3 Bedroom and 3 Bath Plus Loft - Half Duplex in Key Colony Beach - 2,150 sq ft includes loft - All or part of Buyers downpayment may be offset by future rentals.
Single-familyProperty Type
1995Year Built
3,800 sq ftLot Size
$552Est. Price/Sq.Ft.
4 spacesParking
Listed by James ''skip Fenhoff• Keys Island Realty, Inc.
Listed by Eric Fenhoff• Keys Island Realty, Inc.
Bought with George Wilson• Prudential Keyside Properties, Islamorada
Source:FLKMLS #524201
Redfin Estimate
$1,190,924
$366K since sold in April 2023$29K since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 11.2% lower than the average sale price ($1.34M) of 6 comparable homes.
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Earn from this home
Refinance
$0
Est. cash available
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Rent
$3,359/mo
Redfin rental estimate
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Market trends in Key Colony Beach, FL
Last updated October 2026
Buyer's Market
Seller's Market
Buyer's market
Sale-to-list price
94.1%
1.2% MoM
Median sale price
$1.3M
$10K MoM
Avg. days on market
230d
27 days MoM
Recently sold homes
14
3 MoM
Provided by Redfin
Sale history for 400 9th St
Date
Event
Price
Public Records
Apr 25, 2023
Sold
$825,000
$383/sq ft
FLKMLS #524201
Apr 12, 2005
Sold
$825,000
$383/sq ft
Oct 24, 2004
Listed
$829,900
$385/sq ft
+2
3 Bedroom and 3 Bath Plus Loft - Half Duplex in Key Colony Beach - 2,150 sq ft includes loft - All or part of Buyers downpayment may be offset by future rentals.
Year
Property tax
Land + Additions
Assessment*
2025
$10,081 (−4.4%)
$486,750 + $537,300
$1,024,050
2024
$10,545 (+27.5%)
$478,500 + $567,392
$1,045,892
2023
$8,273 (+14.6%)
2022
$7,218 (+9.6%)
2021
$6,589 (+12.0%)
$260,906 + $350,587
$611,493
2020
$5,882 (−0.8%)
$247,500 + $313,348
$560,848
2019
$5,931 (+3.1%)
$247,500 + $313,348
$560,848
2018
$5,755 (+1.0%)
$247,500 + $323,079
$570,579
2017
$5,696 (+7.4%)
$247,500 + $331,667
$579,167
2015
$5,302 (+3.2%)
$247,500 + $334,985
$582,485
2014
$5,138
Tax history for 400 9th St
Year
Property tax
Land + Additions
Assessment*
2025
$10,081 (−4.4%)
$486,750 + $537,300
$1,024,050
2024
$10,545 (+27.5%)
$478,500 + $567,392
$1,045,892
2023
$8,273 (+14.6%)
2022
$7,218 (+9.6%)
2021
$6,589 (+12.0%)
$260,906 + $350,587
$611,493
2020
$5,882 (−0.8%)
$247,500 + $313,348
$560,848
2019
$5,931 (+3.1%)
$247,500 + $313,348
$560,848
2018
$5,755 (+1.0%)
$247,500 + $323,079
$570,579
2017
$5,696 (+7.4%)
$247,500 + $331,667
$579,167
2015
$5,302 (+3.2%)
$247,500 + $334,985
$582,485
2014
$5,138
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Dec 21, 2024 • Final
Building
Remodel
Jun 3, 2024 • Final
Building
HVAC
Permit history is from public records and may be incomplete or inaccurate. Redfin and its agents make no representations about the property condition or permit status. Buyers should independently verify all information.
Property details
Interior
Bathroom Information
# of Full Baths: 2
# of 1/2 Baths: 1
Heating & Cooling
Heating Type: Forced Air
Exterior
Exterior Information
Physical Condition: Average
Floor Construction Type: Concrete
Foundation Type: Concrete
Exterior Wall: Concrete Block
Roof Shape Type: Irregular
Building Type: Residential
Property Information
Subdivision Name: KEY COLONY BEACH 1ST ADD
Living Sq. Ft: 2,156
Gross Sq. Ft: 3,356
Ground Floor Sq. Ft: 2,156
Building Sq. Ft: 2,156
# of Units: 1
# of Stories: 3
Legal Description: SOUTHERLY 1/2 OF BK 9 LT 51 KEY COLONY BEACH FIRST ADDN AMENDED PLAT PB4-11 SHELTER KEY OR606-755 OR794-1931/32 OR809-704 OR859-2113 OR1324-981 OR1682-494 OR2116-1234 OR3222-726 OR3222-0730
Parking & Garage Information
Parking Type: Carport
Garage/Parking Sq. Ft: 841
Garage / Carport Type: Carport
Lot Information
# of Buildings: 1
Land Sq. Ft: 3,800
Legal Lot Number: 51
Municipality Type: KCB
Municipality Name: CITY OF KEY COLONY BEACH
Acres: 0.0872
Depth Footage: 100
Front Footage: 38
Zoning Code: INC
County Use Description: SINGLE FAMILY RES
State Use Description: SINGLE FAMILY
Location Information
Parcel Location Influence: Canal
Financial
Assessor Information
Assessment Year: 2025
Tax District County: CITY OF KEY COLONY BEACH
Tax Area: CITY OF KEY COLONY BEACH
Public facts
Beds: 3
Baths: 2.5
Sq. Ft.: 2,156
Stories: 3.0
Lot Size: 3,800 square feet
Style: Single Family Residential
Year Built: 1995
Year Renovated: 2000
County: Monroe County
APN: 0566 33 00075290000100
Home facts updated by county records on Jul 10, 2026
Around this home
Schools
K - 12
Preschool & daycare
Stanley Switlik Elementary School
Public PreK-5 • Assigned • 4.6mi
4/10
Marathon School
Public 6-12 • Assigned • 3.7mi
4/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
1/10 Flood Factor
Minimal risk of a flood reaching the building in the next 30 years
1/10 Fire Factor
Unlikely to be in a wildfire in next 30 years
Heat Factor
We're working on getting current and accurate heat risk information for this home.
10/10 Wind Factor
99% chance of strong winds in next 30 years
1/10 Air Factor
0 unhealthy days expected this year, 0 days in 30 years
Provided by First Street
Historical weather
Key Colony Beach, FL • 33051
Average low and high temperatures (°F)
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Sun exposure
In this area, properties receive around 10 hours in
June and 7.3 hours in December, placing it above the
U.S. average for solar exposure.
10 hrs
7.3 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$1.13M – $1.37M
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