422 Warren Ln
Key Biscayne, FL 33149
- 4 Beds
- 3 Baths
- 1,859 sqft
4 Beds
3 Baths
1,859 sqft
Home Value
Trulia Estimate
$3.34MSince last month
Increased$130K (+4.1%)Since last year
Increased$550K (+19.7%)Since last sale
Increased$494K (+17.3%)Learn more about this home's value by checking out its Trulia Estimate, the value of nearby homes, and how much similar homes have sold for.
Trulia Estimate
The of this home's value increased by +81% in the last 10 years
| Month | Estimated value |
|---|---|
2026 | |
| August 2026 | $3.34M |
| July 2026 | $3.21M |
| June 2026 | $3.02M |
| May 2026 | $2.8M |
| April 2026 | $2.79M |
| March 2026 | $2.78M |
| February 2026 | $2.77M |
| January 2026 | $2.76M |
2025 | |
2024 | |
2023 | |
2022 | |
2021 | |
2020 | |
2019 | |
2018 | |
2017 | |
2016 | |
Comparable sales
These are recently sold homes that have a similar location or other similar features to this home, like bedrooms, bathrooms, and square footage. Get a sense of the expected prices in the area by viewing these homes.Address | Distance | Property Type | Sold Price | Sold Date | Bed | Bath | Sqft |
|---|---|---|---|---|---|---|---|
0.15 | Single-Family Home | $2,600,000 | 09/19/25 | 4 | 3 | 1,570 | |
0.05 | Single-Family Home | $2,600,000 | 06/29/26 | 3 | 2 | 1,333 | |
0.12 | Single-Family Home | $2,800,000 | 06/30/26 | 3 | 2 | 1,403 | |
0.10 | Single-Family Home | $3,000,000 | 05/06/26 | 3 | 2 | 1,304 | |
0.08 | Single-Family Home | $4,475,000 | 04/10/26 | 4 | 3.5 | 3,666 | |
0.24 | Single-Family Home | $3,500,000 | 01/16/26 | 4 | 3.5 | 2,775 | |
0.30 | Single-Family Home | $3,125,000 | 03/09/26 | 5 | 3.5 | 2,429 |
Nearby home prices
Get a sense of expected prices in the area by checking the value of nearby homes.Address | Distance | Price | Bed | Bath | Sqft | Status |
|---|---|---|---|---|---|---|
0.03 | $2,961,400 | 2 | 1 | 1,044 | Off Market | |
0.05 | $2,600,000 | 3 | 2 | 1,333 | Recently Sold | |
0.05 | $4,124,700 | 4 | 4 | 2,744 | Off Market | |
0.09 | $4,400,000 | 5 | 5 | 3,230 | Recently Sold | |
0.10 | $3,150,400 | 4 | 3 | 2,030 | Off Market | |
0.08 | $4,475,000 | 4 | 3.5 | 3,666 | Recently Sold | |
0.08 | $4,554,100 | 5 | 4 | 3,468 | Off Market | |
0.11 | $3,186,400 | 4 | 3 | 1,754 | Off Market | |
0.12 | $3,730,000 | 5 | 4 | 2,700 | For Sale | |
0.12 | $5,560,300 | 6 | 6.5 | 5,839 | Off Market | |
0.09 | $4,728,500 | 4 | 5 | 3,284 | Off Market |
Local Information
-- mins to
Home Highlights
Property Type
Single-Family Home
Year Built
1950
Living Area
1,859 sqft
Price/Sqft
$1,798
Parking
Open Parking
About this House
CHARMING HOME WITH 4 BEDROOMS, 3 BATHS, PLUS DEN/OFFICE, AND HEATED POOL. HIGH VAULTED CEILINGS WITH EXPOSED WOODEN BEAMS, SPACIOUS FAMILY ROOM WITH POOL VIEWS, WOOD AND CERAMIC FLOORS THROUGHOUT. SPLIT FLOOR PLAN WITH MASTER SUITE AND PRIVATE DEN/OFFICE ON THE RIGHT SIDE; AND 3 BEDROOMS/2 BATHS ON THE LEFT SIDE. MASTER SUITE OPENS TO THE INVITING BACKYARD AND POOL AREA. LOTS OF NATURAL LIGHT, A PROVENCE FEELING! WALKING DISTANCE TO VILLAGE GREEN PARK, COMMUNITY CENTER, SUPERMARKET, RESTAURANTS, KB COMMUNITY SCHOOL, AND MUCH MORE. EASY TO SHOW!
