Sold for $855,000

$855,000

340 10th St, Key Colony Beach, FL 33051

2beds

900sqft

Half Duplex

Built in 1970

3,920 Square Feet Lot

$866,300 Zestimate^®

$950/sqft

$3,824 Estimated rent

Home value

$866,300

$754,000 - $996,000

$3,824/mo

Zestimate^® history

Owner options

List your home for rent

$3,824/mo

Rent Zestimate^®

Find your next renter with Zillow Rental Manager. Plus, with online applications, you can quickly screen prospective tenants – for free.

Learn more

$3,824/mo

Rent Zestimate^®

Refinance and save

$5,221/mo

Est. payment

Refinancing to a lower rate could help reduce your monthly payments and save thousands over the life of the loan.

See today's rates

$5,221/mo

Est. payment

Explore your selling options

Work with a Zillow partner agent

Leverage their expertise and Zillow's premium Showcase listings to get your home seen by more buyers.

Get started

List with your own agent

Get your home in front of millions of buyers by listing it on Zillow.

Learn how to do it

Sell it yourself

Take full control of how buyers see your home on Zillow by listing For Sale by Owner (FSBO).

List your home

What's special

New roofUpdated dockSleek open-concept layoutImpact windows and doors

Welcome to 340 10th St — a beautifully updated canal-front half-duplex in Key Colony Beach. This 2-bed, 2-bath home is fully furnished and move-in ready, with a sleek open-concept layout across 900 sq ft. Recent upgrades include impact windows and doors, a new roof (2024), updated dock with spalling repairs (2024), new plumbing (2018), new AC systems (2021), and updated electrical (2018). This turnkey property also operates as a successful rental unit. An optional membership with access to a private swim and beach-club. This property also sits uniquely on a canal-front offering quick access to both ocean-side and the Gulf. A rare opportunity to own a secure, modern slice of paradise in the Florida Keys.

Facts & features

Interior

Bedrooms & bathrooms

Bedrooms: 2
Bathrooms: 2
Full bathrooms: 2

Appliances

Included: Washer, Dryer, Dishwasher, Refrigerator, Range, Oven, Microwave

Features

Furnished: Yes

Interior area

Total structure area: 900
Total interior livable area: 900 sqft

Property

Features

Patio & porch: Deck, Patio
On waterfront: Yes

Lot

Size: 3,920 Square Feet

Details

Parcel number: 00076050000100
Zoning: R-2A - Key Colony Two Family

Construction

Type & style

Home type: SingleFamily
Property subtype: Half Duplex

Materials

Condition

Updated/Remodeled
New construction: No
Year built: 1970

Community & HOA

Community

Subdivision: Key Colony Bch 1st Addn Amd Plat (53.5)

HOA

Has HOA: No
Services included: Common Area Mnt

Location

Region: Key Colony Beach

Financial & listing details

Price per square foot: $950/sqft
Tax assessed value: $666,436
Annual tax amount: $6,027
Date on market: 7/16/2025
Listing terms: Cash,Conventional,FHA

Price history

Date	Event	Price
1/23/2026	Sold	$855,000-2.6%$950/sqft
Source: FLKMLS #615803 Report a problem
12/12/2025	Pending sale	$878,000$976/sqft
Source: FLKMLS #615803 Report a problem
11/15/2025	Price change	$878,000-1.1%$976/sqft
Source: Key West AOR #615803 Report a problem
10/10/2025	Price change	$888,000-1.3%$987/sqft
Source: Key West AOR #615803 Report a problem
7/16/2025	Listed for sale	$899,999+103.2%$1,000/sqft
Source: Key West AOR #615803 Report a problem
7/20/2017	Sold	$443,000-6.9%$492/sqft
Source: FLKMLS #573962 Report a problem
4/9/2017	Price change	$476,000-2.1%$529/sqft
Source: Visual Tour #573962 Report a problem
3/12/2017	Price change	$486,000-13.2%$540/sqft
Source: Visual Tour #573962 Report a problem
1/29/2017	Listed for sale	$560,000+19.4%$622/sqft
Source: Visual Tour #573962 Report a problem
8/3/2016	Sold	$469,000$521/sqft
Source: Public Record Report a problem

Public tax history

Year	Property taxes	Tax assessment
2025	$6,285 +4.3%	$585,657 +10%
2024	$6,027 +6.3%	$532,415 +10%
2023	$5,668 +11.7%	$484,014 +10%
2022	$5,073 +13.3%	$440,013 +10%
2021	$4,476 +6%	$400,012 +2.9%
2020	$4,222	$388,751 -0.3%
2019	$4,222 -0.2%	$389,822 +10.3%
2018	$4,232 +13.2%	$353,450 -10%
2017	$3,740 -6.6%	$392,544 +8.1%
2016	$4,006	$362,995 +12%
2015	--	$324,005