{
  "title": "Wildfire Risk in Ventura County, CA 2026 | Satelife",
  "description": "Ventura County wildfire risk analyzed with satellite data: the Thomas Fire legacy, Ojai Valley geography, Santa Ana wind exposure, evacuation constraints, and a real property report from Ojai. Check your address.",
  "image": "https://satelife.ai/images/wildfire-risk/ventura-county/ventura-county-locator.png",
  "canonical": "https://satelife.ai/wildfire-risk/california/ventura-county/",
  "content": "[Home](/)›[Wildfire Risk](/wildfire-risk/)›[California](/wildfire-risk/california/)›Ventura County\n\nVentura County, California · 2026\n\n# Wildfire risk in Ventura County: the county where California's _largest modern wildfire_ began\n\nThe 2017 Thomas Fire ignited north of Santa Paula, ran to the coast at Ventura, and surrounded the entire Ojai Valley — 281,893 acres, 1,063 structures, and, at the time, the largest wildfire in modern California history. A current Satelife property report for a Gridley Road address on the Ojai foothills reads 55.0/100, High tier, and names the Thomas Fire directly. This page maps Ventura County's wildfire risk with satellite data and two real Satelife reports run from inside Ojai in July 2026.\n\n[Get your Ventura County wildfire risk PDF →](/#cta) [See the Ojai case study ↓](#case-study)\n\n![Satellite locator map headed “Wildfire risk — Ventura County, California”, with the county boundary outlined and Ojai, Santa Paula, Ventura, Piru and Thousand Oaks marked, including the Anacapa and San Nicolas islands portion of the county](/images/wildfire-risk/ventura-county/ventura-county-locator.webp)\n\nVentura County on satellite imagery — county boundary with Ojai, Santa Paula, Ventura, Piru, and Thousand Oaks marked; Anacapa and San Nicolas islands to the south are part of the county. Imagery © Esri, Maxar, Earthstar Geographics.\n\nLocal context\n\n## Where the _Thomas Fire_ started — and why the county keeps burning\n\nVentura County runs from the Pacific coast at Ventura and Oxnard up through the Santa Clara River valley to the Topatopa and Santa Ynez foothills around Ojai, and east across the Santa Susana and Santa Monica Mountains toward Thousand Oaks. Its wildfire risk concentrates in those foothill and Wildland-Urban Interface belts, and the record is among the most severe in the state:\n\n-   **Thomas Fire (December 2017)** — 281,893 acres across Ventura and Santa Barbara counties, 1,063 structures destroyed, one firefighter killed. Ignited near Steckel Park north of Santa Paula on December 4, ran to the coast and destroyed 500+ homes in Ventura the first night, then surrounded the Ojai Valley. It became the largest recorded California wildfire at the time — and its burn scar produced the deadly Montecito debris flow a month later.\n-   **Woolsey Fire (November 2018)** — 96,949 acres across Ventura and Los Angeles counties, ~1,643 structures destroyed, 3 deaths. Ignited near the former Santa Susana Field Laboratory on the Ventura County line and ran south through the Santa Monica Mountains to Malibu.\n-   **Maria Fire (October 2019)** — 9,999 acres on South Mountain between Santa Paula and Somis, driven by Santa Ana winds; roughly 7,500 residents evacuated. Earlier, the 2013 Springs Fire burned about 24,000 acres of the Camarillo and Newbury Park interface.\n\n![The Thomas Fire burning through chaparral and oak in the hills of the Los Padres National Forest in December 2017, with a US Forest Service truck and firefighter in a cleared field in the foreground](/images/wildfire-risk/ventura-county/thomas-fire-flames.webp)\n\nThe Thomas Fire burning through chaparral during firing operations in the Los Padres National Forest, December 21, 2017. US Forest Service photo by Stuart Palley, via [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Thomas_Fire_\\(25378265228\\).jpg) (public domain).\n\nUnlike the Sierra foothill counties, where fire season peaks in summer, Ventura County's most destructive fires cluster in the Santa Ana wind season — roughly September through January — when offshore winds push hot, dry air down through the canyons toward the coast at exactly the moment humidity bottoms out. The Thomas Fire ran hardest in mid-December.\n\n![Satellite imagery of the Ojai townsite in Ventura County, showing the grid of streets and orchards on the valley floor meeting chaparral foothills on the north edge](/images/wildfire-risk/ventura-county/ojai-closeup.webp)\n\nThe Ojai Valley floor meeting the chaparral foothills on its northern edge — the Wildland-Urban Interface the Thomas Fire pressed against in December 2017. Imagery © Esri, Maxar, Earthstar Geographics.