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1720 DUNCAN Street, Key West, FL 33040

Single family property built in 1964 with 2,054 sq ft of living area on a 0.12-acre lot in Key West, 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
$912,803
County assessed value (tax roll)
$279,017
Living area
2,054 sq ft
Lot size
0.12 acres (5,368 sq ft)
Year built
1964
Land use
Single family
FEMA flood zone
Not on file yet
County
Monroe County, FL
Parcel ID
fl-54-0568 25 00044680000000

At a glance

Who owns 1720 DUNCAN St?
Monroe County property records list KNOWLES JENNINE LIVING TRUST 1 as the owner of record.
What is the county just value of 1720 DUNCAN St?
$912,803 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-54-0568 25 00044680000000 (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 Duncan St

All 53 properties on Duncan St · ZIP 33040 (Key West). 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