San Francisco, California · Plumbing, Heating, and Air-Conditioning Contractors · NAICS 238220
Since 2009, OSHA inspectors have visited Acco Engineering Systems in California 4 times.
The most recent inspection opened on Jul 24, 2025 after an accident, in San Francisco and is still open.
In all, OSHA issued 4 citation items: 1 serious and 3 other-than-serious.
The proposed penalties came to $46,735; today they stand at $25,110, 46% less.
Among construction employers, the typical cited inspection since 2015 ends with a $3,079 penalty. Acco Engineering Systems averages $8,370 across 3 cited inspections.
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Watch this company505 Parnassus Ave., San Francisco, CA 94143 · Plumbing, Heating, and Air-Conditioning Contractors · OSHA's record · Phone and website on Google Maps
| Citation and rule | Type | Proposed | Current | Issued | Status |
|---|---|---|---|---|---|
| Citation 1, item 1 29 CFR 1511(B) |
Other-than-serious | $800 | $800 | Sep 4, 2025 | Contested |
| Citation 2, item 1 29 CFR 1632(H) |
Serious | $22,500 | $22,500 | Sep 4, 2025 | Contested |
1060 South Broadway, Los Angeles, CA 90015 · Plumbing, Heating, and Air-Conditioning Contractors · OSHA's record · Phone and website on Google Maps
| Citation and rule | Type | Proposed | Current | Issued | Status |
|---|---|---|---|---|---|
| Citation 1, item 1 | Other-than-serious | $935 | $750 | Dec 15, 2021 | Final |
353 Sacramento Street, San Francisco, CA 94111 · All Other Specialty Trade Contractors · OSHA's record · Phone and website on Google Maps
Incident on Sep 30, 2019: Employee fractures wrist in fall from ladder
At 8:00 a.m. on September 30, 2019, an employee, a crew foreman, was replacing and installing pipes in a commercial building. The employee was working from a stepladder to remove the cap of a pipe. Once the employee removed the bolts that secured the cap to the pipe, the pressure in the pipe caused the cap to fly off and struck him in the face and knocked him off the stepladder. The employee was hospitalized to treat a fractured left wrist and lacerations to his palm and face.
| Citation and rule | Type | Proposed | Current | Issued | Status |
|---|---|---|---|---|---|
| Citation 2, item 1 29 CFR 3329(E) |
Other-than-serious | $22,500 | $1,060 | Mar 27, 2020 | Final |
4695 Mcarthur Bl, Newport Beach, CA 92660 · Power and Communication Line and Related Structures Construction · OSHA's record · Phone and website on Google Maps
Incident on Jun 22, 2009: Employee injures thumb while removing galvanized pipe
On June 19, 2009, an employee was removing a coil section from an air conditioni ng unit that weighed approximately 1,000 lbs. The employee and five other cowork ers were pushing the coil section so that it slid about six inches per push. On the last push the coil unexpectedly slid about two feet into another riser pipe where the employee's thumb was pinched. The wound was minor requiring a band aid at the time. Two days later his thumb became infected. He was admitted to the h ospital for intravenous antibiotics and released approximately 30 hours later.
No citations from this inspection.
Current text from the Code of Federal Regulations. Some citations were issued under older wording.
Source: U.S. Department of Labor, OSHA enforcement data. A citation is OSHA's allegation; employers can contest it, and the status column shows where each item stands. Something wrong on this page? Tell us.