511 3rd St is a 1,336 square foot house on a 3,319 square foot lot with 2 bedrooms and 2 bathrooms. Based on Redfin's Key Colony Beach data, we estimate the home's value is $960,160.
Single-familyProperty Type
1989Year Built
3,319 sq ftLot Size
$719Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$960,160
$10K since September
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 13.7% lower than the average sale price ($1.11M) of 6 comparable homes.
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Earn from this home
Rent
$2,519/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 511 3rd St
As the MLS and public records start to fill up, we'll list the details here.
Year
Property tax
Land + Additions
Assessment*
2025
$3,718 (+1.0%)
2024
$3,682 (+4.7%)
2023
$3,518 (+3.9%)
2022
$3,387 (−0.2%)
2021
$3,394 (+4.5%)
2020
$3,247 (+2.3%)
2019
$3,174 (+5.5%)
2018
$3,008 (+4.4%)
2017
$2,881 (−0.9%)
2015
$2,907 (−1.5%)
2014
$2,952
Tax history for 511 3rd St
Year
Property tax
Land + Additions
Assessment*
2025
$3,718 (+1.0%)
2024
$3,682 (+4.7%)
2023
$3,518 (+3.9%)
2022
$3,387 (−0.2%)
2021
$3,394 (+4.5%)
2020
$3,247 (+2.3%)
2019
$3,174 (+5.5%)
2018
$3,008 (+4.4%)
2017
$2,881 (−0.9%)
2015
$2,907 (−1.5%)
2014
$2,952
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Jun 4, 2027 • Final
Building
Remodel
Oct 31, 2026 • Final
Building
Remove an existing fiberglass shower and install a new tile shower.
Bathroom
Remodel
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
Living Sq. Ft: 1,336
Gross Sq. Ft: 2,968
Ground Floor Sq. Ft: 1,336
Building Sq. Ft: 1,336
# of Units: 1
# of Stories: 2
Legal Description: BK 3 N 1/2 LT 21 KEY COLONY BEACH PB3-120 SHELTER KEY OR1093-541 OR1643-1105/06 OR2709-653/54 OR6712-942/43
Parking & Garage Information
Parking Type: Carport
Garage/Parking Sq. Ft: 868
Garage / Carport Type: Carport
Lot Information
# of Buildings: 1
Land Sq. Ft: 3,319
Legal Lot Number: 21
Legal Block Number: 3
Municipality Type: KCB
Municipality Name: CITY OF KEY COLONY BEACH
Acres: 0.0762
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.: 1,336
Stories: 2.0
Lot Size: 3,319 square feet
Style: Single Family Residential
Year Built: 1989
Year Renovated: 2009
County: Monroe County
APN: 0466 33 00072870000100
Home facts updated by county records on Apr 21, 2026
Around this home
Schools
Stanley Switlik Elementary School
Public PreK-5 • Assigned • 5.0mi
5/10
Marathon School
Public 6-12 • Assigned • 4.2mi
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
$913,000 – $1.11M
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