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4308 Alton Road, Miami Beach, FL 33140

Professional service building property built in 2008 with 268,307 sq ft of living area on a 1.82-acre lot in Miami Beach, Miami-Dade 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
$24,600,000
County assessed value (tax roll)
$24,600,000
Living area
268,307 sq ft
Lot size
1.82 acres (79,268 sq ft)
Year built
2008
Land use
Professional service building
FEMA flood zone
Not on file yet
County
Miami-Dade County, FL
Parcel ID
fl-23-0232220110370

At a glance

Who owns 4308 Alton Rd?
Miami-Dade County property records list MOUNT SINAI MEDICAL OFFICE as the owner of record.
What is the county just value of 4308 Alton Rd?
$24,600,000 on the Miami-Dade 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-23-0232220110370 (Miami-Dade 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 Alton Rd

All 337 properties on Alton Rd · ZIP 33140 (Miami Beach). Values are county just values (tax roll), not market values.

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Source: Florida Department of Revenue parcel roll; data refreshed Jun 25, 2026. Values are county tax-roll figures, not appraisals. How to read these values · Data sources