524 Warren Ln Key Biscayne, FL 33149
Key Biscayne AreaEstimated payment $22,535/month
Highlights
- 1 Bedroom Guest House
- Concrete Pool
- Garden View
- Key Biscayne K-8 Center Rated A-
- Main Floor Bedroom
- 5-minute walk to Harbor Drive Park
About This Home
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+.
Home Details
Home Type
- Single Family
Est. Annual Taxes
- $22,265
Year Built
- Built in 1950
Lot Details
- 8,136 Sq Ft Lot
- Southwest Facing Home
- Fenced
- Property is zoned 0100
Parking
- 1 Car Garage
- Circular Driveway
- Open Parking
- Golf Cart Parking
Home Design
- Barrel Roof Shape
- Slab Foundation
- Pre-Cast Concrete Construction
Interior Spaces
- 2,700 Sq Ft Home
- Central Vacuum
- Ceiling Fan
- Family Room
- Formal Dining Room
- Utility Room in Garage
- Concrete Flooring
- Garden Views
Kitchen
- Dome Kitchens
- Built-In Oven
- Electric Range
- Microwave
- Ice Maker
- Dishwasher
Bedrooms and Bathrooms
- 5 Bedrooms
- Main Floor Bedroom
- In-Law or Guest Suite
- 4 Full Bathrooms
- Bidet
- Dual Sinks
- Shower
Laundry
- Laundry in Garage
- Dryer
- Washer
Pool
- Concrete Pool
- In Ground Pool
- Gunite Pool
Outdoor Features
- Patio
- Exterior Lighting
- Outdoor Grill
Additional Homes
- 1 Bedroom Guest House
- One Bathroom Guest House
Schools
- Keybiscayne Elementary School
- Ponce De Leon Middle School
- Coral Gables High School
Utilities
- Central Heating and Cooling System
- Electric Water Heater
Listing and Financial Details
- Assessor Parcel Number 24-42-32-004-0220
Community Details
Overview
- No Home Owners Association
- Tropical Isle Homes Sub 1 Subdivision
Amenities
- Picnic Area
- Laundry Facilities
Map
Home Values in the Area
Average Home Value in this Area
Tax History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Year | Tax Paid | Tax Assessment Tax Assessment Total Assessment is a certain percentage of the fair market value that is determined by local assessors to be the total taxable value of land and additions on the property. | Land | Improvement |
|---|---|---|---|---|
| 2025 | $22,266 | $1,361,221 | ||
| 2024 | $21,448 | $1,322,859 | ||
| 2023 | $21,448 | $1,284,330 | $0 | $0 |
| 2022 | $20,338 | $1,246,923 | $0 | $0 |
| 2021 | $20,377 | $1,210,605 | $0 | $0 |
| 2020 | $19,108 | $1,193,891 | $1,002,762 | $191,129 |
| 2019 | $22,111 | $1,372,461 | $1,179,720 | $192,741 |
| 2018 | $21,418 | $1,374,071 | $1,179,720 | $194,351 |
| 2017 | $26,480 | $1,676,714 | $0 | $0 |
| 2016 | $27,787 | $1,678,325 | $0 | $0 |
| 2015 | $11,289 | $729,890 | $0 | $0 |
| 2014 | $11,470 | $724,098 | $0 | $0 |
Property History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Date | Event | Price | List to Sale | Price per Sq Ft | Prior Sale |
|---|---|---|---|---|---|
| 08/17/2026 08/17/26 | For Sale | $3,730,000 | 0.0% | $1,381 / Sq Ft | |
| 08/08/2026 08/08/26 | Pending | -- | -- | -- | |
| 06/16/2026 06/16/26 | Price Changed | $3,730,000 | -0.5% | $1,381 / Sq Ft | |
| 05/18/2026 05/18/26 | Price Changed | $3,750,000 | -2.6% | $1,389 / Sq Ft | |
| 04/10/2026 04/10/26 | For Sale | $3,850,000 | +87.8% | $1,426 / Sq Ft | |
| 04/16/2015 04/16/15 | Sold | $2,050,000 | -6.0% | $756 / Sq Ft | View Prior Sale |
| 03/02/2015 03/02/15 | Pending | -- | -- | -- | |
| 11/19/2014 11/19/14 | For Sale | $2,180,000 | -- | $804 / Sq Ft |
Purchase History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Date | Type | Sale Price | Title Company |
|---|---|---|---|
| Warranty Deed | $2,050,000 | None Available |
Mortgage History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Date | Status | Loan Amount | Loan Type |
|---|---|---|---|
| Open | $330,000 | Credit Line Revolving | |
| Open | $1,435,000 | New Conventional | |
| Previous Owner | $938,250 | Reverse Mortgage Home Equity Conversion Mortgage | |
| Previous Owner | $20,000 | Credit Line Revolving |
Source: MIAMI REALTORS® MLS
MLS Number: A11999112
APN: 24-4232-004-0220
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IDX information is provided exclusively for personal, non-commercial use, and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information is deemed reliable but not guaranteed.
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