280 9th St is a 1,020 square foot house on a 3,630 square foot lot with 2 bedrooms and 2 bathrooms. Based on Redfin's Key Colony Beach data, we estimate the home's value is $764,912.
Single-familyProperty Type
1973Year Built
3,630 sq ftLot Size
$750Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$764,912
$9,000 since September
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 9.6% lower than the average sale price ($846K) of 6 comparable homes.
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Earn from this home
Rent
$2,227/mo
Redfin rental estimate
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Market trends in Key Colony Beach, FL
Last updated September 2026
Buyer's Market
Seller's Market
Buyer's market
Sale-to-List Price
95.3%
+0.0% MoM
Median sale price
$1.8M
$214K MoM
Avg. days on market
204d
20 days MoM
Recently sold homes
18
3 MoM
Provided by Redfin
Sale history for 280 9th St
As the MLS and public records start to fill up, we'll list the details here.
Year
Property tax
Land + Additions
Assessment*
2025
$6,224 (+4.2%)
2024
$5,976 (+7.7%)
2023
$5,550 (+11.6%)
2022
$4,971 (+10.8%)
2021
$4,485 (+5.3%)
$234,189 + $166,766
$400,955
2020
$4,258 (+1.2%)
$222,156 + $170,304
$392,460
2019
$4,205 (+13.9%)
$222,156 + $170,304
$392,460
2018
$3,693 (−4.0%)
$222,156 + $126,219
$348,375
2017
$3,848 (+12.2%)
$222,156 + $174,157
$396,313
2015
$3,431 (+5.1%)
$222,265 + $167,036
$389,301
2014
$3,266
Tax history for 280 9th St
Year
Property tax
Land + Additions
Assessment*
2025
$6,224 (+4.2%)
2024
$5,976 (+7.7%)
2023
$5,550 (+11.6%)
2022
$4,971 (+10.8%)
2021
$4,485 (+5.3%)
$234,189 + $166,766
$400,955
2020
$4,258 (+1.2%)
$222,156 + $170,304
$392,460
2019
$4,205 (+13.9%)
$222,156 + $170,304
$392,460
2018
$3,693 (−4.0%)
$222,156 + $126,219
$348,375
2017
$3,848 (+12.2%)
$222,156 + $174,157
$396,313
2015
$3,431 (+5.1%)
$222,265 + $167,036
$389,301
2014
$3,266
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Feb 12, 2025 • Final
Building
Perform an electrical service upgrade.
Electrical
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
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: Gable/Hip
Building Type: Residential
Property Information
Subdivision Name: KEY COLONY BEACH FIRST ADD
Living Sq. Ft: 1,020
Gross Sq. Ft: 1,480
Ground Floor Sq. Ft: 1,020
Building Sq. Ft: 1,020
# of Units: 1
# of Stories: 1
Legal Description: S 33 FT LOT 57 BLK 9 KEY COLONY BEACH FIRST ADDN AMENDED PLAT PB4-11 SHELTER KEY OR552-1036 OR633-210 OR941-2361 OR991-763 OR1068-1738
Lot Information
# of Buildings: 1
Land Sq. Ft: 3,630
Legal Lot Number: 57
Legal Block Number: 9
Municipality Type: KCB
Municipality Name: CITY OF KEY COLONY BEACH
Acres: 0.0833
Depth Footage: 110
Front Footage: 33
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: 2
Baths: 2.0
Sq. Ft.: 1,020
Stories: 1.0
Lot Size: 3,630 square feet
Style: Single Family Residential
Year Built: 1973
Year Renovated: 2003
County: Monroe County
APN: 0566 33 00075350000100
Home facts updated by county records on Apr 21, 2026
Around this home
Schools
Stanley Switlik Elementary School
Public PreK-5 • Assigned • 4.6mi
5/10
Marathon School
Public 6-12 • Assigned • 3.7mi
5/10
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
$727,000 – $880,000
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