
    "qualifier": "",
    "deed_book": "20645",
    "deed_page": "1051",
    "deed_date": "2006-09-25",
    "date_recorded": "2006-09-25",
    "sale_price_cents": "100",
    "sr1a_year": null,
    "source": "modiv_rutgers"
  }
]

API record·permalink

Frequently asked questions

When was 86 Mountain Ave, Mendham Boro, NJ last sold?: The most recent recorded sale was in 2020 for $995,000.
What is the assessed value of 86 Mountain Ave, Mendham Boro, NJ?: The total municipal assessment is $970,200 (land plus improvements).
What is 86 Mountain Ave, Mendham Boro, NJ worth?: Our model estimates a market value of $1,237,544, derived from comparable recorded sales nearby.
How many units does 86 Mountain Ave, Mendham Boro, NJ have?: Records show 1 dwelling unit at 86 Mountain Ave, Mendham Boro, NJ.
What kind of property is 86 Mountain Ave, Mendham Boro, NJ?: MOD-IV classifies it as Residential 1-4 unit (class 2). Year built: 2016.

Address	Sold	Price
52 W Main St	8/18/2025	$1,410,000
21 Pleasant Valley Rd	8/13/2025	$1,600,000
2 Farm House Ln	6/27/2025	$1,431,000
4 Farm House Ln	6/27/2025	$1,431,000

Sales history

7/23/2020$995,000
SR1A 2021
7/23/2020$995,000
taxrecords_njBk 23824 / Pg 1843
7/7/2020$995,000
MOD-IV (Rutgers)Bk 23824 / Pg 1843
5/4/2016$320,000
taxrecords_njBk 22901 / Pg 254
4/12/2016$320,000
MOD-IV (Rutgers)Bk 22901 / Pg 254
12/8/2015$100
taxrecords_njBk 22826 / Pg 1604
10/1/2015$100
MOD-IV (Rutgers)Bk 22826 / Pg 1604
10/16/2006$1
taxrecords_njBk 20645 / Pg 1051
9/25/2006$1
MOD-IV (Rutgers)Bk 20645 / Pg 1051

Date	Price	Book / Page	Source
7/23/2020	$995,000	—	SR1A 2021
7/23/2020	$995,000	23824 / 1843	taxrecords_nj
7/7/2020	$995,000	23824 / 1843	MOD-IV (Rutgers)
5/4/2016	$320,000	22901 / 254	taxrecords_nj
4/12/2016	$320,000	22901 / 254	MOD-IV (Rutgers)
12/8/2015	$100	22826 / 1604	taxrecords_nj
10/1/2015	$100	22826 / 1604	MOD-IV (Rutgers)
10/16/2006	$1	20645 / 1051	taxrecords_nj
9/25/2006	$1	20645 / 1051	MOD-IV (Rutgers)