$3,573,600
- 4 Beds
- 4 Baths
- 2,886 sqft
685 Allendale Rd, Key Biscayne, FL 33149
Est. Refi. Payment $24,441/mo*
Refinance Your HomeCurrently Off Market - Sold Jun 8, 2022 for $2,850,000
Home Value
Trulia Estimate
$3.57MSince last month
Increased$16K (+0.4%)Since last year
Decreased$105K (-2.9%)Since last sale
Increased$724K (+25.4%)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 +48% in the last 10 years
| Month | Estimated value |
|---|---|
2026 | |
| August 2026 | $3.57M |
| August 2026 | $3.53M |
| July 2026 | $3.56M |
| June 2026 | $3.56M |
| May 2026 | $3.27M |
| April 2026 | $3.13M |
| March 2026 | $2.95M |
| February 2026 | $2.83M |
| January 2026 | $2.78M |
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 |
|---|---|---|---|---|---|---|---|
0.09 | Single-Family Home | $3,500,000 | 01/16/26 | 4 | 3.5 | 2,775 | |
0.10 | Single-Family Home | $3,125,000 | 03/09/26 | 5 | 3.5 | 2,429 | |
0.04 | Single-Family Home | $3,475,000 | 01/27/26 | 5 | 4.5 | 2,320 | |
0.17 | Single-Family Home | $3,700,000 | 01/27/26 | 5 | 5 | 3,962 | |
0.26 | Single-Family Home | $3,800,000 | 08/20/26 | 5 | 4 | 2,329 | |
0.36 | Single-Family Home | $3,000,000 | 04/20/26 | 4 | 3 | 2,958 | |
0.29 | Single-Family Home | $4,475,000 | 04/10/26 | 4 | 3.5 | 3,666 | |
0.34 | Single-Family Home | $3,230,000 | 09/12/25 | 4 | 3 | 2,403 | |
0.39 | Single-Family Home | $5,200,000 | 08/11/26 | 3 | 3.5 | 3,343 | |
0.11 | Single-Family Home | $4,200,000 | 03/27/26 | 6 | 5.5 | 3,436 |
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 |
|---|---|---|---|---|---|---|
0.04 | $3,475,000 | 5 | 4.5 | 2,320 | Recently Sold | |
0.02 | $3,296,100 | 5 | 3 | 2,537 | Off Market | |
0.02 | $5,478,000 | 4 | 3.5 | 3,549 | For Sale | |
0.05 | $6,196,300 | 5 | 5.5 | 3,525 | Off Market | |
0.09 | $5,199,000 | 6 | 4.5 | 3,356 | For Sale | |
0.03 | $5,066,800 | 5 | 5.5 | 3,865 | Off Market | |
0.09 | $3,500,000 | 4 | 3.5 | 2,775 | Recently Sold | |
0.11 | $3,364,200 | 4 | 3 | 3,004 | Off Market | |
0.12 | $4,950,000 | 6 | 6 | 3,888 | Recently Sold | |
0.11 | $6,950,000 | 5 | 5.5 | 5,421 | For Sale | |
0.11 | $4,200,000 | 6 | 5.5 | 3,436 | Recently Sold | |
0.13 | $9,200,000 | 5 | 5.5 | 4,416 | For Sale |
Local Information
-- mins to
Home Highlights
Single-Family Home
Built in 1951
2,886 sqft
$1,238/sqft
Garage
About this House
Renovated Mediterranean style two-story home located on an oversized 10,457 SF corner lot in Key Biscayne. The first floor has a living/dining area, family/bonus room, master suite which opens up to the pool/jacuzzi, 2 guest rooms, 3 baths, laundry, 3 car garage. The second story, built in 1988, a kitchen overlooking the pool, a second master bed with an ensuite bath. Elevated street, hurricane shutters.
685 Allendale Rd, Key Biscayne, FL 33149 is a 4 bedroom, 4 bathroom, 2,886 sqft single-family home built in 1951. It last sold for $2,850,000 on Jun 8, 2022. This property is not currently displayed as for sale or rent on Trulia. The Trulia Estimate is $3,573,600.
Home Details for 685 Allendale Rd
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Heating & Cooling Heating: Forced Air, ElectricAir ConditioningCooling System: CentralHeating Fuel: Forced Air |
Levels, Entrance, & Accessibility Stories: 3Floors: Tile, Hardwood |
Interior Details Types of Rooms: Dining Room, Family Room, Library, Office |
Appliances & Utilities DishwasherDryerMicrowaveRefrigeratorWasher |
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Exterior Home Features Roof: Other, TileExterior: Other |
Pool Pool |
Parking & Garage GarageParking Spaces: 3Parking: Garage Attached |
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Year Built Year Built: 1951Year Updated: 1971 |
Property Type / Style Property Type: Single Family Home |
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Units in Building: 1 |
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Lot Area: 10458 sqft |
Price and Tax history
| Date | Event | Price |
|---|---|---|
Jun 8, 2022 Source: N/A | Sold | $2,850,000 |
Jul 22, 2021 Source: MIAMI #A10880082 | ListingRemoved | |
Jul 14, 2021 Source: MIAMI #A10880082 | PriceChange | $2,700,000 Price increased by 15% |
Jun 23, 2021 Source: MIAMI #A10880082 | PendingToActive | $2,350,000 |
May 15, 2021 Source: MIAMI #A10880082 | Pending | $2,350,000 |
Nov 30, 2020 Source: Agent Provided | PriceChange | $2,350,000 Price increased by 18% |
Jul 1, 2020 Source: Agent Provided | Listed For Sale | $1,999,999 |
Oct 26, 2019 Source: Agent Provided | ListingRemoved | $2,600,000 |
May 10, 2019 Source: Agent Provided | Listed For Sale | $2,600,000 |
Apr 28, 2014 Source: N/A | Sold | $2,100,000 |
Sep 12, 2013 Source: Agent Provided | PriceChange | $2,250,000 Price decreased by 4% |
Mar 1, 2013 Source: Agent Provided | Listed For Sale | $2,350,000 |
Jul 22, 1994 Source: N/A | Sold | $530,000 |
| Year | Property tax | Tax assessment |
|---|---|---|
| 2025 | $42,560 | $2,757,283 |
Home facts updated by county records
Market trends in Key Biscayne
Last updated August 2026
Avg. sale price
$1.56M
$26.67KMoM
Sale-to-List Price
94.6%
Price per sq ft
$981
$37MoM
Available listings
142
2MoM
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
Frequently asked questions about 685 Allendale Rd
- What is 685 Allendale Rd estimated to be worth?Trulia's estimated value for 685 Allendale Rd in Key Biscayne, FL is $3,573,600.
- What is the price history for 685 Allendale Rd?685 Allendale Rd in Key Biscayne, FL last sold for $2,850,000 in June 2022.
- 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 685 Allendale Rd have air conditioning?Yes, 685 Allendale Rd in Key Biscayne, FL has air conditioning.
- Does 685 Allendale Rd have a pool?Yes, 685 Allendale Rd in Key Biscayne, FL has a pool.

