Residential Intellectual and Developmental Disability Facilities · California

6443-483030

Diamond Bar, CA · ~19 workers · 3 years of OSHA Injury Tracking Application data.

B
Good Safety Record
2.3
Avg TCR
3.8
Industry avg
0
Fatalities
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The verdict

6443-483030 runs at 59% of its industry's injury rate - safer than the typical Residential Intellectual and Developmental Disability Facilities workplace, earning a grade B.

6443-483030: 2.3 TCR = 59% of Residential Intellectual and Developmental Disability Facilities BLS 3.8 · 3y Form 300A (see methodology below)

6443-483030 safety composite

6443-483030 scores strongest on total case rate (tcr) (safer than 85% of same-industry peers) and weakest on dart rate (safer than 23%), 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

55/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
B 2.26 per 100 workers

Safer than 85% of industry peers

DART rate
F 6.77 per 100 workers

Safer than 23% 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%).

Rising injury rate

6443-483030: 0.0 → 6.8 TCR

Peak year 2022 @ 6.8 TCR · DART/TCR 3× in 2022

6443-483030's TCR rose 6.8 from 0.0 in 2019 to 6.8 in 2022. In 2022, DART was 3× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 623210 · Diamond Bar, CA AT/BELOW-IND · SMALL

Grade B · TCR 2.3 · 59% of ind

  • DART 6.8 DART
  • RANK #34/151
  • PHOTO Cappa
  • BOOK 3y book
  • INJ 1 inj
  • SIZE ~19 FTE

Nearest TCR peer: Cappa (0.0 TCR gap)

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

6443-483030 in the TCR neighbourhood

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

TCR

What this shows 6443-483030 averages 2.3 TCR (59% of the Residential Intellectual and Developmental Disability Facilities BLS benchmark).

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

6443-483030 TCR series: 2019=0 · 2020=0 · 2022=6.8 · BLS 3.8

Where 6443-483030 falls in its industry

2,261 Residential Intellectual and D establishments

Safer than 85% of graded establishments in this industry, whose median TCR is 5.8.

More dangerous than peersSafer than peers

Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #34 safest of 151 Residential Intellectual and D employers in California.

6443-483030 (19 employees, TCR 2.3) among 29 same-industry peers, split at the industry median of 65 employees and a TCR of 5.8 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 0200400600 0510152025 Average employees Total Case Rate 6443-483030
6443-483030 (19 employees, TCR 2.3) among 29 same-industry peers, split at the industry median of 65 employees and a TCR of 5.8

6443-483030 has fewer employees than the Residential Intellectual and Development median and a lower injury rate than the industry's median TCR of 5.8. 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 6.8 6.8 1 0 0
2020 0.0 0.0 0 0 0
2019 0.0 0.0 0 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

623210 · CA · Diamond Bar

2,261 Residential Intellectual and Developmental Disability Facilities employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 27 employers in Diamond Bar, CA · 4 cross-state NAT-TCR peers. Closest matches by relationship code are listed below.

Rel Establishment Metric
NAICS-TCR Cappa 2.3 TCR
NAICS-TCR The Arc Jefferson-St Lawrence NY 2.3 TCR
NAICS-TCR Statesville Admin Unit 2.3 TCR
NAICS-TCR FATHER FLANAGAN'S BOYS' HOME DBA BOYS TOWN-9 2.3 TCR
STATE-SIZE A. OSEGUERA CO., INC. 19 FTE
STATE-SIZE TEIXEIRA FARMS INC 19 FTE
STATE-SIZE Golden R, Inc. 19 FTE
STATE-SIZE PEDRAZZI FARMS 19 FTE
CITY-NEAR California Department of Transportation Facility 1 2,621 FTE
CITY-NEAR Niagara Bottling, LLC - Corporate 1,424 FTE
CITY-NEAR Ono-CORP 961 FTE
CITY-NEAR South Coast Air Quality Management District 798 FTE
NAT-TCR Bed Bath and Beyond Lynnwood 2.3 TCR
NAT-TCR Bed Bath and Beyond Asheville 2.3 TCR
NAT-TCR Bed Bath and Beyond North Brunswick 2.3 TCR
NAT-TCR PMG-Wyoming 2.3 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: 2022, 2020, 2019. 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.