4520 Alton Rd is a 1,764 square foot house on a 6,440 square foot lot with 3 bedrooms and 2 bathrooms. - it last sold on December 01, 2025 for $1,500,000. Based on Redfin's Miami Beach data, we estimate the home's value is $2,051,611.
Single-familyProperty Type
1937Year Built
6,440 sq ftLot Size
$1,163Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$2,051,611
$552K since sold in December 2025$146K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 39.9% lower than the average sale price ($3.41M) of 6 comparable homes.
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning and permits
Zoning
Permits
RS-4
Single-family Residential District
The RS-4 single-family residential districts are designed to protect, and preserve the identity, image, environmental quality, privacy, attractive pedestrian streetscapes, and human scale and character of the single-family neighborhoods and to encourage and promote new construction that is compatible with the established neighborhood context.
Permitted uses
Include but are not limited to:
Housing-Single unit
Nov 5, 2021 • Final
Residential (single-family) - alterations
Addition
Bathroom
Kitchen
Plumbing
Remodel
Sep 23, 2021 • Final
Sub-permit- residential - plumbing - new installations (single family or duplex)
Relocate the kitchen and renovate the bathroom, including new plumbing and a drain-stop. Relocate the washer and dryer within the laundry room with new plumbing. Construct a new attached addition with no plumbing.
Addition
Bathroom
Kitchen
Plumbing
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
Exterior Information
Construction Type: Concrete Block
Exterior Wall: Cbs/Holw Tile/Fr/Stud/Sheat/Sd
Roof Covering Type: Bahama/Ceramic Tile/Blt-Up Tg
Roof Shape Type: Bahama/Ceramic Tile/Blt-Up Tar and Gravel
Property Information
Subdivision Name: NAUTILUS SUB
Living Sq. Ft: 1,764
Adjusted Gross Sq. Ft: 1,805
Building Sq. Ft: 2,119
# of Units: 1
# of Stories: 1
Legal Description: NAUTILUS SUB PB 8-95 LOT 19 BLK 4 LOT SIZE 64.400 X 100 OR 17432-3977 1196 1
Parking & Garage Information
Parking Type: Unfinished Garage
Garage/Parking Sq. Ft: 120
Garage / Carport Type: Unfinished
Lot Information
# of Buildings: 1
Land Sq. Ft: 6,440
Legal Lot Number: 19
Legal Block Number: 4
Municipality Name: MIAMI BEACH
Acres: 0.1478
Depth Footage: 100
Front Footage: 64.4
Zoning Code: 0100
County Use Description: RES - SINGLE FAMILY : 1 UNIT
State Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2025
Public facts
Beds: 3
Baths: 2.0
Sq. Ft.: 1,764
Stories: 1.0
Lot Size: 6,440 square feet
Style: Single Family Residential
Year Built: 1937
Year Renovated: 1957
County: Miami-Dade County
APN: 0232220110900
Home facts updated by county records on Jul 2, 2026
Around this home
Schools
North Beach Elementary School
Public PreK-5 • Assigned • 0.5mi
10/10
Nautilus Middle School
Public 6-8 • Assigned • 0.4mi
5/10
Miami Beach Senior High School
Public 9-12 • Assigned • 1.5mi
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, 28 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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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
$1.95M – $2.36M
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