Safety Incidents OSHA Severe Injury Reports · 2015–2025
5,189,645Inspections Most recent open 2026-07-16 Last loaded 2026-07-20

OSHA Inspection: MASTRANGELO & SONS ROOFING, LLC

Referral inspection · Safety discipline

On , OSHA opened a referral safety inspection of MASTRANGELO & SONS ROOFING, LLC in 58 LAKEVIEW AVE, CAMBRIDGE, MA 02138 (NAICS 238160). OSHA activity number 345382006.

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Site address
58 LAKEVIEW AVE
City
CAMBRIDGE
State
MA
ZIP
02138
Mailing
30 HOWELLS ROAD, BELMONT, MA 02478
Inspection type
Referral (C)
Scope
Partial (B)
Discipline
Safety
Advance notice
No
Union status
B
Opened
Closing conference
Case closed
Last modified
Data loaded
NAICS code
238160
Employees
2
Ownership type
A

6 citations on file for this inspection.

1926.451 F07

Serious Gravity 10 2 instances 4 exposed
Issued
Penalty
Initial $4096.00 · Current $4096.00
29 CFR  1926.451(f)(7):Scaffolds were not erected, moved, dismantled, or altered, by trained and experienced employees under the supervision and direction of a competent person qualified in scaffold erection, moving, dismantling or alteration; Such activities were not performed only by experienced and trained employees selected for such work by the competent person.  Location 58 Lakeview Drive, Cambridge, MA  A) On our about June 25, 2021, tubular scaffolds were not erected by trained and experienced employees under the supervision of a competent person qualified in scaffold erection.   B) On our about June 25, 2021, ladderjack scaffolds were not erected by trained and experienced employees under the supervision of a competent person qualified in scaffold erection.
Recent events (1)
  • — Z (S) $4096

1926.451 B01 I

Serious Gravity 5 1 instance 1 exposed
Issued
Penalty
Initial $0.00 · Current $0.00
29 CFR  1926.451(b)(1)(i): Each platform unit (e.g., scaffold plank, fabricated plank, fabricated deck, or fabricated platform) was not installed so that the space between adjacent units and the space between the platform and the uprights were no more than 1 inch (2.5 cm) wide, except where the employer can demonstrate that a wider space is necessary.  Location 58 Lakeview Ave, Cambridge, MA  On or about June 25, 2021, the tubular scaffold planks were not installed so that the space between the planks was no more than 1 inch wide.
Recent events (1)
  • — Z (S) $0

1926.451 E08

Serious Gravity 10 1 instance 2 exposed
Issued
Penalty
Initial $0.00 · Current $0.00
29 CFR  1926.451(e)(8): Direct access to or from another surface was used when the scaffold was more than 14 inches (36 cm) horizontally and/or 24 inches (61 cm) vertically from the other surface:  Location: 58 Lakeview Ave, Cambridge MA  On or about June 25, 2021, direct access to the upper roof surface from the ladderjack scaffold platform was more than 24 vertical inches .
Recent events (1)
  • — Z (S) $0

1926.452 K01

Serious Gravity 5 1 instance 2 exposed
Issued
Penalty
Initial $0.00 · Current $0.00
29 CFR  1926.452(k)(1):Platforms exceeded a height of 20 feet (6.1 m) Location: 58 Lakeview Ave Cambridge, MA  On or about June 25, 2021, a ladderjack platform measured approximately 22 feet high.
Recent events (1)
  • — Z (S) $0

1926.451 G01

Serious Gravity 5 1 instance 1 exposed
Issued
Penalty
Initial $2926.00 · Current $2926.00
29 CFR  1926.451(g)(1):Employees on scaffolds more than 10 feet (3.1 m) above a lower level were not protected from falling to that lower level by fall protection established in paragraphs (g)(1)(i)-(vii) of this section:  Location: 58 Lakeview Ave, Cambridge, MA  On or about June 25, 2021, employees working on tubular scaffold approximately 22 feet above the lower surface were not protected from falling to the lower level by fall protection.
Recent events (1)
  • — Z (S) $2926

1926.501 B13

Serious Gravity 10 1 instance 1 exposed
Issued
Penalty
Initial $4096.00 · Current $4096.00
29 CFR  1926.501(b)(13):Each employee(s) engaged in residential construction activities 6 feet (1.8 m) or more above lower levels were not protected by guardrail systems, safety net system, or personal fall arrest system, nor were employee(s) provided with an alternative fall protection measure under another provision of paragraph 1926.501 (b).  Location: 58 Lakeview, Cambridge, MA  On or about June 25, 2021 an employee engaged in residential construction activities such as walking/working on  a roof surface 6 feet or more above the lower level was not protected from falling by guardrail systems, safety net system, or personal fall arrest system.
Recent events (1)
  • — Z (S) $4096

This record is reproduced from the U.S. Department of Labor Open Data API (OSHA inspection dataset). The original IMIS detail view is available at OSHA's Establishment Search for activity number 345382006.