Plumbing contractors · California

Dowdle & Sons Mechanical, Inc.

American Canyon, CA · ~28 workers · 7 years of OSHA Injury Tracking Application data.

D
Poor Safety Record
3.9
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

Dowdle & Sons Mechanical, Inc. runs at 138% of its industry's injury rate - more dangerous than the typical Plumbing contractors workplace, earning a grade D.

Dowdle & Sons Mechanical, Inc.: 3.9 TCR = 138% of Plumbing contractors BLS 2.8 · 7y Form 300A (see methodology below)

Dowdle & Sons Mechanical, Inc. safety composite

Dowdle & Sons Mechanical, Inc. scores strongest on dart rate (safer than 80% of same-industry peers) and weakest on total case rate (tcr) (safer than 44%), 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

58/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
D 3.87 per 100 workers

Safer than 44% 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

−5.0

2017→2024

Dowdle & Sons Mechanical, Inc. injury rate improved

Dowdle & Sons Mechanical, Inc.'s TCR fell 5.0 from 5.0 in 2017 to 0.0 in 2024. Peak filing year was 2019 at 11.2 TCR. In 2024, DART was 0× this establishment's average TCR (severity share of cases).

2017=5.0 · 2018=3.7 · 2019=11.2 · 2021=3.6 · 2022=3.5 · 2023=0.0 · 2024=0.0

OSHA ITA Form 300A scorecard

Establishment book 238220 · American Canyon, CA ABOVE-IND · SMALL

Grade D · TCR 3.9 · 138% of ind

  • DART 0.0 DART
  • RANK #301/594
  • PHOTO Brown Sprinkler Corp…
  • BOOK 7y book
  • INJ 7 inj
  • SIZE ~28 FTE

Nearest TCR peer: Brown Sprinkler Corporation (Lexington, KY) (0.0 TCR gap)

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

Dowdle & Sons Mechanical, Inc. in the TCR neighbourhood

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

TCR

What this shows Dowdle & Sons Mechanical, Inc. averages 3.9 TCR (138% of the Plumbing contractors BLS benchmark).

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

Dowdle & Sons Mechanical, Inc. TCR series: 2017=5 · 2018=3.7 · 2019=11.2 · 2021=3.6 · 2022=3.5 · 2023=0 · 2024=0 · BLS 2.8

Where Dowdle & Sons Mechanical, Inc. falls in its industry

5,793 Plumbing contractors establishments

Safer than 44% 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 #301 safest of 594 Plumbing contractors employers in California.

Dowdle & Sons Mechanical, Inc. (28 employees, TCR 3.9) 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 Dowdle & Sons Mechanical, Inc.
Dowdle & Sons Mechanical, Inc. (28 employees, TCR 3.9) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

Dowdle & Sons Mechanical, 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
2024 0.0 0.0 0 0 0
2023 0.0 0.0 0 0 0
2022 3.5 3.5 1 0 0
2021 3.6 0.0 1 0 0
2019 11.2 11.2 3 0 0
2018 3.7 3.7 1 0 0
2017 5.0 0.0 1 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · CA · American Canyon

5,793 Plumbing contractors employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 35 employers in American Canyon, 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 Brown Sprinkler Corporation (Lexington, KY) 3.9 TCR
NAICS-TCR Seamans Air Conditioning Refrigeration Inc 3.9 TCR
NAICS-TCR Holiday Beach Mechanical 3.9 TCR
NAICS-TCR General Refrigeration LLC DBA Premistar North, General Mechanical 3.9 TCR
STATE-SIZE Davis Ranch L.L.C. 28 FTE
STATE-SIZE Steinbeck Country Produce 28 FTE
STATE-SIZE Harlan Family Ranch 28 FTE
STATE-SIZE KKG Equipment Company, LLC32 28 FTE
CITY-NEAR DFO9 704 FTE
CITY-NEAR Westlake Royal Stone LLC - American Canyon, CA 366 FTE
CITY-NEAR 1651 354 FTE
CITY-NEAR WM 1651 328 FTE
NAT-TCR Mexican Original Portland Plnt 3.9 TCR
NAT-TCR Viking Corp Hastings 3.9 TCR
NAT-TCR Holmes By Products Co, Inc. 3.9 TCR
NAT-TCR DC8 3.9 TCR
NAT-SIZE Highway & Town Properties 28 FTE
NAT-SIZE Robards Freezer 28 FTE
NAT-SIZE Iva Lee Feed Mill 28 FTE
NAT-SIZE Washburn Taco Bell 28 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: 2024, 2023, 2022, 2021, 2019, 2018, 2017. This is publicly available government data - not a legal determination of workplace conditions.
Data sourced from official public datasets. See our methodology for details.