Plumbing contractors · California

Sierra Commercial Plumbing, Inc.

Simi Valley, CA · ~55 workers · 6 years of OSHA Injury Tracking Application data.

D
Poor Safety Record
3.6
Avg TCR
2.8
Industry avg
0
Fatalities
Subscribe to safety-record updates (RSS)

The verdict

Sierra Commercial Plumbing, Inc. runs at 130% of its industry's injury rate - more dangerous than the typical Plumbing contractors workplace, earning a grade D.

Sierra Commercial Plumbing, Inc.: 3.6 TCR = 130% of Plumbing contractors BLS 2.8 · 6y Form 300A (see methodology below)

Sierra Commercial Plumbing, Inc. safety composite

Sierra Commercial Plumbing, Inc. scores strongest on dart rate (safer than 80% of same-industry peers) and weakest on total case rate (tcr) (safer than 47%), blended into one 0-100 breakdown against same-industry peers. A missing measure drops out and redistributes its weight rather than deflating the score. This is a per-dimension breakdown, distinct from the single letter grade above it (which weights TCR alone against the BLS industry benchmark).

C

60/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
D 3.64 per 100 workers

Safer than 47% of industry peers

DART rate
B 0 per 100 workers

Safer than 80% of industry peers

Fatalities
D 0

Safer than 51% of industry peers

Benchmarked live against every credibly-rated employer in the same NAICS industry code in the current OSHA extract (a segment must have at least 8 rated peers to benchmark). Not a legal or compliance determination; PlainSafetyScore's own weighting (TCR 40%, DART 35%, fatalities 25%).

TCR Δ

−3.2

2017→2022

Sierra Commercial Plumbing, Inc. injury rate improved

Sierra Commercial Plumbing, Inc.'s TCR fell 3.2 from 5.8 in 2017 to 2.6 in 2022. Peak filing year was 2019 at 8.4 TCR. In 2022, DART was 0× this establishment's average TCR (severity share of cases).

2017=5.8 · 2018=5.0 · 2019=8.4 · 2020=0.0 · 2021=0.0 · 2022=2.6

OSHA ITA Form 300A scorecard

Establishment book 238220 · Simi Valley, CA ABOVE-IND · SMALL

Grade D · TCR 3.6 · 130% of ind

  • DART 0.0 DART
  • RANK #285/594
  • PHOTO Sabbatini Plumbing Inc
  • BOOK 6y book
  • INJ 12 inj
  • SIZE ~55 FTE

Nearest TCR peer: Sabbatini Plumbing Inc (0.0 TCR gap)

Read with this employer → · Industry book → · California employers → · Look up another →

Sierra Commercial Plumbing, Inc. in the TCR neighbourhood

Average Total Case Rate among this establishment and nearest same-industry peers

TCR

What this shows Sierra Commercial Plumbing, Inc. averages 3.6 TCR (130% of the Plumbing contractors BLS benchmark).

Source U.S. Department of Labor, OSHA Injury Tracking Application (Form 300A) As of 2026-08-25

Sierra Commercial Plumbing, Inc. TCR series: 2017=5.8 · 2018=5 · 2019=8.4 · 2020=0 · 2021=0 · 2022=2.6 · BLS 2.8

Where Sierra Commercial Plumbing, Inc. falls in its industry

5,793 Plumbing contractors establishments

Safer than 47% of graded establishments in this industry, whose median TCR is 3.3.

More dangerous than peersSafer than peers

Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #285 safest of 594 Plumbing contractors employers in California.

Sierra Commercial Plumbing, Inc. (55 employees, TCR 3.6) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3 2×2 strategic matrix plotting 30 entities by Average employees (X) and Total Case Rate (Y), with a crosshair dividing the plot into four quadrants. Larger & higher-riskSmaller & higher-riskLarger & saferSmaller & safer than peers 050100150200250 05101520 Average employees Total Case Rate Sierra Commercial Plumbing, Inc.
Sierra Commercial Plumbing, Inc. (55 employees, TCR 3.6) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

Sierra Commercial Plumbing, Inc. has fewer employees than the Plumbing contractors median and a higher injury rate than the industry's median TCR of 3.3. Workforce size and injury rate do not always move together within the same industry -- some of its smaller peers run higher rates than its larger ones, and vice versa.

Year-by-Year Safety Data

Year TCR DART Injuries Illnesses Fatalities
2022 2.6 0.0 1 0 0
2021 0.0 0.0 0 0 0
2020 0.0 0.0 0 0 0
2019 8.4 1.7 5 0 0
2018 5.0 1.3 3 1 0
2017 5.8 0.0 3 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · CA · Simi Valley

5,793 Plumbing contractors employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 139 employers in Simi Valley, CA · 4 cross-state NAT-TCR peers · 4 cross-state NAT-SIZE peers. Closest matches by relationship code are listed below.

Rel Establishment Metric
NAICS-TCR Sabbatini Plumbing Inc 3.6 TCR
NAICS-TCR Andrews Refrigeration Inc 3.6 TCR
NAICS-TCR Main Office 3.6 TCR
NAICS-TCR Excel HVAC Inc. 3.6 TCR
STATE-SIZE FARMING ADMINISTRATION 55 FTE
STATE-SIZE Dwelley Family Farms LLC 55 FTE
STATE-SIZE Tri-Valley Vineyard Management 55 FTE
STATE-SIZE Cornerstone Certified Vineyard 55 FTE
CITY-NEAR Meggitt Safety Systems, Inc. 563 FTE
CITY-NEAR 9292-AHSV001 - HOSPITAL 555 FTE
CITY-NEAR City of Simi Valley 520 FTE
CITY-NEAR Milgard Manufacturing Simi Valley CA 511 FTE
NAT-TCR GALVANIZERS, Inc. 3.6 TCR
NAT-TCR Trailer Axle Assembly 3.6 TCR
NAT-TCR New Rh LLC 3.6 TCR
NAT-TCR Ihop 1482 3.6 TCR
NAT-SIZE AN3 Boston, LLC 55 FTE
NAT-SIZE Spartan Printing, Inc. 55 FTE
NAT-SIZE Teva Pharmaceuticals USA - Fairfield 55 FTE
NAT-SIZE Color-Ad, Inc. 55 FTE

Rel codes: NAICS-TCR · STATE-SIZE · CITY-NEAR · NAT-TCR/NAT-SIZE cross-state. Read with this employer →

Data Source: OSHA Injury Tracking Application (ITA), mandatory establishment-level injury/illness reports. Grades compare employer Total Case Rate (TCR) to BLS IIF industry benchmarks. Data covers years reported by this establishment: 2022, 2021, 2020, 2019, 2018, 2017. This is publicly available government data - not a legal determination of workplace conditions.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from official public datasets. See our methodology for details.