Located in one of the most exclusive residential pockets of Key Biscayne, surrounded by multi-million-dollar estates, this beautifully designed 5-bedroom, 4 full bathroom home offers the perfect balance of privacy, functionality, and tropical lifestyle. The layout is thoughtfully distributed with a private primary suite on one side, a separate nanny/guest suite with its own bathroom, and a dedicated wing for the children’s bedrooms—ideal for both family living and entertaining. Just steps from top-rated schools and only 10 minutes from the beach, the property features a stunning outdoor space with a resort-style pool and a charming tiki bar, creating the ultimate South Florida oasis. A rare opportunity to own in a highly sought-after neighborhood where surrounding homes reach $10M+.
VERY SPECIAL HOME FOR SALE! HIGH CEILINGS, ALL TILED, OPEN FLOOR PLAN, 4 BED, 3 BATH, HUGE ATTIC SPACE, BUILT IN GUEST (IN-LAWS) QUARTERS, LARGER 8,136 SQFT. LOT, NEWLY BUILT IN 1993 AS PER OWNER. BEACH CLUB MEMBERSHIP INCLUDED.
Year
Property tax
Land + Additions
Assessment*
2025
$22,266 (+2.4%)
2024
$21,738 (+1.4%)
2023
$21,448 (+5.5%)
2022
$20,338 (−0.2%)
2021
$20,377 (+6.6%)
2020
$19,108 (−13.6%)
2019
$22,111 (+3.2%)
$1,179,720 + $192,741
$1,372,461
2018
$21,418 (−19.1%)
$1,179,720 + $194,351
$1,374,071
2017
$26,480 (−4.7%)
$1,179,720 + $194,351
$1,374,071
2016
$27,787 (+146.1%)
$1,480,752 + $197,573
$1,678,325
2015
$11,289 (−1.6%)
$1,480,752 + $197,573
$1,678,325
2014
$11,470 (+2.0%)
2013
$11,241 (+1.3%)
2012
$11,095 (+2.5%)
$772,920 + $297,601
$1,070,521
2011
$10,822
Public record
Public record
Zoning
Permits
Beds
4
Baths
3
Stories
1
Lot width
—
Lot depth
—
Lot size
8,136 Sq. Ft.
Year renovated
1980
Finished Sq. Ft.
2,700
Unfinished Sq. Ft.
—
Total Sq. Ft.
2,700
Year built
1950
Style
Single Family Residential
County
Miami-Dade County
APN
2442320040220
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Oct 14, 2026.
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
Jun 9, 2025 • Final
Master electrical
Electrical
Electric meter
Oct 21, 2024 • Final
Sub-permit public works
Work on a driveway.
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.
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
88
82
88
81
86
78
83
78
80
73
77
69
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
93/ 100
Exceptional sunlight
Sunscore
This home ranks in the top 16% for direct sun exposure in Key Biscayne. There appears to be minimal shading by surrounding buildings, terrain, and vegetation.
9.9 hrs
7 hrs
JuneDecember
Provided by Shadowmap
Redfin Estimate for 524 Warren Ln
We cannot show automated home-value estimates for this home.
Nearby homes have recently sold between $3,000,000 and $4,700,000.
Nearby comparable homes
The Redfin Estimate uses 6 recent nearby sales, priced between $3.0M to $4.7M.