Off market dec 2024 for $2.8M

$3,311,758

Est. refi paymentEst. refi $20,671/mo

•

1,044

sq ft

442 Warren Ln, Key Biscayne, FL 33149

About this home

Single-familyProperty Type

1950Year Built

7,626 sq ftLot Size

$3,172Est. Price/Sq.Ft.

1 spaceParking

Listed by Bruno Ricci • Fortune Christie's International Real Estate

•786-543-8027 (agent)

•Bricci@fir.com (agent)

•305-400-6393 (broker)

•Rpalma@FortuneIntlGroup.com (broker)

Bought with Adriana Hernandez • Coldwell Banker Realty

•305-361-5722 (broker)

•michaelj.suarez@cbrealty.com (broker)

Redfin checked: 2 minutes ago

•Source:MARMLS #A11598771

Redfin Estimate

$3,311,758

$512K since sold in December 2024$202K since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 19.3% higher than the average sale price ($2.78M) of 6 comparable homes.

SOLD SEP 28, 2026
$2,800,000
A
3 beds2 baths1,312 sq ft
738 Fernwood Rd, Key Biscayne, FL 33149
SOLD JUL 15, 2026
$3,010,000
B
3 beds2 baths2,113 sq ft
204 Westwood Dr, Key Biscayne, FL 33149
SOLD JUN 30, 2026
$2,800,000
C
3 beds2 baths1,403 sq ft
355 Redwood Ln, Key Biscayne, FL 33149
SOLD JUN 29, 2026
$2,600,000
D
3 beds2 baths1,333 sq ft
301 Redwood Ln, Key Biscayne, FL 33149
SOLD AUG 24, 2026
$3,100,000
E
4 beds3 baths2,068 sq ft
301 Hampton Ln, Key Biscayne, FL 33149
SOLD AUG 25, 2026
$2,350,000
F
2 beds2 baths1,248 sq ft
1630 S Bayshore Dr, Miami, FL 33133

Claim this home to receive a free report every month with insights on the changing estimate.

Earn from this home

Sell

$954,578

Est. take-home

List your home with Redfin and save $33,118

Refinance

Est. cash available

Get cash now or lower your monthly rate

Rent

$4,421/mo

Redfin rental estimate

List your home for rent

Market trends in 33149, FL

Last updated October 2026

Buyer's Market

Seller's Market

Buyer's market

Sale-to-list price

95.0%

0.1% MoM

Median sale price

$1.5M

$447 MoM

Avg. days on market

92d

17 days MoM

Recently sold homes

11 MoM

New listings for sale

$2,950,000
3 beds3 baths2,602 sq ft
765 Crandon Blvd #311, Key Biscayne, FL 33149
(305) 365-0711
Property in Key Biscayne, FL 33149
$429,000
Studio1 bath410 sq ft
Key Biscayne, FL 33149
(305) 361-5454
$750,000
2 beds2 baths1,187 sq ft
201 Galen Dr #110, Key Biscayne, FL 33149
(786) 210-3562
$19,450,000
7 beds7.5 baths6,497 sq ft
550 Harbor Dr, Key Biscayne, FL 33149
(305) 345-2023
$1,690,000
2 beds2.5 baths1,460 sq ft
201 E Enid Dr #31, Key Biscayne, FL 33149
(786) 953-5870
$2,400,000
2 beds2 baths1,875 sq ft
881 Ocean Dr Unit 23C, Key Biscayne, FL 33149
(305) 365-0711
$4,450,000
3 beds2.5 baths1,930 sq ft
177 Ocean Lane Dr #501, Key Biscayne, FL 33149
(305) 361-5600
$3,500,000
3 beds3 baths3,120 sq ft
881 Ocean Dr Unit 13H, Key Biscayne, FL 33149
(305) 365-0711
$970,000
2 beds2 baths1,470 sq ft
141 Crandon Blvd #329, Key Biscayne, FL 33149
(305) 361-0099
$765,000
2 beds2 baths1,105 sq ft
77 Crandon Blvd Unit 3C, Key Biscayne, FL 33149
(305) 361-6606
See all

