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311 37TH Street Unit 21, Marathon, FL 33050

Parking lot or mobile home park property built in 1943 with 11,974 sq ft of living area on a 1.38-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
$1,039,528
County assessed value (tax roll)
$1,039,528
Living area
11,974 sq ft
Lot size
1.38 acres (60,015 sq ft)
Year built
1943
Land use
Parking lot or mobile home park
FEMA flood zone
Not on file yet
County
Monroe County, FL
Parcel ID
fl-54-1066 32 00336840000000

At a glance

Who owns 311 37TH St Unit 21?
Monroe County property records list CSV INC as the owner of record.
What is the county just value of 311 37TH St Unit 21?
$1,039,528 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-54-1066 32 00336840000000 (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 37th St

All 1 property on 37th St · ZIP 33050 (Marathon). 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