4000 Alton Rd is a vacant land on a 2.28 acre lot. - it last sold on May 21, 2021 for $18,160,000. Based on Redfin's Miami Beach data, we estimate the home's value is $12,652,190.
Vacant landProperty Type
2.28 acresLot Size
$5,549,206Price/Acres
Source:Public Records
Redfin Estimate
$12,652,190
$5.5M since sold in May 2021$1.8M since September
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 167.4% higher than the average sale price ($4.73M) of 6 comparable homes.
Remove existing antennas, remote radio units, bias-ts, and diplexers from a rooftop installation. Install a new mount along with new antennas and remote radio units.
Electrical
Feb 8, 2026 • Final
Electrical - commercial - low voltage
Add access points to an existing telecommunications structure.
Electrical
Permit history is from public records and may be incomplete or inaccurate. Redfin and its agents make no representations about the property condition or permit status. Buyers should independently verify all information.
Property details
Exterior
Property Information
Subdivision Name: NAUTILUS SUB
Legal Description: NAUTILUS SUB PB 8-95 ALL OF LOT 53 & PORT OF LOTS 52 54 & 55 BLK 1 DESC AS BEG SE COR OF LOT 54 TH N 09 DEG E 228.03FT N 80 DEG W 269.11FT N 09 DEG E 144.42FT S 55 DEG W
Lot Information
Land Sq. Ft: 99,241
Legal Lot Number: 53
Legal Block Number: 1
Municipality Name: MIAMI BEACH
Acres: 2.2783
Zoning Code: 4000
County Use Description: VAC LAND-INSTITUTINAL:VAC LAND
State Use Description: VACANT INSTITUTL
Financial
Assessor Information
Assessment Year: 2024
Public facts
Beds: —
Baths: —
Sq. Ft.: —
Stories: —
Lot Size: 2.28 acres
Style: Vacant Land
Year Built: —
Year Renovated: —
County: Miami-Dade County
APN: 0232220110432
Home facts updated by county records on Apr 16, 2025
Around this home
Schools
North Beach Elementary School
Public PreK-5 • Assigned • 0.4mi
10/10
Nautilus Middle School
Public 6-8 • Assigned • 0.3mi
5/10
Miami Beach Senior High School
Public 9-12 • Assigned • 0.9mi
5/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
9/10 Flood Factor
Estimated 80%+ chance of a flood reaching the building in the next 30 years
1/10 Fire Factor
Unlikely to be in a wildfire in next 30 years
10/10 Heat Factor
7 days above 101° expected this year, 30 days in 30 years
10/10 Wind Factor
99% chance of strong winds in next 30 years
2/10 Air Factor
1 unhealthy days expected this year, 1 days in 30 years
Provided by First Street
Historical weather
Miami Beach, FL • 33140
Average low and high temperatures (°F)
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78
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77
81
71
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68
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Sun exposure
In this area, properties receive around 9.4 hours in
June and 6.9 hours in December, placing it above the
U.S. average for solar exposure.
9.4 hrs
6.9 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$12.02M – $14.55M
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