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Diablo Roofing: OSHA inspections and violations

Hayward, California · Roofing Contractors · NAICS 238160

15inspections
17citation items
$106,325current penalties
Sep 9, 2026last inspection

Since 2022, OSHA inspectors have visited Diablo Roofing in California 15 times.

The most recent inspection opened on Sep 9, 2026 after a complaint, in Sacramento and is still open.

In all, OSHA issued 17 citation items: 4 serious, 2 repeat and 11 other-than-serious.

The proposed penalties came to $107,890; today they stand at $106,325, 1% less.

Among construction employers, the typical cited inspection since 2015 ends with a $3,080 penalty. Diablo Roofing averages $15,189 across 7 cited inspections.

Diablo Roofing also files yearly injury logs with OSHA, summarized below.

Diablo Roofing: OSHA citation items per year, 2022 to 2026
Citation items per year, by inspection date.

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Inspection history

Inspection 349157057 OPENED SEP 9, 2026Open

Complaint · Partial · Safety · 10 employees at the site · Open

4350 Taylor Street, Sacramento, CA 95838 · Roofing Contractors · OSHA's record · Phone and website on Google Maps

No citations from this inspection so far.

Inspection 349164244 OPENED AUG 25, 2026Open

Complaint · Partial · Safety · 50 employees at the site · Open

900 Martin Luther King Jr Way Merced County Fair Grounds Pavillion Building, Merced, CA 95341 · Roofing Contractors · OSHA's record · Phone and website on Google Maps

No citations from this inspection so far.

Inspection 349051821 OPENED JUL 14, 2026Open

Planned · Partial · Health · 25 employees at the site · Open

734 Chestnut St, Mount Shasta, CA 96067 · Roofing Contractors · OSHA's record · Phone and website on Google Maps

Citation and ruleTypeProposedCurrentIssuedStatus
Citation 1, item 2
29 CFR 1731(C)(1)
Other-than-serious$875$875Jul 21, 2026Final
Citation 1, item 3
29 CFR 3276(E)(1)
Other-than-serious$2,625$2,000Jul 21, 2026Final
Citation 1, item 4
29 CFR 3276(E)(16)(C)
Other-than-serious$655$0Jul 21, 2026Final

Inspection 349028431 OPENED JUL 2, 2026Closed

Complaint · Partial · Safety · 100 employees at the site · Closed Sep 16, 2026

5000 Red Top Road, Fairfield, CA 94534 · Roofing Contractors · OSHA's record · Phone and website on Google Maps

No citations from this inspection.

Inspection 348561341 OPENED OCT 20, 2025Closed

Complaint · Partial · Safety · 5 employees at the site · Closed Mar 25, 2026

170 El Camino Real, South San Francisco, CA 94080 · Roofing Contractors · OSHA's record · Phone and website on Google Maps

No citations from this inspection.

Inspection 348540071 OPENED OCT 3, 2025Closed

Complaint · Partial · Safety · 35 employees at the site · Closed Dec 12, 2025

2750 Sparks, Hayward, CA 94541 · Roofing Contractors · OSHA's record · Phone and website on Google Maps

No citations from this inspection.

Inspection 348437245 OPENED AUG 13, 2025Closed

Complaint · Partial · Safety · 2 employees at the site · Closed Feb 9, 2026

2304 G St., Antioch, CA 94509 · Roofing Contractors · OSHA's record · Phone and website on Google Maps

No citations from this inspection.

Inspection 348428335 OPENED AUG 8, 2025Closed

Complaint · Partial · Safety · 8 employees at the site · Closed Feb 4, 2026

181 Viking Dr., Pleasant Hill, CA 94523 · Roofing Contractors · OSHA's record · Phone and website on Google Maps

No citations from this inspection.