\n\nSources: CAL FIRE Incident Archive · NIFC · Ventura County Fire Department.\n\nTerrain & vegetation\n\n## A green valley floor ringed by _flammable foothills_\n\nOjai sits at roughly 240 metres in a valley enclosed on almost every side by the Topatopa and Santa Ynez foothills — chaparral and oak woodland that dry to tinder by autumn. The valley floor itself reads very differently from the ridgelines: a Satelife property report for a Gridley Road address on the north edge scores the vegetation layer a low **24.6 / 100**, because the parcel's immediate 100-metre surroundings are mostly urban and agricultural land cover — orchards and landscaped lots — rather than open chaparral.\n\nThat low vegetation reading sits next to a **Very High** hazard classification and a fire-history score of 90/100, which is exactly the point: the fuel immediately around a house on the valley floor can look benign while the terrain layer (elevation banding puts this parcel in the 100–500 m foothill band, scored 40/100) and the surrounding ridge fuels carry the real long-term hazard. Santa Ana winds compound the geography — offshore flow accelerates over the passes and drives embers down onto the valley from the burning slopes above.\n\n![LANDFIRE existing vegetation type map of the Ojai Valley, showing the town grid and orchard parcels on the valley floor enclosed by a ring of dry-mesic chaparral on the Topatopa and Santa Ynez foothills](/images/wildfire-risk/ventura-county/ojai-vegetation.webp)\n\nLANDFIRE LF2024 vegetation map of the Ojai Valley — the same public dataset behind the vegetation layer in Satelife reports. The town grid and orchards (~14% of the frame) sit on the valley floor; the brown ring around them is the dry-mesic chaparral (~24%) that carried the Thomas Fire. Data: LANDFIRE EVT · USGS / USDA Forest Service.\n\n![Excerpt from a Satelife wildfire risk report for a Gridley Road address in Ojai: CAL FIRE Fire Hazard Severity Zone map showing the parcel in a Very High zone within the Local Responsibility Area](/images/wildfire-risk/ventura-county/prop-fhsz.webp)\n\n**Report excerpt** — Fire Hazard Severity Zone: the Gridley Road parcel sits in CAL FIRE's Very High zone (Local Responsibility Area). Satelife Wildfire Risk Report, Ojai, CA (July 2026).\n\nEvacuation\n\n## Fast fire crews, but a valley with _few ways out_\n\nSatelife's community-scale analysis of Ojai builds the picture from the actual road graph — 471 hundred-metre zones across roughly 1,955 hectares of valley and foothill, scored at **34.8 / 100 — Moderate** area-wide, with the risk concentrated in the recurrent-burn corridors along the northern foothills rather than spread evenly across the valley.\n\n471hundred-metre zones in the analyzed community area\n\n16independent exit routes to the wider road network\n\n0.6 minmodelled fire-truck drive-time from the nearest mapped station (0.47 km)\n\n7fire stations mapped within 15 km\n\nFire-service reach here is genuinely strong — Ventura County Fire Department Station 21 sits 0.47 km from the community centroid, a modelled 0.6-minute drive-time, with seven stations mapped within 15 km. What the geography flags instead is the same constraint that made the December 2017 evacuation so tense: the Ojai Valley funnels onto a handful of arteries — State Route 33 north and State Route 150 east and west — and when the Thomas Fire surrounded the valley, those few routes were carrying the whole town at once. A strong engine response does not change how many roads lead out.\n\n![Excerpt from a Satelife neighborhood wildfire report for Ojai: fire-service reach and community egress table showing 0.6-minute fastest fire-truck drive-time from Ventura County Fire Department Station 21, 7 stations within 15 km, and 16 independent road exits](/images/wildfire-risk/ventura-county/nbhd-access-evacuation.webp)\n\n**Report excerpt** — Access & Evacuation, Satelife Neighborhood Wildfire Risk Report for Ojai, CA (July 2026). Modelled OSRM drive-times from OSM-mapped stations. Decision support, not an evacuation plan.\n\nThe post-fire cycle\n\n## A low vegetation score is a _snapshot, not a resolved risk_\n\nThe Ojai foothills have had most of a decade to regrow since the Thomas Fire, and it is easy to read the green valley and the low current vegetation reading as reduced risk. Right now, Satelife's community-scale vegetation layer for the Ojai area reads around **23 / 100**, comparatively low.\n\nThat has not moved the things that matter more over the long run:\n\n-   **The hazard classification.** CAL FIRE's Fire Hazard Severity Zone model, which scores long-term hazard from climate, terrain, and fire behavior rather than this season's fuel load, reads **Very High** at the Gridley Road parcel — 90/100 in Satelife's property-level hazard layer.