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321 Porta Rosa Circle, Saint Augustine, FL 32092

Single family property built in 2008 with 3,965 sq ft of living area on a 0.23-acre lot in Saint Augustine, St. Johns 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
$520,626
County assessed value (tax roll)
$520,626
Living area
3,965 sq ft
Lot size
0.23 acres (10,019 sq ft)
Year built
2008
Land use
Single family
FEMA flood zone
Not on file yet
County
St. Johns County, FL
Parcel ID
fl-65-0286855620

At a glance

Who owns 321 Porta Rosa Cir?
St. Johns County property records list BYRNES MARTIN J,ELIZABETH M as the owner of record.
What is the county just value of 321 Porta Rosa Cir?
$520,626 on the St. Johns 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-65-0286855620 (St. Johns 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 Porta Rosa Cir

All 249 properties on Porta Rosa Cir · ZIP 32092 (Saint Augustine). 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