When was 4 County Line Rd, Mendham Boro, NJ last sold?

The most recent recorded sale was in 2025 for $3,500,000.

What is the assessed value of 4 County Line Rd, Mendham Boro, NJ?

The total municipal assessment is $2,200,000 (land plus improvements).

What is 4 County Line Rd, Mendham Boro, NJ worth?

Our model estimates a market value of $3,178,795, derived from comparable recorded sales nearby.

How many units does 4 County Line Rd, Mendham Boro, NJ have?

Records show 1 dwelling unit at 4 County Line Rd, Mendham Boro, NJ.

What kind of property is 4 County Line Rd, Mendham Boro, NJ?

MOD-IV classifies it as Residential 1-4 unit (class 2). Year built: 1989.

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4 County Line Rd, Mendham Boro, NJ — owner, sales, deeds · parceldata

4 County Line Rd

Mendham Boro, NJ 07945·Morris County

1418·block 2401·lot 35

$3,178,795estimated value

Last sale

$3,500,000

8/25/2025 · SR1A 2026

Property

Type

Residential 1-4 unit

Tax class

Residential 1-4 unit

Year built

1989

Building size

7,957 sq ft

Lot size

4.98 ac

Land description

4.980 AC

Building description

1.5S F G2

Dwelling / commercial units

1 dw / 0 comm

Tax & Assessment

Net assessed value

$2,200,000

Land value

$798,000

Improvement value

$1,402,000

Last year's tax

$54,120

Last MOD-IV sale

$3,500,000

MOD-IV deed date

8/14/2025

Owner mailing address

4 COUNTY LINE RD
MENDHAM, NJ 07945

Estimated market value

$3,178,795

range $2,970,614 – $3,609,593

high confidence

Assessment-implied: $3,063,640; Director's Ratio 0.7181 (2025)
Comp-implied: $2,058,804; 10 comparable sales

Estimated value, last 11 years

2016: $2,389,423 → 2026: $3,178,795

dots are actual sale prices for this property

Based on 10 comparable sales

Bordering

200-ft notice list →

520 Bernardsville Rd
Lot 1·$3,900,000
2 County Line Rd
Lot 3·$600,000
24 Horseshoe Bend Rd
Lot 34·$1,403,400
500 Bernardsville Rd
Lot 36·$1,987,400
500 Bernardsville Rd
Lot 36/QFARM·$6,500

Block 2401All of Block 2401 →

Debug — raw data per source

Computed

{
  "isCondoMaster": false,
  "condoCluster": null,
  "siblingUnitCount": 0,
  "portfolioCount": 0,
  "portfolioKeys": {
    "fullKeys": [
      "4 COUNTY LINE RD MENDHAM NJ 07945"
    ],
    "zipKeys": [
      "4 COUNTY LINE RD 07945"
    ]
  },
  "effective_unit_count": 1,
  "effective_unit_count_source": "MOD-IV"
}

MOD-IV

{
  "pams_pin": "1418_2401_35",
  "county_code": "14",
  "district_code": "18",
  "block": "2401",
  "lot": "35",
  "qualifier": "",
  "property_location": "4 COUNTY LINE RD",
  "property_class": "2",
  "bldg_class": "20",
  "bldg_desc": "1.5S F G2",
  "land_desc": "4.980 AC",
  "year_built": 1989,
  "living_sqft": 7957,
  "dwelling_units": 1,
  "comm_dwell": null,
  "land_value_cents": "79800000",
  "improvement_value_cents": "140200000",
  "net_value_cents": "220000000",
  "last_yr_tx_cents": "5412000",
  "deed_date": "2025-08-14",
  "deed_book": "24969",
  "deed_page": "1228",
  "sale_price_cents": "350000000",
  "sales_code": null,
  "owner_mailing_street": "4 COUNTY LINE RD",
  "owner_mailing_city_state_zip": "MENDHAM, NJ  07945",
  "mun_name": "MENDHAM BORO",
  "calc_acre": "4.980000",
  "add_lots1": null,
  "add_lots2": null,
  "prop_use": null,
  "fac_name": null,
  "centroid_lon": -74.58954015683237,
  "centroid_lat": 40.75298466156181
}