\n-   **The fire-history signal.** Satelife's property fire-history layer scores 90/100 — seven mapped perimeters have reached this parcel in the last twenty years, headed by the Thomas Fire (2017).\n-   **The terrain and wind exposure.** The Topatopa and Santa Ynez foothills and the Santa Ana wind corridor are permanent; they do not reset when the chaparral does.\n\nChaparral is a fast fuel — a slope that burned in 2017 can be flammable again well within a decade. A low vegetation reading on the Ojai Valley floor is a snapshot of one parcel's immediate surroundings, not a verdict on the ridgelines above it.\n\n![High-resolution satellite imagery of a residential parcel on Gridley Road, Ojai, showing homes set among mature oaks and ornamental landscaping on the valley floor below the chaparral foothills](/images/wildfire-risk/ventura-county/ojai-parcel.webp)\n\nThe Gridley Road case-study area on high-resolution satellite imagery — landscaped valley-floor lots below the foothill chaparral. Imagery © Esri, Maxar, Earthstar Geographics.\n\nCase study\n\n## One address on Gridley Road, Ojai, _scored today_\n\nTo make the county's risk concrete, we ran a full Satelife wildfire-risk report for a property on **Gridley Road, Ojai** — on the foothill edge the Thomas Fire pressed against. The composite score: **55.0 / 100 — High tier** (86% confidence), built from ten independently-scored data layers rather than one hazard polygon.\n\n![Excerpt from a Satelife wildfire risk report for Gridley Road, Ojai: per-layer contributions showing Hazard 90, Fire history 90, Vision 78, Fire weather 61, Road access 50, Terrain 40, Vegetation 25, USFS WRC 21, Fire-spread 16](/images/wildfire-risk/ventura-county/prop-per-layer.webp)\n\n**Report excerpt** — Per-layer contributions, Satelife Wildfire Risk Report, Gridley Road, Ojai, CA 93023 (July 2026). Composite 55.0/100, High tier.\n\nWhat drives the score:\n\n-   **Fire history: 90/100 — and it names the Thomas Fire.** The layer finds 7 fires within 20 years at this parcel, out of 9 mapped perimeters total. THOMAS (2017, 281,791 acres) heads the list, followed by LIBBEY (2017) and GRIDLEY (2016), with older perimeters back to 2000.\n-   **Hazard zone: 90/100.** The parcel sits squarely in CAL FIRE's Very High Fire Hazard Severity Zone (Local Responsibility Area).\n-   **AI vision analysis: 78/100 — High.** The model reads street-level imagery from all four sides: the north, south, and west views all rate High, flagging heavy fuels near the structure and overhanging vegetation with limited open defensible space; the east view rates Medium.\n-   **Fire behavior:** USFS Wildfire Risk to Communities data puts the probability of flame lengths over four feet at this exact location at **0%**, and the fire-spread sub-layer scores a low 15.5 — the valley-floor fuels are genuinely benign here. It is the hazard zone, the repeated fire history, and what the imagery shows at the structure that push this parcel into the High tier.\n\n![Excerpt from a Satelife wildfire risk report: fire history layer listing the Thomas Fire 2017 at 281,791 acres among 7 fires in the last 20 years and 9 total mapped perimeters near the Ojai parcel](/images/wildfire-risk/ventura-county/prop-fire-history.webp)\n\n**Report excerpt** — Fire history: the layer names the Thomas Fire (2017) as the largest perimeter reaching this parcel.\n\n![Excerpt from a Satelife wildfire risk report: street-view vision sweep showing north, south and west views rated High risk with heavy fuels near the structure and overhanging vegetation, and the east view rated Medium](/images/wildfire-risk/ventura-county/prop-vision-sweep.webp)\n\n**Report excerpt** — Vision sweep by direction: three of four critical views rate High, with findings like \"heavy fuels near structure\" and \"overhanging vegetation\".\n\nThe FHSZ polygon says \"Very High\" for every parcel on this foothill edge equally. The report says _this_ house has overhanging canopy on three sides and no open defensible space to the south — and which three actions, in order, change that.\n\nThe report pairs the score with a prioritized mitigation plan for this exact parcel: establish an ember-resistant Zone 0 in the first five feet, harden the roof and screen vents against ember intrusion, and maintain thirty feet of lean, clean and green space. Under SB 1060-era rules, completing and documenting that work is not just safety advice — it is insurance evidence.