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42 Castleton Road, Montgomery Twp, NJ — owner, sales, deeds · parceldata

42 Castleton Road

Montgomery Twp, NJ 08540·Somerset County

1813·block 37004·lot 1.54

$723,878estimated value

Last sale

$400,000

11/15/2007 · MOD-IV (Rutgers)

Property

Type

Residential 1-4 unit

Tax class

Residential 1-4 unit

Year built

1996

Building size

2,093 sq ft

Lot size

0.05 ac

Land description

.0468 AC

Building description

SFD

Dwelling / commercial units

1 dw / 0 comm

Tax & Assessment

Net assessed value

$360,700

Land value

$192,000

Improvement value

$168,700

Last year's tax

$12,592

Last MOD-IV sale

$4,000

MOD-IV deed date

11/15/2007

Owner mailing address

42 Castleton Road
Princeton, Nj 08540

Estimated market value

$723,878

range $663,384 – $797,085

high confidence

Assessment-implied: $641,358; Director's Ratio 0.5624 (2025)
Comp-implied: $751,385; 30 comparable sales

Based on 30 comparable sales

Address	Sold	Price
70 River Birch Circle	10/14/2025	$590,000
3 River Birch Circle	7/18/2025	$675,000
18 East Hartwick Drive	2/10/2025	$845,000
18 Grant Way	12/15/2024	$650,000

Bordering

200-ft notice list →

Princeton Avenue
Lot 1
41 Castleton Road
Lot 1.53·$354,200
43 Castleton Road
Lot 1.55·$349,100

Block 37004All of Block 37004 →

Debug — raw data per source

Computed

{
  "isCondoMaster": false,
  "condoCluster": null,
  "siblingUnitCount": 0,
  "portfolioCount": 0,
  "portfolioKeys": {
    "fullKeys": [
      "42 CASTLETON RD PRINCETON NJ 08540"
    ],
    "zipKeys": [
      "42 CASTLETON RD 08540"
    ]
  },
  "effective_unit_count": 1,
  "effective_unit_count_source": "MOD-IV"
}

MOD-IV

{
  "pams_pin": "1813_37004_1.54",
  "county_code": "18",
  "district_code": "13",
  "block": "37004",
  "lot": "1.54",
  "qualifier": "",
  "property_location": "42 Castleton Road",
  "property_class": "2",
  "bldg_class": "37",
  "bldg_desc": "SFD",
  "land_desc": ".0468 AC",
  "year_built": 1996,
  "living_sqft": 2093,
  "dwelling_units": 1,
  "comm_dwell": null,
  "land_value_cents": "19200000",
  "improvement_value_cents": "16870000",
  "net_value_cents": "36070000",
  "last_yr_tx_cents": "1259204",
  "deed_date": "2007-11-15",
  "deed_book": "06086",
  "deed_page": "00797",
  "sale_price_cents": "400000",
  "sales_code": "A",
  "owner_mailing_street": "42 Castleton Road",
  "owner_mailing_city_state_zip": "Princeton, Nj 08540",
  "mun_name": "MONTGOMERY TWP",
  "calc_acre": "0.046800",
  "add_lots1": null,
  "add_lots2": null,
  "prop_use": null,
  "fac_name": null,
  "centroid_lon": -74.64252797978156,
  "centroid_lat": 40.39395631732738
}

