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420 3RD Street, Key Largo, FL 33037

Single family property built in 1978 with 1,218 sq ft of living area on a 0.20-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
$585,337
County assessed value (tax roll)
$585,337
Living area
1,218 sq ft
Lot size
0.20 acres (8,617 sq ft)
Year built
1978
Land use
Single family
FEMA flood zone
Not on file yet
County
Monroe County, FL
Parcel ID
fl-54-1161 39 00474690000000

At a glance

Who owns 420 3RD St?
Monroe County property records list ADAMCZAK ROSS as the owner of record.
What is the county just value of 420 3RD St?
$585,337 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 00474690000000 (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