The official Twitter account for the Alameda County Fire Department. Tweets are not monitored 24/7. RTs are not endorsements. To report an emergency call 9-1-1.
Joined August 2009
- Tweets 11,146
- Following 3,423
- Followers 34,043
- Likes 8,629
3,948 Photos and videos
ACFD is assisting with a large mutual aid response to a massive warehouse fire in Tracy, along with a nearby vegetation fire. Smoke has been visible for miles. Crews stopped fire spread to an adjacent building; fire remains active. No reported injuries at this time.
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ACFD Strike Team Support – Tracy Fires
ACFD resources are actively assisting with multiple fire incidents in Tracy.
One Type 1 engine is part of a strike team assigned to a structure fire. In addition, two Chief Officers, one dozer, one Type 3 engine, and two Type 6 engines.
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Apply by June 10 to join the Tree Advisory Group (TAG):
✔️ 2 hrs/month
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At 2:32 pm, the Alameda County Fire Department was called to a vegetation fire in the 21000 block of Knoll Way in Castro Valley.
Witnesses saw thick black smoke. ACFD and Hayward Fire responded. About ½ acre burned.
Mop up is happening right now.
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A fire now under control in the 19000 block of Hesperian Blvd. in unincorporated Hayward at a convalescent home. Alameda County Fire Department (ACFD) was called at 2:32 pm. The fire started in the basement and made its way to the roof. It was quickly put out. #ALCOFIRE
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Alameda County Fire retweeted
May 17
The fire is extinguished. Roadway is now open.
May 17
***Traffic Advisory*** Altamont pass Road closed between Carroll and Grant Line Road due to a vegetation fire. Unknown ETO. Expect delays.
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Alameda County Fire retweeted
May 17
***Traffic Advisory*** Altamont pass Road closed between Carroll and Grant Line Road due to a vegetation fire. Unknown ETO. Expect delays.
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Alameda County Fire retweeted
May 17
🚨🔥@CALFIRE_SCU, @AlamedaCoFire , and @LPFDFirefighter Resources are on scene of a vegetation fire off Altamont Pass Road, northeast of @CityofLivermore .
Initial reports indicate the fire is approximately 3-5 acres in size.
⚠️ DRIVERS: Please use extreme caution when traveling through the area. Slow down and watch out for emergency responders and equipment on the roadway. #CALFIRE #VegetationFire
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Traffic Collision – SR‑238
At 3:42 PM, ACFD responded to an extended traffic collision on SB 238 at Mission Blvd. Two adults with moderate injuries were extricated and transported to local hospitals.
#ALCOFIRE #ALCOFIREFIGHTERS
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Structure Fire – San Leandro:
ACFD responded to a structure fire in the 14000 block of Farnsworth St. on April 5 at 6:38 p.m. Crews stopped the fire from spreading to a nearby home. Damage to a fence and outbuilding. No serious injuries. Cause under investigation.
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The Alameda County Fire Department (ACFD) responded to a structure fire in the 14000 block of Farnsworth Street in San Leandro.
Four engines, one truck, and one rescue vehicle were dispatched to the scene. Firefighters are actively working the fire.
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Alameda County Fire retweeted
#ALCOFIREFIGHTERS are currently on scene of multiple units on fire in San Leandro. Please avoid the area. @Inc1dentcommand
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Heat Wave Continues Through Friday
An early‑season heat wave is bringing record temps & Moderate HeatRisk across the Bay Area through Fri (3/20).
Elevated grass fire risk due to warm, dry conditions & offshore winds.
💧 Stay hydrated, limit outdoor activity .
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Traffic Alert
3:50 PM | ACFD responded to a 2‑vehicle collision on SB I‑880 south of Marina Blvd. in San Leandro. One patient was extricated with minor injuries.
@CHPHayward
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At 6:54 a.m. today, ACFD responded to a house fire in the 15000 block of Usher St. One occupant was rescued and transported to a hospital. Fire was knocked down in ~30 minutes. Cause under investigation.
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🚒 ACFD Incident Update: On Feb. 2, 2026, crews quickly extinguished a big rig fire carrying produce on WB I‑80 in Emeryville. No injuries reported. The incident caused major traffic delays. 🚧
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21 Dec 2025
Alameda County Fire Department
Weather Safety Tips:
✅ Before the Storm
•Clear gutters & drains.
•Get sandbags (fill ⅓ full).
•Prepare emergency kit & family plan.
•Sign up for AC Alert and monitor weather.
#ALCOFIRE
#ALCOFirefighters
#ProudToBeACFD
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16 Dec 2025
Traffic Alert – Castro Valley
ACFD and CHP are on scene of an accident on EB I-580 near Eden Canyon Rd. A car landed on BART tracks, sparking a brush fire. BART and traffic delays expected. Avoid area.
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