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TF Cornerstone: OSHA inspections and violations

Washington, District of Columbia · Other Services to Buildings and Dwellings · NAICS 561790

1inspections
2citation items
$22,000current penalties
Jul 28, 2026last inspection

TF Cornerstone has one OSHA inspection on record in District of Columbia.

OSHA opened it on Jul 28, 2026 on a referral, in Washington.

From that inspection OSHA issued 2 citation items: 1 serious and 1 other-than-serious.

OSHA proposed $29,790 in penalties. After settlements and reviews the total is $22,000, down 26%.

For context, across all staffing, cleaning and waste services employers the median penalty per cited inspection since 2015 is $2,200. TF Cornerstone averages $22,000 over 1 cited inspection in that time.

TF Cornerstone: OSHA citation items per year, 2026 to 2026
Citation items per year, by inspection date.

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Inspection history

Inspection 349078246 OPENED JUL 28, 2026Closed

Referral · Complete · Safety · 200 employees at the site · Closed Oct 30, 2026

1101 15th Street Nw, Washington, DC 20005 · Other Services to Buildings and Dwellings · OSHA's record · Phone and website on Google Maps

Citation and ruleTypeProposedCurrentIssuedStatus
Citation 1, item 1
29 CFR 1910.28(b)(11)(ii) · Fall protection in general industry
 Serious$14,895$11,000Sep 17, 2026Final
Citation 1, item 2
29 CFR 1910.29(b)(3) · Fall protection systems in general industry
 Other-than-serious$14,895$11,000Sep 17, 2026Final

The rules behind these citations

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

29 CFR 1910.28 · Fall protection in general industry

29 CFR 1910.28(b)(11)(ii)

(ii) Each flight of stairs having at least 3 treads and at least 4 risers is equipped with stair rail systems and handrails as follows:

29 CFR 1910.29 · Fall protection systems in general industry

29 CFR 1910.29(b)(3)

(3) Guardrail systems are capable of withstanding, without failure, a force of at least 200 pounds (890 N) applied in a downward or outward direction within 2 inches (5 cm) of the top edge, at any point along the top rail.

Other other services to buildings and dwellings employers in District of Columbia

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.