Steep slope roofing installation · Washington

Cornerstone Roofing, Inc.

Bothell, WA · ~34 workers · 4 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
14.2
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

Cornerstone Roofing, Inc. runs at 507% of its industry's injury rate - far more dangerous than the typical Steep slope roofing installation workplace, earning a grade F.

Cornerstone Roofing, Inc.: 14.2 TCR = 507% of Steep slope roofing installation BLS 2.8 · 4y Form 300A (see methodology below)

Cornerstone Roofing, Inc. safety composite

Cornerstone Roofing, Inc. scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on dart rate (safer than 3%), 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

16/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 14.2 per 100 workers

Safer than 6% of industry peers

DART rate
F 15.07 per 100 workers

Safer than 3% of industry peers

Fatalities
D 0

Safer than 51% 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

Cornerstone Roofing, Inc.: 9.9 → 15.1 TCR

Peak year 2021 @ 21.4 TCR · DART/TCR 1.06× in 2022

Cornerstone Roofing, Inc.'s TCR rose 5.1 from 9.9 in 2019 to 15.1 in 2022. Peak filing year was 2021 at 21.4 TCR. In 2022, DART was 1.06× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 238160 · Bothell, WA ABOVE-IND · SMALL

Grade F · TCR 14.2 · 507% of ind

  • DART 15.1 DART
  • RANK #28/34
  • PHOTO Noble Pride Roofing …
  • BOOK 4y book
  • INJ 16 inj
  • SIZE ~34 FTE

Nearest TCR peer: Noble Pride Roofing Company Inc. (0.0 TCR gap)

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

Cornerstone Roofing, Inc. in the TCR neighbourhood

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

TCR

What this shows Cornerstone Roofing, Inc. averages 14.2 TCR (507% of the Steep slope roofing installation BLS benchmark).

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

Cornerstone Roofing, Inc. TCR series: 2019=9.9 · 2020=10.4 · 2021=21.4 · 2022=15.1 · BLS 2.8

Where Cornerstone Roofing, Inc. falls in its industry

1,723 Steep slope roofing installati establishments

Safer than 6% of graded establishments in this industry, whose median TCR is 3.7.

More dangerous than peersSafer than peers

Narrower to Washington alone (the establishments it most directly competes with for workers and contracts): ranked #28 safest of 34 Steep slope roofing installati employers in Washington.

Cornerstone Roofing, Inc. (34 employees, TCR 14.2) among 29 same-industry peers, split at the industry median of 44 employees and a TCR of 3.7 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 050100150 0102030 Average employees Total Case Rate Cornerstone Roofing, Inc.
Cornerstone Roofing, Inc. (34 employees, TCR 14.2) among 29 same-industry peers, split at the industry median of 44 employees and a TCR of 3.7

Cornerstone Roofing, Inc. has fewer employees than the Steep slope roofing installation median and a higher injury rate than the industry's median TCR of 3.7. 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
2022 15.1 15.1 5 0 0
2021 21.4 17.8 6 0 0
2020 10.4 10.4 3 0 0
2019 9.9 6.6 2 1 0

OSHA ITA peer cross-reference

Establishment peer ledger

238160 · WA · Bothell

1,723 Steep slope roofing installation employers nationwide with a credible TCR · 10,147 rated employers in Washington with headcount on file · 101 employers in Bothell, WA · 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 Noble Pride Roofing Company Inc. 14.2 TCR
NAICS-TCR Office 14.2 TCR
NAICS-TCR B&M Roofing Inc. of Colorado 14.3 TCR
NAICS-TCR Finger Lakes Roofing Co., Inc. 14.3 TCR
STATE-SIZE M & G Farms Inc 34 FTE
STATE-SIZE Dobbe Farms, LLC 34 FTE
STATE-SIZE Benjert Farms Inc 34 FTE
STATE-SIZE Kettle Falls Logging - WP 34 FTE
CITY-NEAR Philips Healthcare 2,166 FTE
CITY-NEAR Philips 1,495 FTE
CITY-NEAR Philips North America LLC 1,290 FTE
CITY-NEAR Bristol Myers Squibb Cell Therapy Operations 610 FTE
NAT-TCR 5472-NAI-0034-0034-03742 14.2 TCR
NAT-TCR 6962-SWY-0029-0029-02818 14.2 TCR
NAT-TCR 6458-ZSIK 14.2 TCR
NAT-TCR Bed Bath and Beyond Auburn MA 14.2 TCR
NAT-SIZE 6299-MN005 34 FTE
NAT-SIZE Covington Terminal 34 FTE
NAT-SIZE Glaxo Smith Kline 34 FTE
NAT-SIZE Wound & Hyperbaric Center & Outpatient Rehab 34 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: 2022, 2021, 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.