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124 DORSETT Drive, Grassy Key, FL 33050

Single family property built in 1992 with 1,682 sq ft of living area on a 0.14-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
$590,636
County assessed value (tax roll)
$438,126
Living area
1,682 sq ft
Lot size
0.14 acres (6,023 sq ft)
Year built
1992
Land use
Single family
FEMA flood zone
Not on file yet
County
Monroe County, FL
Parcel ID
fl-54-1965 34 00376400000000

At a glance

Who owns 124 DORSETT Dr?
Monroe County property records list KNOWLTON JUSTIN as the owner of record.
What is the county just value of 124 DORSETT Dr?
$590,636 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-54-1965 34 00376400000000 (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 Dorsett Dr

All 17 properties on Dorsett Dr · 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