Provided by Redfin

Sale history for 442 Warren Ln

Date

Event

Price

MARMLS #A11598771

Dec 18, 2024

Sold

$2,800,000

$2,682/sq ft

Dec 9, 2024

Pending

—

May 31, 2024

Listed

$3,000,000

$2,874/sq ft

MARMLS #A11561216

Dec 9, 2024

Rental Removed

$7,000

$7/sq ft

Sep 25, 2024

Price Changed

$7,000

$7/sq ft

Jul 2, 2024

Price Changed

$7,500

$7/sq ft

May 6, 2024

Price Changed

$8,500

$8/sq ft

Apr 2, 2024

Listed for Rent

$9,500

$9/sq ft

MARMLS #A10887538

Sep 21, 2020

Sold

$1,200,000

$1,149/sq ft

Aug 24, 2020

Contingent

—

Jul 16, 2020

Price Changed

$1,249,000

$1,196/sq ft

Jul 6, 2020

Listed

$1,325,000

$1,269/sq ft

This is the ultimate summer getaway in Key Biscayne, known as the Island Paradise, just 15 minutes to Miami. A lovingly cared for, adorable beach house, less than a scant mile to the beach, the Ritz Carlton spa and its tennis center, and the Key Biscayne Yatch Club. Less than 2 miles from the Cape Florida State Park and Crandon Park's biking and jogging trails, tennis center and golf course. Private beach access through the Key Biscayne Beach Club, which membership is included; Buyer pays annual fee of approx. $720. Sold "As Is. " Approx. 1,272 SqFt of adj. living area, boasting a 7,626 SqFt lot. Plenty of room for expansion, but right now, you can move in, get your flip flops on and head to the beach for the summer, while envisioning building your brand new 3,500+ SqFt dream home.

MARMLS #A10667263

Dec 1, 2019

Listing Removed

—

Jun 16, 2019

Price Changed

$1,350,000

$1,293/sq ft

Jun 3, 2019

Price Changed

$1,390,000

$1,331/sq ft

May 14, 2019

Price Changed

$1,395,000

$1,336/sq ft

May 1, 2019

Listed

$1,423,000

$1,363/sq ft

MARMLS #A10479143

Dec 1, 2018

Listing Removed

—

Aug 20, 2018

Price Changed

$1,495,000

$1,432/sq ft

Aug 20, 2018

Price Changed

$1,560,000

$1,494/sq ft

Aug 16, 2018

Price Changed

$1,495,000

$1,432/sq ft

Aug 15, 2018

Price Changed

$14,950,000

$14,320/sq ft

Jul 20, 2018

Price Changed

$1,560,000

$1,494/sq ft

Jun 1, 2018

Listed

$1,590,000

$1,523/sq ft

Public Records

Aug 28, 1997

Sold

$288,700

$277/sq ft

Year

Property tax

Land + Additions

Assessment*

2025

$34,631 (+28.5%)

$1,982,760 + $165,654

$2,148,414

2024

$26,954 (+3.5%)

$1,982,760 + $165,654

$2,148,414

2023

$26,039 (+18.0%)

2022

$22,059 (+12.8%)

2021

$19,558 (+17.5%)

2020

$16,649 (−14.3%)

$1,056,201 + $65,333

$1,121,534

2019

$19,436 (+4.8%)

$1,105,770 + $105,077

$1,210,847

2018

$18,554 (−15.6%)

$1,105,770 + $105,242

$1,211,012

2017

$21,974 (+2.3%)

$1,105,770 + $105,242

$1,211,012

2016

$21,488 (+7.2%)

2015

$20,047 (+8.6%)

2014

$18,465 (+14.8%)

2013

$16,083 (+14.5%)

2012

$14,041 (+13.2%)

$724,470 + $118,504

$842,974

2011

$12,403

Tax history for 442 Warren Ln

Year

Property tax

Land + Additions

Assessment*

2025

$34,631 (+28.5%)

$1,982,760 + $165,654

$2,148,414

2024

$26,954 (+3.5%)

$1,982,760 + $165,654

$2,148,414

2023

$26,039 (+18.0%)

2022

$22,059 (+12.8%)

2021

$19,558 (+17.5%)

2020

$16,649 (−14.3%)

$1,056,201 + $65,333

$1,121,534

2019

$19,436 (+4.8%)

$1,105,770 + $105,077

$1,210,847

2018

$18,554 (−15.6%)

$1,105,770 + $105,242

$1,211,012

2017

$21,974 (+2.3%)

$1,105,770 + $105,242

$1,211,012

2016

$21,488 (+7.2%)

2015

$20,047 (+8.6%)

2014

$18,465 (+14.8%)

2013

$16,083 (+14.5%)

2012

$14,041 (+13.2%)

$724,470 + $118,504

$842,974

2011

$12,403

*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.

Public record

Public record
Zoning
Permits

Beds

Baths

Stories

Lot width

—

Lot depth

—

Lot size

7,626 Sq. Ft.

Year renovated

1980

Sq. Ft.

