Temecula, California · Plumbing, Heating, and Air-Conditioning Contractors · NAICS 238220
Since 2011, OSHA inspectors have visited NP Mechanical, Inc in California 7 times.
The most recent inspection opened on Apr 17, 2026 after an accident, in Rialto and is still open.
In all, OSHA issued 22 citation items: 5 serious and 17 other-than-serious.
The proposed penalties came to $94,150; today they stand at $71,840, 24% less.
Among construction employers, the typical cited inspection since 2015 ends with a $3,080 penalty. NP Mechanical, Inc averages $13,968 across 5 cited inspections.
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Watch this company1701 Lightning Street, Rialto, CA 92376 · Mechanical Power Transmission Equipment Manufacturing · OSHA's record · Phone and website on Google Maps
| Citation and rule | Type | Proposed | Current | Issued | Status |
|---|---|---|---|---|---|
| Citation 1, item 1 29 CFR 3556(B) |
Other-than-serious | $875 | $875 | Jun 12, 2026 | Contested |
| Citation 1, item 2 29 CFR 3384(B) |
Other-than-serious | $875 | $875 | Jun 12, 2026 | Contested |
2952 W. Lincoln Ave., Anaheim, CA 92801 · 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 3276(E)(9) |
Other-than-serious | $1,060 | $700 | Aug 11, 2025 | Final |
155 E. Covina Blvd, Covina, CA 91722 · General Warehousing and Storage · OSHA's record · Phone and website on Google Maps
| Citation and rule | Type | Proposed | Current | Issued | Status |
|---|---|---|---|---|---|
| Citation 1, item 1 29 CFR 3203(A) |
Other-than-serious | $200 | $160 | Oct 8, 2024 | Final |
| Citation 2, item 1 29 CFR 1509(A) |
Serious | $7,200 | $4,385 | Oct 8, 2024 | Final |
| Citation 3, item 1 29 CFR 3328(G) |
Serious | $22,500 | $18,000 | Oct 8, 2024 | Final |
33 Cabernet, Rancho Mirage Ca 92270, Rancho Mirage, CA 92270 · General Warehousing and Storage · OSHA's record · Phone and website on Google Maps
Incident on Mar 2, 2021: Employee sustains fractures in fall climbing ladder to roof
At 12:40 p.m. on March 2, 2021, an employee working as an engineering technician for a mechanical contractor was working at a residential home site. The employee was extending a vent pipe on the roof of the home. The employee placed a ladder on the wall of the home and started to climb. The ladder slipped out from under him causing him to fall leading. The employee sustained serious injuries, including fractures, and was hospitalized.
| Citation and rule | Type | Proposed | Current | Issued | Status |
|---|---|---|---|---|---|
| Citation 4, item 1 29 CFR 3276(E) |
Serious | $18,000 | $18,000 | Aug 2, 2021 | Final |
29108 Tanoak, Lake Elsinore, CA 92530 · Plumbing, Heating, and Air-Conditioning Contractors · OSHA's record · Phone and website on Google Maps
No citations from this inspection.
3702 E. Mercado Dr., Brea, CA 92823 · Plumbing, Heating, and Air-Conditioning Contractors · OSHA's record · Phone and website on Google Maps
Incident on Feb 15, 2018: Employee is burned in welding cylinders explosion
At 12:00 p.m. on February 15, 2018, Employee #1 and Coworker #1, employed by a heating/ventilation/air conditioning employer, were working in the attic of a new multifamily residential building. Coworker #1, a welder, was assigned to find and braze a leak in a copper line, and Employee #1 was helping the welder. Employee #1 turned on the acetylene torch, and the oxygen and acetylene tanks exploded. Emergency services were called, and Employee #1 was transported to the hospital. He was admitted and treated for second degree burns to his right upper extremity, including his right hand, wrist, and forearm. forearm.
| Citation and rule | Type | Proposed | Current | Issued | Status |
|---|---|---|---|---|---|
| Citation 1, item 1 29 CFR 342(A) |
Other-than-serious | $5,000 | $3,000 | Jun 6, 2018 | Final |
| Citation 1, item 2 29 CFR 3203(A) |
Other-than-serious | $750 | $335 | Jun 6, 2018 | Final |
| Citation 1, item 3 29 CFR 3380(A) |
Other-than-serious | $420 | $335 | Jun 6, 2018 | Final |
| Citation 1, item 4 29 CFR 4845(X) |
Other-than-serious | $1,500 | $450 | Jun 6, 2018 | Final |
| Citation 2, item 1 29 CFR 3556(A) |
Other-than-serious | $10,125 | $675 | Jun 6, 2018 | Final |
| Citation 3, item 1 29 CFR 3650(T)(33) |
Serious | $5,060 | $4,050 | Jun 6, 2018 | Final |
| Citation 4, item 1 29 CFR 3328(C) |
Serious | $18,000 | $18,000 | Jun 6, 2018 | Final |
35001 Rancho California Road, Temecula, CA 92591 · 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 1509 C |
Other-than-serious | $325 | $250 | Sep 7, 2011 | Final |
| Citation 1, item 2 29 CFR 1509 A |
Other-than-serious | $160 | $125 | Sep 7, 2011 | Final |
| Citation 1, item 3 29 CFR 1541 C02 |
Other-than-serious | $160 | $125 | Sep 7, 2011 | Final |
| Citation 1, item 4 29 CFR 1541 H01 |
Other-than-serious | $485 | $375 | Sep 7, 2011 | Final |
| Citation 1, item 5 | Other-than-serious | $810 | $625 | Sep 7, 2011 | Final |
| Citation 1, item 6 29 CFR 1712 C01 |
Other-than-serious | $325 | $250 | Sep 7, 2011 | Final |
| Citation 1, item 7 29 CFR 3395 F01 |
Other-than-serious | $160 | $125 | Sep 7, 2011 | Final |
| Citation 1, item 8 29 CFR 3395 F03 |
Other-than-serious | $160 | $125 | Sep 7, 2011 | Final |
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.