Construction management, water and sewer line · California
Norstar Plumbing and Engineering, Inc
Alta Loma, CA · ~29 workers · 4 years of OSHA Injury Tracking Application data.
- A
- Excellent Safety Record
- 0.9
- Avg TCR
- 2.8
- Industry avg
- 0
- Fatalities
The verdict
Norstar Plumbing and Engineering, Inc runs at 31% of its industry's injury rate - far safer than the typical Construction management, water and sewer line workplace, earning a grade A.
Norstar Plumbing and Engineering, Inc: 0.9 TCR = 31% of Construction management, water and sewer line BLS 2.8 · 4y Form 300A (see methodology below)
Norstar Plumbing and Engineering, Inc safety composite
Norstar Plumbing and Engineering, Inc scores strongest on total case rate (tcr) (safer than 90% of same-industry peers) and weakest on dart rate (safer than 22%), 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).
57/100
Percentile-weighted across 3 of 3 measures
- Total Case Rate (TCR)
- A 0.86 per 100 workers
Safer than 90% of industry peers
- DART rate
- F 3.45 per 100 workers
Safer than 22% of industry peers
- Fatalities
- D 0
Safer than 52% 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%).
Rising injury rate
Norstar Plumbing and Engineering, Inc: 0.0 → 3.5 TCR
Peak year 2024 @ 3.5 TCR · DART/TCR 4.01× in 2024
Norstar Plumbing and Engineering, Inc's TCR rose 3.5 from 0.0 in 2020 to 3.5 in 2024. In 2024, DART was 4.01× this establishment's average TCR (severity share of cases).
OSHA ITA Form 300A scorecard
Establishment book 237110 · Alta Loma, CA AT/BELOW-IND · SMALL
Grade A · TCR 0.9 · 31% of ind
- DART 3.5 DART
- RANK #16/201
- PHOTO Argo Construction Co…
- BOOK 4y book
- INJ 1 inj
- SIZE ~29 FTE
Nearest TCR peer: Argo Construction Corporation (0.0 TCR gap)
Read with this employer → · Industry book → · California employers → · Look up another →
Norstar Plumbing and Engineering, Inc in the TCR neighbourhood
Average Total Case Rate among this establishment and nearest same-industry peers
- This site
Norstar Plumbing and Engineering, Inc
0.9 TCR
- Argo Construct
Argo Construction Corporation
0.9 TCR
- 2712_12719
2712_12719
0.9 TCR
- 17-015 Southwe
17-015 Southwest Regional WRF Exp
0.9 TCR
- C. J. Hughes C
C. J. Hughes Construction Co., Inc.
0.9 TCR
What this shows Norstar Plumbing and Engineering, Inc averages 0.9 TCR (31% of the Construction management, water and sewer line BLS benchmark).
Norstar Plumbing and Engineering, Inc TCR series: 2020=0 · 2022=0 · 2023=0 · 2024=3.5 · BLS 2.8
Where Norstar Plumbing and Engineering, Inc falls in its industry
1,614 Construction management, water establishmentsSafer than 90% of graded establishments in this industry, whose median TCR is 3.0.
Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #16 safest of 201 Construction management, water employers in California.
Norstar Plumbing and Engineering, Inc has fewer employees than the Construction management, water and sewer median and a lower injury rate than the industry's median TCR of 3.0. 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 | 3.5 | 3.5 | 1 | 0 | 0 |
| 2023 | 0.0 | 0.0 | 0 | 0 | 0 |
| 2022 | 0.0 | 0.0 | 0 | 0 | 0 |
| 2020 | 0.0 | 0.0 | 0 | 0 | 0 |
OSHA ITA peer cross-reference
Establishment peer ledger
237110 · CA · Alta Loma
1,614 Construction management, water and sewer line employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 3 employers in Alta Loma, 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 | Argo Construction Corporation | 0.9 TCR |
| NAICS-TCR | 2712_12719 | 0.9 TCR |
| NAICS-TCR | 17-015 Southwest Regional WRF Exp | 0.9 TCR |
| NAICS-TCR | C. J. Hughes Construction Co., Inc. | 0.9 TCR |
| STATE-SIZE | Sean V. Doherty Farms | 29 FTE |
| STATE-SIZE | Blanco Farms, LLC | 29 FTE |
| STATE-SIZE | CONSTRUCTION SUPPORT SHOP | 29 FTE |
| STATE-SIZE | Cottonwood Farms | 29 FTE |
| CITY-NEAR | Rancho Mesa Care Center | 90 FTE |
| CITY-NEAR | Sunlit Gardens | 59 FTE |
| NAT-TCR | KenMac Metals - Cleveland | 0.9 TCR |
| NAT-TCR | McVantage Packaging - Nashville | 0.9 TCR |
| NAT-TCR | MH Muncie | 0.9 TCR |
| NAT-TCR | The Little Potato Company | 0.9 TCR |
| NAT-SIZE | Coastal Fiber | 29 FTE |
| NAT-SIZE | Danzer Lumber North America Shade Gap | 29 FTE |
| NAT-SIZE | CARS Recon Inc. Phoenix | 29 FTE |
| NAT-SIZE | PRP Services Inc | 29 FTE |
Rel codes: NAICS-TCR · STATE-SIZE · CITY-NEAR · NAT-TCR/NAT-SIZE cross-state. Read with this employer →
Read our methodology - how this data is sourced, computed, and verified.