1,044

Year built

1950

Style

Single Family Residential

County

Miami-Dade County

APN

2442320040160

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Oct 14, 2026.

Jan 30, 2026 • Final

Master building

Construct a retaining wall and perform site improvements including the addition of fill.

Grading

Nov 11, 2025 • Final

Master building

Construct a new one-story residential building.

New construction

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

Parking

Parking
Features: Driveway, Golf Cart Garage

Interior

Virtual Tour

Bathroom Information
# of Full Bathrooms: 1

Room Information
Room Types: Attic, Family Room

Equipment
Appliances: Dryer, Dishwasher, Refrigerator

Interior Features
Unfurnished
Flooring: Ceramic Tile, Marble, Tile
Other Features: Bedroom on Main Level, First Floor Entry, Living/Dining Room, Main Level Primary, Attic

Exterior

Building Information
Stories: 1
Year Built Details: Resale
Roof Details: Flat, Roof Over, Tile
Construction Details: Block

Exterior Features
Exterior Features: Fence, Shed, Awning(s), Storm/Security Shutters

Green Features
Green Energy Efficient: Appliances

Pool and Spa Information
Pool Features: Community

Lot Information
Lot Size Area: 7,626
Lot Features: Less Than Quarter Acre
Zoning Description: 0100

Property Information
Direction Faces: East

Financial

Tax Information
Annual Tax Amount: $26,038
Tax Year: 2023

Lease Information
Lease Considered

Rental Information
PetsAllowedYN: Pets Allowed
Pets Allowed Details: Conditional, Yes

Utilities

Utility Information
Sewer: Public Sewer
Water Source: Public

Heating & Cooling
Has Cooling
Cooling: Central Air, Electric
Has Heating
Heating: Central, Electric

Location

Community Information
Community Features: Beach, Club Membership Available, Pool

Public facts

Beds: 3
Baths: 1.0
Sq. Ft.: 1,044
Stories: 1.0
Lot Size: 7,626 square feet
Style: Single Family Residential
Year Built: 1950
Year Renovated: 1980
County: Miami-Dade County
APN: 2442320040160

Home facts updated by county records on Oct 14, 2026

Around this home

Schools

Key Biscayne K-8 Center

Public PreK-8 • Assigned • 0.2mi

8/10

Coral Gables Senior High School

Public PreK-12 • Assigned • 6.5mi

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

10/10 Heat Factor

7 days above 102° expected this year, 28 days in 30 years

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)

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

$3.15M – $3.81M

Reach more buyers when you sell with Redfin. Save up to $33,118 in fees. 3 minutes to get started.

Need the cash from your home fast? Sell to .

