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550 Avenue A, Key Largo, FL 33037

Single family property built in 1996 with 2,267 sq ft of living area on a 0.22-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
$1,555,143
County assessed value (tax roll)
$463,364
Living area
2,267 sq ft
Lot size
0.22 acres (9,438 sq ft)
Year built
1996
Land use
Single family
FEMA flood zone
Not on file yet
County
Monroe County, FL
Parcel ID
fl-54-1161 39 00474890000000

At a glance

Who owns 550 Avenue A?
Monroe County property records list CASARIEGO FAMILY LIVING TRUST as the owner of record.
What is the county just value of 550 Avenue A?
$1,555,143 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 00474890000000 (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 Ave A

All 32 properties on Ave A · 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