Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers · California

4100 North Webster Ave

Perris, CA · ~168 workers · 2 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
5.0
Avg TCR
2.2
Industry avg
0
Fatalities
Subscribe to safety-record updates (RSS)

The verdict

4100 North Webster Ave runs at 228% of its industry's injury rate - far more dangerous than the typical Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers workplace, earning a grade F.

4100 North Webster Ave: 5.0 TCR = 228% of Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers BLS 2.2 · 2y Form 300A (see methodology below)

4100 North Webster Ave safety composite

4100 North Webster Ave scores strongest on fatalities (safer than 50% of same-industry peers) and weakest on dart rate (safer than 17%), 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).

F

30/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 5.01 per 100 workers

Safer than 28% of industry peers

DART rate
F 5.18 per 100 workers

Safer than 17% of industry peers

Fatalities
D 0

Safer than 50% 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%).

4100 North Webster Ave held a steady TCR band

4100 North Webster Ave's TCR held near 0.3 from 4.8 in 2020 to 5.2 in 2021. In 2021, DART was 1.03× this establishment's average TCR (severity share of cases).

2020=4.8 · 2021=5.2

OSHA ITA Form 300A scorecard

Establishment book 423720 · Perris, CA ABOVE-IND · MID

Grade F · TCR 5.0 · 228% of ind

  • DART 5.2 DART
  • RANK #53/85
  • PHOTO 1809 Brittmoore Road
  • BOOK 2y book
  • INJ 22 inj
  • SIZE ~168 FTE

Nearest TCR peer: 1809 Brittmoore Road (0.0 TCR gap)

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

4100 North Webster Ave in the TCR neighbourhood

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

TCR

What this shows 4100 North Webster Ave averages 5.0 TCR (228% of the Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers BLS benchmark).

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

4100 North Webster Ave TCR series: 2020=4.8 · 2021=5.2 · BLS 2.2

Where 4100 North Webster Ave falls in its industry

853 Plumbing and Heating Equipment establishments

Safer than 28% 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 #53 safest of 85 Plumbing and Heating Equipment employers in California.

4100 North Webster Ave (168 employees, TCR 5.0) among 29 same-industry peers, split at the industry median of 38 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 0100200300400500 051015 Average employees Total Case Rate 4100 North Webster Ave
4100 North Webster Ave (168 employees, TCR 5.0) among 29 same-industry peers, split at the industry median of 38 employees and a TCR of 3.3

4100 North Webster Ave has more employees than the Plumbing and Heating Equipment and Suppl 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
2021 5.2 5.2 12 0 0
2020 4.8 4.8 10 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

423720 · CA · Perris

853 Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 130 employers in Perris, 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 1809 Brittmoore Road 5.0 TCR
NAICS-TCR 2425 N 14th Ave 5.0 TCR
NAICS-TCR Mid-State Supply Wautoma 5.0 TCR
NAICS-TCR HPS Wilmington 5.0 TCR
STATE-SIZE Mininger Farms 168 FTE
STATE-SIZE Bud of California Lettuce 168 FTE
STATE-SIZE California Sun Grower Services/Equipment Services & Lucero Farms - Los Banos 168 FTE
STATE-SIZE CCH 168 FTE
CITY-NEAR South West Distribution Center SWDC 1,419 FTE
CITY-NEAR South West Distribution Center - SWDC 1,340 FTE
CITY-NEAR SOUTHERN REGION : RRU 1,332 FTE
CITY-NEAR Ono-015 911 FTE
NAT-TCR 49321r - Tualatin Pec 5.0 TCR
NAT-TCR 42121f - Norwich Pec 5.0 TCR
NAT-TCR Ferry Cap and Set Screw 5.0 TCR
NAT-TCR Joseph Campione, LLC North Plant 5.0 TCR
NAT-SIZE MPD, Inc. Main Campus 168 FTE
NAT-SIZE BandD Foods 168 FTE
NAT-SIZE All Reliable Services Inc. 168 FTE
NAT-SIZE 422-DC015 168 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: 2021, 2020. 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.