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658 40TH Street, Summerland Key, FL 33042

Single family property built in 1977 with 1,706 sq ft of living area on a 0.17-acre lot in Summerland 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
$417,944
County assessed value (tax roll)
$417,944
Living area
1,706 sq ft
Lot size
0.17 acres (7,200 sq ft)
Year built
1977
Land use
Single family
FEMA flood zone
Not on file yet
County
Monroe County, FL
Parcel ID
fl-54-3667 28 00199200000000

At a glance

Who owns 658 40TH St?
Monroe County property records list MARKLEY CONVERS as the owner of record.
What is the county just value of 658 40TH St?
$417,944 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-54-3667 28 00199200000000 (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 40th St

All 2 properties on 40th St · ZIP 33042 (Cudjoe Key). 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