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491 4TH Street, Key Colony Beach, FL 33051

Single family property built in 1980 with 1,260 sq ft of living area 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
$1,011,603
County assessed value (tax roll)
$599,040
Living area
1,260 sq ft
Lot size
0.15 acres (6,600 sq ft)
Year built
1980
Land use
Single family
FEMA flood zone
Not on file yet
County
Monroe County, FL
Parcel ID
fl-54-0466 33 00073340000000

At a glance

Who owns 491 4TH St?
Monroe County property records list SWEENY BRIAN as the owner of record.
What is the county just value of 491 4TH St?
$1,011,603 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 00073340000000 (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 4th St

All 50 properties on 4th 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