Southmost, Brownsville, Texas has an investment profile centered on a 7.0 gross yield, pricing in line with Brownsville and about 11% below Texas, and a 3.5 decline over the past year. It pairs walkability of 68 with education in the 37th percentile, while the Red Flag score of 62 indicates elevated overall risk. The main strength is the yield; the main risk is the combination of higher risk and recent price weakness.
AI Summary•Updated May 2026
Area
8.15 mi²
ZIP Code
78521
County
Cameron 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
Verified Price · Median Sale
$233,630
YoY-3.5%
Gross Rental Yield
7.0%
Listed rent · ZORI annualized
Red Flag Index
High
62 / 100
Walkability Score
68
Somewhat Walkable
OpenStreetMap POI density · national percentile
Education Score
37 / 100
Limited · better than 37% of U.S. districts
Pre-pandemic SEDA (2018/19) · district proxy
AI Score
56
Good
DistrictScore attractiveness · national model
Southmost Property Prices & Rental Yield
Verified Redfin sale data and Zillow ZORI asking rent for Southmost, Brownsville.
Market Trend (12-Month)
12 Months
$234K$229K$225K$220K$216K
Verified Sale Price (Median)
Jun '25May '26
Verified = Redfin median sale price (MLS). Rolling 3-month series.
Unlock the Southmost 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
62 / 100
High Risk
Composite is weighted by expected impact — frequent low-damage hazards (hail, wind) weigh less than flood or wildfire.
Hurricane100Very High
Heat80Very High
Hail80Very High
Flood60High
Wildfire60High
Strong Wind60High
Tornado40Moderate
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.
Active transaction volume — 104 homes sold last period
Hurricane risk is Very High (100/100)
Heat risk is Very High (80/100)
Insights are generated from Southmost's live DistrictScore metrics.
Southmost 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
8.2 µg/m³ Meets EPA, above WHO guideline+73.9% since 2015
10.68.46.13.8
EPA 9WHO 5
20152024
Annual mean fine-particle (PM2.5) concentration at the Southmost 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; Southmost inherits the Texas figures.
Radon Potential
EPA
Zone 3
Zone 3 — Lowest potential · Southmost
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 odor8 nearbyVery High
Point-source screening near Southmost: 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 Southmost
Amenity density and pedestrian access from OpenStreetMap points of interest.
Walkability & Amenities
OpenStreetMap POI
68
Somewhat Walkable
Walkability Score
11
Grocery
10
Dining
24
Schools
1
Universities
2
Hospitals
5
Pharmacies
10
Parks
2
Rail Transit
0
Coworking
POI counts are amenities within Southmost's boundary plus a 400 m walk buffer. Rail transit excludes bus stops.
Southmost vs Brownsville vs Texas
How Southmost benchmarks against its city and state medians.
Benchmark vs City & State
In Southmost, the median sale price sits in line with the median for Brownsville neighborhoods and about 11% below the statewide median. Gross rental yield is 7.0%, against 7.0% for Brownsville neighborhoods and 5.4% statewide. Over the past 12 months, prices fell 3.5%. Transaction liquidity sits in line with the median for Brownsville neighborhoods and below the statewide median.
Southmost, Brownsville, Texas may appeal to investors focused on income, with a 7.0 gross yield and pricing in line with Brownsville and about 11% below Texas. The offset is a 3.5 decline over the past year and a Red Flag score of 62, which points to elevated overall risk.
Neighborhoods near Southmost
Compare Southmost with nearby neighborhoods in Brownsville.