In 2025, fire departments serving Duvall responded to 70 fire and hazmat incidents — from cooking fires to gas leaks to a single $75K building blaze. Here's the full picture.
Unauthorized burning lead by count. Building fires lead by dollars. Together the top five categories make up about 56% of all calls.
Jul peaks. Jan dips. Watch for the typical fall climb starting in October.
308 incidents 2021–2025. Peak year was 2023. $2.2M cumulative property loss.
| Year | Incidents | YoY | |
|---|---|---|---|
| 2021 | 50 | — | |
| 2022 | 72 | +44.0% | |
| 2023 | 90 | +25.0% | |
| 2024* | 26 | — | |
| 2025 | 70 | — |
* Well below Duvall's usual volume. That almost always means one or more departments didn't submit a full year to NFIRS, not that fires dropped, so no year-over-year change is shown for it.
For the 6 building fires Duvall departments responded to in 2025, here's how they were classified once investigators were finished.
NFIRS Area of Origin (AREA_ORIG) for the 56 building fires investigators classified across 2021–2025. The room or location where ignition occurred — kitchens, bedrooms, exterior, vehicle areas — tells you where to focus prevention.
| # | Area of origin | Count | Share | |
|---|---|---|---|---|
| 1 | Undetermined | 14 | 25.0% | |
| 2 | Outside area, other | 7 | 12.5% | |
| 3 | Engine area, running gear, wheel area | 6 | 10.7% | |
| 4 | Other | 4 | 7.1% | |
| 5 | Courtyard, patio, porch, terrace | 3 | 5.4% | |
| 6 | Cooking area, kitchen | 2 | 3.6% | |
| 7 | Bathroom, checkroom, lavatory, locker room | 2 | 3.6% | |
| 8 | Highway, parking lot, street: on or near | 2 | 3.6% | |
| 9 | Open area - outside; included are farmland, field | 2 | 3.6% | |
| 10 | Function area, other | 1 | 1.8% | |
| 11 | All other areas | 13 | 23.2% |
NFIRS Heat Source (HEAT_SOURC) — the physical thing that started it. Spark or ember from operating equipment, an open flame, smoking materials, or hot embers from a fireplace are the leading culprits nationwide. Here's the Duvall mix.
| # | Heat source | Count | Share | |
|---|---|---|---|---|
| 1 | Undetermined | 26 | 46.4% | |
| 2 | Arcing | 8 | 14.3% | |
| 3 | Radiated, conducted heat from operating equipment | 3 | 5.4% | |
| 4 | Flame/torch used for lighting | 3 | 5.4% | |
| 5 | Heat from powered equipment, other | 2 | 3.6% | |
| 6 | Spark, ember or flame from operating equipment | 2 | 3.6% | |
| 7 | Hot ember or ash | 2 | 3.6% | |
| 8 | Candle | 2 | 3.6% | |
| 9 | Heat source: other | 1 | 1.8% | |
| 10 | Hot or smoldering object, other | 1 | 1.8% | |
| 11 | All other sources | 6 | 10.7% |
Largest single-incident property losses reported by Duvall departments in 2025. These 6 fires alone account for 100% of the city's annual total.
| # | Property loss | Type | Severity | Status |
|---|---|---|---|---|
| 1 | $75,000 | Building fires | Significant | Investigated |
| 2 | $35,000 | Passenger vehicle fire | Significant | Investigated |
| 3 | $25,000 | Building fires | Significant | Investigated |
| 4 | $2,500 | Passenger vehicle fire | Significant | Investigated |
| 5 | $2,000 | Natural vegetation fire, other | Significant | Investigated |
| 6 | $1,000 | Dumpster or other outside trash receptacle fire | Significant | Investigated |
Per-capita rates let us compare apples to apples. Duvall sits above the national average for incidents per resident.
Top 25 wildfires (1992+) in the FPA-FOD ignitions database, scaled by acres. 9,320 acres burned in this 50-mile radius. Each dot is a fire — bigger dots burned more land.
| Year | Cause | Acres | Distance | |
|---|---|---|---|---|
| 2003 | Natural | 1,097 | 41.1 mi | |
| 2017 | Missing data/not specified/undetermined | 1,061 | 46.8 mi | |
| 2006 | Natural | 969 | 44.8 mi | |
| 2009 | Natural | 750 | 38.1 mi | |
| 2008 | Natural | 602 | 45.7 mi | |
| 2020 | Missing data/not specified/undetermined | 494 | 40.5 mi | |
| 2017 | Missing data/not specified/undetermined | 360 | 18.9 mi | |
| 2012 | Natural | 291 | 43.9 mi | |
| 1995 | Debris and open burning | 290 | 32.2 mi | |
| 2016 | Arson/incendiarism | 289 | 17.2 mi | |
| 2006 | Missing data/not specified/undetermined | 280 | 48.0 mi | |
| 2020 | Missing data/not specified/undetermined | 275 | 49.8 mi |
Top 2 ZIP codes by NFIRS incident count across 2021–2025. Each ZIP has its own fire profile — dive in for neighborhood-level context.
Six Washington cities with population within ±25% of Duvall. Useful comparison targets — same state, similar size, different fire profile.
A 30-minute weekend can cut your home's exposure substantially. These four checklists are a good starting point.
Numbers reflect incidents reported by participating fire departments to the National Fire Incident Reporting System (NFIRS) Public Data Release for calendar year 2025. NFIRS is voluntary — about 23,000 of roughly 30,000 US fire departments report — so totals are a strong indicator, not a complete census. Per-capita comparisons use 2023 ACS population estimates. Wildland fire data complements NFIRS with NIFC and USFS perimeters. Active-fire counts come from a dated NIFC snapshot, not a live feed.