This employer's most recent OSHA inspection was in 2004. This data may not reflect current safety conditions.

Irwin & Leighton Safety Record

Wilmington, DE · Construction

F

Historical grade based on past OSHA records. This employer has not been inspected in over 10 years.

Last inspected 09/27/2004

Based on public OSHA records. How is this calculated? · Data updated March 2026

According to OSHA enforcement records, Irwin & Leighton in Wilmington, Delaware has 20 workplace safety violations across 4 inspections, with 10 classified as serious and $2,165 in total penalties. Safety grade: F (significantly elevated violations). OSHA records span 1972 to 2004.

Irwin & Leighton, located in Wilmington, Delaware, was last inspected by OSHA in 2004. While this employer's safety record is based on historical data that may not reflect current workplace conditions, the OSHA enforcement history remains part of the public record. Of the 20 violations on file, 10 were classified as serious — meaning OSHA determined they could cause death or serious physical harm to workers. Total penalties assessed were $2,165.

OSHA's enforcement records are maintained by the U.S. Department of Labor and cover workplace inspections dating back to the 1970s. An employer's safety grade is calculated using a weighted formula that accounts for the severity of violations — willful violations carry the highest weight (5x), followed by repeat (4x), serious (3x), and other (1x) violations per inspection. Learn more about how safety grades are calculated.

20 Violations
4 Inspections
10 Serious
$2,165 Penalties
Serious?
10 ($2,165)
Other-than-Serious?
10 ($0)
1926.0451 Scaffolding
Cited in 2 inspections (6 total) since 1977
1926.0500 OSHA Standard
Cited in 2 inspections (5 total) since 1977
1926.0025 OSHA Standard
Cited in 2 inspections (2 total) since 1977
OSHA initially proposed $5,390 in penalties for Irwin & Leighton, later reduced to $2,165 — a 60% reduction through informal settlement or contest. Learn how OSHA penalties work.
1926.0451 Scaffolding
6 citations $995
1926.0500 OSHA Standard
5 citations $760
1926.0025 OSHA Standard
2 citations
1926.0450 OSHA Standard
1 citation
1926.0402 OSHA Standard
1 citation
DateTypeLocationViolationsPenalties
09/27/2004 Planned? Wilmington, DE 0 $0
04/11/1978 Complaint? Wilmington, DE 12 $2,005
11/10/1977 Complaint? Wilmington, DE 8 $160
10/25/1972 Planned? Wilmington, DE 0 $0

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