840 Harbor Drive, Key Biscayne, FL 33149
Single family property built in 1999 with 8,408 sq ft of living area on a 0.47-acre lot in Key Biscayne, Miami-Dade County. Facts below come from the county property appraiser's public record.
County just value (tax roll) — not a market value
$11,396,047
County assessed value (tax roll)
$7,121,924
Living area
8,408 sq ft
Lot size
0.47 acres (20,437 sq ft)
Year built
1999
Land use
Single family
FEMA flood zone
Not on file yet
County
Miami-Dade County, FL
Parcel ID
fl-23-2452050100330
At a glance
- Who owns 840 Harbor Dr?
- Miami-Dade County property records list THOMAS ROSS JOHNSON as the owner of record.
- What is the county just value of 840 Harbor Dr?
- $11,396,047 on the Miami-Dade County tax roll (as of January 1). Just value is the property appraiser's figure for property taxes — not a market value.
- What is the parcel ID?
- fl-23-2452050100330 (Miami-Dade County).
Current owner
- THOMAS ROSS JOHNSON
Owner contact info
Phones, emails and mailing addresses from public Florida records are available to members.
See plansMore on Harbor Dr
- 770 Harbor Dr $8.2M · built 1966
- 775 Harbor Dr $2.2M · built 1953
- 780 Harbor Dr $10.2M · built 2000
- 785 Harbor Dr $3.5M · built 2017
- 795 Harbor Dr $2.8M · built 1991
- 800 Harbor Dr $9.6M · built 1993
- 801 Harbor Dr $3.3M · built 1996
- 815 Harbor Dr $2.3M · built 1952
- 819 Harbor Dr $4.1M · built 2008
- 820 Harbor Dr $19.8M · built 2017
- 850 Harbor Dr $10.6M · built 2011
- 851 Harbor Dr $5.8M · built 2012
- 860 Harbor Dr $9.7M · built 2000
- 861 Harbor Dr $6.2M · built 1963
- 870 Harbor Dr $11.1M · built 2024
- 871 Harbor Dr $6.4M · built 1963
- 880 Harbor Dr $14.5M · built 2019
- 881 Harbor Dr $6.8M
- 890 Harbor Dr $8M
- 891 Harbor Dr $9M · built 1996
All 145 properties on Harbor Dr · ZIP 33149 (Key Biscayne). Values are county just values (tax roll), not market values.
Nearby properties
- 850 Harbor Dr, Key Biscayne $10.6M · built 2011
- 441 Island Dr, Key Biscayne $7.3M · built 2003
- 425 W Mashta Dr, Key Biscayne $6.9M
- 819 Harbor Dr, Key Biscayne $4.1M · built 2008
- 820 Harbor Dr, Key Biscayne $19.8M · built 2017
- 851 Harbor Dr, Key Biscayne $5.8M · built 2012
- 471 N Mashta Dr, Key Biscayne $9.9M · built 2002
- 800 Harbor Dr, Key Biscayne $9.6M · built 1993
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Source: Florida Department of Revenue parcel roll; data refreshed Jun 25, 2026. Values are county tax-roll figures, not appraisals. How to read these values · Data sources