Building cleaning services, janitorial · California

MBM-4 San Diego

San Diego, CA · ~499 workers · 8 years of OSHA Injury Tracking Application data.

B
Good Safety Record
2.8
Avg TCR
4.5
Industry avg
0
Fatalities
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The verdict

MBM-4 San Diego runs at 62% of its industry's injury rate - safer than the typical Building cleaning services, janitorial workplace, earning a grade B.

MBM-4 San Diego: 2.8 TCR = 62% of Building cleaning services, janitorial BLS 4.5 · 8y Form 300A (see methodology below)

MBM-4 San Diego safety composite

MBM-4 San Diego scores strongest on total case rate (tcr) (safer than 56% of same-industry peers) and weakest on dart rate (safer than 34%), 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).

D

47/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
C 2.8 per 100 workers

Safer than 56% of industry peers

DART rate
F 2.55 per 100 workers

Safer than 34% 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%).

Rising injury rate

MBM-4 San Diego: 1.9 → 2.5 TCR

Peak year 2018 @ 4.3 TCR · DART/TCR 0.91× in 2024

MBM-4 San Diego's TCR rose 0.6 from 1.9 in 2017 to 2.5 in 2024. Peak filing year was 2018 at 4.3 TCR. In 2024, DART was 0.91× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 561720 · San Diego, CA AT/BELOW-IND · MID

Grade B · TCR 2.8 · 62% of ind

  • DART 2.5 DART
  • RANK #91/368
  • PHOTO HES K12 at DeSoto TX…
  • BOOK 8y book
  • INJ 62 inj
  • SIZE ~499 FTE

Nearest TCR peer: HES K12 at DeSoto TX ISD (0.0 TCR gap)

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

MBM-4 San Diego in the TCR neighbourhood

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

TCR

What this shows MBM-4 San Diego averages 2.8 TCR (62% of the Building cleaning services, janitorial BLS benchmark).

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

MBM-4 San Diego TCR series: 2017=1.9 · 2018=4.3 · 2019=2.8 · 2020=1.4 · 2021=3 · 2022=3.1 · 2023=3.2 · 2024=2.5 · BLS 4.5

Where MBM-4 San Diego falls in its industry

4,064 Building cleaning services, ja establishments

Safer than 56% of graded establishments in this industry, whose median TCR is 3.2.

More dangerous than peersSafer than peers

Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #91 safest of 368 Building cleaning services, ja employers in California.

MBM-4 San Diego (499 employees, TCR 2.8) among 29 same-industry peers, split at the industry median of 56 employees and a TCR of 3.2 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 02004006008001,000 051015 Average employees Total Case Rate MBM-4 San Diego
MBM-4 San Diego (499 employees, TCR 2.8) among 29 same-industry peers, split at the industry median of 56 employees and a TCR of 3.2

MBM-4 San Diego has more employees than the Building cleaning services, janitorial median and a lower injury rate than the industry's median TCR of 3.2. 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 2.5 2.5 6 0 0
2023 3.2 3.2 8 0 0
2022 3.1 3.1 8 0 0
2021 3.0 3.0 8 0 0
2020 1.4 1.4 4 0 0
2019 2.8 2.8 9 0 0
2018 4.3 4.3 13 0 0
2017 1.9 1.9 6 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

561720 · CA · San Diego

4,064 Building cleaning services, janitorial employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 1,979 employers in San Diego, 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 HES K12 at DeSoto TX ISD 2.8 TCR
NAICS-TCR DMC Detroit Receiving Hospital 2.8 TCR
NAICS-TCR Navy Federal Credit Union - BBS 2.8 TCR
NAICS-TCR Woodland HS/Stadium 2.8 TCR
STATE-SIZE CSS Farms - Tasteful Selections 499 FTE
STATE-SIZE Public Works 499 FTE
STATE-SIZE Cherry Aerospace 499 FTE
STATE-SIZE Sylmar 499 FTE
CITY-NEAR UC San Diego Health 9,310 FTE
CITY-NEAR General Atomics 8,108 FTE
CITY-NEAR Health Human Services Agency 6,080 FTE
CITY-NEAR National University 4,955 FTE
NAT-TCR Reddy Ice - Salt Lake City (221) 2.8 TCR
NAT-TCR Carolina Multifamily Construction Inc 2.8 TCR
NAT-TCR Racine 2.8 TCR
NAT-TCR Austin Powder Mining LLC - Hibbing 2.8 TCR
NAT-SIZE CS Wholesale Grocers : Westfield, MA (FDC) 499 FTE
NAT-SIZE Tropical Shipping USA LLC 499 FTE
NAT-SIZE Kamco Industries, Inc. West Unity Plant 499 FTE
NAT-SIZE Southwire Company Building Wire Plant 499 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, 2022, 2021, 2020, 2019, 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.