20 Allen St
Flemington, NJ 08822
2 bd 1 ba Built 1850 Lot 24,829 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
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $209,000 | $145,100 | $354,100 | $9,086 |
| 2024 | $196,600 | $135,500 | $332,100 | $7,763 |
| 2023 | $142,200 | $117,200 | $259,400 | $7,522 |
| 2022 | $136,000 | $110,600 | $246,600 | $7,430 |
| 2021 | $130,900 | $105,300 | $236,200 | $7,449 |
| 2020 | $127,900 | $105,300 | $233,200 | $7,411 |
| 2019 | $126,800 | $103,900 | $230,700 | $7,174 |
| 2018 | $122,100 | $102,800 | $224,900 | $6,884 |
| 2017 | $118,200 | $102,800 | $221,000 | $6,820 |
| 2016 | $115,200 | $102,800 | $218,000 | $6,845 |
| 2015 | $112,200 | $102,800 | $215,000 | $6,566 |
| 2014 | $109,200 | $102,800 | $212,000 | $6,294 |
| 2013 | $105,200 | $102,800 | $208,000 | $5,996 |
| 2012 | $102,500 | $108,200 | $210,700 | $5,731 |
| 2011 | $104,400 | $108,200 | $212,600 | $5,810 |
| 2009 | $126,600 | $113,900 | $240,500 | $5,466 |
| 2008 | $136,000 | $119,900 | $255,900 | $5,609 |
| 2007 | $131,300 | $119,900 | $251,200 | $5,727 |
Property facts
Year built
1850
Property type
single_family
Stories
—
Beds
2
Baths
1
Living area
—
Lot size
24,829 sqft
ZIP code
08822
City
Flemington
Street
Allen St
Coordinates
40.51421, -74.86390
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 20 Allen St last sell?
No public-record sale is on file for 20 Allen St.
What is the current tax assessment for 20 Allen St?
The most recent total assessment for 20 Allen St (year 2025) is $354,100 with $9,086 in property tax.
When was 20 Allen St built?
20 Allen St was built in 1850.
How does 20 Allen St compare to others on Allen St?
We track 8 other properties on Allen St. Browse the list under "Other properties on Allen St" to compare beds, baths, and sale history.
What are the property facts for 20 Allen St?
20 Allen St is a 2 bed, 1 bath, 24,829 sqft lot single_family.
Is 20 Allen St a flip candidate?
No — 20 Allen St does not appear in our flips dataset.
Is 20 Allen St a tax-appeal candidate?
No — 20 Allen 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
-0.1%
Implied 1-yr
-0.2%
2026 Q3
$545.5K
2026 Q4
$545.2K
ZIP 08822 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Allen St