21 Harbor Dr
Key Biscayne, FL 33149
2,831 sqft Built 2017 Lot 9,000 sqft other
Most recent sale
$2,300,000
Jun 9, 2011
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Nov 6, 2024 | Sold | $2,840,925 | Public Record |
| May 2, 2022 | Listed | $5,500,000 | MLS #A11106580 |
| Jun 9, 2011 | Sold | $2,300,000 | Public Record |
| Aug 14, 2007 | Sold | $2,400,000 | Public Record |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $1,470,000 | $1,530,000 | $3,000,000 | $47,881 |
| 2024 | $1,470,000 | $1,530,000 | $3,000,000 | $29,436 |
| 2023 | $262,028 | $1,530,000 | $1,792,028 | $29,680 |
| 2022 | $263,554 | $1,530,000 | $1,793,554 | $29,921 |
| 2021 | $131,682 | $1,530,000 | $1,661,682 | $28,763 |
| 2020 | $132,996 | $1,530,000 | $1,662,996 | $27,483 |
| 2019 | $127,857 | $1,530,000 | $1,657,857 | $27,466 |
| 2018 | $127,949 | $1,440,000 | $1,567,949 | $25,138 |
| 2017 | $40,605 | $1,440,000 | $1,480,605 | $23,248 |
| 2016 | — | — | $1,277,471 | $22,603 |
| 2015 | $36,338 | $1,125,000 | $1,161,338 | $19,627 |
| 2014 | $535,000 | $1,125,000 | $1,660,000 | $28,707 |
| 2013 | — | — | $1,660,000 | $28,586 |
| 2012 | — | — | $1,800,000 | $31,180 |
| 2011 | — | — | $1,361,480 | $23,751 |
| 2010 | — | — | $1,362,710 | $25,570 |
| 2009 | — | — | $1,455,924 | $26,001 |
| 2008 | — | — | $1,458,432 | $25,642 |
Property facts
Year built
2017
Property type
other
Stories
1
Beds
—
Baths
—
Living area
2,831 sqft
Lot size
9,000 sqft
ZIP code
33149
City
Key Biscayne
Street
Harbor Dr
Coordinates
25.69959, -80.16284
Comparable properties nearby
Frequently asked questions
When did 21 Harbor Dr last sell?
21 Harbor Dr most recently sold on Jun 9, 2011 for $2,300,000.
What is the current tax assessment for 21 Harbor Dr?
The most recent total assessment for 21 Harbor Dr (year 2025) is $3,000,000 with $47,881 in property tax.
How does 21 Harbor Dr's assessment compare to its last sale price?
The current assessment is 30.4% above the last sale price of $2,300,000.
When was 21 Harbor Dr built?
21 Harbor Dr was built in 2017.
How does 21 Harbor Dr compare to others on Harbor Dr?
We track 8 other properties on Harbor Dr. Browse the list under "Other properties on Harbor Dr" to compare beds, baths, and sale history.
What are the property facts for 21 Harbor Dr?
21 Harbor Dr is a 2,831 sqft, 9,000 sqft lot other.
Is 21 Harbor Dr a flip candidate?
No — 21 Harbor Dr does not appear in our flips dataset.
Is 21 Harbor Dr a tax-appeal candidate?
No — 21 Harbor Dr is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
+6.4%
Implied 1-yr
+25.5%
2026 Q3
$4.82M
2026 Q4
$5.04M
ZIP 33149 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Harbor Dr