Castle Hills Forest, San Antonio, Texas is a higher-priced neighborhood with prices about 26% above the city median and 27% above the state median. Gross yield is 3.3, and prices rose 3.7% over the past year, indicating moderate appreciation. The Red Flag score of 67 points to a relatively elevated composite risk profile, while walkability is 34 and education is in the 59th percentile.
AI Summary•Updated May 2026
Area
0.31 mi²
ZIP Code
78231
County
Bexar County
State
Texas
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
FEMA National Risk Index composite across eight hazards, plus inherited Texas crime context.
Red Flag Breakdown
67 / 100
High Risk
Composite is weighted by expected impact — frequent low-damage hazards (hail, wind) weigh less than flood or wildfire.
Flood100Very High
Tornado100Very High
Heat100Very High
Hail100Very High
Hurricane60High
Wildfire40Moderate
Strong Wind40Moderate
Earthquake20Low
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.
Insights are generated from Castle Hills Forest's live DistrictScore metrics.
Castle Hills Forest 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
8.3 µg/m³ Meets EPA, above WHO guideline+52.0% since 2015
11.89.36.94.4
EPA 9WHO 5
20152024
Annual mean fine-particle (PM2.5) concentration at the Castle Hills Forest centroid, satellite-derived (ACAG). References: WHO guideline 5 µg/m³ · EPA annual standard 9 µg/m³. Latest year ranks worse than 96% 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; Castle Hills Forest inherits the Texas figures.
Radon Potential
EPA
Zone 3
Zone 3 — Lowest potential · Castle Hills Forest
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
Aviation noise46 dBVery Low
Point-source screening near Castle Hills Forest: 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 Castle Hills Forest
Amenity density and pedestrian access from OpenStreetMap points of interest.
Walkability & Amenities
OpenStreetMap POI
34
Car-Dependent
Walkability Score
2
Grocery
1
Dining
1
Schools
0
Universities
0
Hospitals
0
Pharmacies
4
Parks
0
Rail Transit
0
Coworking
POI counts are amenities within Castle Hills Forest's boundary plus a 400 m walk buffer. Rail transit excludes bus stops.
Castle Hills Forest vs San Antonio vs Texas
How Castle Hills Forest benchmarks against its city and state medians.
Benchmark vs City & State
Across Castle Hills Forest, the median sale price sits about 26% above the median for San Antonio neighborhoods and about 27% above the statewide median. Gross rental yield is 3.3%, against 4.8% for San Antonio neighborhoods and 5.4% statewide. Over the past 12 months, prices rose 3.7%. Transaction liquidity sits below the median for San Antonio neighborhoods and below the statewide median.
Castle Hills Forest, San Antonio, Texas has a gross yield of 3.3 and prices about 26% above the city median and 27% above the state median. Prices rose 3.7% over the past year, but the Red Flag score is 67, which keeps the composite risk reading relatively elevated.
Neighborhoods near Castle Hills Forest
Compare Castle Hills Forest with nearby neighborhoods in San Antonio.