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581 8TH Street, Key Colony Beach, FL 33051

Single family property built in 1974 with 1,439 sq ft of living area on a 0.09-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
$728,644
County assessed value (tax roll)
$728,644
Living area
1,439 sq ft
Lot size
0.09 acres (4,125 sq ft)
Year built
1974
Land use
Single family
FEMA flood zone
Not on file yet
County
Monroe County, FL
Parcel ID
fl-54-0566 33 00075030000000

At a glance

Who owns 581 8TH St?
Monroe County property records list SEYMOUR NATHAN as the owner of record.
What is the county just value of 581 8TH St?
$728,644 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-54-0566 33 00075030000000 (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 8th St

All 72 properties on 8th 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