When was 21 E Main St, Mendham Boro, NJ last sold?

The most recent recorded sale was in 2026 for $657,000.

What is the assessed value of 21 E Main St, Mendham Boro, NJ?

The total municipal assessment is $560,000 (land plus improvements).

What is 21 E Main St, Mendham Boro, NJ worth?

Our model estimates a market value of $687,017, derived from comparable recorded sales nearby.

What kind of property is 21 E Main St, Mendham Boro, NJ?

MOD-IV classifies it as Residential 1-4 unit (class 2). Year built: 1900.

parceldata.nj

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21 E Main St, Mendham Boro, NJ — owner, sales, deeds · parceldata

21 E Main St

Mendham Boro, NJ 07945·Morris County

1418·block 1501·lot 9

$687,017estimated value

Last sale

$657,000

4/9/2026 · taxrecords_nj_owners

Property

Type

Residential 1-4 unit

Tax class

Residential 1-4 unit

Year built

1900

Building size

—

Lot size

0.25 ac

Land description

0.250 AC

Building description

2SF

Dwelling / commercial units

—

Tax & Assessment

Net assessed value

$560,000

Land value

$360,000

Improvement value

$200,000

Last year's tax

$13,776

Last MOD-IV sale

$657,000

MOD-IV deed date

4/9/2026

Owner mailing address

21 E MAIN ST
MENDHAM, NJ 07945

Estimated market value

$687,017

range $647,997 – $719,427

high confidence

Assessment-implied: $779,836; Director's Ratio 0.7181 (2025)
Comp-implied: $775,000; 10 comparable sales

Estimated value, last 11 years

2016: $516,414 → 2026: $687,017

dots are actual sale prices for this property

Bordering

200-ft notice list →

23 E Main St
Lot 10·$458,600
E Main St R.o.w
Lot 9.02·$181,500

Block 1501All of Block 1501 →

Debug — raw data per source

Computed

{
  "isCondoMaster": false,
  "condoCluster": null,
  "siblingUnitCount": 0,
  "portfolioCount": 0,
  "portfolioKeys": {
    "fullKeys": [
      "21 E MAIN ST MENDHAM NJ 07945"
    ],
    "zipKeys": [
      "21 E MAIN ST 07945"
    ]
  },
  "effective_unit_count": null,
  "effective_unit_count_source": "none"
}

MOD-IV

{
  "pams_pin": "1418_1501_9",
  "county_code": "14",
  "district_code": "18",
  "block": "1501",
  "lot": "9",
  "qualifier": "",
  "property_location": "21 E MAIN ST",
  "property_class": "2",
  "bldg_class": null,
  "bldg_desc": "2SF",
  "land_desc": "0.250 AC",
  "year_built": 1900,
  "living_sqft": null,
  "dwelling_units": null,
  "comm_dwell": null,
  "land_value_cents": "36000000",
  "improvement_value_cents": "20000000",
  "net_value_cents": "56000000",
  "last_yr_tx_cents": "1377600",
  "deed_date": "2026-04-09",
  "deed_book": "25089",
  "deed_page": "383",
  "sale_price_cents": "65700000",
  "sales_code": null,
  "owner_mailing_street": "21 E MAIN ST",
  "owner_mailing_city_state_zip": "MENDHAM, NJ  07945",
  "mun_name": "MENDHAM BORO",
  "calc_acre": "0.250000",
  "add_lots1": null,
  "add_lots2": null,
  "prop_use": "100",
  "fac_name": null,
  "centroid_lon": -74.59854077521884,
  "centroid_lat": 40.77624896498143
}

