645 Allendale Rd is a 3,668 square foot house on a 7,500 square foot lot with 5 bedrooms and 4 bathrooms. - it last sold on April 10, 2003 for $775,000. Based on Redfin's Key Biscayne data, we estimate the home's value is $4,569,367.
Single-familyProperty Type
2012Year Built
7,500 sq ftLot Size
$1,246Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$4,569,367
$3.8M since sold in April 2003$94K since July
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 2.7% lower than the average sale price ($4.70M) 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
VR
Village Residential District
These districts are designed to protect the character of Single Family and Two-Family homes and to regulate Development within the district as relates to neighboring properties and adjacent streets.
Permitted uses
Include but are not limited to:
Housing-Single unit
Mar 28, 2022 • Active
Master mechanical
HVAC
Nov 8, 2021 • Final
Sub-permit public works
Install new pavers on a sand driveway, pool deck, and back patio.
Grading
Pool and hot tub
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
Pool Information
Has Pool
Property Information
Subdivision Name: BISCAYNE KEY ESTATES
Living Sq. Ft: 3,668
Adjusted Gross Sq. Ft: 3,561
Building Sq. Ft: 4,395
# of Units: 1
# of Stories: 2
Legal Description: BISCAYNE KEY ESTS PB 50-61 LOT 12 BLK 7 LOT SIZE 75.000 X 100 OR 21165-3587 03/2003 1
Parking & Garage Information
Parking Type: Carport
Garage / Carport Type: Carport
Lot Information
# of Buildings: 1
Land Sq. Ft: 7,500
Legal Lot Number: 12
Legal Block Number: 7
Municipality Name: KEY BISCAYNE
Acres: 0.1722
Depth Footage: 100
Front Footage: 75
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: 5
Baths: 4.0
Sq. Ft.: 3,668
Stories: 2.0
Lot Size: 7,500 square feet
Style: Single Family Residential
Year Built: 2012
Year Renovated: 2012
County: Miami-Dade County
APN: 2452050010840
Home facts updated by county records on Jul 1, 2026
Around this home
Schools
Places
Transit
Key Biscayne K-8 Center
Public PreK-8 • Assigned • 0.2mi
8/10
Coral Gables Senior High School
Public PreK-12 • Assigned • 6.5mi
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
Heat Factor
We're working on getting current and accurate heat risk information for this home.
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
Key Biscayne, FL • 33149
Average low and high temperatures (°F)
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73
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69
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Sun exposure
In this area, properties receive around 9.5 hours in
June and 6.9 hours in December, placing it above the
U.S. average for solar exposure.
9.5 hrs
6.9 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$4.34M – $5.26M
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