4230 N Bay Rd is a 4,300 square foot house on a 0.59 acre lot with 5 bedrooms and 5.5 bathrooms. - it last sold on October 21, 2020 for $2,050,000. Based on Redfin's Miami Beach data, we estimate the home's value is $4,512,520.
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning
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
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: 3,747
Adjusted Gross Sq. Ft: 3,855
Building Sq. Ft: 4,696
# of Units: 1
# of Stories: 2
Legal Description: NAUTILUS SUB PB 8-95 PORT LOT 43 DESC - BEG SE COR LOT 43 WLY108FT NELY ALG CURVE AD OF 144FT TH SLY ALG ELY/L 85FT TO POB & LOT 44 LESS R/W & RIP RTS & PORT LOT 45 DESC - BEG SE COR LOT
Lot Information
# of Buildings: 1
Land Sq. Ft: 25,900
Legal Lot Number: 43
Legal Block Number: 1
Municipality Name: MIAMI BEACH
Acres: 0.5946
Zoning Code: 0100
County Use Description: RES - SINGLE FAMILY : 1 UNIT
State Use Description: SINGLE FAMILY
Location Information
Parcel Location Influence: Waterfront
Financial
Assessor Information
Assessment Year: 2025
Public facts
Beds: 5
Baths: 5.5
Sq. Ft.: 4,300
Stories: 2.0
Parking Spaces: —
Basement: No
Accessible: No
Lot Size: 0.59 acres
Style: Single Family Residential
Year Built: 1934
Year Renovated: 1939
County: Miami-Dade County
APN: 0232220110390
HOA Dues: —
Garage: Yes
Features: —
Home facts updated by owner on Sep 24, 2022
Around this home
Schools
North Beach Elementary School
Public PreK-5 • Assigned • 0.4mi
10/10
Nautilus Middle School
Public 6-8 • Assigned • 0.2mi
5/10
Miami Beach Senior High School
Public 9-12 • Assigned • 1.0mi
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, 29 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
$4.29M – $5.19M
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Property information provided by Beaches MLS when last listed in 2023. This data may not match public records. Learn more.
All listings featuring the BMLS logo are provided by BeachesMLS Inc. This information is not verified for authenticity or accuracy and is not guaranteed. Copyright 2026 Beaches Multiple Listing Service, Inc