904503 LOOP Road, Mainland, FL 34139

Federal government property built in 1985 with 7,320 sq ft of living area on a 2.86-acre lot in Mainland, 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

$259,488

County assessed value (tax roll)

$259,488

Living area

7,320 sq ft

Lot size

2.86 acres (124,523 sq ft)

Year built

1985

Land use

Federal government

FEMA flood zone

Not on file yet

County

Monroe County, FL

Parcel ID

fl-54-2154 34 00683720000000

At a glance

Who owns 904503 LOOP Rd?: Monroe County property records list USA NATIONAL PARK SERVICES as the owner of record.
What is the county just value of 904503 LOOP Rd?: $259,488 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-54-2154 34 00683720000000 (Monroe County).

Current owner

USA NATIONAL PARK SERVICES

Owner contact info

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

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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