21 Hardenberg St
New Brunswick, NJ 08901
2,288 sqft Built 1862 Lot 2,500 sqft multi_family
Most recent sale
$530,000
Mar 23, 2018
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Mar 13, 2024 | Listed | $739,000 | CJMLS |
| Mar 23, 2018 | Sold | $530,000 | Public Record |
| Aug 6, 1997 | Sold | $140,000 | Public Record |
| Jun 30, 1997 | Sold | $133,636 | Public Record |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $577,500 | $125,000 | $702,500 | $18,883 |
| 2024 | $577,500 | $125,000 | $702,500 | $18,398 |
| 2023 | $577,500 | $125,000 | $702,500 | $17,864 |
| 2022 | $577,500 | $125,000 | $702,500 | $17,485 |
| 2021 | $577,500 | $125,000 | $702,500 | $17,414 |
| 2020 | $577,500 | $125,000 | $702,500 | $17,351 |
| 2019 | $577,500 | $125,000 | $702,500 | $17,021 |
| 2018 | $750,700 | $125,000 | $875,700 | $20,736 |
| 2017 | $750,700 | $125,000 | $875,700 | $19,913 |
| 2016 | $114,000 | $27,500 | $141,500 | $8,300 |
| 2015 | $114,000 | $27,500 | $141,500 | $8,102 |
| 2014 | $114,000 | $27,500 | $141,500 | $7,957 |
| 2013 | $114,000 | $27,500 | $141,500 | $7,894 |
| 2012 | $114,000 | $27,500 | $141,500 | $7,745 |
| 2011 | $114,000 | $27,500 | $141,500 | $7,546 |
| 2009 | $114,000 | $27,500 | $141,500 | $7,113 |
| 2008 | $114,000 | $27,500 | $141,500 | $6,910 |
| 2007 | $114,000 | $27,500 | $141,500 | $6,466 |
Property facts
Year built
1862
Property type
multi_family
Stories
3
Beds
—
Baths
—
Living area
2,288 sqft
Lot size
2,500 sqft
ZIP code
08901
City
New Brunswick
Street
Hardenberg St
Coordinates
40.49742, -74.45035
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 21 Hardenberg St last sell?
21 Hardenberg St most recently sold on Mar 23, 2018 for $530,000.
What is the current tax assessment for 21 Hardenberg St?
The most recent total assessment for 21 Hardenberg St (year 2025) is $702,500 with $18,883 in property tax.
How does 21 Hardenberg St's assessment compare to its last sale price?
The current assessment is 32.5% above the last sale price of $530,000.
When was 21 Hardenberg St built?
21 Hardenberg St was built in 1862.
How does 21 Hardenberg St compare to others on Hardenberg St?
We track 2 other properties on Hardenberg St. Browse the list under "Other properties on Hardenberg St" to compare beds, baths, and sale history.
What are the property facts for 21 Hardenberg St?
21 Hardenberg St is a 2,288 sqft, 2,500 sqft lot multi_family.
Is 21 Hardenberg St a flip candidate?
No — 21 Hardenberg St does not appear in our flips dataset.
Is 21 Hardenberg St a tax-appeal candidate?
No — 21 Hardenberg St is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
+1.7%
Implied 1-yr
+6.7%
2026 Q3
$566.2K
2026 Q4
$574.8K
ZIP 08901 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Hardenberg St