SR1A

[
  {
    "id": "8215d812-1176-4ae9-a49e-ffe8691e7463",
    "property_id": "51ddc12f-f2fd-4bce-bb59-a49e5d13a831",
    "county_code": "18",
    "district_code": "13",
    "block": "37004",
    "lot": "1.54",
    "qualifier": "",
    "deed_book": "6086",
    "deed_page": "797",
    "deed_date": "2007-11-15",
    "date_recorded": "2007-11-15",
    "sale_price_cents": "40000000",
    "sr1a_year": null,
    "source": "modiv_rutgers"
  },
  {
    "id": "1c5403dc-8f9d-4e05-9ea4-17626ae0f135",
    "property_id": "51ddc12f-f2fd-4bce-bb59-a49e5d13a831",
    "county_code": "18",
    "district_code": "13",
    "block": "37004",
    "lot": "1.54",
    "qualifier": "",
    "deed_book": "06086",
    "deed_page": "00797",
    "deed_date": "2007-11-15",
    "date_recorded": "2007-11-15",
    "sale_price_cents": "400000",
    "sr1a_year": null,
    "source": "taxdatahub"
  },
  {
    "id": "a91bb13a-8e52-45ed-bb5b-986de78debd6",
    "property_id": "51ddc12f-f2fd-4bce-bb59-a49e5d13a831",
    "county_code": "18",
    "district_code": "13",
    "block": "37004",
    "lot": "1.54",
    "qualifier": "",
    "deed_book": null,
    "deed_page": null,
    "deed_date": null,
    "date_recorded": "2004-01-22",
    "sale_price_cents": "34200000",
    "sr1a_year": null,
    "source": "taxdatahub"
  },
  {
    "id": "d77e6a92-5354-4ec2-bf5e-2b15b9bc1041",
    "property_id": "51ddc12f-f2fd-4bce-bb59-a49e5d13a831",
    "county_code": "18",
    "district_code": "13",
    "block": "37004",
    "lot": "1.54",
    "qualifier": "",
    "deed_book": "5604",
    "deed_page": "1739",
    "deed_date": "2004-01-22",
    "date_recorded": "2004-01-22",
    "sale_price_cents": "34200000",
    "sr1a_year": null,
    "source": "modiv_rutgers"
  },
  {
    "id": "a8c4b411-2e18-4666-a959-c21fba013654",
    "property_id": "51ddc12f-f2fd-4bce-bb59-a49e5d13a831",
    "county_code": "18",
    "district_code": "13",
    "block": "37004",
    "lot": "1.54",
    "qualifier": "",
    "deed_book": "5181",
    "deed_page": "1041",
    "deed_date": "2002-07-12",
    "date_recorded": "2002-07-12",
    "sale_price_cents": "29290000",
    "sr1a_year": null,
    "source": "modiv_rutgers"
  },
  {
    "id": "2f949d56-7505-4c26-96ac-64fc3d889787",
    "property_id": "51ddc12f-f2fd-4bce-bb59-a49e5d13a831",
    "county_code": "18",
    "district_code": "13",
    "block": "37004",
    "lot": "1.54",
    "qualifier": "",
    "deed_book": null,
    "deed_page": null,
    "deed_date": null,
    "date_recorded": "2002-07-12",
    "sale_price_cents": "29290000",
    "sr1a_year": null,
    "source": "taxdatahub"
  },
  {
    "id": "243f3def-5894-47aa-820e-d977f60e04a5",
    "property_id": "51ddc12f-f2fd-4bce-bb59-a49e5d13a831",
    "county_code": "18",
    "district_code": "13",
    "block": "37004",
    "lot": "1.54",
    "qualifier": "",
    "deed_book": "2030",
    "deed_page": "27",
    "deed_date": "1995-08-29",
    "date_recorded": "1995-08-29",
    "sale_price_cents": "18349000",
    "sr1a_year": null,
    "source": "modiv_rutgers"
  },
  {
    "id": "b4ca3024-4e8e-4dac-804a-ebd3ef9b13b2",
    "property_id": "51ddc12f-f2fd-4bce-bb59-a49e5d13a831",
    "county_code": "18",
    "district_code": "13",
    "block": "37004",
    "lot": "1.54",
    "qualifier": "",
    "deed_book": null,
    "deed_page": null,
    "deed_date": null,
    "date_recorded": "1995-08-29",
    "sale_price_cents": "18349000",
    "sr1a_year": null,
    "source": "taxdatahub"
  },
  {
    "id": "c7712d6b-fd17-4cb2-b73a-e4bbeed47616",
    "property_id": "51ddc12f-f2fd-4bce-bb59-a49e5d13a831",
    "county_code": "18",
    "district_code": "13",
    "block": "37004",
    "lot": "1.54",
    "qualifier": "",
    "deed_book": null,
    "deed_page": null,
    "deed_date": null,
    "date_recorded": "1994-10-14",
    "sale_price_cents": "24741200",
    "sr1a_year": null,
    "source": "taxdatahub"
  },
  {
    "id": "f07399bb-8505-47d7-bee7-efb302430562",
    "property_id": "51ddc12f-f2fd-4bce-bb59-a49e5d13a831",
    "county_code": "18",
    "district_code": "13",
    "block": "37004",
    "lot": "1.54",
    "qualifier": "",
    "deed_book": "1981",
    "deed_page": "225",
    "deed_date": "1994-10-14",
    "date_recorded": "1994-10-14",
    "sale_price_cents": "24741200",
    "sr1a_year": null,
    "source": "modiv_rutgers"
  },
  {
    "id": "0d703e54-dfa3-4960-bc30-8bd1fb77be01",
    "property_id": "51ddc12f-f2fd-4bce-bb59-a49e5d13a831",
    "county_code": "18",
    "district_code": "13",
    "block": "37004",
    "lot": "1.54",
    "qualifier": "",
    "deed_book": "1832",
    "deed_page": "505",
    "deed_date": "1991-09-30",
    "date_recorded": "1991-09-30",
    "sale_price_cents": "100",
    "sr1a_year": null,
    "source": "modiv_rutgers"
  },
  {
    "id": "e0e0dddb-58b9-449b-b6d9-61bac2e93f91",
    "property_id": "51ddc12f-f2fd-4bce-bb59-a49e5d13a831",
    "county_code": "18",
    "district_code": "13",
    "block": "37004",
    "lot": "1.54",
    "qualifier": "",
    "deed_book": null,
    "deed_page": null,
    "deed_date": null,
    "date_recorded": "1991-09-30",
    "sale_price_cents": "100",
    "sr1a_year": null,
    "source": "taxdatahub"
  }
]

