640 Ridgewood Rd is a 1,705 square foot house on a 7,500 square foot lot with 4 bedrooms and 2 bathrooms. - it last sold on February 01, 1978 for $90,000. Based on Redfin's Key Biscayne data, we estimate the home's value is $2,715,086.
Single-familyProperty Type
1952Year Built
7,500 sq ftLot Size
$1,592Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$2,715,086
$2.6M since sold in February 1978$52K since July
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 4.8% lower than the average sale price ($2.85M) 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
Sep 9, 2024 • Final
Master zoning
Work on tree removal.
Demolition
Nov 24, 2020 • Final
Master building
Work on a paver installation.
Grading
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
Pool Information
Has Pool
Property Information
Subdivision Name: BISCAYNE KEY ESTATES
Living Sq. Ft: 1,705
Adjusted Gross Sq. Ft: 2,100
Building Sq. Ft: 2,756
# of Units: 1
# of Stories: 1
Legal Description: BISCAYNE KEY ESTS PB 50-61 LOT 3 BLK 5 LOT SIZE 75.000 X 100 OR 9936 1988 02-78-1
Lot Information
# of Buildings: 1
Land Sq. Ft: 7,500
Legal Lot Number: 3
Legal Block Number: 5
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: 4
Baths: 2.0
Sq. Ft.: 1,705
Stories: 1.0
Lot Size: 7,500 square feet
Style: Single Family Residential
Year Built: 1952
Year Renovated: 1962
County: Miami-Dade County
APN: 2452050010470
Home facts updated by county records on Jul 1, 2026
Around this home
Schools
Key Biscayne K-8 Center
Public PreK-8 • Assigned • 0.1mi
8/10
Coral Gables Senior High School
Public PreK-12 • Assigned • 6.6mi
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)
73
63
75
66
77
70
79
74
84
79
86
80
86
81
88
81
87
80
83
78
80
73
77
69
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
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
$2.58M – $3.12M
Reach more buyers when you sell with Redfin. Save up to $27,151 in fees.3 minutes to get started.