422 Warren Ln, Key Biscayne, FL 33149 is a 4 bedroom, 3 bathroom, 1,859 sqft single-family home built in 1950. It last sold for $2,850,000 on Nov 18, 2024 (3% below the $2,950,000 asking price). More recently, it was listed as a rental in October 2023 with an asking price of $12,950 per month. That rental listing was removed on December 19, 2023. It is currently off market. The Trulia Estimate is $3,342,100, with a rent estimate of $7,688/month.
Last check for updates: about 5 hours ago
Listed by Roberta Fittipaldi, (305) 970-2440
United Realty Group, Inc
Bought with: Joan Mc Caughan, (305) 775-8230, Coldwell Banker Realty
Originating MLS: A-Miami Association of REALTORS
Source: MIAMI, MLS#A11659874

Home Details for 422 Warren Ln
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Beds & Baths Number of Bedrooms: 4Number of Bathrooms: 3Number of Bathrooms (full): 3 |
Appliances & Utilities Appliances: Dishwasher, Disposal, Dryer, Electric Water Heater, Microwave, Electric Range, Refrigerator, WasherDishwasherDisposalDryerMicrowaveRefrigeratorWasher |
Heating & Cooling Heating: Central,ElectricHas CoolingAir Conditioning: Central Air,ElectricHas HeatingHeating Fuel: Central |
Fireplace & Spa No Spa |
Windows, Doors, Floors & Walls Window: BlindsFlooring: Ceramic Tile, Wood |
Levels, Entrance, & Accessibility Stories: 1Entry Location: First Floor Entry, FoyerFloors: Ceramic Tile, Wood |
View Has a ViewView: Garden, Pool |
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Exterior Home Features Roof: Curved S Tile RoofPatio / Porch: Awning(s), PatioHas a Private Pool |
Parking & Garage No GarageHas Open ParkingParking: Driveway |
Pool Pool: Heated, Pool OnlyPool |
Frontage Road Frontage: Public RoadNot on Waterfront |
Water & Sewer Sewer: Public Sewer |
Farm & Range Not Allowed to Raise Horses |
Surface & Elevation Elevation Units: Feet |
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Year Built Year Built: 1950 |
Property Type / Style Property Type: ResidentialProperty Subtype: Single Family ResidenceStructure Type: House, DetachedArchitecture: House,Detached |
Building Building Name: Tropical Isle Homes Sub 1Construction Materials: CBS Construction |
Property Information Usage of Home: Unknown/WithheldParcel Number: 2442320040140 |
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Price List Price: $2,950,000 |
Status Change & Dates Off Market Date: Mon Oct 21 2024Possession Timing: Funding |
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MLS Status: Closed |
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Direction & Address City: Key BiscayneCommunity: Tropical Isle Homes Sub 1 |
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Building Area Building Area: 1859 Square Feet |
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Community Features: Other, Other Subdiv/Park Info |
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Association for this Listing: A-Miami Association of REALTORSNo HOA |
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Lot Area: 7626 sqft |
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Contingencies: No ContingenciesListing Terms: All Cash, Conventional |
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Mls Number: A11659874 |
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OtherOther Subdiv/Park InfoSource Internet Entire Listing Display |
Price and Tax history
| Date | Event | Price |
|---|---|---|
Nov 18, 2024 Source: MIAMI #A11659874 | Sold | $2,850,000 |
