11240 5TH Ave GULF, Marathon, FL 33050

Single family property built in 1969 with 1,320 sq ft of living area on a 0.19-acre lot in Marathon, 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

$900,654

County assessed value (tax roll)

$336,025

Living area

1,320 sq ft

Lot size

0.19 acres (8,485 sq ft)

Year built

1969

Land use

Single family

FEMA flood zone

Not on file yet

County

Monroe County, FL

Parcel ID

fl-54-0666 33 00335940000000

At a glance

Who owns 11240 5TH Ave GULF?: Monroe County property records list WIMMER MARY as the owner of record.
What is the county just value of 11240 5TH Ave GULF?: $900,654 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-54-0666 33 00335940000000 (Monroe County).

Current owner

WIMMER MARY

Owner contact info

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

See plans

Nearby properties

Parcel fl-54-0666 33 00104210000000 $50
11230 5TH Ave GULF, Marathon $1.1M · built 1970
11250 5TH Ave GULF, Marathon $903K · built 1959
11231 5TH Ave GULF, Marathon $1.2M · built 1970
11245 5TH Ave GULF, Marathon $1.2M · built 1960
11255 6TH Ave GULF, Marathon $844K · built 1999
11252 5TH Ave GULF, Marathon $1.9M · built 1997
11255 5TH Ave GULF, Marathon $1.1M · built 1985

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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