522 PETRONIA Street, Key West, FL 33040

Single family property built in 1933 with 1,696 sq ft of living area on a 0.12-acre lot in Key West, 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

$1,943,843

County assessed value (tax roll)

$1,115,287

Living area

1,696 sq ft

Lot size

0.12 acres (5,359 sq ft)

Year built

1933

Land use

Single family

FEMA flood zone

Not on file yet

County

Monroe County, FL

Parcel ID

fl-54-0668 25 00016510000000

At a glance

Who owns 522 PETRONIA St?: Monroe County property records list DOWNER JOHN as the owner of record.
What is the county just value of 522 PETRONIA St?: $1,943,843 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-54-0668 25 00016510000000 (Monroe County).

Current owner

DOWNER JOHN

Owner contact info

Phones, emails and mailing addresses from public Florida records are available to members.

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Source: Florida Department of Revenue parcel roll; data refreshed Jun 23, 2026. Values are county tax-roll figures, not appraisals. How to read these values · Data sources

522 PETRONIA Street, Key West, FL 33040

At a glance

Current owner

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