Oct 22, 2024 Source: MIAMI #A11659874 | Pending | $2,950,000 |
Sep 16, 2024 Source: MIAMI #A11659874 | Listed For Sale | $2,950,000 |
Dec 19, 2023 Source: MIAMI #A11464464 | ListingRemoved | |
Oct 11, 2023 Source: MIAMI #A11464464 | Listed For Rent | $12,950 |
Nov 7, 2019 Source: Agent Provided | ListingRemoved | $5,990 |
Oct 28, 2019 Source: Agent Provided | Listed For Rent | $5,990 |
Nov 6, 2018 Source: Agent Provided | ListingRemoved | $6,000 |
Sep 10, 2018 Source: Agent Provided | PriceChange | $6,000 Price decreased by 12% |
Jul 28, 2018 Source: Agent Provided | PriceChange | $6,800 Price decreased by 8% |
May 31, 2018 Source: Agent Provided | Listed For Rent | $7,400 |
May 18, 2017 Source: Agent Provided | ListingRemoved | $7,000 |
Mar 17, 2017 Source: Agent Provided | PriceChange | $7,000 Price decreased by 7% |
Mar 3, 2017 Source: Agent Provided | Listed For Rent | $7,500 |
Nov 29, 2016 Source: Agent Provided | ListingRemoved | $7,500 |
Mar 20, 2015 Source: Agent Provided | ListingRemoved | $8,000 |
Jun 14, 2014 Source: Agent Provided | PriceChange | $8,000 Price decreased by 20% |
Oct 22, 2013 Source: Agent Provided | PriceChange | $10,000 Price increased by 25% |
Jul 30, 2011 Source: Agent Provided | Listed For Rent | $8,000 |
Sep 8, 2010 Source: N/A | Sold | $1,040,000 |
Feb 27, 2010 Source: Agent Provided | Listed For Sale | $1,140,000 |
Dec 13, 2009 Source: Agent Provided | ListingRemoved | $1,140,000 |
Aug 2, 2009 Source: Agent Provided | Listed For Sale | $1,140,000 |
Jun 11, 2009 Source: Agent Provided | ListingRemoved | $1,140,000 |
May 22, 2009 Source: Agent Provided | Listed For Sale | $1,140,000 |
Nov 30, 2004 Source: N/A | Sold | $1,080,000 |
Apr 15, 1997 Source: N/A | Sold | $280,000 |
| Year | Property tax | Tax assessment |
|---|---|---|
| 2025 | $35,497 | $2,187,918 |
Home facts updated by county records
Market trends in Key Biscayne
Last updated July 2026
Avg. sale price
$1.56M
$26.67KMoM
Sale-to-List Price
94.6%
Price per sq ft
$981
$37MoM
Available listings
144
15MoM
Around this home
What Locals Say about Key Biscayne
At least 116 Trulia users voted on each feature.
94 % Say it's walkable to grocery stores
94 % Say kids play outside
90 % Say it's dog friendly
90 % Say it's walkable to restaurants
86 % Say people would walk alone at night
86 % Say there are sidewalks
79 % Say it's quiet
79 % Say there's holiday spirit
76 % Say they plan to stay for at least 5 years
68 % Say parking is easy
67 % Say streets are well-lit
60 % Say there are community events
58 % Say neighbors are friendly
54 % Say yards are well-kept
52 % Say there's wildlife
50 % Say car is needed
Sourced by Trulia users. Learn more about our methodology.
LGBTQ Local Legal Protections
LGBTQ Local Legal Protections

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.
Frequently asked questions about 422 Warren Ln
- What is 422 Warren Ln estimated to be worth?Trulia's estimated value for 422 Warren Ln in Key Biscayne, FL is $3,342,100.
- What is the price history for 422 Warren Ln?422 Warren Ln in Key Biscayne, FL last sold for $2,850,000 in November 2024.
- Is Key Biscayne a buyer's or seller's market?Key Biscayne is currently a buyer's market, based on recent for-sale activity.
- What's the median sale price in Key Biscayne?The median sale price in Key Biscayne is $1.56M. That is down $26.67K from the prior month.
- Does 422 Warren Ln have air conditioning?Yes, 422 Warren Ln in Key Biscayne, FL has air conditioning.
- Does 422 Warren Ln have a pool?Yes, 422 Warren Ln in Key Biscayne, FL has a pool.

