For sale

$3,150,000

310 Harbor Ct, Key Biscayne, FL 33149

4beds

2,175sqft

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Single Family Residence

Built in 1958

7,500 Square Feet Lot

$-- Zestimate^®

$1,448/sqft

$-- HOA

What's special

Large covered terraceSpacious primary suitePerfect for outdoor livingOpen foyer entry

Remodeled 4-bedroom, 2-bath custom-built home featuring an open foyer entry, separate living and dining rooms, and an eat-in kitchen with wood cabinetry and granite countertops. Spacious primary suite with dual sinks in the en-suite bath. Enjoy a large covered terrace, perfect for outdoor living.

144 days

459

18

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Facts & features

Interior

Bedrooms & bathrooms

Bedrooms: 4
Bathrooms: 2
Full bathrooms: 2

Heating

Central

Cooling

Central Air

Appliances

Included: Dishwasher, Dryer, Washer

Features

Flooring: Ceramic Tile, Marble

Interior area

Total structure area: 2,837
Total interior livable area: 2,175 sqft

Video & virtual tour

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Property

Parking

Parking features: Circular Driveway
Has uncovered spaces: Yes

Features

Entry location: First Floor Entry
Pool features: R30-No Pool/No Water
Fencing: Fenced
Has view: Yes
View description: Garden

Lot

Size: 7,500 Square Feet
Features: Less Than 1/4 Acre Lot

Details

Parcel number: 2442320063520
Zoning: 0100

Construction

Type & style

Home type: SingleFamily
Architectural style: Other
Property subtype: Single Family Residence

Materials

CBS Construction
Roof: Other

Condition

Year built: 1958

Utilities & green energy

Sewer: Other
Water: Municipal Water

Community & HOA

Community

Features: Street Lights
Subdivision: Tropical Isle Homes Sub 4

HOA

Has HOA: No

Location

Region: Key Biscayne

Financial & listing details

Price per square foot: $1,448/sqft
Tax assessed value: $2,248,758
Annual tax amount: $32,577
Date on market: 2/5/2026
Listing terms: All Cash,Conventional

Estimated market value

Not available

Estimated sales range

Not available

Price history

Date	Event	Price
2/9/2026	Listed for rent	$13,500+22.7%$6/sqft
Source: MIAMI #A11961939 Report a problem
2/5/2026	Listed for sale	$3,150,000$1,448/sqft
Source: MIAMI #A11959280 Report a problem
2/26/2024	Listing removed	--
Source: Zillow Rentals Report a problem
1/3/2024	Price change	$11,000-8.3%$5/sqft
Source: MIAMI #A11420803 Report a problem
11/7/2023	Listed for rent	$12,000$6/sqft
Source: MIAMI #A11420803 Report a problem
11/7/2023	Listing removed	--
Source: Zillow Rentals Report a problem
9/14/2023	Price change	$12,000-11.1%$6/sqft
Source: MIAMI #A11420803 Report a problem
7/20/2023	Listed for rent	$13,500+95.7%$6/sqft
Source: MIAMI #A11420803 Report a problem
4/26/2016	Listing removed	$6,900$3/sqft
Source: ONE Sotheby's International Realty #A2195616 Report a problem
1/15/2016	Price change	$6,900-4.2%$3/sqft
Source: ONE Sotheby's International Realty #A2195616 Report a problem
11/3/2015	Listed for rent	$7,200+4.3%$3/sqft
Source: ONE Sotheby's International Realty #A2195616 Report a problem
12/24/2014	Listing removed	$6,900$3/sqft
Source: One Sotheby's International Realty #A1997877 Report a problem
9/29/2014	Price change	$6,900-8%$3/sqft
Source: One Sotheby's International Realty #A1997877 Report a problem
8/29/2014	Listed for rent	$7,500+44.2%$3/sqft
Source: Brickell Brokers Report a problem
9/28/2011	Listing removed	$5,200$2/sqft
Source: Fortune International Realty #A1546776 Report a problem
9/7/2011	Listed for rent	$5,200$2/sqft
Source: REMAX ADVANCE REALTY II Report a problem

Public tax history

Year	Property taxes	Tax assessment
2025	$32,577 +6.4%	$1,822,975 +10%
2024	$30,626 +6.7%	$1,657,250 +10%
2023	$28,696 +17.3%	$1,506,591 +10%
2022	$24,469 +13.4%	$1,369,629 +10%
2021	$21,568 +15.2%	$1,245,118 +10%
2020	$18,716 -12.9%	$1,132,377 -12.7%
2019	$21,489 +3.2%	$1,297,136 -0.1%
2018	$20,820	$1,298,770 -3.4%
2017	$20,820 -10.9%	$1,344,577 +10%
2016	$23,368 +9.3%	$1,222,343 +10%
2015	$21,386 +8.1%	$1,111,221 +10%
2014	$19,784 +28.4%	$1,010,201 +10%
2013	$15,410 +0%	$918,365 +10%
2012	$15,410 +16.4%	$834,878 +10%
2011	$13,241 -7.1%	$758,980 -0.1%
2010	$14,255 -23.5%	$759,688 -27.2%
2009	$18,627 -21.8%	$1,043,050 -23.4%
2007	$23,810 +77.1%	$1,362,292
2006	$13,442	--
2005	$13,442 +3.6%	--
2004	$12,975 +121.6%	--
2003	$5,856 +3.3%	--
2002	$5,671	--
2001	$5,671	--

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