7 older inspections

Inspection 348428210 OPENED AUG 7, 2025Open

Complaint · Partial · Safety · 150 employees at the site · Open

3590 Grand Lake Dr., Fremont, CA 94555 · Roofing Contractors · OSHA's record · Phone and website on Google Maps

Citation and ruleTypeProposedCurrentIssuedStatus
Citation 1, item 1
29 CFR 1509(A)
Other-than-serious$1,000$1,000Jan 30, 2026Contested
Citation 2, item 1
29 CFR 1675(B)
Serious$9,000$9,000Jan 30, 2026Contested
Citation 3, item 1
29 CFR 1675(B)
Serious$9,000$9,000Jan 30, 2026Contested
Citation 4, item 1
29 CFR 1731(C)(1)
Serious$9,000$9,000Jan 30, 2026Contested
Citation 5, item 1
29 CFR 1670(A)
Repeat$36,000$36,000Jan 30, 2026Contested

Inspection 348349754 OPENED JUN 30, 2025Open

Complaint · Partial · Safety · 45 employees at the site · Open

2629 Harrison Street, Oakland, CA 94612 · Roofing Contractors · OSHA's record · Phone and website on Google Maps

Citation and ruleTypeProposedCurrentIssuedStatus
Citation 1, item 1
29 CFR 1670(B)(10)
Other-than-serious$825$825Dec 19, 2025Contested
Citation 1, item 2
29 CFR 3203(A)(7)
Other-than-serious$685$685Dec 19, 2025Contested
Citation 2, item 1
29 CFR 1730(C)
Serious$6,185$6,185Dec 19, 2025Contested

Inspection 348299967 OPENED JUN 10, 2025Open

Complaint · Partial · Safety · 45 employees at the site · Open

8477 Enterprise Way, Oakland, CA 94621 · Roofing Contractors · OSHA's record · Phone and website on Google Maps

Citation and ruleTypeProposedCurrentIssuedStatus
Citation 1, item 1
29 CFR 3203(A)(7)
Other-than-serious$685$685Dec 5, 2025Contested
Citation 2, item 1
29 CFR 1670(A)
Repeat$28,800$28,800Dec 5, 2025Contested

Inspection 348269010 OPENED MAY 16, 2025Closed

Referral · Partial · Safety · 3 employees at the site · Closed Aug 11, 2025

648 W. East Ave. Building 7, Chico, CA 95926 · Roofing Contractors · OSHA's record · Phone and website on Google Maps

Citation and ruleTypeProposedCurrentIssuedStatus
Citation 1, item 1
29 CFR 1670(A)
Other-than-serious$810$810Jul 26, 2025Final
Citation 1, item 2
29 CFR 3276(E)(11)
Other-than-serious$650$650Jul 26, 2025Final

Inspection 347695884 OPENED AUG 16, 2024Closed

Referral · Partial · Safety · 25 employees at the site · Closed Nov 6, 2024

648 East Ave, Chico, CA 95926 · Roofing Contractors · OSHA's record · Phone and website on Google Maps

No citations from this inspection.

Inspection 346904287 OPENED AUG 11, 2023Closed

Accident · Partial · Health · 6 employees at the site · Closed Feb 12, 2024

26231 Mission Blvd, Hayward, CA 94544 · Roofing Contractors · OSHA's record · Phone and website on Google Maps

Citation and ruleTypeProposedCurrentIssuedStatus
Citation 1, item 1
29 CFR 5194(E)(1)
Other-than-serious$685$400Jan 12, 2024Final

Inspection 346194012 OPENED AUG 29, 2022Closed

Complaint · Partial · Health · 28 employees at the site · Closed Mar 23, 2023

14490 Catalina Street, San Leandro, CA 94577 · Roofing Contractors · OSHA's record · Phone and website on Google Maps

Citation and ruleTypeProposedCurrentIssuedStatus
Citation 1, item 1
29 CFR 3395(I)
Other-than-serious$410$410Jan 23, 2023Final

Injury and illness logs

From the Form 300A summaries employers file with OSHA each year. Rate = recordable cases per 100 full-time workers.

In 2025, the Oakland site logged 4 recordable injuries or illnesses among about 140 workers: 4.8 per 100 full-time workers, against a median of 2.8 for its industry. Those cases cost 73 days away from work.

Site and yearWorkersCasesDays-away casesRateIndustry median
Office
Oakland · 2025
140 444.82.8

The rules behind these citations

Current text from the Code of Federal Regulations. Some citations were issued under older wording.

Other roofing contractors employers in California

Source: U.S. Department of Labor, OSHA enforcement data. A citation is OSHA's allegation; employers can contest it, and the status column shows where each item stands. Something wrong on this page? Tell us.