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136 Mountainside Rd, Mendham Boro, NJ — owner, sales, deeds · parceldata

136 Mountainside Rd

Mendham Boro, NJ 07945·Morris County

1418·block 501·lot 13

$587,569estimated value

Last sale

$574,000

9/30/2022 · SR1A 2023

Property

Type

Residential 1-4 unit

Tax class

Residential 1-4 unit

Year built

1920

Building size

1,468 sq ft

Lot size

1.00 ac

Land description

1.0 AC

Building description

1S F G1

Dwelling / commercial units

1 dw / 0 comm

Tax & Assessment

Net assessed value

$466,900

Land value

$318,300

Improvement value

$148,600

Last year's tax

$11,486

Last MOD-IV sale

$574,000

MOD-IV deed date

9/12/2022

Owner mailing address

136 MOUNTAINSIDE RD
MENDHAM, NJ 07945

Estimated market value

$587,569

range $531,811 – $650,000

high confidence

Assessment-implied: $650,188; Director's Ratio 0.7181 (2025)
Comp-implied: $604,232; 3 comparable sales

Based on 3 comparable sales

Address	Sold	Price
42 Mountain Ave	8/13/2025	$745,000
72 E Main St	7/8/2025	$725,000
41 W Main St	12/12/2024	$550,000

Sales history

Bordering

200-ft notice list →

146 Mountainside Rd
Lot 12·$1,338,200
130 Mountainside Rd
Lot 14·$766,800

Block 501All of Block 501 →

Debug — raw data per source

Computed

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

MOD-IV

{
  "pams_pin": "1418_501_13",
  "county_code": "14",
  "district_code": "18",
  "block": "501",
  "lot": "13",
  "qualifier": "",
  "property_location": "136 MOUNTAINSIDE RD",
  "property_class": "2",
  "bldg_class": "16",
  "bldg_desc": "1S F G1",
  "land_desc": "1.0 AC",
  "year_built": 1920,
  "living_sqft": 1468,
  "dwelling_units": 1,
  "comm_dwell": null,
  "land_value_cents": "31830000",
  "improvement_value_cents": "14860000",
  "net_value_cents": "46690000",
  "last_yr_tx_cents": "1148574",
  "deed_date": "2022-09-12",
  "deed_book": "24501",
  "deed_page": "393",
  "sale_price_cents": "57400000",
  "sales_code": null,
  "owner_mailing_street": "136 MOUNTAINSIDE RD",
  "owner_mailing_city_state_zip": "MENDHAM, NJ  07945",
  "mun_name": "MENDHAM BORO",
  "calc_acre": "1.000000",
  "add_lots1": null,
  "add_lots2": null,
  "prop_use": null,
  "fac_name": null,
  "centroid_lon": -74.60433452334813,
  "centroid_lat": 40.78970691305375
}

SR1A

[
  {
    "id": "cb9cb6d5-0d8f-49fc-a860-861dfa1a05ee",
    "property_id": null,
    "county_code": "14",
    "district_code": "18",
    "block": "501",
    "lot": "13",
    "qualifier": "",
    "deed_book": null,
    "deed_page": null,
    "deed_date": "2022-09-12",
    "date_recorded": "2022-09-30",
    "sale_price_cents": "57400000",
    "sr1a_year": 2023,
    "source": "sr1a"
  },
  {
    "id": "2e4224ff-0ab5-496a-b970-86cb74d09fd4",
    "property_id": "03636d09-9fa7-4b3f-b184-5f63f182589c",
    "county_code": "14",
    "district_code": "18",
    "block": "501",
    "lot": "13",
    "qualifier": "",
    "deed_book": "24501",
    "deed_page": "393",
    "deed_date": "2022-09-12",
    "date_recorded": "2022-09-30",
    "sale_price_cents": "57400000",
    "sr1a_year": null,
    "source": "taxrecords_nj"
  },
  {
    "id": "701a2d39-3abf-4a5e-b5c5-8be2f1a42f68",
    "property_id": "03636d09-9fa7-4b3f-b184-5f63f182589c",
    "county_code": "14",
    "district_code": "18",
    "block": "501",
    "lot": "13",
    "qualifier": "",
    "deed_book": "24501",
    "deed_page": "393",
    "deed_date": "2022-09-12",
    "date_recorded": "2022-09-12",
    "sale_price_cents": "57400000",
    "sr1a_year": null,
    "source": "modiv_rutgers"
  },
  {
    "id": "2308b6d2-764b-4840-b907-09e7e86da88d",
    "property_id": "03636d09-9fa7-4b3f-b184-5f63f182589c",
    "county_code": "14",
    "district_code": "18",
    "block": "501",
    "lot": "13",
    "qualifier": "",
    "deed_book": "5825",
    "deed_page": "238",
    "deed_date": "2003-03-14",
    "date_recorded": "2003-04-21",
    "sale_price_cents": "100",
    "sr1a_year": null,
    "source": "taxrecords_nj"
  },
  {
    "id": "57cf475c-4cdb-43ab-9da7-e897331687c9",
    "property_id": "03636d09-9fa7-4b3f-b184-5f63f182589c",
    "county_code": "14",
    "district_code": "18",
    "block": "501",
    "lot": "13",
    "qualifier": "",
    "deed_book": "5825",
    "deed_page": "238",
    "deed_date": "2003-03-14",
    "date_recorded": "2003-03-14",
    "sale_price_cents": "100",
    "sr1a_year": null,
    "source": "modiv_rutgers"
  },
  {
    "id": "972894b0-287e-4ae1-91aa-5bc9d79ca471",
    "property_id": "03636d09-9fa7-4b3f-b184-5f63f182589c",
    "county_code": "14",
    "district_code": "18",
    "block": "501",
    "lot": "13",
    "qualifier": "",
    "deed_book": "5765",
    "deed_page": "307",
    "deed_date": "2002-12-06",
    "date_recorded": "2003-01-08",
    "sale_price_cents": "42500000",
    "sr1a_year": null,
    "source": "taxrecords_nj"
  }
]

API record·permalink

Date	Price	Book / Page	Source
9/30/2022	$574,000	—	SR1A 2023
9/30/2022	$574,000	24501 / 393	taxrecords_nj
9/12/2022	$574,000	24501 / 393	MOD-IV (Rutgers)
4/21/2003	$1	5825 / 238	taxrecords_nj
3/14/2003	$1	5825 / 238	MOD-IV (Rutgers)
1/8/2003	$425,000	5765 / 307	taxrecords_nj

Property

Tax & Assessment

Estimated market value

Sales history

Bordering

Deeds