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401 Warren Lane, Key Biscayne, FL 33149 Property Information

401 Warren Lane, Key Biscayne, FL 33149 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Neighborhood
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401 Warren Lane, Key Biscayne, FL 33149
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Address

Primary address 401 Warren Lane, Key Biscayne
Zip code 33149
County Miami-Dade
Municipality Key Biscayne
Parcel ID 2442320040330

Sales & Tax Overview for 401 Warren Lane, Key Biscayne

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Sale date 04/23/2026
Sale price $3,000,000
Arm's length
Current property tax $21,752

Lot & Building Information for 401 Warren Lane, Key Biscayne

Building sqft 3,313
Building class Residential - Single Family: 1 Unit (0101)
Acreage 0.188
Year built 1951
Stories 1
Units 1
Bedrooms 3
Bathrooms 1
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Zoning, Use & Area Overview

Walk Score
Transit Score
Bike Score


Zoning district
School district Miami-Dade County Public Schools

View more neighborhood information such as transportation, nearby schools and risk designations in the dedicated tab.

Other Property Data for 401 Warren Lane, Key Biscayne

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  • • Improvements for 401 Warren Lane, Key Biscayne , including their type, square footage, grade and when they were built.
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About 401 Warren Lane, Key Biscayne

What is the year built & the total sq. ft. for 401 Warren Lane, Key Biscayne, FL 33149?

401 Warren Lane, Key Biscayne, FL 33149 was built in 1951 and has a total of 3,313 square feet.

What is the assessed value of 401 Warren Lane, Key Biscayne, FL 33149 and the property tax paid?

Assessed at $1,447,080, the tax amount paid for 401 Warren Lane, Key Biscayne, FL 33149 is $29,783.

When was 401 Warren Lane, Key Biscayne, FL 33149 last sold and what was the last sale price?

401 Warren Lane, Key Biscayne, FL 33149 was last sold in 04/23/2026 for $3,000,000.

Ownership Information

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Real Estate Reports:
Lucian Alixandrescu, May 27, 2026 NYC Office Market Ahead of National Curve: Manhattan Q1 Vacancy Drops to 13.1% 
New York City’s office market outpaced the U.S. on several major metrics in Q1, with Manhattan vacancy nearly 5 percentage points below the national benchmark, asking rents climbing against a downward national trend and flex inventory crossing 15 million square feet.
Laura Pop-Badiu, May 21, 2026 How to Find Land Boundaries: Free & Paid Methods
If you need to find land boundaries fast, you can start with a free county parcel/GIS viewer or a premium platform like PropertyShark to see an approximate parcel outline and lot data. However, keep in mind that a web-based land boundaries map is a starting point, not the legal finish line.
Laura Pop-Badiu, May 07, 2026 Locked-In Owners, Mobile Renters: Homeowners Stay Put as Renters Move 3.7x More Across Largest U.S. Cities 
Renters became the primary drivers of long-distance mobility across the largest U.S. cities, moving 3.7 times more than owners in 2024, as high mortgage rates and housing costs kept many homeowners in place.
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Past Sales & Property History for 401 Warren Lane, Key Biscayne

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Purchase date Purchase price Buyer name Seller name
04/23/2026 $3,000,000
07/15/2022 $10
04/05/2001 $10
       
       
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*Here are the three most recent sales for this property.


Title Documents for 401 Warren Lane, Key Biscayne

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Date Type Amount Party 1 Party 2 Maturity Document Related documents Doc image
04/23/2026 - D
04/29/2026 - R
Deed
07/15/2022 - D
07/15/2022 - R
Deed
07/15/2022 - D
07/15/2022 - R
Affidavit
04/05/2001 - R Quit Claim Deed
06/11/1992 - R Notice of Commencement
10/24/1991 - R Warranty Deed
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R: Recorded date
D: Document date

Property Taxes for 401 Warren Lane, Key Biscayne

Access detailed property tax data for 401 Warren Lane, Key Biscayne, FL 33149. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year: 2025
Base tax $29,784
Current property tax $21,752
Market value $2,553,420
Assessed value $1,447,080

Assessment History for 401 Warren Lane, Key Biscayne

Here's the assessment & property tax history for 401 Warren Lane, Key Biscayne, including the evolution of the total tax rate and corresponding property tax.

