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421 3RD Street, Key Colony Beach, FL 33051

Vacant residential property on a 0.15-acre lot in Key Colony Beach, Monroe 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
$682,678
County assessed value (tax roll)
$682,678
Lot size
0.15 acres (6,704 sq ft)
Land use
Vacant residential
FEMA flood zone
Not on file yet
County
Monroe County, FL
Parcel ID
fl-54-0466 33 00072830000000

At a glance

Who owns 421 3RD St?
Monroe County property records list HFLP KEYS LLC as the owner of record.
What is the county just value of 421 3RD St?
$682,678 on the Monroe 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-54-0466 33 00072830000000 (Monroe County).

Current owner

Owner contact info

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

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More on 3rd St

All 55 properties on 3rd St · ZIP 33051 (Key Colony Beach). Values are county just values (tax roll), not market values.

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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