Commercial building construction general contractors · Washington

Corstone Contractors LLC

Name: Corstone Contractors LLC Workplace Safety Data
Creator: PlainSafetyScore
License: https://creativecommons.org/publicdomain/zero/1.0/

Snohomish, WA · ~51 workers · 2 years of OSHA Injury Tracking Application data.

Compiled by PlainSafetyScore · August 25, 2026

A
Excellent Safety Record: 1.3
Avg TCR: 2.9
Industry avg: 0
Fatalities

Subscribe to safety-record updates (RSS)

The verdict

Corstone Contractors LLC runs at 46% of its industry's injury rate - far safer than the typical Commercial building construction general contractors workplace, earning a grade A.

Corstone Contractors LLC: 1.3 TCR = 46% of Commercial building construction general contractors BLS 2.9 · 2y Form 300A (see methodology below)

Corstone Contractors LLC safety composite

Corstone Contractors LLC scores strongest on dart rate (safer than 73% of same-industry peers) and weakest on fatalities (safer than 51%), 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).

66/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR): C 1.32 per 100 workers

Safer than 70% of industry peers
DART rate: C 0 per 100 workers

Safer than 73% 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

Corstone Contractors LLC: 0.0 → 2.6 TCR

Peak year 2020 @ 2.6 TCR · DART/TCR 0× in 2020

Corstone Contractors LLC's TCR rose 2.6 from 0.0 in 2019 to 2.6 in 2020. In 2020, DART was 0× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 236220 · Snohomish, WA AT/BELOW-IND · SMALL

Grade A · TCR 1.3 · 46% of ind

DART 0.0 DART
RANK #23/127
PHOTO Seufert Construction…
BOOK 2y book
INJ 1 inj
SIZE ~51 FTE

Nearest TCR peer: Seufert Construction and Supply (0.0 TCR gap)

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

This site

1.3
Seufert Constr

1.3
Broadmoor, L.L

1.3
Samet Corporat

1.3
Rhetson Compan

1.3

What this shows Corstone Contractors LLC averages 1.3 TCR (46% of the Commercial building construction general contractors BLS benchmark).

Corstone Contractors LLC TCR series: 2019=0 · 2020=2.6 · BLS 2.9

Where Corstone Contractors LLC falls in its industry

4,692 Commercial building constructi establishments

Safer than 70% of graded establishments in this industry, whose median TCR is 2.3.

Grade A

More dangerous than peersSafer than peers

Narrower to Washington alone (the establishments it most directly competes with for workers and contracts): ranked #23 safest of 127 Commercial building constructi employers in Washington.

Corstone Contractors LLC (51 employees, TCR 1.3) among 29 same-industry peers, split at the industry median of 55 employees and a TCR of 2.3

Corstone Contractors LLC has fewer employees than the Commercial building construction general median and a lower injury rate than the industry's median TCR of 2.3. 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
2020	2.6	0.0	1	0	0
2019	0.0	0.0	0	0	0

OSHA ITA peer cross-reference

Establishment peer ledger

236220 · WA · Snohomish

4,692 Commercial building construction general contractors employers nationwide with a credible TCR · 10,147 rated employers in Washington with headcount on file · 57 employers in Snohomish, WA · 4 cross-state NAT-TCR peers · 4 cross-state NAT-SIZE peers. Closest matches by relationship code are listed below.

Rel	Establishment	Place	Metric
NAICS-TCR	Seufert Construction and Supply	FERDINAND, IN	1.3 TCR
NAICS-TCR	Broadmoor, L.L.C.	METAIRIE, LA	1.3 TCR
NAICS-TCR	Samet Corporation - Charlotte	CHARLOTTE, NC	1.3 TCR
NAICS-TCR	Rhetson Companies, Inc.	WEST END, NC	1.3 TCR
STATE-SIZE	King Columbia Inc	RICHLAND	51 FTE
STATE-SIZE	00601 MERWIN HYDRO PLNT	ARIEL	51 FTE
STATE-SIZE	Creative Design Builders Inc	PUYALLUP	51 FTE
STATE-SIZE	Washington Patriot Construction, LLC	GIG HARBOR	51 FTE
CITY-NEAR	701-00681	Snohomish	294 FTE
CITY-NEAR	Haggard Electrical Contractors	Snohomish	187 FTE
CITY-NEAR	Snyder Roofing of Washington, LLC	Snohomish	163 FTE
CITY-NEAR	Expert Drywall, Inc.	Snohomish	144 FTE
NAT-TCR	Brookdale Tulsa Midtown	Tulsa, OK	1.3 TCR
NAT-TCR	Supreme Production Services Inc.	Corpus Christi, TX	1.3 TCR
NAT-TCR	Volunteer Behavioral Health Care Services-Rhea Dayton	Dayton, TN	1.3 TCR
NAT-TCR	QPSI	Burlington, NJ	1.3 TCR
NAT-SIZE	Rouse East Including Lamar and Nevada	Pittsburg, KS	51 FTE
NAT-SIZE	Wisconsin Cheese Group - Monticello Manufucturing & Packaging Facility	Monticello, WI	51 FTE
NAT-SIZE	Darigold Jerome	Jerome, ID	51 FTE
NAT-SIZE	Comfort Systems USA Indiana	Indianapolis, IN	51 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: 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.