\n\nInsurance & real estate\n\n## The _insurance squeeze_ in Ventura County\n\nCounty homeowners feel all of the above through their insurance bill — when they can get one. Foothill WUI communities from Ojai to Thousand Oaks have seen a steady pattern of carrier non-renewals followed by migration to the **California FAIR Plan**, the state's insurer of last resort, which surpassed 400,000 policies statewide in 2024 — roughly double its 2020 count. FAIR Plan coverage is more expensive and thinner than the policies it replaces.\n\n![A DC-10 air tanker flying through thick smoke beneath a deep red sun over the 2018 Woolsey Fire on the Ventura–Los Angeles county line](/images/wildfire-risk/ventura-county/woolsey-fire-air-tanker.webp)\n\nA DC-10 air tanker under a smoke-reddened sun over the Woolsey Fire, November 2018 — the second megafire to hit the county's insurance market in twelve months. US Forest Service photo by Peter Buschmann, via [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Woolsey_Fire_-_Air_Tanker_in_smoke_below_a_red_sun_\\(20181119-sunset-in-hell-PB-005\\).jpg) (public domain).\n\nThe regulatory response matters here: **SB 1060** (in force 2025) requires carriers that use wildfire risk models to account for property- and community-level mitigation — defensible space, home hardening, community fuel breaks — rather than pricing on hazard zone alone. Together with the Safer from Wildfires framework, that creates a financial reason to prove, with evidence, what your specific parcel looks like. A zone map can't do that. An address-level report can.\n\nFor buyers and sellers, California Civil Code §1103 requires Natural Hazard Disclosure at the point of sale — and as insurance availability tightens, fire-zone status becomes a closing-risk variable rather than a paperwork item. A buyer who cannot bind insurance cannot close. See [California wildfire insurance](/insurance/fire-risk/california/) and [California real estate wildfire risk](/real-estate/fire-risk/california/).\n\nSources: California Department of Insurance · California FAIR Plan · SB 1060 text.\n\nRisk reduction\n\n## What Ventura County homeowners _can actually do_\n\nCAL FIRE's defensible-space framework defines three zones: Zone 0 (0–5 ft, ember-resistant, no combustibles), Zone 1 (5–30 ft, lean-clean-green), and Zone 2 (30–100 ft, reduced fuel). Documented compliance is what underwriters and the SB 1060 discount process accept as evidence. Locally, the **Ventura County Fire Department** runs suppression response and defensible-space inspections — the department a Satelife report for Ojai actually models drive-times from — and Fire Safe Councils across the Ojai Valley and Conejo Valley coordinate fuel-reduction work in the recurrent-burn corridors.\n\nAnnual review is the rule, not the exception: chaparral regrows fast, and in foothills that have already produced a fire the size of Thomas, a multi-year gap between inspections is not a safe assumption. A parcel that passed inspection in 2024 is not necessarily compliant in 2026.\n\nIt is worth naming how the constraint here differs from the backcountry. In [San Diego County's](/wildfire-risk/california/san-diego-county/) Ramona, the worry is a single narrow road segment 373 structures depend on. In Ojai, fire-service reach is excellent — 0.6 minutes from Station 21 — and the constraint is the valley itself: a bowl with a handful of exits that the Thomas Fire ringed on almost every side. Fast trucks help. Geography does not move.\n\nVentura County proves a hard point about wildfire risk: a house can have benign fuel at its own front door, a fire station half a kilometre away, and still sit in a Very High zone with a megafire in its twenty-year history. Only a property-level read tells you which of those numbers is the one that's actually wrong.\n\nCoverage\n\n## ZIP codes we cover in Ventura County\n\nSatelife runs address-level wildfire reports across every ZIP code in Ventura County. The ZIPs below are the high Fire Hazard Severity Zone, Wildland-Urban Interface communities we are asked about most. One caveat that is the whole point of what we do: the risk score is computed for **your parcel**, not the ZIP, so two homes on the same street can land in different tiers. Find your area, then [run your address](/#cta).\n\nZIP code\n\nCommunity\n\nWhy it is on the map\n\n93023\n\nOjai\n\nThomas Fire (2017) evacuation; Gridley Road case study\n\n93060\n\nSanta Paula\n\nThomas Fire ignition near Steckel Park & Koenigstein Road\n\n93001\n\nVentura\n\nThomas Fire hillside neighborhoods above the city\n\n93004\n\nVentura (east)\n\nOndulando and foothill WUI, Thomas Fire path\n\n91320\n\nNewbury Park\n\nSanta Monica Mountains WUI, Springs & Woolsey exposure\n\n93012\n\nCamarillo\n\nCamarillo Springs / Conejo foothills, 2013 Springs Fire\n\n93066\n\nSomis\n\nSouth Mountain interface, 2019 Maria Fire\n\n93040\n\nPiru\n\nEastern Santa Clara River WUI, Thomas Fire spread\n\nZIP areas per USPS; Wildland-Urban Interface and Fire Hazard Severity Zone framing per CAL FIRE.