21526 NW Isoletta Road, Altha, FL 32421

Timberland (index 70–79) property on a 148.0-acre lot in Altha, Calhoun 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

$146,520

County assessed value (tax roll)

$19,650

Lot size

148.0 acres

Land use

Timberland (index 70–79)

FEMA flood zone

Not on file yet

County

Calhoun County, FL

Parcel ID

fl-17-041N11000000020000

At a glance

Who owns 21526 NW Isoletta Rd?: Calhoun County property records list BLACK MARSHALL J & as the owner of record.
What is the county just value of 21526 NW Isoletta Rd?: $146,520 on the Calhoun 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-17-041N11000000020000 (Calhoun County).

Current owner

BLACK MARSHALL J &

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 24, 2026. Values are county tax-roll figures, not appraisals. How to read these values · Data sources