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21 Island Trl

Sparta, NJ 07871

4 bd 4 ba Built 1932 Lot 39,640 sqft single_family
No recorded sales

Location

Timeline: Sale, Listing & Tax History

Recorded events

No recorded events

No sale or listing events are on file for this property.

Tax assessment history

YearBuildingLandTotal assessedTax paid
2025 $460,100 $977,500 $1,437,600 $52,731
2024 $460,100 $977,500 $1,437,600 $51,595
2023 $460,100 $977,500 $1,437,600 $50,114
2022 $380,900 $977,500 $1,358,400 $46,212
2021 $380,900 $977,500 $1,358,400 $45,479
2020 $380,900 $977,500 $1,358,400 $46,185
2019 $528,600 $977,500 $1,506,100 $49,882
2018 $528,600 $977,500 $1,506,100 $48,827
2017 $528,600 $977,500 $1,506,100 $48,225
2016 $528,600 $977,500 $1,506,100 $47,095
2015 $404,000 $614,100 $1,018,100 $39,593
2014 $404,000 $614,100 $1,018,100 $38,952
2013 $404,000 $614,100 $1,018,100 $38,127
2012 $404,000 $614,100 $1,018,100 $37,201
2011 $404,000 $614,100 $1,018,100 $35,776
2009 $404,000 $614,100 $1,018,100 $31,805
2008 $404,000 $614,100 $1,018,100 $30,380
2007 $404,000 $614,100 $1,018,100 $29,219

Property facts

Year built
1932
Property type
single_family
Stories
Beds
4
Baths
4
Living area
Lot size
39,640 sqft
ZIP code
07871
City
Sparta
Street
Island Trl
Coordinates
41.02609, -74.65332

Block-level micro-comps

Same street, ±3 house numbers, sold in the last 24 months

Frequently asked questions

When did 21 Island Trl last sell?
No public-record sale is on file for 21 Island Trl.
What is the current tax assessment for 21 Island Trl?
The most recent total assessment for 21 Island Trl (year 2025) is $1,437,600 with $52,731 in property tax.
When was 21 Island Trl built?
21 Island Trl was built in 1932.
How does 21 Island Trl compare to others on Island Trl?
We track 8 other properties on Island Trl. Browse the list under "Other properties on Island Trl" to compare beds, baths, and sale history.
What are the property facts for 21 Island Trl?
21 Island Trl is a 4 bed, 4 bath, 39,640 sqft lot single_family.
Is 21 Island Trl a flip candidate?
No — 21 Island Trl does not appear in our flips dataset.
Is 21 Island Trl a tax-appeal candidate?
No — 21 Island Trl is not currently flagged as a tax-appeal candidate.

Forecast for this area

ZIP-area linear projection — not a per-property automated valuation
Quarterly trend
+3.5%
Implied 1-yr
+14.1%
2026 Q3
$811.5K
2026 Q4
$834.8K
ZIP 07871 — Median Price History + Forecast

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