When was 640 Prospect Ave, Princeton, NJ last sold?

The most recent recorded sale was in 2016 for $1,247,500.

What is the assessed value of 640 Prospect Ave, Princeton, NJ?

The total municipal assessment is $893,000 (land plus improvements).

What is 640 Prospect Ave, Princeton, NJ worth?

Our model estimates a market value of $1,242,527, derived from comparable recorded sales nearby.

How many units does 640 Prospect Ave, Princeton, NJ have?

Records show 1 dwelling unit at 640 Prospect Ave, Princeton, NJ.

What kind of property is 640 Prospect Ave, Princeton, NJ?

MOD-IV classifies it as Residential 1-4 unit (class 2). Year built: 1950.

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640 Prospect Ave, Princeton, NJ — owner, sales, deeds · parceldata

640 Prospect Ave

Princeton, NJ 08540·Mercer County

1114·block 5902·lot 16

$1,242,527estimated value

Last sale

$1,247,500

11/14/2016 · MOD-IV (Rutgers)

2 other properties share this owner's mailing address.View portfolio →

Property

Type

Residential 1-4 unit

Tax class

Residential 1-4 unit

Year built

1950

Building size

—

Lot size

0.49 ac

Land description

0.49A

Building description

1.5S F 1G

Dwelling / commercial units

1 dw / 0 comm

Tax & Assessment

Net assessed value

$893,000

Land value

$548,000

Improvement value

$345,000

Last year's tax

$23,781

Last MOD-IV sale

$1,247,500

MOD-IV deed date

11/14/2016

Owner mailing address

640 PROSPECT AVE
PRINCETON NJ 08540

Estimated market value

$1,242,527

range $959,191 – $1,824,362

moderate confidence

Assessment-implied: $1,425,607; Director's Ratio 0.6264 (2025)
Comp-implied: $1,181,500; 30 comparable sales

Estimated value, last 11 years

2016: $818,687 → 2026: $1,242,527

dots are actual sale prices for this property

Based on 30 comparable sales

Address	Sold	Price
22 Valley Rd	2/2/2026	$950,000

Bordering

200-ft notice list →

17 Evergreen Circle
Lot 14·$765,100
630 Prospect Avenue
Lot 15·$943,800
31 Carnegie Dr
Lot 17·$609,400

Block 5902All of Block 5902 →

Debug — raw data per source

Computed

{
  "isCondoMaster": false,
  "condoCluster": null,
  "siblingUnitCount": 0,
  "portfolioCount": 2,
  "portfolioKeys": {
    "fullKeys": [
      "640 PROSPECT AVE PRINCETON NJ 08540"
    ],
    "zipKeys": [
      "640 PROSPECT AVE 08540"
    ]
  },
  "effective_unit_count": 1,
  "effective_unit_count_source": "MOD-IV"
}

MOD-IV

{
  "pams_pin": "1114_5902_16",
  "county_code": "11",
  "district_code": "14",
  "block": "5902",
  "lot": "16",
  "qualifier": "",
  "property_location": "640 PROSPECT AVE",
  "property_class": "2",
  "bldg_class": "18",
  "bldg_desc": "1.5S F 1G",
  "land_desc": "0.49A",
  "year_built": 1950,
  "living_sqft": null,
  "dwelling_units": 1,
  "comm_dwell": null,
  "land_value_cents": "54800000",
  "improvement_value_cents": "34500000",
  "net_value_cents": "89300000",
  "last_yr_tx_cents": "2378059",
  "deed_date": "2016-11-14",
  "deed_book": "06267",
  "deed_page": "01991",
  "sale_price_cents": "124750000",
  "sales_code": "Z",
  "owner_mailing_street": "640 PROSPECT AVE",
  "owner_mailing_city_state_zip": "PRINCETON NJ 08540",
  "mun_name": "PRINCETON",
  "calc_acre": "0.490000",
  "add_lots1": null,
  "add_lots2": null,
  "prop_use": null,
  "fac_name": null,
  "centroid_lon": -74.62888506222279,
  "centroid_lat": 40.36131636448071
}

SR1A

[
  {
    "id": "2c38298f-ff28-475c-8415-2540d64e8421",
    "property_id": "37c367fb-948f-495c-a17b-f23198609b21",
    "county_code": "11",
    "district_code": "14",
    "block": "5902",
    "lot": "16",
    "qualifier": "",
    "deed_book": "6267",
    "deed_page": "1991",
    "deed_date": "2016-11-14",
    "date_recorded": "2016-11-14",
    "sale_price_cents": "124750000",
    "sr1a_year": null,
    "source": "modiv_rutgers"
  },
  {
    "id": "781fda4c-50ee-406f-907b-c7593fe11de4",
    "property_id": "37c367fb-948f-495c-a17b-f23198609b21",
    "county_code": "11",
    "district_code": "14",
    "block": "5902",
    "lot": "16",
    "qualifier": "",
    "deed_book": "6208",
    "deed_page": "1755",
    "deed_date": "2014-12-02",
    "date_recorded": "2014-12-02",
    "sale_price_cents": "70000000",
    "sr1a_year": null,
    "source": "modiv_rutgers"
  },
  {
    "id": "d17ec7d4-ba81-458a-ab28-1b62a6832dcc",
    "property_id": "37c367fb-948f-495c-a17b-f23198609b21",
    "county_code": "11",
    "district_code": "14",
    "block": "5902",
    "lot": "16",
    "qualifier": "",
    "deed_book": "6160",
    "deed_page": "1653",
    "deed_date": "2012-11-21",
    "date_recorded": "2012-11-21",
    "sale_price_cents": "100",
    "sr1a_year": null,
    "source": "modiv_rutgers"
  }
]

API record·permalink

Frequently asked questions

When was 640 Prospect Ave, Princeton, NJ last sold?: The most recent recorded sale was in 2016 for $1,247,500.
What is the assessed value of 640 Prospect Ave, Princeton, NJ?: The total municipal assessment is $893,000 (land plus improvements).
What is 640 Prospect Ave, Princeton, NJ worth?: Our model estimates a market value of $1,242,527, derived from comparable recorded sales nearby.
How many units does 640 Prospect Ave, Princeton, NJ have?: Records show 1 dwelling unit at 640 Prospect Ave, Princeton, NJ.
What kind of property is 640 Prospect Ave, Princeton, NJ?: MOD-IV classifies it as Residential 1-4 unit (class 2). Year built: 1950.

Sales history

11/14/2016$1,247,500
MOD-IV (Rutgers)Bk 6267 / Pg 1991
12/2/2014$700,000
MOD-IV (Rutgers)Bk 6208 / Pg 1755
11/21/2012$1
MOD-IV (Rutgers)Bk 6160 / Pg 1653

Date	Price	Book / Page	Source
11/14/2016	$1,247,500	6267 / 1991	MOD-IV (Rutgers)
12/2/2014	$700,000	6208 / 1755	MOD-IV (Rutgers)
11/21/2012	$1	6160 / 1653	MOD-IV (Rutgers)