397 Harbor Ct
Key Biscayne, FL 33149
- 4 Beds
- 3 Baths
- 2,734 sqft
4 Beds
3 Baths
2,734 sqft
Home Value
Trulia Estimate
$3.75MSince last month
Increased$73K (+2%)Since last year
Increased$409K (+12.2%)Since last sale
Increased$2M (+97.4%)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 +79% in the last 10 years
| Month | Estimated value |
|---|---|
2026 | |
| August 2026 | $3.75M |
| July 2026 | $3.68M |
| June 2026 | $3.76M |
| May 2026 | $3.61M |
| April 2026 | $3.54M |
| March 2026 | $3.5M |
| February 2026 | $3.44M |
| January 2026 | $3.37M |
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 |
|---|---|---|---|---|---|---|---|
0.04 | Single-Family Home | $2,600,000 | 09/19/25 | 4 | 3 | 1,570 | |
0.23 | Single-Family Home | $3,000,000 | 04/20/26 | 4 | 3 | - | |
0.16 | Single-Family Home | $4,400,000 | 04/16/26 | 4 | 2.5 | 3,300 | |
0.05 | Single-Family Home | $4,820,000 | 03/16/26 | 4 | 3 | 2,959 | |
0.30 | Single-Family Home | $3,550,000 | 03/12/26 | 4 | 4 | 2,699 | |
0.32 | Single-Family Home | $3,500,000 | 01/16/26 | 4 | 3.5 | 2,775 | |
0.09 | Single-Family Home | $2,800,000 | 06/30/26 | 3 | 2 | 1,403 | |
0.16 | Single-Family Home | $4,400,000 | 04/08/26 | 5 | 5 | 3,230 | |
0.15 | Single-Family Home | $2,600,000 | 06/29/26 | 3 | 2 | 1,333 | |
0.27 | Single-Family Home | $4,475,000 | 04/10/26 | 4 | 3.5 | 3,666 |
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 |
|---|---|---|---|---|---|---|
0.07 | $7,450,000 | 7 | 8 | 4,565 | For Sale | |
0.07 | $19,357,800 | 3 | 3 | 1,806 | Off Market | |
0.04 | $3,206,800 | 4 | 3 | 1,570 | Off Market | |
0.11 | $6,319,200 | 5 | 6.5 | 4,649 | Off Market | |
0.06 | $3,405,400 | 4 | 3.5 | 2,430 | Off Market | |
0.07 | $4,692,500 | 5 | 6.5 | 3,650 | Off Market | |
0.09 | $2,800,000 | 3 | 2 | 1,403 | Recently Sold | |
0.13 | $5,561,200 | 6 | 6 | 4,393 | Off Market | |
0.09 | $30,930,300 | 6 | 7.5 | 7,178 | Off Market | |
0.09 | $4,929,400 | 5 | 4.5 | 4,021 | Off Market | |
0.12 | $3,134,400 | 4 | 3 | 1,754 | Off Market | |
0.13 | $6,098,500 | 6 | 6.5 | 5,839 | Off Market |
Local Information
-- mins to
Home Highlights
Property Type
Single-Family Home
Year Built
1959
Living Area
2,734 sqft
Price/Sqft
$1,372
About this House
This single-family home is located at 397 Harbor Ct, Key Biscayne, FL. 397 Harbor Ct is in Key Biscayne, FL and in ZIP code 33149. This property has 4 bedrooms, 3 bathrooms and approximately 2,734 sqft of floor space. This property has a lot size of 7500 sqft and was built in 1959.
397 Harbor Ct, Key Biscayne, FL 33149 is a 4 bedroom, 3 bathroom, 2,734 sqft single-family home built in 1959. It last sold for $1,900,000 on Apr 29, 2021. It is currently off market. The Trulia Estimate is $3,750,300, with a rent estimate of $18,087/month.
Home Details for 397 Harbor Ct
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Heating & Cooling Heating: Forced AirAir ConditioningCooling System: CentralHeating Fuel: Forced Air |
Levels, Entrance, & Accessibility Stories: 1Floors: Tile |
Interior Details Types of Rooms: Family Room |
Appliances & Utilities DishwasherDryerMicrowaveRefrigeratorWasher |
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Exterior Home Features Roof: OtherExterior: OtherPatioPorch |
Pool Pool |
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Year Built Year Built: 1959Year Updated: 1969 |
Property Type / Style Property Type: Single Family Home |
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Units in Building: 1 |
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Lot Area: 7501 sqft |
Price and Tax history
| Date | Event | Price |
|---|---|---|
Apr 29, 2021 Source: MIAMI #A10937401 | Sold | $1,900,000 |
Jan 19, 2021 Source: MIAMI | ListingRemoved | |
Oct 12, 2020 Source: Agent Provided | Listed For Sale | $2,149,000 |
May 18, 2020 Source: Agent Provided | ListingRemoved | $1,825,000 |
Feb 6, 2020 Source: Agent Provided | PriceChange | $1,825,000 Price decreased by 9% |
Oct 24, 2019 Source: Agent Provided | PriceChange | $1,998,500 Price decreased by 7% |
Apr 26, 2019 Source: Agent Provided | Listed For Sale | $2,149,000 |
Sep 20, 1999 Source: N/A | Sold | $450,000 |
| Year | Property tax | Tax assessment |
|---|---|---|
| 2025 | $28,972 | $2,438,269 |
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
Frequently asked questions about 397 Harbor Ct
- What is 397 Harbor Ct estimated to be worth?Trulia's estimated value for 397 Harbor Ct in Key Biscayne, FL is $3,750,300.
- What is the price history for 397 Harbor Ct?397 Harbor Ct in Key Biscayne, FL last sold for $1,900,000 in April 2021.
- 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 397 Harbor Ct have air conditioning?Yes, 397 Harbor Ct in Key Biscayne, FL has air conditioning.
- Does 397 Harbor Ct have a pool?Yes, 397 Harbor Ct in Key Biscayne, FL has a pool.