Nearby similar homes

$735,000

2 beds2 baths1,369 sq ft

999 SW 1st Ave #3206, Miami, FL 33130

Private balcony • Elevated views • Impact windows

(954) 326-9419

$2,600,000

Land— sq ft

1625 S Miami Ave, Miami, FL 33129

Quiet lot • Desired s miami ave • Fully approved plans

(305) 374-3434

$5,990,000

5 beds4.5 baths4,759 sq ft

501 Bay Ln, Key Biscayne, FL 33149

Generous lot • Light filled home • Private backyard

(305) 365-2811

$2,950,000

6 beds6.5 baths4,496 sq ft

1651 SW 13th Ave, Miami, FL 33145

Heated lap pool • Cabana bath • Steam shower

(305) 975-7880

$475,000

2 beds2 baths1,430 sq ft

145 SE 25th Rd #602, Miami, FL 33129

Community amenities • Exercise room • Prime miami location

(305) 697-2904

$2,375,000

4 beds3.5 baths2,909 sq ft

101 SW 21st Rd, Miami, FL 33129

Renovated • Great room • Covered patio

(305) 695-6060

New listings for sale in 33149

$2,950,000

3 beds3 baths2,602 sq ft

765 Crandon Blvd #311, Key Biscayne, FL 33149

Enclosed playroom • Serene lake views • $3,395 HOA

(305) 365-0711

$429,000

Studio1 bath410 sq ft

Key Biscayne, FL 33149

Access to beaches • Access to parks • Access to shops

(305) 361-5454

$750,000

2 beds2 baths1,187 sq ft

201 Galen Dr #110, Key Biscayne, FL 33149

Redesigned kitchen • Redesigned bathroom • Enclosed balcony

(786) 210-3562

$19,450,000

7 beds7.5 baths6,497 sq ft

550 Harbor Dr, Key Biscayne, FL 33149

Waterfront estate • Double lot • Outdoor entertaining

(305) 345-2023

$1,690,000

2 beds2.5 baths1,460 sq ft

201 E Enid Dr #31, Key Biscayne, FL 33149

Remodeled townhome • Sub-zero appliances • Two-car garage

(786) 953-5870

$2,400,000

2 beds2 baths1,875 sq ft

881 Ocean Dr Unit 23C, Key Biscayne, FL 33149

Pass-through views • Water views • Remodeled apartment

(305) 365-0711

$4,450,000

3 beds2.5 baths1,930 sq ft

177 Ocean Lane Dr #501, Key Biscayne, FL 33149

Beachfront • Oceanfront • Widest beach stretch

(305) 361-5600

$3,500,000

3 beds3 baths3,120 sq ft

881 Ocean Dr Unit 13H, Key Biscayne, FL 33149

Waterfront living • Gated entrance • Attended lobby

(305) 365-0711

$970,000

2 beds2 baths1,470 sq ft

141 Crandon Blvd #329, Key Biscayne, FL 33149

Private balconies • Outdoor entertaining • Private beach access

(305) 361-0099

Home values near 442 Warren Ln

Data from public records.

Address	Redfin Estimate
452 Warren Ln, Key Biscayne, FL 3 Beds \| 3 Baths \| 2394 Sq. Ft.	$3,345,363
422 Warren Ln, Key Biscayne, FL 4 Beds \| 3 Baths \| 1859 Sq. Ft.	$3,485,892

Address	Redfin Estimate
482 Warren Ln, Key Biscayne, FL 5 Beds \| 4 Baths \| 1467 Sq. Ft.	$3,007,450
475 Warren Ln, Key Biscayne, FL 3 Beds \| 2 Baths \| 1433 Sq. Ft.	$3,090,779

Address	Redfin Estimate
400 Warren Ln, Key Biscayne, FL 4 Beds \| 3 Baths \| 4076 Sq. Ft.	$5,630,377
412 Warren Ln, Key Biscayne, FL 4 Beds \| 2.5 Baths \| 3084 Sq. Ft.	$3,641,521

Property information provided by MARMLS when last listed in 2024. This data may not match . Learn more.

Download the Redfin App on the Apple App Store

Download the Redfin App from the Google Play Store

Join us

Become an Agent

Get referrals

Careers

Find homes faster

About us

Find us

Subsidiaries

Affiliated Business

Countries

United States

Canada

Updated September 2025: By searching, you agree to the Terms of Use, and Privacy Policy.

Do not sell or share my personal information.

REDFIN and all REDFIN variants, WALK SCORE, and the R logos, are trademarks of Redfin Corporation, registered or pending in the USPTO.

California DRE #01521930

Redfin is licensed to do business in New York as Redfin Real Estate. NY Standard Operating Procedures

New Mexico Real Estate Licenses

TREC: Info About Brokerage Services, Consumer Protection Notice

All mortgage lending products and information are provided by Rocket Mortgage, LLC | NMLS #3030; www.NMLSConsumerAccess.org. Licensed in 50 states. This site is not authorized by the New York State Department of Financial Services for mortgage solicitation or loan applications activities related to properties located in the State of New York.

Redfin Corporation is an affiliated business of Rocket Limited Partnership. Each company, and their subsidiaries, are separate legal entities operated and managed through its own management and governance structures.

If you are using a screen reader, or having trouble reading this website, please call Redfin Customer Support for help at 1-844-759-7732.

REDFIN IS COMMITTED TO AND ABIDES BY THE FAIR HOUSING ACT AND EQUAL OPPORTUNITY ACT. READ REDFIN'S FAIR HOUSING POLICY AND THE NEW YORK STATE FAIR HOUSING NOTICE.

GreatSchools Ratings provided by GreatSchools.org.

Houses for rent in Key Biscayne	Agents near me	Sarasota, FL homes for sale	Key Biscayne Housing Market
Houses for sale near me	Orlando, FL homes for sale	Fort Lauderdale, FL homes for sale
Land for sale near me	Tampa, FL homes for sale	Boca Raton, FL homes for sale
Open Houses near me	Miami, FL homes for sale	Key Biscayne Property Records
Condos for sale near me	Jacksonville, FL homes for sale	FL New Listings

Miami homes for sale
Miami Beach homes for sale
Coral Gables homes for sale

About this home

Redfin Estimate

Earn from this home

Market trends in 33149, FL

Sale history for 442 Warren Ln

Tax history for 442 Warren Ln

Public record

Property details

Around this home

Schools

Lifestyle

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 33149

Home values near 442 Warren Ln

More real estate resources