Harbour Island, Tampa, Florida has an investment profile defined by an 8.3 gross yield, prices about 20% below Tampa and in line with Florida, and a Red Flag score of 65. Over the past year, prices were flat at -0.2. Walkability is 82, and education is in the 50th percentile. The main strength is the strong walkability score; the main risk is the higher Red Flag score.
AI Summary•Updated May 2026
Area
4.92 mi²
ZIP Code
33605
County
Hillsborough County
State
Florida
Redfin — median sale & volumeZillow ZORI — asking rentFEMA National Risk Index v1.20OpenStreetMap — POIFBI UCR — state crimeEPA — radon zonesWashU ACAG — satellite PM2.5EPA FRS / BTS — hazard screeningUS Census ACS / TIGER 2024
Verified Price · Median Sale
$275,918
YoY-0.2%
Gross Rental Yield
8.3%
Listed rent · ZORI annualized
Red Flag Index
High
65 / 100
Walkability Score
82
Very Walkable
OpenStreetMap POI density · national percentile
Education Score
50 / 100
Fair · better than 50% of U.S. districts
Pre-pandemic SEDA (2018/19) · district proxy
AI Score
60
Good
DistrictScore attractiveness · national model
Harbour Island Property Prices & Rental Yield
Verified Redfin sale data and Zillow ZORI asking rent for Harbour Island, Tampa.
Market Trend (12-Month)
12 Months
$310K$301K$293K$284K$276K
Verified Sale Price (Median)
Jun '25May '26
Verified = Redfin median sale price (MLS). Rolling 3-month series.
Unlock the Harbour Island 12-month price trend
See the full Verified vs Listed price history — free with a DistrictScore account.
FEMA National Risk Index composite across eight hazards, plus inherited Florida crime context.
Red Flag Breakdown
65 / 100
High Risk
Composite is weighted by expected impact — frequent low-damage hazards (hail, wind) weigh less than flood or wildfire.
Flood100Very High
Hurricane100Very High
Tornado80Very High
Hail80Very High
Wildfire40Moderate
Heat40Moderate
Strong Wind40Moderate
Earthquake20Low
8/8 hazards scored · FEMA NRI v1.20
Crime (state-level): Florida averaged 16.9 crimes and 2.7 violent per 1,000 residents (-4.5% YoY) in 2024(FBI UCR). Compare the state to the country, not states as a ranking — full Safety & Crime data lives on the state page.
Insights are generated from Harbour Island's live DistrictScore metrics.
Harbour Island Environment & Safety
Satellite PM2.5 air-quality history, FBI UCR crime trend (Florida-level, the finest official aggregation), EPA radon potential and point-source hazard screening.
Air Quality — PM2.5
2015–2024
6.2 µg/m³ Meets EPA, above WHO guideline+41.0% since 2015
9.57.55.43.4
EPA 9WHO 5
20152024
Annual mean fine-particle (PM2.5) concentration at the Harbour Island centroid, satellite-derived (ACAG). References: WHO guideline 5 µg/m³ · EPA annual standard 9 µg/m³. Latest year ranks worse than 57% of U.S. neighborhoods.
Florida Crime Trend
FBI UCR
36180
20132024
All crimes / 1k
Violent / 1k
Year
Crimes / 1k
Violent / 1k
YoY
2024
16.9
2.7
-4.5%
2023
18.0
2.9
-2.3%
2022
19.0
2.9
+4.4%
2021
18.6
3.4
-13.5%
2020
21.5
3.8
-13.7%
2019
25.2
3.8
—
Reported at the state level — the finest official US crime aggregation; Harbour Island inherits the Florida figures.
Radon Potential
EPA
Zone 2
Zone 2 — Moderate potential · Harbour Island
EPA radon zones estimate indoor radon potential county-wide (Zone 1 highest, Zone 3 lowest). Testing is recommended in all zones.
Environmental Hazards
EPA / BTS
Superfund (NPL)1.6 kmHigh
Industrial odor11 nearbyVery High
Point-source screening near Harbour Island: EPA Superfund National Priorities List & Facility Registry (2026), BTS aviation noise (2020, 24-hour average level). Superfund shows distance to the nearest listed site; odor shows detected sources within the screening radius. Only detected sources are listed; the bar shows severity vs. all U.S. neighborhoods.
Walkability & Amenities in Harbour Island
Amenity density and pedestrian access from OpenStreetMap points of interest.
Walkability & Amenities
OpenStreetMap POI
82
Very Walkable
Walkability Score
6
Grocery
48
Dining
3
Schools
4
Universities
1
Hospitals
0
Pharmacies
17
Parks
17
Rail Transit
0
Coworking
POI counts are amenities within Harbour Island's boundary plus a 400 m walk buffer. Rail transit excludes bus stops.
Harbour Island vs Tampa vs Florida
How Harbour Island benchmarks against its city and state medians.
Benchmark vs City & State
In Harbour Island, the median sale price sits about 20% below the median for Tampa neighborhoods and in line with the statewide median. Gross rental yield is 8.3%, against 5.3% for Tampa neighborhoods and 6.2% statewide. Over the past 12 months, prices were broadly flat. Transaction liquidity sits below the median for Tampa neighborhoods and below the statewide median.
Harbour Island, Tampa, Florida shows an 8.3 gross yield and prices about 20% below Tampa, which supports a yield-focused profile. The Red Flag score is 65, so the risk level is higher than some nearby markets. Over the past year, prices were flat at -0.2.
Neighborhoods near Harbour Island
Compare Harbour Island with nearby neighborhoods in Tampa.