Sea Isle, Galveston, Texas has a mixed investment profile with pricing in line with Galveston and about 101% above Texas, a gross yield of 3.3, and a price trend down 7.9% over the past year. The main strength is the low relative pricing versus the state, while the main risk is a Red Flag score of 70. Education is in the 16th percentile.
AI Summary•Updated May 2026
Area
0.29 mi²
ZIP Code
77554
County
Galveston County
State
Texas
Redfin — median sale & volumeZillow ZORI — asking rentFEMA National Risk Index v1.20FBI UCR — state crimeEPA — radon zonesWashU ACAG — satellite PM2.5EPA FRS / BTS — hazard screeningUS Census ACS / TIGER 2024
Verified Price · Median Sale
$528,343
YoY-7.9%
Gross Rental Yield
3.3%
Listed rent · ZORI annualized
Red Flag Index
High
70 / 100
Walkability Score
—
—
OpenStreetMap POI density · national percentile
Education Score
16 / 100
Limited · better than 16% of U.S. districts
Pre-pandemic SEDA (2018/19) · district proxy
AI Score
36
Limited
DistrictScore attractiveness · national model
Sea Isle Property Prices & Rental Yield
Verified Redfin sale data and Zillow ZORI asking rent for Sea Isle, Galveston.
Market Trend (12-Month)
12 Months
$646K$617K$587K$558K$528K
Verified Sale Price (Median)
Jun '25May '26
Verified = Redfin median sale price (MLS). Rolling 3-month series.
Unlock the Sea Isle 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 Texas crime context.
Red Flag Breakdown
70 / 100
High Risk
Composite is weighted by expected impact — frequent low-damage hazards (hail, wind) weigh less than flood or wildfire.
Flood100Very High
Wildfire100Very High
Hurricane100Very High
Tornado60High
Heat40Moderate
Hail40Moderate
Earthquake20Low
Strong Wind20Low
8/8 hazards scored · FEMA NRI v1.20
Crime (state-level): Texas averaged 24.3 crimes and 3.9 violent per 1,000 residents (-6.2% 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.
Active transaction volume — 140 homes sold last period
Flood risk is Very High (100/100)
Wildfire risk is Very High (100/100)
Insights are generated from Sea Isle's live DistrictScore metrics.
Sea Isle Environment & Safety
Satellite PM2.5 air-quality history, FBI UCR crime trend (Texas-level, the finest official aggregation), EPA radon potential and point-source hazard screening.
Air Quality — PM2.5
2015–2024
7.8 µg/m³ Meets EPA, above WHO guideline+35.1% since 2015
46.932.818.64.5
EPA 9WHO 5
20152024
Annual mean fine-particle (PM2.5) concentration at the Sea Isle centroid, satellite-derived (ACAG). References: WHO guideline 5 µg/m³ · EPA annual standard 9 µg/m³. Latest year ranks worse than 94% of U.S. neighborhoods.
Texas Crime Trend
FBI UCR
37180
20132024
All crimes / 1k
Violent / 1k
Year
Crimes / 1k
Violent / 1k
YoY
2024
24.3
3.9
-6.2%
2023
26.4
4.1
-1.7%
2022
27.4
4.4
+6.3%
2021
26.3
4.5
-1.8%
2020
26.9
4.5
-3.6%
2019
28.3
4.2
—
Reported at the state level — the finest official US crime aggregation; Sea Isle inherits the Texas figures.
Radon Potential
EPA
Zone 3
Zone 3 — Lowest potential · Sea Isle
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
Industrial odor1 nearbyHigh
Point-source screening near Sea Isle: 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.
Sea Isle vs Galveston vs Texas
How Sea Isle benchmarks against its city and state medians.
Benchmark vs City & State
Across Sea Isle, the median sale price sits in line with the median for Galveston neighborhoods and about 101% above the statewide median. Gross rental yield is 3.3%, against 3.3% for Galveston neighborhoods and 5.4% statewide. Over the past 12 months, prices fell 7.9%. Transaction liquidity sits in line with the median for Galveston neighborhoods and in line with the statewide median.
Sea Isle, Galveston, Texas presents a mixed profile. Pricing is in line with Galveston and about 101% above Texas, gross yield is 3.3, and prices are down 7.9% over the past year. The Red Flag score is 70, while education is in the 16th percentile.
Neighborhoods near Sea Isle
Compare Sea Isle with nearby neighborhoods in Galveston.