Condominium, single-family, construction general contractors · Iowa

Koester Construction Company Incorporated

Name: Koester Construction Company Incorporated Workplace Safety Data
Creator: PlainSafetyScore
License: https://creativecommons.org/publicdomain/zero/1.0/

Grimes, IA · ~43 workers · 3 years of OSHA Injury Tracking Application data.

Compiled by PlainSafetyScore · August 25, 2026

A
Excellent Safety Record: 0.7
Avg TCR: 3.8
Industry avg: 0
Fatalities

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The verdict

Koester Construction Company Incorporated runs at 19% of its industry's injury rate - far safer than the typical Condominium, single-family, construction general contractors workplace, earning a grade A.

Koester Construction Company Incorporated: 0.7 TCR = 19% of Condominium, single-family, construction general contractors BLS 3.8 · 3y Form 300A (see methodology below)

Koester Construction Company Incorporated safety composite

Koester Construction Company Incorporated scores strongest on total case rate (tcr) (safer than 90% of same-industry peers) and weakest on fatalities (safer than 50%), 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).

75/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR): A 0.74 per 100 workers

Safer than 90% of industry peers
DART rate: B 0 per 100 workers

Safer than 77% 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%).

Koester Construction Company Incorporated held a steady TCR band

Koester Construction Company Incorporated's TCR held near 0.0 from 0.0 in 2017 to 0.0 in 2023. Peak filing year was 2018 at 2.2 TCR. In 2023, DART was 0× this establishment's average TCR (severity share of cases).

2017=0.0 · 2018=2.2 · 2023=0.0

OSHA ITA Form 300A scorecard

Establishment book 236115 · Grimes, IA AT/BELOW-IND · SMALL

Grade A · TCR 0.7 · 19% of ind

DART 0.0 DART
RANK #1/7
PHOTO DPR Construction - C…
BOOK 3y book
INJ 1 inj
SIZE ~43 FTE

Nearest TCR peer: DPR Construction - Charlotte (0.0 TCR gap)

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This site

0.7
DPR Constructi

0.7
Meritage Homes

0.7
Pahlisch Homes

0.7
Cargill - Blai

0.7

What this shows Koester Construction Company Incorporated averages 0.7 TCR (19% of the Condominium, single-family, construction general contractors BLS benchmark).

Koester Construction Company Incorporated TCR series: 2017=0 · 2018=2.2 · 2023=0 · BLS 3.8

Where Koester Construction Company Incorporated falls in its industry

976 Condominium, single-family, co establishments

Safer than 90% of graded establishments in this industry, whose median TCR is 3.5.

Grade A

More dangerous than peersSafer than peers

Narrower to Iowa alone (the establishments it most directly competes with for workers and contracts): ranked #1 safest of 7 Condominium, single-family, co employers in Iowa.

Koester Construction Company Incorporated (43 employees, TCR 0.7) among 29 same-industry peers, split at the industry median of 48 employees and a TCR of 3.5

Koester Construction Company Incorporated has fewer employees than the Condominium, single-family, construction median and a lower injury rate than the industry's median TCR of 3.5. 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
2023	0.0	0.0	0
2018	2.2	2.2	1
2017	0.0	0.0	0

OSHA ITA peer cross-reference

Establishment peer ledger

236115 · IA · Grimes

976 Condominium, single-family, construction general contractors employers nationwide with a credible TCR · 7,192 rated employers in Iowa with headcount on file · 65 employers in Grimes, IA · 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	DPR Construction - Charlotte	CHARLOTTE, NC	0.7 TCR
NAICS-TCR	Meritage Homes of Texas - Houston Division	SCOTTSDALE, AZ	0.7 TCR
NAICS-TCR	Pahlisch Homes Inc.	BEND, OR	0.7 TCR
NAICS-TCR	Cargill - Blair	BLAIR, NE	0.7 TCR
STATE-SIZE	Centrum Valley Farms North	CLARION	43 FTE
STATE-SIZE	Burlington	BURLINGTON	43 FTE
STATE-SIZE	Commercial Contracting Services	KEOKUK	43 FTE
STATE-SIZE	KS Energy Services Dubuque IA	DUBUQUE	43 FTE
CITY-NEAR	National Carwash Solutions	Grimes	698 FTE
CITY-NEAR	Des Moines Office	Grimes	421 FTE
CITY-NEAR	Grimes - Main Store	Grimes	359 FTE
CITY-NEAR	WM 5748	Grimes	315 FTE
NAT-TCR	McCownGordon Construction	Kansas City, MO	0.7 TCR
NAT-TCR	Valero Riga Plant	Riga, MI	0.7 TCR
NAT-TCR	Cubic Corporation	San Diego, CA	0.7 TCR
NAT-TCR	Tri State Supply (PC8688)	Washington, PA	0.7 TCR
NAT-SIZE	Divine House Inc. - Moorhead	Moorhead, MN	43 FTE
NAT-SIZE	Bryant Racing Inc	Anaheim, CA	43 FTE
NAT-SIZE	Antigo Neon, LLC	Antigo, WI	43 FTE
NAT-SIZE	Maclan Corporation	Lakeland, FL	43 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, 2018, 2017. 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.