$14,783,300
- 8 Beds
- 7.5 Baths
- 7,583 sqft (on 0.36 acres)
451 N Mashta Dr, Key Biscayne, FL 33149
Est. Refi. Payment $100,792/mo*
Refinance Your HomeCurrently Off Market - Sold Sep 2, 2016 for $6,800,000
Home Value
Trulia Estimate
$14.8MSince last month
Increased$387K (+2.7%)Since last year
Increased$2M (+13%)Since last sale
Increased$8M (+117.8%)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 +142% in the last 10 years
| Month | Estimated value |
|---|---|
2026 | |
| August 2026 | $14.81M |
| August 2026 | $14.79M |
| July 2026 | $14.42M |
| June 2026 | $14.64M |
| May 2026 | $13.5M |
| April 2026 | $13.31M |
| March 2026 | $13.26M |
| February 2026 | $13.19M |
| January 2026 | $12.85M |
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 |
|---|---|---|---|---|---|---|---|
0.28 | Single-Family Home | $6,500,000 | 03/31/26 | 7 | 7.5 | 5,528 | |
0.19 | Single-Family Home | $14,000,000 | 08/03/26 | 4 | 4.5 | 4,290 | |
0.44 | Single-Family Home | $21,000,000 | 02/26/26 | 6 | 7 | 8,031 | |
0.40 | Single-Family Home | $4,950,000 | 04/20/26 | 6 | 6 | 3,888 | |
0.38 | Single-Family Home | $5,690,000 | 06/15/26 | 6 | 5 | 3,584 | |
0.32 | Single-Family Home | $5,200,000 | 08/11/26 | 3 | 3.5 | 3,343 | |
0.26 | Single-Family Home | $3,800,000 | 08/20/26 | 5 | 4 | 2,329 | |
0.44 | Single-Family Home | $4,200,000 | 03/27/26 | 6 | 5.5 | 3,436 | |
0.48 | Single-Family Home | $3,700,000 | 01/27/26 | 5 | 5 | 3,962 | |
0.31 | Single-Family Home | $1,200,000 | 06/05/26 | 4 | 4.5 | 3,241 |
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 |
|---|---|---|---|---|---|---|
0.11 | $12,485,000 | 6 | 7 | 6,405 | For Sale | |
0.15 | $3,404,700 | 3 | 2 | 1,915 | Off Market | |
0.15 | $18,434,000 | 5 | 6.5 | 5,226 | Off Market | |
0.19 | $19,500,000 | 6 | 9 | 7,742 | For Sale | |
0.16 | $19,900,000 | 5 | 4 | 3,085 | For Sale | |
0.19 | $4,370,700 | 4 | 5 | 3,651 | Off Market | |
0.17 | $5,694,400 | 6 | 5 | 3,245 | Off Market | |
0.22 | $16,299,000 | 5 | 6.5 | 5,760 | Off Market | |
0.21 | $3,181,100 | 5 | 4 | 2,867 | Off Market | |
0.19 | $14,000,000 | 4 | 4.5 | 4,290 | Recently Sold | |
0.22 | $12,314,200 | 6 | 6 | 5,191 | Off Market | |
0.20 | $6,350,000 | 4 | 3 | 2,761 | For Sale |
Local Information
-- mins to
Home Highlights
Single-Family Home
Built in 2006
0.36 acre lot
7,583 sqft
$1,950/sqft
Garage
About this House
This single-family home is located at 451 N Mashta Dr, Key Biscayne, FL. 451 N Mashta Dr is in Key Biscayne, FL and in ZIP code 33149. This property has 8 bedrooms, 8 bathrooms and approximately 7,583 sqft of floor space. This property has a lot size of 0.36 acres and was built in 2006.
451 N Mashta Dr, Key Biscayne, FL 33149 is a 8 bedroom, 8 bathroom, 7,583 sqft single-family home built in 2006. It last sold for $6,800,000 on Sep 2, 2016. More recently, it was listed as a rental in August 2015 with an asking price of $25,000 per month. That rental listing was removed on September 4, 2015. This property is not currently displayed as for sale or rent on Trulia. The Trulia Estimate is $14,783,300.