SR1A

[
  {
    "id": "c0b47c9a-1c3b-4911-bb8d-943850cd08b7",
    "property_id": "ec125b20-4c15-429b-b1b2-243ac9bbe62e",
    "county_code": "14",
    "district_code": "18",
    "block": "1501",
    "lot": "9",
    "qualifier": "",
    "deed_book": "25089",
    "deed_page": "383",
    "deed_date": "2026-04-09",
    "date_recorded": "2026-04-09",
    "sale_price_cents": "65700000",
    "sr1a_year": null,
    "source": "taxrecords_nj_owners"
  },
  {
    "id": "7944fa19-4780-4baf-8e4e-5a644270580e",
    "property_id": "ec125b20-4c15-429b-b1b2-243ac9bbe62e",
    "county_code": "14",
    "district_code": "18",
    "block": "1501",
    "lot": "9",
    "qualifier": "",
    "deed_book": "24530",
    "deed_page": "1195",
    "deed_date": "2022-10-21",
    "date_recorded": "2022-11-21",
    "sale_price_cents": "100",
    "sr1a_year": null,
    "source": "taxrecords_nj"
  },
  {
    "id": "eaa77994-dbc1-4e55-925a-4adfa860aa84",
    "property_id": null,
    "county_code": "14",
    "district_code": "18",
    "block": "1501",
    "lot": "9",
    "qualifier": "",
    "deed_book": null,
    "deed_page": null,
    "deed_date": "2022-10-21",
    "date_recorded": "2022-11-21",
    "sale_price_cents": "100",
    "sr1a_year": 2023,
    "source": "sr1a"
  },
  {
    "id": "31b85d8a-7bde-4b79-b8a0-c029012b1c63",
    "property_id": "ec125b20-4c15-429b-b1b2-243ac9bbe62e",
    "county_code": "14",
    "district_code": "18",
    "block": "1501",
    "lot": "9",
    "qualifier": "",
    "deed_book": "24530",
    "deed_page": "1195",
    "deed_date": "2022-10-21",
    "date_recorded": "2022-10-21",
    "sale_price_cents": "100",
    "sr1a_year": null,
    "source": "modiv_rutgers"
  },
  {
    "id": "75f6019c-70da-4960-b639-4ea65b7ab22d",
    "property_id": null,
    "county_code": "14",
    "district_code": "18",
    "block": "1501",
    "lot": "9",
    "qualifier": "",
    "deed_book": null,
    "deed_page": null,
    "deed_date": "2021-07-16",
    "date_recorded": "2021-08-27",
    "sale_price_cents": "40500000",
    "sr1a_year": 2022,
    "source": "sr1a"
  },
  {
    "id": "6863a235-adcd-4f4f-897a-5a851c3a0bb7",
    "property_id": "ec125b20-4c15-429b-b1b2-243ac9bbe62e",
    "county_code": "14",
    "district_code": "18",
    "block": "1501",
    "lot": "9",
    "qualifier": "",
    "deed_book": "24203",
    "deed_page": "630",
    "deed_date": "2021-07-16",
    "date_recorded": "2021-08-27",
    "sale_price_cents": "40500000",
    "sr1a_year": null,
    "source": "taxrecords_nj"
  },
  {
    "id": "7bbae73a-ed57-41da-b375-1ffb899ba199",
    "property_id": "ec125b20-4c15-429b-b1b2-243ac9bbe62e",
    "county_code": "14",
    "district_code": "18",
    "block": "1501",
    "lot": "9",
    "qualifier": "",
    "deed_book": "24203",
    "deed_page": "630",
    "deed_date": "2021-07-16",
    "date_recorded": "2021-07-16",
    "sale_price_cents": "40500000",
    "sr1a_year": null,
    "source": "modiv_rutgers"
  },
  {
    "id": "c25984ea-82a6-4079-bd14-0fcb55b2116c",
    "property_id": "ec125b20-4c15-429b-b1b2-243ac9bbe62e",
    "county_code": "14",
    "district_code": "18",
    "block": "1501",
    "lot": "9",
    "qualifier": "",
    "deed_book": "4132",
    "deed_page": "179",
    "deed_date": "1995-01-16",
    "date_recorded": "1995-01-27",
    "sale_price_cents": "43000000",
    "sr1a_year": null,
    "source": "taxrecords_nj"
  },
  {
    "id": "ac381203-5300-463c-b6a5-e0f32a13c6c0",
    "property_id": "ec125b20-4c15-429b-b1b2-243ac9bbe62e",
    "county_code": "14",
    "district_code": "18",
    "block": "1501",
    "lot": "9",
    "qualifier": "",
    "deed_book": "4132",
    "deed_page": "179",
    "deed_date": "1995-01-16",
    "date_recorded": "1995-01-16",
    "sale_price_cents": "43000000",
    "sr1a_year": null,
    "source": "modiv_rutgers"
  },
  {
    "id": "eb6b010a-70c7-4c12-91d9-c6a745b57d08",
    "property_id": "ec125b20-4c15-429b-b1b2-243ac9bbe62e",
    "county_code": "14",
    "district_code": "18",
    "block": "1501",
    "lot": "9",
    "qualifier": "",
    "deed_book": "2774",
    "deed_page": "886",
    "deed_date": "1985-02-01",
    "date_recorded": "1985-02-01",
    "sale_price_cents": "33800000",
    "sr1a_year": null,
    "source": "modiv_rutgers"
  }
]

