490 S Mashta Drive, Key Biscayne, FL 33149
Single family property built in 1991 with 6,369 sq ft of living area on a 0.37-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
$11,609,868
County assessed value (tax roll)
$6,760,859
Living area
6,369 sq ft
Lot size
0.37 acres (16,271 sq ft)
Year built
1991
Land use
Single family
FEMA flood zone
Not on file yet
County
Miami-Dade County, FL
Parcel ID
fl-23-2452050170200
At a glance
- Who owns 490 S Mashta Dr?
- Miami-Dade County property records list SOUTH MASHTA REV TR as the owner of record.
- What is the county just value of 490 S Mashta Dr?
- $11,609,868 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-23-2452050170200 (Miami-Dade County).
Current owner
- SOUTH MASHTA REV TR
Owner contact info
Phones, emails and mailing addresses from public Florida records are available to members.
See plansMore on S Mashta Dr
- 400 S Mashta Dr $21.8M · built 2003
- 401 S Mashta Dr $12.4M · built 2004
- 420 S Mashta Dr $13M · built 1989
- 421 S Mashta Dr $9.4M · built 1980
- 440 S Mashta Dr $13.3M · built 2013
- 460 S Mashta Dr $12.7M · built 2001
- 461 S Mashta Dr $8.7M · built 1985
- 480 S Mashta Dr $10.9M · built 1969
- 481 S Mashta Dr $9.1M · built 1989
- 500 S Mashta Dr $18.3M · built 2014
- 510 S Mashta Dr $12.5M · built 1981
- 511 S Mashta Dr $3.6M · built 1960
- 520 S Mashta Dr $14M · built 1961
- 521 S Mashta Dr $4.9M · built 2012
- 530 S Mashta Dr $15.3M · built 2014
- 531 S Mashta Dr $6M · built 2012
- 541 S Mashta Dr $4.6M · built 2008
- 548 S Mashta Dr $12.3M · built 2014
- 551 S Mashta Dr $3.8M · built 1961
All 46 properties on S Mashta Dr · ZIP 33149 (Key Biscayne). Values are county just values (tax roll), not market values.
Nearby properties
- 500 S Mashta Dr, Key Biscayne $18.3M · built 2014
- 480 S Mashta Dr, Key Biscayne $10.9M · built 1969
- 540 W Mashta Dr, Key Biscayne $9.3M · built 1982
- 511 S Mashta Dr, Key Biscayne $3.6M · built 1960
- 510 S Mashta Dr, Key Biscayne $12.5M · built 1981
- 481 S Mashta Dr, Key Biscayne $9.1M · built 1989
- 460 S Mashta Dr, Key Biscayne $12.7M · built 2001
- 520 W Mashta Dr, Key Biscayne $9M · built 1970
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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