NW Porter Grade Rd, Altha, FL 32421
NW Porter Grade Rd, Altha, FL 32421: 20.7 acre lot, timberland (index 60–69), county just value $31,095 (tax roll). Calhoun County record: parcel map.
- Parcel ID: fl-17-121N11000000010400
- County: Calhoun County, FL
- Land use: Timberland (index 60–69)
- Lot size: 20.7 acres
- County just value (tax roll) — not a market value: $31,095
- County assessed value (tax roll): $3,298
- FEMA flood zone: Not on file yet
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Source: Florida county property appraiser public records and FEMA NFHL; data refreshed Jun 24, 2026. Values are county tax-roll figures, not appraisals.