API record·permalink

Frequently asked questions

When was 21 E Main St, Mendham Boro, NJ last sold?: The most recent recorded sale was in 2026 for $657,000.
What is the assessed value of 21 E Main St, Mendham Boro, NJ?: The total municipal assessment is $560,000 (land plus improvements).
What is 21 E Main St, Mendham Boro, NJ worth?: Our model estimates a market value of $687,017, derived from comparable recorded sales nearby.
What kind of property is 21 E Main St, Mendham Boro, NJ?: MOD-IV classifies it as Residential 1-4 unit (class 2). Year built: 1900.

Based on 10 comparable sales

Address	Sold	Price
50A E Main St	12/19/2025	$775,000
2 Peacock Ln	12/19/2025	$775,000
5 Hampton Rd	8/25/2025	$685,000
77 E Main St	8/13/2025	$740,000
47 W Main St	6/4/2025	$859,000
28 W Main St	4/11/2025	$650,000
9 Hampton Rd	2/27/2025	$1,499,000
77 E Main St	3/11/2024	$695,000
77 E Main St	12/14/2023	$460,000
9 Hampton Rd	11/28/2023	$605,000

Sales history

4/9/2026$657,000
taxrecords_nj_ownersBk 25089 / Pg 383
11/21/2022$1
taxrecords_njBk 24530 / Pg 1195
11/21/2022$1
SR1A 2023
10/21/2022$1
MOD-IV (Rutgers)Bk 24530 / Pg 1195
8/27/2021$405,000
SR1A 2022
8/27/2021$405,000
taxrecords_njBk 24203 / Pg 630
7/16/2021$405,000
MOD-IV (Rutgers)Bk 24203 / Pg 630
1/27/1995$430,000
taxrecords_njBk 4132 / Pg 179
1/16/1995$430,000
MOD-IV (Rutgers)Bk 4132 / Pg 179
2/1/1985$338,000
MOD-IV (Rutgers)Bk 2774 / Pg 886

Date	Price	Book / Page	Source
4/9/2026	$657,000	25089 / 383	taxrecords_nj_owners
11/21/2022	$1	24530 / 1195	taxrecords_nj
11/21/2022	$1	—	SR1A 2023
10/21/2022	$1	24530 / 1195	MOD-IV (Rutgers)
8/27/2021	$405,000	—	SR1A 2022
8/27/2021	$405,000	24203 / 630	taxrecords_nj
7/16/2021	$405,000	24203 / 630	MOD-IV (Rutgers)
1/27/1995	$430,000	4132 / 179	taxrecords_nj
1/16/1995	$430,000	4132 / 179	MOD-IV (Rutgers)