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ZIP-level NFIRS data

Fires in ZIP 78737

ZIP 78737 recorded 88 fire and hazmat incidents in 2025, 524 across 2021–2025. Primary county: Hays County, TX. FEMA NRI rates wildfire risk here as Very High.

ZIP 78737 FIPS 48209 ZIP-level
Total incidents (2025)
88
524 across 5 years
Building fires
6
8 wildland
Wildfire risk
88
FEMA NRI · Very High
Active fires
0
in Hays County
01 Five-year trend

Year over year in ZIP 78737

524 incidents from 2021 through 2025 inside this ZIP.

YearIncidents 
2021 92
2022 123
2023 134
2024 87
2025 88
02 Seasonality

When do fires happen in ZIP 78737?

Feb peaks. Dec dips. Aggregated across all 5 years inside this ZIP.

Jan 46
Feb 75
Mar 59
Apr 43
May 47
Jun 35
Jul 53
Aug 37
Sep 35
Oct 36
Nov 36
Dec 22
03 Top incident types

What kinds of calls lead in ZIP 78737?

Top 5 NFIRS incident types for ZIP 78737 across 2021–2025.

#Incident typeCountShare 
1 Authorized controlled burning 125 23.9%
2 Unauthorized burning 68 13.0%
3 Gas leak (natural gas or LPG) 63 12.0%
4 Building fires 28 5.3%
5 Grass fire 28 5.3%
04 Cause of ignition

What sparks fires in ZIP 78737?

For the 6 building fires reported here in 2025, here's how investigators classified ignition cause.

Unintentional
40%
33
Cause undetermined
24%
20
Intentional / arson
12%
10
Equipment / heat source failure
6%
5
Under investigation
7%
6
Act of nature (lightning)
11%
7
05 Where fires start

Where in the building fires start

NFIRS Area of Origin for ZIP 78737 fires across 2021–2025.

#Area of originCountShare 
1 Undetermined 16 19.5%
2 Open area - outside; included are farmland, field 13 15.9%
3 Outside area, other 8 9.8%
4 Engine area, running gear, wheel area 7 8.5%
5 Other 4 4.9%
6 Cooking area, kitchen 4 4.9%
7 Exterior balcony, unenclosed porch 4 4.9%
8 Attic: vacant, crawl space above top story, cupola 3 3.7%
9 All other areas 23 28.0%
06 What ignited it

The leading heat sources here

NFIRS HEAT_SOURC code — the physical thing that started the fire.

#Heat sourceCountShare 
1 Undetermined 36 43.9%
2 Heat from powered equipment, other 5 6.1%
3 Arcing 5 6.1%
4 Hot or smoldering object, other 4 4.9%
5 Lightning 4 4.9%
6 Radiated, conducted heat from operating equipment 3 3.7%
7 Flame/torch used for lighting 3 3.7%
8 Heat from direct flame, convection currents 3 3.7%
9 All other sources 19 23.2%
07 The biggest fires

8 fires · $2.5M in losses

Largest single-incident losses in ZIP 78737 across 2021–2025. These 8 fires alone account for 552% of the ZIP's 2025 reported total.

#Property lossTypeYearSeverity
1 $700,000 Building fires 2022 Major
2 $500,000 Building fires 2023 Major
3 $430,000 Building fires 2025 Major
4 $250,000 Building fires 2022 Major
5 $250,000 Building fires 2023 Major
6 $200,000 Building fires 2023 Significant
7 $150,000 Building fires 2023 Significant
8 $50,000 Building fires 2024 Significant
08 Cities in this ZIP

Most active cities in ZIP 78737

Some ZIPs span multiple cities. Ranked by 5-yr NFIRS incidents inside ZIP 78737.

#City5-yr incidents 
1 Austin 444
11 Current conditions

Right now in 78737

The figures above are historical. For today's air quality, fire-weather warnings, and active fires, go to the official sources.

About ZIP-level data

NFIRS reports each fire incident with a 5-digit address ZIP. We aggregate those rows directly to produce ZIP-level totals — 524 incidents in this ZIP across 2021–2025. Building-fire breakdowns (Area of Origin, Heat Source, ignition cause) only count fires investigators classified beyond the basic incident report. Because NFIRS reporting is voluntary, totals are a strong indicator rather than a complete census.