SR1A

[
  {
    "id": "e62dca45-65b2-4f1a-b37c-78158405f115",
    "property_id": "766b6f40-d243-488f-8150-53283b580bb7",
    "county_code": "14",
    "district_code": "18",
    "block": "2401",
    "lot": "35",
    "qualifier": "",
    "deed_book": "24969",
    "deed_page": "1228",
    "deed_date": "2025-08-14",
    "date_recorded": "2025-08-25",
    "sale_price_cents": "350000000",
    "sr1a_year": 2026,
    "source": "sr1a"
  },
  {
    "id": "96e8f4f1-3588-4d7c-8ade-8b04dd503555",
    "property_id": "766b6f40-d243-488f-8150-53283b580bb7",
    "county_code": "14",
    "district_code": "18",
    "block": "2401",
    "lot": "35",
    "qualifier": "",
    "deed_book": "24969",
    "deed_page": "1228",
    "deed_date": "2025-08-14",
    "date_recorded": "2025-08-14",
    "sale_price_cents": "350000000",
    "sr1a_year": null,
    "source": "taxrecords_nj_owners"
  },
  {
    "id": "6c08d1c9-e7b8-42e5-9a5e-5f5ff34de69f",
    "property_id": "766b6f40-d243-488f-8150-53283b580bb7",
    "county_code": "14",
    "district_code": "18",
    "block": "2401",
    "lot": "35",
    "qualifier": "",
    "deed_book": "22357",
    "deed_page": "1337",
    "deed_date": "2013-06-17",
    "date_recorded": "2013-06-25",
    "sale_price_cents": "100",
    "sr1a_year": null,
    "source": "taxrecords_nj"
  },
  {
    "id": "a4a66a2a-3ff2-465d-a25c-3194c1253578",
    "property_id": "766b6f40-d243-488f-8150-53283b580bb7",
    "county_code": "14",
    "district_code": "18",
    "block": "2401",
    "lot": "35",
    "qualifier": "",
    "deed_book": "22357",
    "deed_page": "1337",
    "deed_date": "2013-06-17",
    "date_recorded": "2013-06-17",
    "sale_price_cents": "100",
    "sr1a_year": null,
    "source": "modiv_rutgers"
  },
  {
    "id": "26c9e2aa-e46e-45f1-8b15-0c769d9d1159",
    "property_id": "766b6f40-d243-488f-8150-53283b580bb7",
    "county_code": "14",
    "district_code": "18",
    "block": "2401",
    "lot": "35",
    "qualifier": "",
    "deed_book": "3931",
    "deed_page": "319",
    "deed_date": "1994-01-30",
    "date_recorded": "1994-02-28",
    "sale_price_cents": "93750000",
    "sr1a_year": null,
    "source": "taxrecords_nj"
  },
  {
    "id": "924b11dd-7a30-4b4c-a0f3-f64cc77cf3ac",
    "property_id": "766b6f40-d243-488f-8150-53283b580bb7",
    "county_code": "14",
    "district_code": "18",
    "block": "2401",
    "lot": "35",
    "qualifier": "",
    "deed_book": "3931",
    "deed_page": "319",
    "deed_date": "1994-01-30",
    "date_recorded": "1994-01-30",
    "sale_price_cents": "93750000",
    "sr1a_year": null,
    "source": "modiv_rutgers"
  }
]

API record·permalink

Frequently asked questions

When was 4 County Line Rd, Mendham Boro, NJ last sold?: The most recent recorded sale was in 2025 for $3,500,000.
What is the assessed value of 4 County Line Rd, Mendham Boro, NJ?: The total municipal assessment is $2,200,000 (land plus improvements).
What is 4 County Line Rd, Mendham Boro, NJ worth?: Our model estimates a market value of $3,178,795, derived from comparable recorded sales nearby.
How many units does 4 County Line Rd, Mendham Boro, NJ have?: Records show 1 dwelling unit at 4 County Line Rd, Mendham Boro, NJ.
What kind of property is 4 County Line Rd, Mendham Boro, NJ?: MOD-IV classifies it as Residential 1-4 unit (class 2). Year built: 1989.

Address	Sold	Price
146 Mountainside Rd	10/15/2025	$1,775,000
9 Horseshoe Bend Rd	4/14/2025	$2,760,000
5 Oak Forest Ln	2/7/2025	$1,850,000
460 Cherry Ln	12/31/2024	$1,300,000
2 Balbrook Dr	12/27/2024	$1,770,825
165 Cherry Ln	6/7/2024	$2,395,000
460 Cherry Ln	5/31/2024	$1,600,000
6 Cromwell Ln	10/23/2023	$1,810,000
460 Cherry Ln	9/13/2023	$737,500
48 Prentice Ln	9/8/2023	$737,500

Sales history

8/25/2025$3,500,000
SR1A 2026Bk 24969 / Pg 1228
8/14/2025$3,500,000
taxrecords_nj_ownersBk 24969 / Pg 1228
6/25/2013$1
taxrecords_njBk 22357 / Pg 1337
6/17/2013$1
MOD-IV (Rutgers)Bk 22357 / Pg 1337
2/28/1994$937,500
taxrecords_njBk 3931 / Pg 319
1/30/1994$937,500
MOD-IV (Rutgers)Bk 3931 / Pg 319

Date	Price	Book / Page	Source
8/25/2025	$3,500,000	24969 / 1228	SR1A 2026
8/14/2025	$3,500,000	24969 / 1228	taxrecords_nj_owners
6/25/2013	$1	22357 / 1337	taxrecords_nj
6/17/2013	$1	22357 / 1337	MOD-IV (Rutgers)
2/28/1994	$937,500	3931 / 319	taxrecords_nj
1/30/1994	$937,500	3931 / 319	MOD-IV (Rutgers)