Home Details for 451 N Mashta Dr
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Heating & Cooling Heating: Forced Air, ElectricAir ConditioningCooling System: CentralHeating Fuel: Forced Air |
Interior Details Types of Rooms: Dining Room |
Appliances & Utilities DishwasherDryerMicrowaveRefrigerator |
Fireplace & Spa Fireplace |
Levels, Entrance, & Accessibility Elevator |
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Exterior Home Features Roof: OtherExterior: Cement ConcretePatio |
Pool Pool |
Parking & Garage GarageParking Spaces: 3Parking: Garage Attached |
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Year Built Year Built: 2006Year Updated: 2006 |
Property Type / Style Property Type: Single Family Home |
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Units in Building: 1 |
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Lot Area: 0.36 acres |
Price and Tax history
| Date | Event | Price |
|---|---|---|
Sep 2, 2016 Source: N/A | Sold | $6,800,000 |
Jun 28, 2016 Source: Agent Provided | PriceChange | $6,950,000 Price decreased by 7% |
May 11, 2016 Source: Agent Provided | PriceChange | $7,450,000 Price decreased by 6% |
Feb 26, 2016 Source: Agent Provided | PriceChange | $7,950,000 Price decreased by 6% |
Jan 21, 2016 Source: Agent Provided | PriceChange | $8,450,000 Price decreased by 5% |
Sep 14, 2015 Source: Agent Provided | Listed For Sale | $8,900,000 |
Sep 4, 2015 Source: Agent Provided | ListingRemoved | $25,000 |
Aug 13, 2015 Source: Agent Provided | Listed For Rent | $25,000 |
Jun 6, 2015 Source: Agent Provided | ListingRemoved | $25,000 |
Jun 5, 2015 Source: Agent Provided | ListingRemoved | $10,700,000 |
May 27, 2015 Source: Agent Provided | Listed For Rent | $25,000 |
Apr 30, 2015 Source: Agent Provided | Listed For Sale | $10,700,000 |
Jul 2, 2013 Source: Agent Provided | ListingRemoved | $9,800,000 |
Jun 20, 2013 Source: Agent Provided | PriceChange | $9,800,000 Price increased by 26% |
Feb 24, 2011 Source: Agent Provided | PriceChange | $7,800,000 Price decreased by 8% |
Feb 18, 2011 Source: Agent Provided | PriceChange | $8,490,000 Price increased by 9% |
Jan 15, 2011 Source: Agent Provided | PriceChange | $7,800,000 Price decreased by 8% |
Nov 7, 2010 Source: Agent Provided | Listed For Sale | $8,490,000 |
Mar 30, 2010 Source: Agent Provided | ListingRemoved | $7,800,000 |
Feb 14, 2010 Source: Agent Provided | PriceChange | $7,800,000 Price decreased by 50% |
Dec 23, 2009 Source: Agent Provided | PriceChange | $15,750,000 Price increased by 102% |
Dec 15, 2009 Source: Agent Provided | PriceChange | $7,800,000 Price decreased by 28% |
Jun 28, 2009 Source: Agent Provided | Listed For Sale | $10,900,000 |
Apr 17, 2009 Source: Agent Provided | ListingRemoved | $15,750,000 |
Apr 14, 2009 Source: Agent Provided | Listed For Sale | $15,750,000 |
| Year | Property tax | Tax assessment |
|---|---|---|
| 2025 | $133,284 | $9,564,892 |
Home facts updated by county records
Market trends in Key Biscayne
Last updated August 2026
Avg. sale price
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Sale-to-List Price
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Price per sq ft
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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 451 N Mashta Dr
- What is 451 N Mashta Dr estimated to be worth?Trulia's estimated value for 451 N Mashta Dr in Key Biscayne, FL is $14,783,300.
- What is the price history for 451 N Mashta Dr?451 N Mashta Dr in Key Biscayne, FL last sold for $6,800,000 in September 2016.
- 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 do residents say about Key Biscayne?Residents describe Key Biscayne, FL as walkable to grocery stores, dog-friendly, and walkable to restaurants. See recently sold homes in Key Biscayne, FL.
- Does 451 N Mashta Dr have air conditioning?Yes, 451 N Mashta Dr in Key Biscayne, FL has air conditioning.
- Does 451 N Mashta Dr have a pool?Yes, 451 N Mashta Dr in Key Biscayne, FL has a pool.

