When was 21 Kiel Ave, Butler Boro, NJ last sold?

The most recent recorded sale was in 1999 for $146,000.

What is the assessed value of 21 Kiel Ave, Butler Boro, NJ?

The total municipal assessment is $376,300 (land plus improvements).

What is 21 Kiel Ave, Butler Boro, NJ worth?

Our model estimates a market value of $544,020, derived from comparable recorded sales nearby.

How many units does 21 Kiel Ave, Butler Boro, NJ have?

Records show 2 dwelling units at 21 Kiel Ave, Butler Boro, NJ.

What kind of property is 21 Kiel Ave, Butler Boro, NJ?

MOD-IV classifies it as Residential 1-4 unit (class 2). Year built: 1903.

parceldata.nj

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21 Kiel Ave, Butler Boro, NJ — owner, sales, deeds · parceldata

21 Kiel Ave

Butler Boro, NJ·Morris County

1403·block 40·lot 26

$544,020estimated value

Units

from MOD-IV (2-char max)

Last sale

$146,000

7/8/1999 · taxrecords_nj

1 other property share this owner's mailing address.View portfolio →

Property

Type

Residential 1-4 unit

Tax class

Residential 1-4 unit

Year built

1903

Building size

1,712 sq ft

Lot size

0.24 ac

Land description

46X230

Building description

2S-F-O-2U

Dwelling / commercial units

2 dw / 0 comm

Tax & Assessment

Net assessed value

$376,300

Land value

$178,800

Improvement value

$197,500

Last year's tax

$8,879

Last MOD-IV sale

$146,000

MOD-IV deed date

6/23/1999

Owner mailing address

PO BOX 531
MT FREEDOM, NJ 07970

Estimated market value

$544,020

range $476,837 – $599,165

low confidence

Assessment-implied: $432,529; Director's Ratio 0.8700 (2025)
Comp-implied: $581,184; 28 comparable sales

Estimated value, last 11 years

2016: $307,067 → 2026: $544,020

Based on 28 comparable sales

Address	Sold	Price
21 Spring St	12/29/2025	$850,000
114 Bartholdi Ave	12/2/2025	$600,000

Bordering

200-ft notice list →

23 Kiel Ave
Lot 25·$376,300
17 Kiel Ave
Lot 27·$860,300
10 W Belleview Ave
Lot 41·$339,900
14 W Belleview Ave
Lot 42·$326,500

Block 40All of Block 40 →

Debug — raw data per source

Computed

{
  "isCondoMaster": false,
  "condoCluster": null,
  "siblingUnitCount": 0,
  "portfolioCount": 1,
  "portfolioKeys": {
    "fullKeys": [
      "PO BOX 531 MT FREEDOM NJ 07970"
    ],
    "zipKeys": [
      "PO BOX 531 07970"
    ]
  },
  "effective_unit_count": 2,
  "effective_unit_count_source": "MOD-IV"
}

MOD-IV

{
  "pams_pin": "1403_40_26",
  "county_code": "14",
  "district_code": "03",
  "block": "40",
  "lot": "26",
  "qualifier": "",
  "property_location": "21 KIEL AVE",
  "property_class": "2",
  "bldg_class": "45",
  "bldg_desc": "2S-F-O-2U",
  "land_desc": "46X230",
  "year_built": 1903,
  "living_sqft": 1712,
  "dwelling_units": 2,
  "comm_dwell": null,
  "land_value_cents": "17880000",
  "improvement_value_cents": "19750000",
  "net_value_cents": "37630000",
  "last_yr_tx_cents": "887933",
  "deed_date": "1999-06-23",
  "deed_book": "5007",
  "deed_page": "121",
  "sale_price_cents": "14600000",
  "sales_code": null,
  "owner_mailing_street": "PO BOX 531",
  "owner_mailing_city_state_zip": "MT FREEDOM, NJ  07970",
  "mun_name": "BUTLER BORO",
  "calc_acre": "0.243000",
  "add_lots1": null,
  "add_lots2": null,
  "prop_use": null,
  "fac_name": null,
  "centroid_lon": -74.34252338190852,
  "centroid_lat": 41.00138752718581
}

SR1A

[
  {
    "id": "fe4acf0d-0693-445b-a7c4-9ffd813a8d87",
    "property_id": "751377c5-da31-44d1-a30a-4f46d2cb5fba",
    "county_code": "14",
    "district_code": "03",
    "block": "40",
    "lot": "26",
    "qualifier": "",
    "deed_book": "5007",
    "deed_page": "121",
    "deed_date": "1999-06-23",
    "date_recorded": "1999-07-08",
    "sale_price_cents": "14600000",
    "sr1a_year": null,
    "source": "taxrecords_nj"
  },
  {
    "id": "6ddd3245-7e1e-4a1c-bc45-fa2fdb069d69",
    "property_id": "751377c5-da31-44d1-a30a-4f46d2cb5fba",
    "county_code": "14",
    "district_code": "03",
    "block": "40",
    "lot": "26",
    "qualifier": "",
    "deed_book": "5007",
    "deed_page": "121",
    "deed_date": "1999-06-23",
    "date_recorded": "1999-06-23",
    "sale_price_cents": "14600000",
    "sr1a_year": null,
    "source": "modiv_rutgers"
  }
]

API record·permalink

Frequently asked questions

When was 21 Kiel Ave, Butler Boro, NJ last sold?: The most recent recorded sale was in 1999 for $146,000.
What is the assessed value of 21 Kiel Ave, Butler Boro, NJ?: The total municipal assessment is $376,300 (land plus improvements).
What is 21 Kiel Ave, Butler Boro, NJ worth?: Our model estimates a market value of $544,020, derived from comparable recorded sales nearby.
How many units does 21 Kiel Ave, Butler Boro, NJ have?: Records show 2 dwelling units at 21 Kiel Ave, Butler Boro, NJ.
What kind of property is 21 Kiel Ave, Butler Boro, NJ?: MOD-IV classifies it as Residential 1-4 unit (class 2). Year built: 1903.

Sales history

7/8/1999$146,000
taxrecords_njBk 5007 / Pg 121
6/23/1999$146,000
MOD-IV (Rutgers)Bk 5007 / Pg 121

Date	Price	Book / Page	Source
7/8/1999	$146,000	5007 / 121	taxrecords_nj
6/23/1999	$146,000	5007 / 121	MOD-IV (Rutgers)