Landscaping services (except planning) · California

Mariposa Landscapes Inc. - Arrow

Irwindale, CA · ~123 workers · 3 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
10.8
Avg TCR
4.5
Industry avg
0
Fatalities
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The verdict

Mariposa Landscapes Inc. - Arrow runs at 239% of its industry's injury rate - far more dangerous than the typical Landscaping services (except planning) workplace, earning a grade F.

Mariposa Landscapes Inc. - Arrow: 10.8 TCR = 239% of Landscaping services (except planning) BLS 4.5 · 3y Form 300A (see methodology below)

Mariposa Landscapes Inc. - Arrow safety composite

Mariposa Landscapes Inc. - Arrow scores strongest on fatalities (safer than 52% of same-industry peers) and weakest on total case rate (tcr) (safer than 14%), 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

28/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 10.75 per 100 workers

Safer than 14% of industry peers

DART rate
F 5.07 per 100 workers

Safer than 27% 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%).

TCR Δ

−1.4

2021→2023

Mariposa Landscapes Inc. - Arrow injury rate improved

Mariposa Landscapes Inc. - Arrow's TCR fell 1.4 from 6.5 in 2021 to 5.1 in 2023. Peak filing year was 2022 at 20.7 TCR. In 2023, DART was 0.47× this establishment's average TCR (severity share of cases).

2021=6.5 · 2022=20.7 · 2023=5.1

OSHA ITA Form 300A scorecard

Establishment book 561730 · Irwindale, CA ABOVE-IND · MID

Grade F · TCR 10.8 · 239% of ind

  • DART 5.1 DART
  • RANK #350/448
  • PHOTO FL - Port St Lucie
  • BOOK 3y book
  • INJ 32 inj
  • SIZE ~123 FTE

Nearest TCR peer: FL - Port St Lucie (0.0 TCR gap)

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Mariposa Landscapes Inc. - Arrow in the TCR neighbourhood

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

TCR

What this shows Mariposa Landscapes Inc. - Arrow averages 10.8 TCR (239% of the Landscaping services (except planning) BLS benchmark).

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

Mariposa Landscapes Inc. - Arrow TCR series: 2021=6.5 · 2022=20.7 · 2023=5.1 · BLS 4.5

Where Mariposa Landscapes Inc. - Arrow falls in its industry

2,875 Landscaping services (except p establishments

Safer than 14% of graded establishments in this industry, whose median TCR is 4.7.

More dangerous than peersSafer than peers

Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #350 safest of 448 Landscaping services (except p employers in California.

Mariposa Landscapes Inc. - Arrow (123 employees, TCR 10.8) among 29 same-industry peers, split at the industry median of 53 employees and a TCR of 4.7 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 0200400600800 051015 Average employees Total Case Rate Mariposa Landscapes Inc. - Arrow
Mariposa Landscapes Inc. - Arrow (123 employees, TCR 10.8) among 29 same-industry peers, split at the industry median of 53 employees and a TCR of 4.7

Mariposa Landscapes Inc. - Arrow has more employees than the Landscaping services (except planning) median and a higher injury rate than the industry's median TCR of 4.7. 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
2023 5.1 5.1 6 0 0
2022 20.7 16.0 21 1 0
2021 6.5 3.9 5 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

561730 · CA · Irwindale

2,875 Landscaping services (except planning) employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 84 employers in Irwindale, 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 FL - Port St Lucie 10.8 TCR
NAICS-TCR 5794 - Walton Hills 10.8 TCR
NAICS-TCR Cheviot Hills District Maint. 10.7 TCR
NAICS-TCR 131631 10.8 TCR
STATE-SIZE Four Star Fruit 123 FTE
STATE-SIZE CADY2 - 05 123 FTE
STATE-SIZE Enterprise Vineyards 123 FTE
STATE-SIZE DeBernardi Bros 123 FTE
CITY-NEAR Haynes Building Service, LLC 635 FTE
CITY-NEAR Biosense Irwindale 486 FTE
CITY-NEAR CA-Irwindale Business Center 473 FTE
CITY-NEAR MillerCoors Irwindale Brewery 473 FTE
NAT-TCR Big Lots Store #4521 Kent, WA 10.8 TCR
NAT-TCR Grand View Alzheimer's Special Care Center 10.8 TCR
NAT-TCR General Healthcare Resources LLC - 2 10.8 TCR
NAT-TCR Abilene- AB 10.8 TCR
NAT-SIZE Baylor Scott & White Medical Center - Buda 123 FTE
NAT-SIZE KODA Louisville Office 123 FTE
NAT-SIZE Kansas City Acute 123 FTE
NAT-SIZE AHC McNairy 123 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: 2023, 2022, 2021. This is publicly available government data - not a legal determination of workplace conditions.
Data sourced from official public datasets. See our methodology for details.