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58058 MORTON Street, Grassy Key, FL 33050

Single family property built in 1974 with 1,056 sq ft of living area on a 0.17-acre lot in Grassy Key, 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
$502,758
County assessed value (tax roll)
$502,758
Living area
1,056 sq ft
Lot size
0.17 acres (7,500 sq ft)
Year built
1974
Land use
Single family
FEMA flood zone
Not on file yet
County
Monroe County, FL
Parcel ID
fl-54-2465 33 00371710000000

At a glance

Who owns 58058 MORTON St?
Monroe County property records list GROSTEFON ROBERT as the owner of record.
What is the county just value of 58058 MORTON St?
$502,758 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-54-2465 33 00371710000000 (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 Morton St

All 83 properties on Morton 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