API record·permalink

Sales history

11/15/2007$400,000
MOD-IV (Rutgers)Bk 6086 / Pg 797
11/15/2007$4,000
TaxDataHubBk 06086 / Pg 00797
1/22/2004$342,000
TaxDataHub
1/22/2004$342,000
MOD-IV (Rutgers)Bk 5604 / Pg 1739
7/12/2002$292,900
MOD-IV (Rutgers)Bk 5181 / Pg 1041
7/12/2002$292,900
TaxDataHub
8/29/1995$183,490
MOD-IV (Rutgers)Bk 2030 / Pg 27
8/29/1995$183,490
TaxDataHub
10/14/1994$247,412
TaxDataHub
10/14/1994$247,412
MOD-IV (Rutgers)Bk 1981 / Pg 225
9/30/1991$1
MOD-IV (Rutgers)Bk 1832 / Pg 505
9/30/1991$1
TaxDataHub

Date	Price	Book / Page	Source
11/15/2007	$400,000	6086 / 797	MOD-IV (Rutgers)
11/15/2007	$4,000	06086 / 00797	TaxDataHub
1/22/2004	$342,000	—	TaxDataHub
1/22/2004	$342,000	5604 / 1739	MOD-IV (Rutgers)
7/12/2002	$292,900	5181 / 1041	MOD-IV (Rutgers)
7/12/2002	$292,900	—	TaxDataHub
8/29/1995	$183,490	2030 / 27	MOD-IV (Rutgers)
8/29/1995	$183,490	—	TaxDataHub
10/14/1994	$247,412	—	TaxDataHub

Property

Tax & Assessment

Estimated market value

Bordering

Sales history

Deeds