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51 Union St, Rockaway Boro, NJ — owner, sales, deeds · parceldata

51 Union St

Rockaway Boro, NJ 07866·Morris County

1434·block 10·lot 3

$479,043estimated value

Last sale

$302,500

1/28/2019 · taxrecords_nj

Property

Type

Residential 1-4 unit

Tax class

Residential 1-4 unit

Year built

1920

Building size

1,440 sq ft

Lot size

0.11 ac

Land description

50X100

Building description

1.5S-F-F-UG

Dwelling / commercial units

1 dw / 0 comm

Tax & Assessment

Net assessed value

$290,700

Land value

$139,200

Improvement value

$151,500

Last year's tax

$9,666

Last MOD-IV sale

$302,500

MOD-IV deed date

12/21/2018

Owner mailing address

51 UNION ST
ROCKAWAY, NJ 07866

Estimated market value

$479,043

range $377,390 – $635,837

high confidence

Assessment-implied: $432,203; Director's Ratio 0.6726 (2025)
Comp-implied: $494,656; 29 comparable sales

Based on 29 comparable sales

Address	Sold	Price
18 Garden Ave	1/29/2026	$540,000
39 Valley View Rd	11/6/2025	$575,000
196 Franklin Ave	10/30/2025	$400,000
14 Valley View Rd	10/24/2025	$470,000

Bordering

200-ft notice list →

28 Cobb St
Lot 14·$270,500
57 Union St
Lot 2·$256,900
49 Union St
Lot 4·$189,300
169 Church St
Lot 5·$281,200

Block 10All of Block 10 →

Debug — raw data per source

Computed

{
  "isCondoMaster": false,
  "condoCluster": null,
  "siblingUnitCount": 0,
  "portfolioCount": 0,
  "portfolioKeys": {
    "fullKeys": [
      "51 UNION ST ROCKAWAY NJ 07866"
    ],
    "zipKeys": [
      "51 UNION ST 07866"
    ]
  },
  "effective_unit_count": 1,
  "effective_unit_count_source": "MOD-IV"
}

MOD-IV

{
  "pams_pin": "1434_10_3",
  "county_code": "14",
  "district_code": "34",
  "block": "10",
  "lot": "3",
  "qualifier": "",
  "property_location": "51 UNION ST",
  "property_class": "2",
  "bldg_class": "17",
  "bldg_desc": "1.5S-F-F-UG",
  "land_desc": "50X100",
  "year_built": 1920,
  "living_sqft": 1440,
  "dwelling_units": 1,
  "comm_dwell": null,
  "land_value_cents": "13920000",
  "improvement_value_cents": "15150000",
  "net_value_cents": "29070000",
  "last_yr_tx_cents": "966578",
  "deed_date": "2018-12-21",
  "deed_book": "23484",
  "deed_page": "633",
  "sale_price_cents": "30250000",
  "sales_code": null,
  "owner_mailing_street": "51 UNION ST",
  "owner_mailing_city_state_zip": "ROCKAWAY, NJ  07866",
  "mun_name": "ROCKAWAY BORO",
  "calc_acre": "0.114800",
  "add_lots1": null,
  "add_lots2": null,
  "prop_use": null,
  "fac_name": null,
  "centroid_lon": -74.5078847400881,
  "centroid_lat": 40.90510488598932
}

SR1A

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    "block": "10",
    "lot": "3",
    "qualifier": "",
    "deed_book": "23484",
    "deed_page": "633",
    "deed_date": "2018-12-21",
    "date_recorded": "2019-01-28",
    "sale_price_cents": "30250000",
    "sr1a_year": null,
    "source": "taxrecords_nj"
  },
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    "deed_book": "23249",
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    "sr1a_year": null,
    "source": "modiv_rutgers"
  }
]

API record·permalink

Sales history

1/28/2019$302,500
taxrecords_njBk 23484 / Pg 633
12/21/2018$302,500
MOD-IV (Rutgers)Bk 23484 / Pg 633
11/28/2017$144,777
taxrecords_njBk 23249 / Pg 122
11/28/2017$149,000
taxrecords_njBk 23249 / Pg 128
9/29/2017$149,000
MOD-IV (Rutgers)Bk 23249 / Pg 128
9/7/2017$10
taxrecords_njBk 23201 / Pg 53
3/17/2016$10
MOD-IV (Rutgers)Bk 23201 / Pg 53
2/9/2016$100
taxrecords_njBk 22857 / Pg 1506
12/21/2015$100
MOD-IV (Rutgers)Bk 22857 / Pg 1506
4/9/2009$230,000
taxrecords_njBk 21263 / Pg 177
3/9/2009$230,000
MOD-IV (Rutgers)Bk 21263 / Pg 177
12/31/2008$1
taxrecords_njBk 21202 / Pg 1141
8/3/2006$415,000
taxrecords_njBk 20581 / Pg 1660
7/17/2006$415,000
MOD-IV (Rutgers)Bk 20581 / Pg 1660
7/7/1997$133,000
taxrecords_njBk 4594 / Pg 190
6/24/1997$133,000
MOD-IV (Rutgers)Bk 4594 / Pg 190
3/4/1994$1
taxrecords_njBk 3935 / Pg 57
2/25/1994$1
MOD-IV (Rutgers)Bk 3935 / Pg 57

Date	Price	Book / Page	Source
1/28/2019	$302,500	23484 / 633	taxrecords_nj
12/21/2018	$302,500	23484 / 633	MOD-IV (Rutgers)
11/28/2017	$144,777	23249 / 122	taxrecords_nj
11/28/2017	$149,000	23249 / 128	taxrecords_nj
9/29/2017	$149,000	23249 / 128	MOD-IV (Rutgers)
9/7/2017	$10	23201 / 53	taxrecords_nj
3/17/2016	$10	23201 / 53	MOD-IV (Rutgers)
2/9/2016	$100	22857 / 1506	taxrecords_nj
12/21/2015	$100	22857 / 1506	MOD-IV (Rutgers)

Property

Tax & Assessment

Estimated market value

Bordering

Sales history

Deeds