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17 Mountainside Ave, Jefferson Twp, NJ — owner, sales, deeds · parceldata

17 Mountainside Ave

Jefferson Twp, NJ 07460·Morris County

1414·block 558·lot 5

$422,806estimated value

Last sale

$430,000

9/12/2025 · SR1A 2026

Property

Type

Residential 1-4 unit

Tax class

Residential 1-4 unit

Year built

1935

Building size

1,280 sq ft

Lot size

0.34 ac

Land description

0.344 AC

Building description

1SF

Dwelling / commercial units

1 dw / 0 comm

Tax & Assessment

Net assessed value

$280,900

Land value

$91,900

Improvement value

$189,000

Last year's tax

$8,433

Last MOD-IV sale

$430,000

MOD-IV deed date

9/4/2025

Owner mailing address

17 MOUNTAINSIDE AVE
STOCKHOLM, NJ 07460

Estimated market value

$422,806

range $398,805 – $480,014

high confidence

Assessment-implied: $402,897; Director's Ratio 0.6972 (2025)
Comp-implied: $291,366; 30 comparable sales

Based on 30 comparable sales

Address	Sold	Price
73 W Shawnee Trl	4/8/2026	$350,000
38 E Shawnee Trl	4/6/2026	$499,000
54 Winona Trl	4/2/2026	$175,000
237 Prospect Pt Rd	3/30/2026	$510,000

Bordering

200-ft notice list →

27 Mountainside Ave
Lot 1·$233,900
16 Grandview Ave
Lot 11·$222,400
20 Grandview Ave
Lot 12·$144,900
24 Grandview Ave
Lot 13·$256,600
15 Mountainside Ave
Lot 6·$165,000

Block 558All of Block 558 →

Debug — raw data per source

Computed

{
  "isCondoMaster": false,
  "condoCluster": null,
  "siblingUnitCount": 0,
  "portfolioCount": 0,
  "portfolioKeys": {
    "fullKeys": [
      "17 MOUNTAINSIDE AVE STOCKHOLM NJ 07460"
    ],
    "zipKeys": [
      "17 MOUNTAINSIDE AVE 07460"
    ]
  },
  "effective_unit_count": 1,
  "effective_unit_count_source": "MOD-IV"
}

MOD-IV

{
  "pams_pin": "1414_558_5",
  "county_code": "14",
  "district_code": "14",
  "block": "558",
  "lot": "5",
  "qualifier": "",
  "property_location": "17 MOUNTAINSIDE AVE",
  "property_class": "2",
  "bldg_class": "17",
  "bldg_desc": "1SF",
  "land_desc": "0.344 AC",
  "year_built": 1935,
  "living_sqft": 1280,
  "dwelling_units": 1,
  "comm_dwell": null,
  "land_value_cents": "9190000",
  "improvement_value_cents": "18900000",
  "net_value_cents": "28090000",
  "last_yr_tx_cents": "843262",
  "deed_date": "2025-09-04",
  "deed_book": "24979",
  "deed_page": "58",
  "sale_price_cents": "43000000",
  "sales_code": null,
  "owner_mailing_street": "17 MOUNTAINSIDE AVE",
  "owner_mailing_city_state_zip": "STOCKHOLM, NJ  07460",
  "mun_name": "JEFFERSON TWP",
  "calc_acre": "0.344400",
  "add_lots1": null,
  "add_lots2": null,
  "prop_use": null,
  "fac_name": null,
  "centroid_lon": -74.52679098473524,
  "centroid_lat": 41.06498770240347
}