Year Market value Assessment value Total tax rate Property tax Year over year change
2025 $2,553,420 $1,447,080 15.5108 $29,784 +7.32%
2024 $2,282,239 $1,406,298 15.6226 $27,753 -0.33%
2023 $2,286,802 $1,365,338 15.8731 $27,845 +13.47%
2022 $1,852,988 $1,325,571 15.8911 $24,540 +13.84%
2021 $1,398,331 $1,244,484 16.4556 $21,557 +2.30%

Risk

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FEMA flood zone(s) AE (See more on map)

Transportation

Access the detailed traffic volume map for 401 Warren Lane, Key Biscayne to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.

View daily traffic map

Schools

Nearest elementary schools

Name Rating Type Grade range No of students Distance to school (mi)
Key Biscayne K-8 Center 8 Public PK, K-8 921 0.22
Key Biscayne K-8 Center 8 Public PK, K-8 921 0.22
Key Biscayne Presbyterian School NR Private PK-1 160 0.41
Key Biscayne Presbyterian School NR Private PK-1 160 0.41
St Christophers Montessori NR Private PK-5 103 0.45

Nearest middle schools

Name Rating Type Grade range No of students Distance to school (mi)
Key Biscayne K-8 Center 8 Public PK, K-8 921 0.22
St Agnes Academy NR Private PK-8 498 0.48
Mast Academy 10 Public 6-12 1,535 3.14
Amikids Miami-Dade South NR Public 6-12 14 3.19
Ransom Everglades School NR Private 6-8 0 4.73

Nearest high schools

Name Rating Type Grade range No of students Distance to school (mi)
Mast Academy 10 Public 6-12 1,535 3.14
Amikids Miami-Dade South NR Public 6-12 14 3.19
Immaculata-La Salle High School NR Private 9-12 869 4.42
Immaculata-La Salle High School NR Private 9-12 0 4.43
Kingsbury Academy NR Private K-12 0 4.85

Data provided by GreatSchools.org © 2025. All rights reserved.

Neighbors for 401 Warren Lane, Key Biscayne

Here are the neighbors for 401 Warren Lane, Key Biscayne.

Address Square feet Purchase date Purchase price
400 Hampton Ln, Key Biscayne 8,450 05/27/2011 $2,520,000
422 Hampton Ln, Key Biscayne 3,846 05/20/2009 $10
452 Hampton Ln, Key Biscayne 3,278 05/10/2024 $3,700,000
425 Warren Ln, Key Biscayne 2,229 05/02/2014 $431,000
482 Hampton Ln, Key Biscayne 2,168 06/01/1977
435 Warren Ln, Key Biscayne 2,017 10/21/2022 $10
442 Hampton Ln, Key Biscayne 1,992 11/16/1983
455 Warren Ln, Key Biscayne 2,151 01/05/2021 $1,800,000
475 Warren Ln, Key Biscayne 1,549 10/09/2020 $1,250,000
485 Warren Ln, Key Biscayne 1,388 06/16/2021 $1,850,000
432 Hampton Ln, Key Biscayne 1,864 11/02/2021 $10
445 Warren Ln, Key Biscayne 5,334 04/08/2025 $10
512 Hampton Ln, Key Biscayne 3,003 12/23/2002 $330,000
412 Hampton Ln, Key Biscayne 3,218 09/16/2008 $1,400,000
462 Hampton Ln, Key Biscayne 2,021 10/07/2015 $10
472 Hampton Ln, Key Biscayne 4,032 09/23/2019 $10
415 Warren Ln, Key Biscayne 1,511
525 Warren Ln, Key Biscayne 4,488 09/17/2015 $1
465 Warren Ln, Key Biscayne 3,979 02/15/2019 $0
515 Warren Ln, Key Biscayne 2,030 04/08/2025 $3,250,000

Nearby ZIP Codes for 401 Warren Lane, Key Biscayne

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