When was 4 William St, Rockaway Twp, NJ last sold?

The most recent recorded sale was in 2017 for $268,500.

What is the assessed value of 4 William St, Rockaway Twp, NJ?

The total municipal assessment is $376,500 (land plus improvements).

What is 4 William St, Rockaway Twp, NJ worth?

Our model estimates a market value of $501,027, derived from comparable recorded sales nearby.

How many units does 4 William St, Rockaway Twp, NJ have?

Records show 1 dwelling unit at 4 William St, Rockaway Twp, NJ.

What kind of property is 4 William St, Rockaway Twp, NJ?

MOD-IV classifies it as Residential 1-4 unit (class 2). Year built: 1974.

parceldata.nj

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4 William St, Rockaway Twp, NJ — owner, sales, deeds · parceldata

4 William St

Rockaway Twp, NJ 07866·Morris County

1435·block 22004·lot 47

$501,027estimated value

Last sale

$268,500

9/22/2017 · taxrecords_nj

Property

Type

Residential 1-4 unit

Tax class

Residential 1-4 unit

Year built

1974

Building size

1,200 sq ft

Lot size

0.17 ac

Land description

.172 AC

Building description

2SF

Dwelling / commercial units

1 dw / 0 comm

Tax & Assessment

Net assessed value

$376,500

Land value

$227,000

Improvement value

$149,500

Last year's tax

$8,651

Last MOD-IV sale

$268,500

MOD-IV deed date

9/13/2017

Owner mailing address

4 WILLIAM ST
ROCKAWAY, NJ 07866

Estimated market value

$501,027

range $484,181 – $551,924

high confidence

Assessment-implied: $449,230; Director's Ratio 0.8381 (2025)
Comp-implied: $518,293; 30 comparable sales

Estimated value, last 11 years

2016: $320,657 → 2026: $501,027

dots are actual sale prices for this property

Bordering

200-ft notice list →

7 Ellen Dr
Lot 1·$428,200
6 William St
Lot 46·$425,600
5 Ellen Dr
Lot 48·$454,500

Block 22004All of Block 22004 →

Debug — raw data per source

Computed

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

MOD-IV

{
  "pams_pin": "1435_22004_47",
  "county_code": "14",
  "district_code": "35",
  "block": "22004",
  "lot": "47",
  "qualifier": "",
  "property_location": "4 WILLIAM ST",
  "property_class": "2",
  "bldg_class": "17",
  "bldg_desc": "2SF",
  "land_desc": ".172 AC",
  "year_built": 1974,
  "living_sqft": 1200,
  "dwelling_units": 1,
  "comm_dwell": null,
  "land_value_cents": "22700000",
  "improvement_value_cents": "14950000",
  "net_value_cents": "37650000",
  "last_yr_tx_cents": "865094",
  "deed_date": "2017-09-13",
  "deed_book": "23210",
  "deed_page": "1028",
  "sale_price_cents": "26850000",
  "sales_code": null,
  "owner_mailing_street": "4 WILLIAM ST",
  "owner_mailing_city_state_zip": "ROCKAWAY, NJ  07866",
  "mun_name": "ROCKAWAY TWP",
  "calc_acre": "0.172000",
  "add_lots1": null,
  "add_lots2": null,
  "prop_use": null,
  "fac_name": null,
  "centroid_lon": -74.50692784319175,
  "centroid_lat": 40.91355572435596
}

