$5,403,400
- 6 Beds
- 5.5 Baths
- 5,420 sqft
780 Allendale Rd, Key Biscayne, FL 33149
Est. Refi. Payment $36,916/mo*
Refinance Your HomeCurrently Off Market - Sold Mar 14, 2018 for $2,700,000
Home Value
Trulia Estimate
$5.4MSince last month
Increased$55K (+1%)Since last year
Increased$412K (+8.3%)Since last sale
Increased$3M (+100.1%)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 +51% in the last 10 years
| Month | Estimated value |
|---|---|
2026 | |
| August 2026 | $5.4M |
| August 2026 | $5.38M |
| July 2026 | $5.35M |
| June 2026 | $5.4M |
| May 2026 | $5.34M |
| April 2026 | $5.23M |
| March 2026 | $5.15M |
| February 2026 | $5.07M |
| January 2026 | $4.94M |
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 |
|---|---|---|---|---|---|---|---|
0.20 | Single-Family Home | $4,200,000 | 03/27/26 | 6 | 5.5 | 3,436 | |
0.21 | Single-Family Home | $3,700,000 | 01/27/26 | 5 | 5 | 3,962 | |
0.09 | Single-Family Home | $3,125,000 | 03/09/26 | 5 | 3.5 | 2,429 | |
0.22 | Single-Family Home | $4,950,000 | 04/20/26 | 6 | 6 | 3,888 | |
0.14 | Single-Family Home | $3,475,000 | 01/27/26 | 5 | 4.5 | 2,320 | |
0.20 | Single-Family Home | $5,690,000 | 06/15/26 | 6 | 5 | 3,584 | |
0.11 | Single-Family Home | $6,500,000 | 03/31/26 | 7 | 7.5 | 5,528 | |
0.15 | Single-Family Home | $625,000 | 04/09/26 | 6 | 6 | 4,142 | |
0.19 | Single-Family Home | $3,500,000 | 01/16/26 | 4 | 3.5 | 2,775 | |
0.36 | Single-Family Home | $4,400,000 | 04/08/26 | 5 | 5 | 3,230 |
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 | $2,850,000 | - | - | - | Recently Sold | |
0.10 | $3,800,000 | 4 | 3.5 | 3,403 | For Sale | |
0.08 | $3,203,500 | 5 | 5 | 5,371 | Off Market | |
0.09 | $3,125,000 | 5 | 3.5 | 2,429 | Recently Sold | |
0.11 | $2,803,700 | 4 | 4 | 2,488 | Off Market | |
0.07 | $5,066,800 | 5 | 5.5 | 3,865 | Off Market | |
0.10 | $6,395,000 | 5 | 5.5 | 4,003 | For Sale | |
0.09 | $5,478,000 | 4 | 3.5 | 3,549 | For Sale | |
0.12 | $2,625,000 | 3 | 1 | 1,265 | Recently Sold | |
0.07 | $3,181,100 | 5 | 4 | 2,867 | Off Market | |
0.11 | $6,500,000 | 7 | 7.5 | 5,528 | Recently Sold | |
0.08 | $5,600,000 | 5 | 5 | 3,197 | For Sale |
Local Information
-- mins to
Home Highlights
Single-Family Home
Built in 2012
5,420 sqft
$997/sqft
About this House
This beautiful custom made home was built in 2012. It sits on a large pie shaped lot (8066 sq. ft) on a very quiet street.
6 bedrooms, 5.5 bathrooms, with live in kitchen and family room, separate formal dining and living room area overlooking the pool. separate laundry room and service quarter on the mezzanine level.
Dark teak wood throughout. Ample garden and pool deck , ideal for outdoor entertaining.
Covered carport for 2 cars. Separate golf cart parking. Lots of storage.
6 bedrooms, 5.5 bathrooms, with live in kitchen and family room, separate formal dining and living room area overlooking the pool. separate laundry room and service quarter on the mezzanine level.
Dark teak wood throughout. Ample garden and pool deck , ideal for outdoor entertaining.
Covered carport for 2 cars. Separate golf cart parking. Lots of storage.
780 Allendale Rd, Key Biscayne, FL 33149 is a 6 bedroom, 6 bathroom, 5,420 sqft single-family home built in 2012. It last sold for $2,700,000 on Mar 14, 2018. This property is not currently displayed as for sale or rent on Trulia. The Trulia Estimate is $5,403,400.
Home Details for 780 Allendale Rd
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Heating & Cooling Heating: Heat Pump, ElectricAir ConditioningCooling System: Refrigerator, CentralHeating Fuel: Heat Pump |
Levels, Entrance, & Accessibility Stories: 2Floors: Hardwood |
Interior Details Number of Rooms: 6Types of Rooms: Walk In Closet, Dining Room, Family Room, Laundry Room, Master Bath, Office, Pantry, Recreation Room |
Appliances & Utilities Cable ReadyDishwasherDryerMicrowaveRefrigeratorWasher |
Fireplace & Spa Fireplace |
Security Security System |
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Exterior Home Features Roof: Metal, OtherDeckExterior: Stucco, Cement ConcreteGardenLawnPatioPorchSprinkler System |
Pool Pool |
Parking & Garage Parking Spaces: 5Parking: Carport |
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Year Built Year Built: 2012Year Updated: 2012 |
Property Type / Style Property Type: Single Family HomeArchitecture: Colonial |
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Units in Building: 1 |
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Lot Area: 8066 sqft |
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Intercom |
Price and Tax history
| Date | Event | Price |
|---|---|---|
Mar 14, 2018 Source: N/A | Sold | $2,700,000 |
Feb 3, 2018 Source: Agent Provided | Pending | $2,995,000 |
Jan 30, 2018 Source: Agent Provided | Listed For Sale | $2,995,000 |
Dec 15, 2017 Source: Agent Provided | ListingRemoved | $2,995,000 |
Dec 14, 2017 Source: Agent Provided | Pending | $2,995,000 |
Dec 5, 2017 Source: Agent Provided | PendingToActive | $2,995,000 |
Dec 5, 2017 Source: Agent Provided | Pending | $2,995,000 |
Oct 30, 2017 Source: Agent Provided | PriceChange | $2,995,000 Price decreased by 9% |
Oct 17, 2017 Source: Agent Provided | PriceChange | $3,299,000 Price decreased by 3% |
May 5, 2017 Source: Agent Provided | PriceChange | $3,390,000 Price decreased by 5% |
Feb 21, 2017 Source: Agent Provided | Listed For Sale | $3,575,000 |
Jan 11, 2012 Source: N/A | Sold | $2,350,000 |
Dec 22, 2010 Source: N/A | Sold | $1,000,000 |
Jul 30, 2003 Source: N/A | Sold | $500,000 |
| Year | Property tax | Tax assessment |
|---|---|---|
| 2025 | $36,849 | $3,418,462 |
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 780 Allendale Rd
- What is 780 Allendale Rd estimated to be worth?Trulia's estimated value for 780 Allendale Rd in Key Biscayne, FL is $5,403,400.
- What is the price history for 780 Allendale Rd?780 Allendale Rd in Key Biscayne, FL last sold for $2,700,000 in March 2018.
- 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 780 Allendale Rd have air conditioning?Yes, 780 Allendale Rd in Key Biscayne, FL has air conditioning.
- Does 780 Allendale Rd have a pool?Yes, 780 Allendale Rd in Key Biscayne, FL has a pool.

