21 51st St
Sea Isle City, NJ 08243
— ba 1,152 sqft Built 1975 Lot 4,099 sqft condo
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 | $38,500 | $476,900 | $515,400 | $4,664 |
| 2023 | $38,500 | $476,900 | $515,400 | $4,391 |
| 2022 | $38,500 | $476,900 | $515,400 | $4,128 |
| 2021 | $38,500 | $476,900 | $515,400 | $3,937 |
| 2020 | $38,500 | $476,900 | $515,400 | $3,783 |
| 2019 | $38,500 | $476,900 | $515,400 | $3,700 |
| 2018 | $38,500 | $476,900 | $515,400 | $3,659 |
| 2017 | $38,500 | $476,900 | $515,400 | $3,582 |
| 2016 | $38,500 | $476,900 | $515,400 | $3,463 |
| 2015 | $38,700 | $540,500 | $579,200 | $3,411 |
| 2014 | $38,700 | $540,500 | $579,200 | $3,382 |
| 2013 | $38,700 | $540,500 | $579,200 | $3,376 |
| 2012 | $38,700 | $540,500 | $579,200 | $3,353 |
| 2011 | $38,700 | $540,500 | $579,200 | $3,330 |
| 2009 | $38,700 | $540,500 | $579,200 | $3,162 |
| 2008 | $38,700 | $540,500 | $579,200 | $3,000 |
| 2007 | $33,700 | $437,800 | $471,500 | $3,017 |
Property facts
Year built
1975
Property type
condo
Stories
2
Beds
—
Baths
—
Living area
1,152 sqft
Lot size
4,099 sqft
ZIP code
08243
City
Sea Isle City
Street
51st St
Coordinates
39.14877, -74.69593
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 21 51st St last sell?
No public-record sale is on file for 21 51st St.
What is the current tax assessment for 21 51st St?
The most recent total assessment for 21 51st St (year 2025) is $515,400 with $4,664 in property tax.
When was 21 51st St built?
21 51st St was built in 1975.
How does 21 51st St compare to others on 51st St?
We track 8 other properties on 51st St. Browse the list under "Other properties on 51st St" to compare beds, baths, and sale history.
What are the property facts for 21 51st St?
21 51st St is a — bath, 1,152 sqft, 4,099 sqft lot condo.
Is 21 51st St a flip candidate?
No — 21 51st St does not appear in our flips dataset.
Is 21 51st St a tax-appeal candidate?
No — 21 51st 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
-0.6%
Implied 1-yr
-2.6%
2026 Q3
$1.75M
2026 Q4
$1.74M
ZIP 08243 — Median Price History + Forecast
Explore nearby
Geography
Other properties on 51st St