521 31st St SW, Naples, FL 34117
521 31st St SW, Naples, FL 34117: 4,560 sq ft living area, 2.50 acre lot, built 1986, single family, county just value $740,226 (tax roll). Collier County record: parcel map.
- Parcel ID: fl-21-36810320009
- County: Collier County, FL
- Land use: Single family
- Lot size: 2.50 acres (108,900 sq ft)
- Living area: 4,560 sq ft
- Year built: 1986
- County just value (tax roll) — not a market value: $740,226
- County assessed value (tax roll): $651,866
- FEMA flood zone: Not on file yet
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Source: Florida county property appraiser public records and FEMA NFHL; data refreshed Jun 23, 2026. Values are county tax-roll figures, not appraisals.