Key Biscayne

Zip Code 33149

7,452 properties in Miami-Dade County

7,452
Properties
$955K
Median Assessed
$1,654,806
Average Assessed
$157.8M
Highest Value

Recent Sales

Major Construction

KIBLER, LLC DBA:KIBLER CONSTRUCTION $8,000,480
GENERAL (COUNTY)
RSI OF FLORIDA LLC $950,000
GRAVEL, SBS, SINGLE PLY, ETC.
ARELLANO CONSTRUCTION COMPANY $854,100
GENERAL (COUNTY)
PARSA CORPORATION $800,000
GENERAL (COUNTY) WINDOWS
KEARNS CONSTRUCTION COMPANY $734,000
GENERAL (COUNTY)

Active Construction

156 building permits on record — top projects by estimated cost

4600 RICKENBACKER CSWY, Miami-Dade County, FL 33149
KIBLER, LLC DBA:KIBLER CONSTRUCTION · 2024-05-14
GENERAL (COUNTY)
$8.0M
4600 RICKENBACKER CSWY, Miami-Dade County, FL 33149
RSI OF FLORIDA LLC · 2024-03-25
GRAVEL, SBS, SINGLE PLY, ETC.
$950K
Key Biscayne, FL 33149
ARELLANO CONSTRUCTION COMPANY · 1992-03-05
GENERAL (COUNTY)
$854K
7200 CRANDON BLVD, Miami-Dade County, FL 33149
PARSA CORPORATION · 2024-01-22
GENERAL (COUNTY) WINDOWS
$800K
4600 RICKENBACKER CSWY, Miami-Dade County, FL 33149
KEARNS CONSTRUCTION COMPANY · 2025-08-13
GENERAL (COUNTY)
$734K
View all 156 permits →

Neighborhood Intelligence

Data-driven metrics for Key Biscayne (33149) from cross-referencing property, ownership, sales, and business records.

34.2%
Owner-Occupied
65.8%
Investor-Owned
119
Flips Since 2020
3,025
New Businesses (3yr)
20
Code Violations
1,952
LLC Transfers
50.3%
Mortgaged
$4,001
Median Mortgage/mo
$3,501
Median Rent

About Key Biscayne

Key Biscayne (zip code 33149) in Miami-Dade County contains 7,452 properties with a median assessed value of $955K.

The average property assessment is $1,654,806, with values ranging from $1,388 to $157,850,000.

The median household income in this area is $170,682.

The median home value is $1,539,500.

The population density is 16,591 people per square mile.

The largest property owners in Key Biscayne (33149) include GB JT HOTEL PARTNERS LP, VILLAGE OF KEY BISCAYNE, MIAMI-DADE COUNTY PARKS AND RECREATION.

Explore More

Demographics

Median Income$170,682
Median Home$1,539,500
Pop Density16,591/sqmi

Schools

MAST ACADEMY
high 1,535 students 19.700000762939453:1 ratio
KEY BISCAYNE K-8 CENTER
primary 921 students 17.700000762939453:1 ratio
AMIKIDS MIAMI-DADE SOUTH
high 14 students