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321 3RD Street, Key Colony Beach, FL 33051

Multi-family (fewer than 10 units) property built in 1973 with 1,848 sq ft of living area on a 0.16-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
$1,105,203
County assessed value (tax roll)
$1,105,203
Living area
1,848 sq ft
Lot size
0.16 acres (6,788 sq ft)
Year built
1973
Land use
Multi-family (fewer than 10 units)
FEMA flood zone
Not on file yet
County
Monroe County, FL
Parcel ID
fl-54-0466 33 00072780000000

At a glance

Who owns 321 3RD St?
Monroe County property records list WILLIAMSON JAMES as the owner of record.
What is the county just value of 321 3RD St?
$1,105,203 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 00072780000000 (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