Modular housing, residential, assembled on site by for-sale builders · California

Design Space Modular Buildings

Mission Viejo, Ca, CA · ~104 workers · 2 years of OSHA Injury Tracking Application data.

B
Good Safety Record
2.6
Avg TCR
3.8
Industry avg
0
Fatalities
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The verdict

Design Space Modular Buildings runs at 68% of its industry's injury rate - safer than the typical Modular housing, residential, assembled on site by for-sale builders workplace, earning a grade B.

Design Space Modular Buildings: 2.6 TCR = 68% of Modular housing, residential, assembled on site by for-sale builders BLS 3.8 · 2y Form 300A (see methodology below)

Design Space Modular Buildings safety composite

Design Space Modular Buildings scores strongest on fatalities (safer than 50% of same-industry peers) and weakest on dart rate (safer than 15%), 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 2.6 per 100 workers

Safer than 28% of industry peers

DART rate
F 2.6 per 100 workers

Safer than 15% 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

Design Space Modular Buildings: 0.0 → 5.2 TCR

Peak year 2018 @ 5.2 TCR · DART/TCR 1× in 2018

Design Space Modular Buildings's TCR rose 5.2 from 0.0 in 2017 to 5.2 in 2018. In 2018, DART was 1× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 236117 · Mission Viejo, Ca, CA AT/BELOW-IND · MID

Grade B · TCR 2.6 · 68% of ind

  • DART 2.6 DART
  • RANK #32/43
  • PHOTO KB Home - Inland Emp…
  • BOOK 2y book
  • INJ 6 inj
  • SIZE ~104 FTE

Nearest TCR peer: KB Home - Inland Empire Division Office (0.0 TCR gap)

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

Design Space Modular Buildings in the TCR neighbourhood

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

TCR

What this shows Design Space Modular Buildings averages 2.6 TCR (68% of the Modular housing, residential, assembled on site by for-sale builders BLS benchmark).

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

Design Space Modular Buildings TCR series: 2017=0 · 2018=5.2 · BLS 3.8

Where Design Space Modular Buildings falls in its industry

341 Modular housing, residential, establishments

Safer than 28% of graded establishments in this industry, whose median TCR is 1.7.

More dangerous than peersSafer than peers

Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #32 safest of 43 Modular housing, residential, employers in California.

Design Space Modular Buildings (104 employees, TCR 2.6) among 29 same-industry peers, split at the industry median of 79 employees and a TCR of 1.7 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 02004006008001,000 051015 Average employees Total Case Rate Design Space Modular Buildings
Design Space Modular Buildings (104 employees, TCR 2.6) among 29 same-industry peers, split at the industry median of 79 employees and a TCR of 1.7

Design Space Modular Buildings has more employees than the Modular housing, residential, assembled median and a higher injury rate than the industry's median TCR of 1.7. 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
2018 5.2 2.6 6 0 0
2017 0.0 0.0 0 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

236117 · CA · Mission Viejo, Ca

341 Modular housing, residential, assembled on site by for-sale builders employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 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 KB Home - Inland Empire Division Office 2.6 TCR
NAICS-TCR Lennar Arizona (Tempe) 2.6 TCR
NAICS-TCR 700-DREES-AUSTIN 2.6 TCR
NAICS-TCR ASHEVILLE NC 2.6 TCR
STATE-SIZE farm management inc 104 FTE
STATE-SIZE Kendall Farms LP 104 FTE
STATE-SIZE Maple Dairy L.P 104 FTE
STATE-SIZE Veg-Land, Inc. 104 FTE
NAT-TCR Cvg Us Hub 2.6 TCR
NAT-TCR Ridgeview Terrace 2.6 TCR
NAT-TCR Dogfish Head Craft Brewery 2.6 TCR
NAT-TCR C C Carlton Industries 2.6 TCR
NAT-SIZE Cornerstone Nursing & Rehabilitation 104 FTE
NAT-SIZE Store 10395 104 FTE
NAT-SIZE Store 11746 104 FTE
NAT-SIZE Main 104 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: 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.