ZIP 94520 recorded 7 fire and hazmat incidents in 2025, 19 across 2021–2025. Primary county: Contra Costa County, CA. FEMA NRI rates wildfire risk here as Very High.
19 incidents from 2021 through 2025 inside this ZIP.
| Year | Incidents | |
|---|---|---|
| 2021 | 4 | |
| 2022 | 2 | |
| 2023 | 5 | |
| 2024 | 1 | |
| 2025 | 7 |
Jul peaks. Jan dips. Aggregated across all 5 years inside this ZIP.
Top 5 NFIRS incident types for ZIP 94520 across 2021–2025.
| # | Incident type | Count | Share | |
|---|---|---|---|---|
| 1 | Grass fire | 7 | 36.8% | |
| 2 | Brush, or brush and grass mixture fire | 3 | 15.8% | |
| 3 | Outside rubbish fire, other | 2 | 10.5% | |
| 4 | Building fires | 1 | 5.3% | |
| 5 | Commercial Compactor fire, confined to rubbish | 1 | 5.3% |
For the 0 building fires reported here in 2025, here's how investigators classified ignition cause.
NFIRS Area of Origin for ZIP 94520 fires across 2021–2025.
| # | Area of origin | Count | Share | |
|---|---|---|---|---|
| 1 | Vehicle area, other | 2 | 50.0% | |
| 2 | Office | 1 | 25.0% | |
| 3 | Highway, parking lot, street: on or near | 1 | 25.0% |
NFIRS HEAT_SOURC code — the physical thing that started the fire.
| # | Heat source | Count | Share | |
|---|---|---|---|---|
| 1 | Undetermined | 3 | 75.0% | |
| 2 | Incendiary device | 1 | 25.0% |
Largest single-incident losses in ZIP 94520 across 2021–2025. These 3 fires alone account for 0% of the ZIP's 2025 reported total.
| # | Property loss | Type | Year | Severity |
|---|---|---|---|---|
| 1 | $20,000 | Brush, or brush and grass mixture fire | 2023 | Significant |
| 2 | $10,000 | Road freight or transport vehicle fire | 2021 | Significant |
| 3 | $20 | Grass fire | 2021 | Significant |
Some ZIPs span multiple cities. Ranked by 5-yr NFIRS incidents inside ZIP 94520.
The figures above are historical. For today's air quality, fire-weather warnings, and active fires, go to the official sources.
NFIRS reports each fire incident with a 5-digit address ZIP. We aggregate those rows directly to produce ZIP-level totals — 19 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.