SR1A

[
  {
    "id": "99e5fb9b-e951-401e-aaef-d17eb8c606d7",
    "property_id": "8a052847-8f5d-4f1a-ab60-b6b6604b9771",
    "county_code": "14",
    "district_code": "35",
    "block": "22004",
    "lot": "47",
    "qualifier": "",
    "deed_book": "23210",
    "deed_page": "1028",
    "deed_date": "2017-09-13",
    "date_recorded": "2017-09-22",
    "sale_price_cents": "26850000",
    "sr1a_year": null,
    "source": "taxrecords_nj"
  },
  {
    "id": "912d5a8b-e7ed-433e-bf52-029308f05984",
    "property_id": "8a052847-8f5d-4f1a-ab60-b6b6604b9771",
    "county_code": "14",
    "district_code": "35",
    "block": "22004",
    "lot": "47",
    "qualifier": "",
    "deed_book": "23210",
    "deed_page": "1028",
    "deed_date": "2017-09-13",
    "date_recorded": "2017-09-13",
    "sale_price_cents": "26850000",
    "sr1a_year": null,
    "source": "modiv_rutgers"
  },
  {
    "id": "25e9782f-4564-4d97-b470-640ecadcb46a",
    "property_id": "8a052847-8f5d-4f1a-ab60-b6b6604b9771",
    "county_code": "14",
    "district_code": "35",
    "block": "22004",
    "lot": "47",
    "qualifier": "",
    "deed_book": "6448",
    "deed_page": "73",
    "deed_date": "2005-07-29",
    "date_recorded": "2005-09-30",
    "sale_price_cents": "32000000",
    "sr1a_year": null,
    "source": "taxrecords_nj"
  },
  {
    "id": "8dfe2f52-ce51-42c4-a368-1c35ae93589e",
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    "county_code": "14",
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    "qualifier": "",
    "deed_book": "6448",
    "deed_page": "73",
    "deed_date": "2005-07-29",
    "date_recorded": "2005-07-29",
    "sale_price_cents": "32000000",
    "sr1a_year": null,
    "source": "modiv_rutgers"
  },
  {
    "id": "af4cc790-cff2-4804-8b8e-1f0b04e1345e",
    "property_id": "8a052847-8f5d-4f1a-ab60-b6b6604b9771",
    "county_code": "14",
    "district_code": "35",
    "block": "22004",
    "lot": "47",
    "qualifier": "",
    "deed_book": "5668",
    "deed_page": "34",
    "deed_date": "2002-07-25",
    "date_recorded": "2002-07-29",
    "sale_price_cents": "22700000",
    "sr1a_year": null,
    "source": "taxrecords_nj"
  },
  {
    "id": "8520433c-c7d0-425f-be03-14019f3e6d4e",
    "property_id": "8a052847-8f5d-4f1a-ab60-b6b6604b9771",
    "county_code": "14",
    "district_code": "35",
    "block": "22004",
    "lot": "47",
    "qualifier": "",
    "deed_book": "5668",
    "deed_page": "34",
    "deed_date": "2002-07-25",
    "date_recorded": "2002-07-25",
    "sale_price_cents": "22700000",
    "sr1a_year": null,
    "source": "modiv_rutgers"
  },
  {
    "id": "72b76738-1917-492e-a0b1-e906e931430c",
    "property_id": "8a052847-8f5d-4f1a-ab60-b6b6604b9771",
    "county_code": "14",
    "district_code": "35",
    "block": "22004",
    "lot": "47",
    "qualifier": "",
    "deed_book": "5059",
    "deed_page": "318",
    "deed_date": "1999-09-07",
    "date_recorded": "1999-09-24",
    "sale_price_cents": "15350000",
    "sr1a_year": null,
    "source": "taxrecords_nj"
  },
  {
    "id": "0044accb-0bd0-4a6e-b1a0-16e5c769170b",
    "property_id": "8a052847-8f5d-4f1a-ab60-b6b6604b9771",
    "county_code": "14",
    "district_code": "35",
    "block": "22004",
    "lot": "47",
    "qualifier": "",
    "deed_book": "5059",
    "deed_page": "318",
    "deed_date": "1999-09-07",
    "date_recorded": "1999-09-07",
    "sale_price_cents": "15350000",
    "sr1a_year": null,
    "source": "modiv_rutgers"
  },
  {
    "id": "3a9e6eb9-daa2-47b1-bf0d-dbfef3d52985",
    "property_id": "8a052847-8f5d-4f1a-ab60-b6b6604b9771",
    "county_code": "14",
    "district_code": "35",
    "block": "22004",
    "lot": "47",
    "qualifier": "",
    "deed_book": "4160",
    "deed_page": "225",
    "deed_date": "1995-03-24",
    "date_recorded": "1995-03-30",
    "sale_price_cents": "13250000",
    "sr1a_year": null,
    "source": "taxrecords_nj"
  },
  {
    "id": "e7ee8bb8-84cb-4ebf-b3a9-d390e3acb1f3",
    "property_id": "8a052847-8f5d-4f1a-ab60-b6b6604b9771",
    "county_code": "14",
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    "qualifier": "",
    "deed_book": "4160",
    "deed_page": "225",
    "deed_date": "1995-03-24",
    "date_recorded": "1995-03-24",
    "sale_price_cents": "13250000",
    "sr1a_year": null,
    "source": "modiv_rutgers"
  }
]

