390 Heather Lane, Key Biscayne, FL 33149

Single family property built in 1963 with 2,271 sq ft of living area on a 0.17-acre lot in Key Biscayne, Miami-Dade County. Facts below come from the county property appraiser's public record.

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County just value (tax roll) — not a market value

$2,273,041

County assessed value (tax roll)

$2,273,041

Living area

2,271 sq ft

Lot size

0.17 acres (7,590 sq ft)

Year built

1963

Land use

Single family

FEMA flood zone

Not on file yet

County

Miami-Dade County, FL

Parcel ID

fl-23-2442320063290

At a glance

Who owns 390 Heather Ln?: Miami-Dade County property records list GUSTAVO ANDRES GUERINI TRS as the owner of record.
What is the county just value of 390 Heather Ln?: $2,273,041 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-23-2442320063290 (Miami-Dade County).

Current owner

GUSTAVO ANDRES GUERINI TRS

Owner contact info

Phones, emails and mailing addresses from public Florida records are available to members.

See plans

Nearby properties

385 Heather Ln, Key Biscayne $3.8M · built 2015
361 W Heather Dr, Key Biscayne $2.2M · built 1963
380 Heather Ln, Key Biscayne $2.4M · built 1959
340 W Heather Dr, Key Biscayne $2.3M · built 1954
350 W Heather Dr, Key Biscayne $2.5M · built 1997
375 Heather Ln, Key Biscayne $2.9M · built 1956
338 W Heather Dr, Key Biscayne $2.1M · built 1954
371 W Heather Dr, Key Biscayne $2.3M · built 1960

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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