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ZIP-level NFIRS data

Fires in ZIP 20135

ZIP 20135 recorded 35 fire and hazmat incidents in 2025, 149 across 2021–2025. Primary county: Clarke County, VA.

ZIP 20135 FIPS 51043 ZIP-level 2 counties
Total incidents (2025)
35
149 across 5 years
Building fires
4
6 wildland
Wildfire risk
33
FEMA NRI · Low
Active fires
0
in Clarke County
01 Five-year trend

Year over year in ZIP 20135

149 incidents from 2021 through 2025 inside this ZIP.

YearIncidents 
2021 30
2022 9
2023 47
2024 28
2025 35
02 Seasonality

When do fires happen in ZIP 20135?

Mar peaks. Oct dips. Aggregated across all 5 years inside this ZIP.

Jan 13
Feb 12
Mar 24
Apr 19
May 9
Jun 11
Jul 14
Aug 7
Sep 5
Oct 4
Nov 16
Dec 15
03 Top incident types

What kinds of calls lead in ZIP 20135?

Top 5 NFIRS incident types for ZIP 20135 across 2021–2025.

#Incident typeCountShare 
1 Power line down 21 14.1%
2 Forest, woods or wildland fire 17 11.4%
3 Building fires 16 10.7%
4 Gas leak (natural gas or LPG) 11 7.4%
5 Authorized controlled burning 10 6.7%
04 Cause of ignition

What sparks fires in ZIP 20135?

For the 4 building fires reported here in 2025, here's how investigators classified ignition cause.

Unintentional
42%
11
Cause undetermined
19%
5
Intentional / arson
15%
4
Equipment / heat source failure
19%
5
Under investigation
0%
0
Act of nature (lightning)
5%
1
05 Where fires start

Where in the building fires start

NFIRS Area of Origin for ZIP 20135 fires across 2021–2025.

#Area of originCountShare 
1 Undetermined 5 19.2%
2 Engine area, running gear, wheel area 4 15.4%
3 Outside area, other 4 15.4%
4 Open area - outside; included are farmland, field 3 11.5%
5 Wildland, woods 3 11.5%
6 Bedroom - < 5 persons; included are jail or prison 2 7.7%
7 Highway, parking lot, street: on or near 2 7.7%
8 Other 1 3.8%
9 All other areas 2 7.7%
06 What ignited it

The leading heat sources here

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

#Heat sourceCountShare 
1 Undetermined 9 34.6%
2 Hot ember or ash 3 11.5%
3 Heat from powered equipment, other 2 7.7%
4 Radiated, conducted heat from operating equipment 2 7.7%
5 Arcing 2 7.7%
6 Hot or smoldering object, other 2 7.7%
7 Heat spread from another fire, other 2 7.7%
8 Heat source: other 1 3.8%
9 All other sources 3 11.5%
07 The biggest fires

7 fires · $574K in losses

Largest single-incident losses in ZIP 20135 across 2021–2025. These 7 fires alone account for 22976% of the ZIP's 2025 reported total.

#Property lossTypeYearSeverity
1 $274,200 Building fires 2023 Major
2 $273,900 Fire, other 2021 Major
3 $20,000 Building fires 2023 Significant
4 $2,500 Building fires 2025 Significant
5 $2,000 Building fires 2024 Significant
6 $1,000 Brush, or brush and grass mixture fire 2023 Significant
7 $800 Mobile property (vehicle) fire, other 2021 Significant
08 Cities in this ZIP

Most active cities in ZIP 20135

Some ZIPs span multiple cities. Ranked by 5-yr NFIRS incidents inside ZIP 20135.

#City5-yr incidents 
1 Round Hill 2
2 Front Royal 1
3 Leesburg 1
4 Purcellville 1
10 Also served by

ZIP 20135 crosses 2 counties

Some ZIPs span multiple counties. The primary above is the largest by population weight; secondary counties are below.

CountyStateWeight 
Loudoun County VA 1.00 FIPS 51107
11 Current conditions

Right now in 20135

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 — 149 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.