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521 Mason Street, Altamonte Springs, FL 32701

Single family property built in 1965 with 1,300 sq ft of living area on a 0.21-acre lot in Altamonte Springs, Seminole 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
$291,170
County assessed value (tax roll)
$138,318
Living area
1,300 sq ft
Lot size
0.21 acres (9,124 sq ft)
Year built
1965
Land use
Single family
FEMA flood zone
Not on file yet
County
Seminole County, FL
Parcel ID
fl-69-2421295140H000070

At a glance

Who owns 521 Mason St?
Seminole County property records list RHINHART, DAVID as the owner of record.
What is the county just value of 521 Mason St?
$291,170 on the Seminole 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-69-2421295140H000070 (Seminole County).

Current owner

Owner contact info

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

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More on Mason St

All 7 properties on Mason St · ZIP 32701 (Altamonte Springs). Values are county just values (tax roll), not market values.

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Source: Florida Department of Revenue parcel roll; data refreshed Jun 30, 2026. Values are county tax-roll figures, not appraisals. How to read these values · Data sources