SR1A

[
  {
    "id": "2f4df0e5-0198-47b1-8b70-f02d325008ed",
    "property_id": "dfa1ed8e-0f0d-4f89-b0a9-1327a3ce5c19",
    "county_code": "14",
    "district_code": "14",
    "block": "558",
    "lot": "5",
    "qualifier": "",
    "deed_book": "24979",
    "deed_page": "58",
    "deed_date": "2025-09-04",
    "date_recorded": "2025-09-12",
    "sale_price_cents": "43000000",
    "sr1a_year": 2026,
    "source": "sr1a"
  },
  {
    "id": "c76093b7-4ae5-47ae-bf98-b0ade6418dcf",
    "property_id": "dfa1ed8e-0f0d-4f89-b0a9-1327a3ce5c19",
    "county_code": "14",
    "district_code": "14",
    "block": "558",
    "lot": "5",
    "qualifier": "",
    "deed_book": "24979",
    "deed_page": "58",
    "deed_date": "2025-09-04",
    "date_recorded": "2025-09-04",
    "sale_price_cents": "43000000",
    "sr1a_year": null,
    "source": "taxrecords_nj_owners"
  },
  {
    "id": "3fa4b060-74cd-4d35-99d5-453886981c44",
    "property_id": "dfa1ed8e-0f0d-4f89-b0a9-1327a3ce5c19",
    "county_code": "14",
    "district_code": "14",
    "block": "558",
    "lot": "5",
    "qualifier": "",
    "deed_book": "24402",
    "deed_page": "149",
    "deed_date": "2022-03-30",
    "date_recorded": "2022-05-06",
    "sale_price_cents": "31500000",
    "sr1a_year": null,
    "source": "taxrecords_nj"
  },
  {
    "id": "be63f7da-7351-44cd-a7d9-f1acb1d0429b",
    "property_id": null,
    "county_code": "14",
    "district_code": "14",
    "block": "558",
    "lot": "5",
    "qualifier": "",
    "deed_book": null,
    "deed_page": null,
    "deed_date": "2022-03-30",
    "date_recorded": "2022-05-06",
    "sale_price_cents": "31500000",
    "sr1a_year": 2022,
    "source": "sr1a"
  },
  {
    "id": "a16696ed-f1c5-4d80-9e00-8a07a293076e",
    "property_id": "dfa1ed8e-0f0d-4f89-b0a9-1327a3ce5c19",
    "county_code": "14",
    "district_code": "14",
    "block": "558",
    "lot": "5",
    "qualifier": "",
    "deed_book": "24402",
    "deed_page": "149",
    "deed_date": "2022-03-30",
    "date_recorded": "2022-03-30",
    "sale_price_cents": "31500000",
    "sr1a_year": null,
    "source": "modiv_rutgers"
  },
  {
    "id": "04b2fe18-b242-42b9-8334-d551f85e6a23",
    "property_id": "dfa1ed8e-0f0d-4f89-b0a9-1327a3ce5c19",
    "county_code": "14",
    "district_code": "14",
    "block": "558",
    "lot": "5",
    "qualifier": "",
    "deed_book": "4665",
    "deed_page": "302",
    "deed_date": "1997-10-23",
    "date_recorded": "1997-11-10",
    "sale_price_cents": "13700000",
    "sr1a_year": null,
    "source": "taxrecords_nj"
  },
  {
    "id": "01737392-2be0-4276-927c-85b405f996b5",
    "property_id": "dfa1ed8e-0f0d-4f89-b0a9-1327a3ce5c19",
    "county_code": "14",
    "district_code": "14",
    "block": "558",
    "lot": "5",
    "qualifier": "",
    "deed_book": "4665",
    "deed_page": "302",
    "deed_date": "1997-10-23",
    "date_recorded": "1997-10-23",
    "sale_price_cents": "13700000",
    "sr1a_year": null,
    "source": "modiv_rutgers"
  },
  {
    "id": "7005fc3f-3343-4a12-a955-b3852fe35500",
    "property_id": "dfa1ed8e-0f0d-4f89-b0a9-1327a3ce5c19",
    "county_code": "14",
    "district_code": "14",
    "block": "558",
    "lot": "5",
    "qualifier": "",
    "deed_book": "3913",
    "deed_page": "20",
    "deed_date": "1993-12-08",
    "date_recorded": "1994-01-27",
    "sale_price_cents": "100",
    "sr1a_year": null,
    "source": "taxrecords_nj"
  },
  {
    "id": "ba51846c-21ea-4898-87ff-8b5569a4e1bf",
    "property_id": "dfa1ed8e-0f0d-4f89-b0a9-1327a3ce5c19",
    "county_code": "14",
    "district_code": "14",
    "block": "558",
    "lot": "5",
    "qualifier": "",
    "deed_book": "3913",
    "deed_page": "20",
    "deed_date": "1993-12-08",
    "date_recorded": "1993-12-08",
    "sale_price_cents": "100",
    "sr1a_year": null,
    "source": "modiv_rutgers"
  }
]

API record·permalink

Sales history

9/12/2025$430,000
SR1A 2026Bk 24979 / Pg 58
9/4/2025$430,000
taxrecords_nj_ownersBk 24979 / Pg 58
5/6/2022$315,000
taxrecords_njBk 24402 / Pg 149
5/6/2022$315,000
SR1A 2022
3/30/2022$315,000
MOD-IV (Rutgers)Bk 24402 / Pg 149
11/10/1997$137,000
taxrecords_njBk 4665 / Pg 302
10/23/1997$137,000
MOD-IV (Rutgers)Bk 4665 / Pg 302
1/27/1994$1
taxrecords_njBk 3913 / Pg 20
12/8/1993$1
MOD-IV (Rutgers)Bk 3913 / Pg 20

Date	Price	Book / Page	Source
9/12/2025	$430,000	24979 / 58	SR1A 2026
9/4/2025	$430,000	24979 / 58	taxrecords_nj_owners
5/6/2022	$315,000	24402 / 149	taxrecords_nj
5/6/2022	$315,000	—	SR1A 2022
3/30/2022	$315,000	24402 / 149	MOD-IV (Rutgers)
11/10/1997	$137,000	4665 / 302	taxrecords_nj
10/23/1997	$137,000	4665 / 302	MOD-IV (Rutgers)
1/27/1994	$1	3913 / 20	taxrecords_nj
12/8/1993	$1	3913 / 20	MOD-IV (Rutgers)

Property

Tax & Assessment

Estimated market value

Bordering

Sales history

Deeds