API record·permalink

Frequently asked questions

When was 4 William St, Rockaway Twp, NJ last sold?: The most recent recorded sale was in 2017 for $268,500.
What is the assessed value of 4 William St, Rockaway Twp, NJ?: The total municipal assessment is $376,500 (land plus improvements).
What is 4 William St, Rockaway Twp, NJ worth?: Our model estimates a market value of $501,027, derived from comparable recorded sales nearby.
How many units does 4 William St, Rockaway Twp, NJ have?: Records show 1 dwelling unit at 4 William St, Rockaway Twp, NJ.
What kind of property is 4 William St, Rockaway Twp, NJ?: MOD-IV classifies it as Residential 1-4 unit (class 2). Year built: 1974.

Based on 30 comparable sales

Address	Sold	Price
216 Jackson Ave	4/20/2026	$585,000
D4 Richard Mine Rd	3/20/2026	$285,000
53 White Meadow Rd	3/18/2026	$425,000
120 Cayuga Ave	2/10/2026	$355,000
V2 Richard Mine Rd	2/6/2026	$275,000
P7 Richard Mine Rd	1/27/2026	$268,000
10 Katherine Rd	1/21/2026	$500,000
F9 Richard Mine Rd	12/19/2025	$245,000
2 Anderson Ave	12/19/2025	$455,000
11 Oneida Ave	12/17/2025	$590,000
33 Highland Ave	12/11/2025	$530,000
Z6 Richard Mine Rd	12/3/2025	$320,000
18 Delaware Ave	11/24/2025	$400,000
S5 Richard Mine Rd	11/19/2025	$240,000
64 Erie Ave	10/28/2025	$520,000
178 White Meadow Rd	10/23/2025	$520,000
P2 Richard Mine Rd	10/20/2025	$299,000
135 Oak St	10/7/2025	$560,000
L3 Richard Mine Rd	9/22/2025	$245,000
14 George St	9/22/2025	$476,000
216 Jackson Ave	9/11/2025	$325,000
34 Mohawk Ave	9/11/2025	$570,000
F11 Richard Mine Rd	9/10/2025	$285,000
H3 Richard Mine Rd	9/5/2025	$275,000
11 Highland Ave	9/3/2025	$466,000
4 Homestead Way	8/28/2025	$498,000
60 Algonquin Ave	8/27/2025	$610,000
28 Barry Dr	8/25/2025	$635,000
11 Wynding Way	8/25/2025	$581,000
N5 Richard Mine Rd	7/9/2025	$240,000

Sales history

9/22/2017$268,500
taxrecords_njBk 23210 / Pg 1028
9/13/2017$268,500
MOD-IV (Rutgers)Bk 23210 / Pg 1028
9/30/2005$320,000
taxrecords_njBk 6448 / Pg 73
7/29/2005$320,000
MOD-IV (Rutgers)Bk 6448 / Pg 73
7/29/2002$227,000
taxrecords_njBk 5668 / Pg 34
7/25/2002$227,000
MOD-IV (Rutgers)Bk 5668 / Pg 34
9/24/1999$153,500
taxrecords_njBk 5059 / Pg 318
9/7/1999$153,500
MOD-IV (Rutgers)Bk 5059 / Pg 318
3/30/1995$132,500
taxrecords_njBk 4160 / Pg 225
3/24/1995$132,500
MOD-IV (Rutgers)Bk 4160 / Pg 225

Date	Price	Book / Page	Source
9/22/2017	$268,500	23210 / 1028	taxrecords_nj
9/13/2017	$268,500	23210 / 1028	MOD-IV (Rutgers)
9/30/2005	$320,000	6448 / 73	taxrecords_nj
7/29/2005	$320,000	6448 / 73	MOD-IV (Rutgers)
7/29/2002	$227,000	5668 / 34	taxrecords_nj
7/25/2002	$227,000	5668 / 34	MOD-IV (Rutgers)
9/24/1999	$153,500	5059 / 318	taxrecords_nj
9/7/1999	$153,500	5059 / 318	MOD-IV (Rutgers)
3/30/1995	$132,500	4160 / 225	taxrecords_nj