4558 Mainmast Ln, Jacksonville, FL 32277
4558 Mainmast Ln, Jacksonville, FL 32277: 2,173 sq ft living area, 0.18 acre lot, built 1999, single family, county just value $301,478 (tax roll). Duval County record: parcel map.
- Parcel ID: fl-26-1123324385R
- County: Duval County, FL
- Land use: Single family
- Lot size: 0.18 acres (7,909 sq ft)
- Living area: 2,173 sq ft
- Year built: 1999
- County just value (tax roll) — not a market value: $301,478
- County assessed value (tax roll): $153,481
- FEMA flood zone: Not on file yet
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Source: Florida county property appraiser public records and FEMA NFHL; data refreshed Jun 25, 2026. Values are county tax-roll figures, not appraisals.