\n\nWhere to go next\n\n## Ventura County wildfire risk _in context_\n\n[California wildfire risk The statewide picture: FHSZ, county exposure, 2026 season](/wildfire-risk/california/) [Santa Barbara County wildfire risk Thomas Fire & Montecito debris-flow legacy, sundowner winds](/wildfire-risk/california/santa-barbara-county/) [Los Angeles County wildfire risk Woolsey & Palisades Fire legacy, Malibu case study](/wildfire-risk/california/los-angeles-county/) [California wildfire insurance FAIR Plan, non-renewals, SB 1060 discount path](/insurance/fire-risk/california/) [California real estate wildfire risk Buyer due diligence and disclosure](/real-estate/fire-risk/california/) [Create a wildfire evacuation plan Zones, egress routes, refuge areas](/wildfire-evacuation-plan/) [How Satelife calculates wildfire risk Data sources, score composition](/wildfire-risk/methodology/) [Run a wildfire risk report PDF + score + mitigation plan](/#cta)\n\nFAQ\n\n## Frequently asked questions about _Ventura County wildfire risk_\n\nIs Ventura County a high wildfire risk area?\n\nYes, particularly the foothill and Wildland-Urban Interface communities — the Ojai Valley, the hillside neighborhoods above Ventura and Santa Paula, and the Santa Susana and Santa Monica Mountains around Thousand Oaks and Newbury Park. These areas sit in CAL FIRE High or Very High Fire Hazard Severity Zones and take the brunt of the Santa Ana wind events each fall and winter. In December 2017 the county was the ignition point of the Thomas Fire, which burned 281,893 acres — at the time the largest wildfire in modern California history.\n\nWhat was the largest wildfire in Ventura County?\n\nThe 2017 Thomas Fire — 281,893 acres across Ventura and Santa Barbara counties, 1,063 structures destroyed. It ignited near Steckel Park north of Santa Paula on December 4, 2017, ran to the coast at Ventura and destroyed more than 500 homes there the first night, then surrounded the Ojai Valley on December 13. It became the largest recorded California wildfire at the time before its burn scar produced the deadly Montecito debris flow a month later.\n\nHas the Ojai Valley burned before?\n\nYes — the entire Ojai Valley was evacuated during the December 2017 Thomas Fire, which surrounded the valley and damaged its water system. A current Satelife fire-history layer for a Gridley Road address on the Ojai foothills still names the Thomas Fire (2017) as the largest perimeter reaching the parcel, out of seven mapped fires in the last twenty years — and the surrounding Santa Ynez and Topatopa foothills carry a long record of smaller ignitions.\n\nHow do I check the fire hazard zone for my Ventura County address?\n\nUse the CAL FIRE FHSZ viewer for the official Moderate / High / Very High zone classification. For property-level detail — terrain, fuels, fire history, evacuation constraints, and an AI read of your actual parcel imagery — run a Satelife address-level report.\n\nCan wildfire mitigation lower my insurance premium in Ventura County?\n\nYes. Under SB 1060 (in force 2025), California carriers that use wildfire risk models must account for property- and community-level mitigation. Documented defensible space and home hardening — the kind of evidence a Satelife report captures — feeds directly into that discount pathway, alongside the Safer from Wildfires framework. That pathway matters here: foothill communities from Ojai to Thousand Oaks have felt the same non-renewal pressure as the rest of Southern California since the Thomas and Woolsey fires.\n\nScores and evacuation figures on this page are drawn from Satelife wildfire-risk reports for Ojai, CA generated in July 2026 (property report, Gridley Road; neighborhood analysis, Ojai, a 2.5 km community boundary). Satelife reports are informational decision support — not a substitute for official evacuation orders, CAL FIRE hazard determinations, or an insurer's underwriting judgement.\n\n## What does _your parcel_ look like, layer by layer?\n\nIf you own, are buying, or are rebuilding in Ventura County — Ojai, Ventura, Santa Paula, Thousand Oaks, or anywhere in the foothill WUI — get the address-level answer: PDF, ten-layer score, and a prioritized mitigation plan.\n\n[Start with your address →](/#cta)\n\n[![PRR](/images/prr.png)](/ficha-de-website-voucher-satelife.pdf)\n\n© 2024–2026 Satelife, Lda. All rights reserved.\n\nSatelife reports are for informational purposes only and do not constitute insurance, financial, or legal advice."
}