Plumbing contractors · California

Plumbworks Inc.

San Francisco, CA · ~18 workers · 2 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
13.6
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

Plumbworks Inc. runs at 485% of its industry's injury rate - far more dangerous than the typical Plumbing contractors workplace, earning a grade F.

Plumbworks Inc.: 13.6 TCR = 485% of Plumbing contractors BLS 2.8 · 2y Form 300A (see methodology below)

Plumbworks Inc. safety composite

Plumbworks Inc. scores strongest on dart rate (safer than 80% of same-industry peers) and weakest on total case rate (tcr) (safer than 4%), 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).

D

42/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 13.59 per 100 workers

Safer than 4% 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

−5.5

2017→2018

Plumbworks Inc. injury rate improved

Plumbworks Inc.'s TCR fell 5.5 from 16.4 in 2017 to 10.8 in 2018. Peak filing year was 2017 at 16.4 TCR. In 2018, DART was 0× this establishment's average TCR (severity share of cases).

2017=16.4 · 2018=10.8

OSHA ITA Form 300A scorecard

Establishment book 238220 · San Francisco, CA ABOVE-IND · SMALL

Grade F · TCR 13.6 · 485% of ind

  • DART 0.0 DART
  • RANK #557/594
  • PHOTO Summit Air & Electri…
  • BOOK 2y book
  • INJ 4 inj
  • SIZE ~18 FTE

Nearest TCR peer: Summit Air & Electric, LLC (0.0 TCR gap)

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

Plumbworks Inc. in the TCR neighbourhood

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

TCR

What this shows Plumbworks Inc. averages 13.6 TCR (485% of the Plumbing contractors BLS benchmark).

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

Plumbworks Inc. TCR series: 2017=16.4 · 2018=10.8 · BLS 2.8

Where Plumbworks Inc. falls in its industry

5,793 Plumbing contractors establishments

Safer than 4% 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 #557 safest of 594 Plumbing contractors employers in California.

Plumbworks Inc. (18 employees, TCR 13.6) 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 Plumbworks Inc.
Plumbworks Inc. (18 employees, TCR 13.6) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

Plumbworks 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
2018 10.8 0.0 1 0 0
2017 16.4 16.4 3 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · CA · San Francisco

5,793 Plumbing contractors employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 1,144 employers in San Francisco, CA · 4 cross-state NAT-TCR peers. Closest matches by relationship code are listed below.

Rel Establishment Metric
NAICS-TCR Summit Air & Electric, LLC 13.6 TCR
NAICS-TCR Heating and Cooling 13.6 TCR
NAICS-TCR ServiceMark - Gulph Mills, PA 13.6 TCR
NAICS-TCR HVAC Service 13.6 TCR
STATE-SIZE Henry Hibino Farms LLC 18 FTE
STATE-SIZE BATAVIA, INC. 18 FTE
STATE-SIZE Gold Coast Farms 18 FTE
STATE-SIZE HM.CLAUSE Davis East Research Station 18 FTE
CITY-NEAR UC San Francisco 18,070 FTE
CITY-NEAR DoorDash, Inc. 12,430 FTE
CITY-NEAR UC San Francisco Health 12,262 FTE
CITY-NEAR SFO - Airport United Airlines Offices 11,622 FTE
NAT-TCR Cedarhurst of Jacksonville 13.6 TCR
NAT-TCR Hin 09 13.6 TCR
NAT-TCR Uge Bhm 13.6 TCR
NAT-TCR 302 N Mildred St 13.6 TCR

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: 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.