dwello

4300 Alton Road, Miami Beach, FL 33140

Public hospital property built in 1958 with 2,093,047 sq ft of living area on a 53.1-acre lot in Miami Beach, Miami-Dade County. Facts below come from the county property appraiser's public record.

Open in interactive map List this home free on dwello Own this home? Claim it
County just value (tax roll) — not a market value
$204,535,690
County assessed value (tax roll)
$204,535,690
Living area
2,093,047 sq ft
Lot size
53.1 acres
Year built
1958
Land use
Public hospital
FEMA flood zone
Not on file yet
County
Miami-Dade County, FL
Parcel ID
fl-23-0232220110360

At a glance

Who owns 4300 Alton Rd?
Miami-Dade County property records list MOUNT SINAI MEDICAL CTR OF FL as the owner of record.
What is the county just value of 4300 Alton Rd?
$204,535,690 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-23-0232220110360 (Miami-Dade County).

Current owner

Owner contact info

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

See plans

More on Alton Rd

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

Nearby properties

Explore the area

Search this address on listing sites

These links open the listing site directly; we don't copy their data.

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