When was 20 Gunther St, Mendham Boro, NJ last sold?

The most recent recorded sale was in 2011 for $525,000.

What is the assessed value of 20 Gunther St, Mendham Boro, NJ?

The total municipal assessment is $652,000 (land plus improvements).

What is 20 Gunther St, Mendham Boro, NJ worth?

Our model estimates a market value of $1,073,700, derived from comparable recorded sales nearby.

How many units does 20 Gunther St, Mendham Boro, NJ have?

Records show 1 dwelling unit at 20 Gunther St, Mendham Boro, NJ.

What kind of property is 20 Gunther St, Mendham Boro, NJ?

MOD-IV classifies it as Residential 1-4 unit (class 2). Year built: 1966.

parceldata.nj

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20 Gunther St, Mendham Boro, NJ — owner, sales, deeds · parceldata

20 Gunther St

Mendham Boro, NJ 07945·Morris County

1418·block 401·lot 7

$1,073,700estimated value

Last sale

$525,000

3/4/2011 · taxrecords_nj

Property

Type

Residential 1-4 unit

Tax class

Residential 1-4 unit

Year built

1966

Building size

2,896 sq ft

Lot size

0.92 ac

Land description

0.920 AC

Building description

2S F G2

Dwelling / commercial units

1 dw / 0 comm

Tax & Assessment

Net assessed value

$652,000

Land value

$341,000

Improvement value

$311,000

Last year's tax

$16,039

Last MOD-IV sale

$525,000

MOD-IV deed date

2/25/2011

Owner mailing address

20 GUNTHER ST
MENDHAM, NJ 07945

Estimated market value

$1,073,700

range $948,418 – $1,142,768

moderate confidence

Assessment-implied: $907,952; Director's Ratio 0.7181 (2025)
Comp-implied: $1,128,949; 30 comparable sales

Estimated value, last 11 years

2016: $807,074 → 2026: $1,073,700

Based on 30 comparable sales

Address	Sold	Price
2 Quimby Ln	1/21/2026	$1,080,000
33 Maple Ave	12/26/2025	$920,000

Bordering

200-ft notice list →

32 Mountain Ave
Lot 25·$486,100
30 Mountain Ave
Lot 26·$528,700
28 Mountain Ave
Lot 27·$423,500
3 Wilson St
Lot 3·$426,000
22 Gunther St
Lot 6·$652,600
18 Gunther St
Lot 8·$564,600

Block 401All of Block 401 →

Debug — raw data per source

Computed

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

MOD-IV

{
  "pams_pin": "1418_401_7",
  "county_code": "14",
  "district_code": "18",
  "block": "401",
  "lot": "7",
  "qualifier": "",
  "property_location": "20 GUNTHER ST",
  "property_class": "2",
  "bldg_class": "18",
  "bldg_desc": "2S F G2",
  "land_desc": "0.920 AC",
  "year_built": 1966,
  "living_sqft": 2896,
  "dwelling_units": 1,
  "comm_dwell": null,
  "land_value_cents": "34100000",
  "improvement_value_cents": "31100000",
  "net_value_cents": "65200000",
  "last_yr_tx_cents": "1603920",
  "deed_date": "2011-02-25",
  "deed_book": "21753",
  "deed_page": "1209",
  "sale_price_cents": "52500000",
  "sales_code": null,
  "owner_mailing_street": "20 GUNTHER ST",
  "owner_mailing_city_state_zip": "MENDHAM, NJ  07945",
  "mun_name": "MENDHAM BORO",
  "calc_acre": "0.920000",
  "add_lots1": null,
  "add_lots2": null,
  "prop_use": null,
  "fac_name": null,
  "centroid_lon": -74.60523110950889,
  "centroid_lat": 40.77969999405515
}

SR1A

[
  {
    "id": "8e447da9-aa8e-4357-8b65-997b54ec9910",
    "property_id": "336e3bb9-2be9-4b74-95da-70dad5f0cde0",
    "county_code": "14",
    "district_code": "18",
    "block": "401",
    "lot": "7",
    "qualifier": "",
    "deed_book": "21753",
    "deed_page": "1209",
    "deed_date": "2011-02-25",
    "date_recorded": "2011-03-04",
    "sale_price_cents": "52500000",
    "sr1a_year": null,
    "source": "taxrecords_nj"
  },
  {
    "id": "bd182948-ee42-4dc0-ae20-5a25da69d4b4",
    "property_id": "336e3bb9-2be9-4b74-95da-70dad5f0cde0",
    "county_code": "14",
    "district_code": "18",
    "block": "401",
    "lot": "7",
    "qualifier": "",
    "deed_book": "21753",
    "deed_page": "1209",
    "deed_date": "2011-02-25",
    "date_recorded": "2011-02-25",
    "sale_price_cents": "52500000",
    "sr1a_year": null,
    "source": "modiv_rutgers"
  }
]

API record·permalink

Frequently asked questions

When was 20 Gunther St, Mendham Boro, NJ last sold?: The most recent recorded sale was in 2011 for $525,000.
What is the assessed value of 20 Gunther St, Mendham Boro, NJ?: The total municipal assessment is $652,000 (land plus improvements).
What is 20 Gunther St, Mendham Boro, NJ worth?: Our model estimates a market value of $1,073,700, derived from comparable recorded sales nearby.
How many units does 20 Gunther St, Mendham Boro, NJ have?: Records show 1 dwelling unit at 20 Gunther St, Mendham Boro, NJ.
What kind of property is 20 Gunther St, Mendham Boro, NJ?: MOD-IV classifies it as Residential 1-4 unit (class 2). Year built: 1966.

Sales history

3/4/2011$525,000
taxrecords_njBk 21753 / Pg 1209
2/25/2011$525,000
MOD-IV (Rutgers)Bk 21753 / Pg 1209

Date	Price	Book / Page	Source
3/4/2011	$525,000	21753 / 1209	taxrecords_nj
2/25/2011	$525,000	21753 / 1209	MOD-IV (Rutgers)