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18 Underrock Rd

Sparta, NJ 07871

2 bd 1 ba Built 1953 Lot 20,038 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 $84,100 $123,400 $207,500 $7,611
2024 $84,100 $123,400 $207,500 $7,447
2023 $84,100 $123,400 $207,500 $7,233
2022 $84,100 $123,400 $207,500 $7,059
2021 $84,100 $123,400 $207,500 $6,947
2020 $84,100 $123,400 $207,500 $7,055
2019 $84,100 $123,400 $207,500 $6,872
2018 $84,100 $123,400 $207,500 $6,727
2017 $84,100 $123,400 $207,500 $6,644
2016 $84,100 $123,400 $207,500 $6,488
2015 $75,300 $98,000 $173,300 $6,739
2014 $75,300 $98,000 $173,300 $6,630
2013 $75,300 $98,000 $173,300 $6,490
2012 $75,300 $98,000 $173,300 $6,332
2011 $75,300 $98,000 $173,300 $6,089
2009 $75,300 $98,000 $173,300 $5,413
2008 $75,300 $98,000 $173,300 $5,171
2007 $75,300 $98,000 $173,300 $4,973

Property facts

Year built
1953
Property type
single_family
Stories
Beds
2
Baths
1
Living area
Lot size
20,038 sqft
ZIP code
07871
City
Sparta
Street
Underrock Rd
Coordinates
41.03424, -74.61042

Frequently asked questions

When did 18 Underrock Rd last sell?
No public-record sale is on file for 18 Underrock Rd.
What is the current tax assessment for 18 Underrock Rd?
The most recent total assessment for 18 Underrock Rd (year 2025) is $207,500 with $7,611 in property tax.
When was 18 Underrock Rd built?
18 Underrock Rd was built in 1953.
How does 18 Underrock Rd compare to others on Underrock Rd?
We track 8 other properties on Underrock Rd. Browse the list under "Other properties on Underrock Rd" to compare beds, baths, and sale history.
What are the property facts for 18 Underrock Rd?
18 Underrock Rd is a 2 bed, 1 bath, 20,038 sqft lot single_family.
Is 18 Underrock Rd a flip candidate?
No — 18 Underrock Rd does not appear in our flips dataset.
Is 18 Underrock Rd a tax-appeal candidate?
No — 18 Underrock Rd 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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