dwello

637 12TH St GULF, Marathon, FL 33050

Single family property built in 2006 with 1,568 sq ft of living area on a 0.14-acre lot in Marathon, Monroe County. Facts below come from the county property appraiser's public record.

Open in interactive map List this home free on dwello Own this home? Claim it
County just value (tax roll) — not a market value
$1,317,543
County assessed value (tax roll)
$1,317,543
Living area
1,568 sq ft
Lot size
0.14 acres (5,975 sq ft)
Year built
2006
Land use
Single family
FEMA flood zone
Not on file yet
County
Monroe County, FL
Parcel ID
fl-54-0866 32 00101580000300

At a glance

Who owns 637 12TH St GULF?
Monroe County property records list DUNCAN PETER as the owner of record.
What is the county just value of 637 12TH St GULF?
$1,317,543 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-54-0866 32 00101580000300 (Monroe County).

Current owner

Owner contact info

Phones, emails and mailing addresses from public Florida records are available to members.

See plans

More on 12th St Gulf

All 14 properties on 12th St Gulf · ZIP 33050 (Marathon). Values are county just values (tax roll), not market values.

Nearby properties

Explore the area

Search this address on listing sites

These links open the listing site directly; we don't copy their data.

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