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409 3RD Street, Key Largo, FL 33037

Single family property built in 2021 with 1,575 sq ft of living area on a 0.14-acre lot in Key Largo, 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
$731,830
County assessed value (tax roll)
$492,180
Living area
1,575 sq ft
Lot size
0.14 acres (6,000 sq ft)
Year built
2021
Land use
Single family
FEMA flood zone
Not on file yet
County
Monroe County, FL
Parcel ID
fl-54-1161 39 00474620000000

At a glance

Who owns 409 3RD St?
Monroe County property records list WARREN MARYANN J LIVING TRUST as the owner of record.
What is the county just value of 409 3RD St?
$731,830 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-54-1161 39 00474620000000 (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 14 properties on 3rd St · ZIP 33037 (Key Largo). 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