Arborist services · California

Portola Valley

Portola Valley, CA · ~40 workers · 2 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
9.7
Avg TCR
4.5
Industry avg
0
Fatalities
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The verdict

Portola Valley runs at 216% of its industry's injury rate - far more dangerous than the typical Arborist services workplace, earning a grade F.

Portola Valley: 9.7 TCR = 216% of Arborist services BLS 4.5 · 2y Form 300A (see methodology below)

Portola Valley safety composite

Portola Valley scores strongest on fatalities (safer than 52% of same-industry peers) and weakest on total case rate (tcr) (safer than 18%), 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

29/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 9.71 per 100 workers

Safer than 18% of industry peers

DART rate
F 5.31 per 100 workers

Safer than 26% 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

−3.5

2023→2024

Portola Valley injury rate improved

Portola Valley's TCR fell 3.5 from 11.4 in 2023 to 8.0 in 2024. Peak filing year was 2023 at 11.4 TCR. In 2024, DART was 0.55× this establishment's average TCR (severity share of cases).

2023=11.4 · 2024=8.0

OSHA ITA Form 300A scorecard

Establishment book 561730 · Portola Valley, CA ABOVE-IND · SMALL

Grade F · TCR 9.7 · 216% of ind

  • DART 5.3 DART
  • RANK #325/448
  • PHOTO Beaufort
  • BOOK 2y book
  • INJ 7 inj
  • SIZE ~40 FTE

Nearest TCR peer: Beaufort (0.0 TCR gap)

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

Portola Valley in the TCR neighbourhood

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

TCR

What this shows Portola Valley averages 9.7 TCR (216% of the Arborist services BLS benchmark).

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

Portola Valley TCR series: 2023=11.4 · 2024=8 · BLS 4.5

Where Portola Valley falls in its industry

2,875 Arborist services establishments

Safer than 18% 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 #325 safest of 448 Arborist services employers in California.

Portola Valley (40 employees, TCR 9.7) 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 Portola Valley
Portola Valley (40 employees, TCR 9.7) among 29 same-industry peers, split at the industry median of 53 employees and a TCR of 4.7

Portola Valley has fewer employees than the Arborist services 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
2024 8.0 5.3 2 1 0
2023 11.4 9.2 5 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

561730 · CA · Portola Valley

2,875 Arborist services employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 6 employers in Portola Valley, 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 Beaufort 9.7 TCR
NAICS-TCR Council Bluffs Park Maintenance 9.7 TCR
NAICS-TCR GLS NATURE CARE 9.7 TCR
NAICS-TCR Tropical Plaza Nursery, Inc. 9.7 TCR
STATE-SIZE Stackhouse Brothers 40 FTE
STATE-SIZE PISTACHIO HARVESTING, INC. 40 FTE
STATE-SIZE Watsonville/San Juan Bautista 40 FTE
STATE-SIZE Gomez Growers 40 FTE
CITY-NEAR Sequoias Portola Valley 118 FTE
CITY-NEAR S.P. MCCLENAHAN CO INC 54 FTE
CITY-NEAR SEQUOIA LIVING - POR 50 FTE
CITY-NEAR Treeland TSJ 41 FTE
NAT-TCR Tampa Bay Area Logistics, LLC 9.7 TCR
NAT-TCR Courtyard Crabtree Valley 9.7 TCR
NAT-TCR Amazon.com Services LLC - DBO9 9.7 TCR
NAT-TCR Mediacom's Huntsville, AL 9.7 TCR
NAT-SIZE Bostik Inc. Ashland, Ohio 40 FTE
NAT-SIZE Impact Operations 40 FTE
NAT-SIZE Washington Court House OH 40 FTE
NAT-SIZE Hydra Pools, Inc - Sweetwater 40 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: 2024, 2023. 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.