Independent Verification Report
Third-party report by SiteVetter. Not affiliated with A T C Mechanical LLC. View official CSLB record
A T C Mechanical LLC
Updated: Feb 17, 2026
Safety Score
C - Fair1 risk factor detected
Risk Factors
+1 more verified in full report
Based on CSLB, SAM.gov, OSHA, DOL, EPA, and permit records
This sub has 1 risk factor. Track whether they get resolved.
SubWatch — We'll alert you if their workers' comp gets reinstated. Checked weekly against CSLB. Free for up to 5 subs.
Track this sub freeActive License - Additional Findings
A T C MECHANICAL LLC holds an active California contractor license, but our verification found additional items found that warrant review. Get the full report to see insurance status, bonding details, and federal compliance records.
License & Compliance
License Information
- Issue Date
- Aug 29, 2018
- License Expires
- Nov 30, 2026
- Classifications
- HVAC (C20)
Bond & Workers' Comp
Contractor Bond
BUSINESS ALLIANCE INSURANCE COMPANY
Workers' Compensation
UnknownNot on file with CSLB — verify directly
CSLB data as of Dec 09, 2025
Permit History
Works primarily in: San Francisco
Last update: 20 months ago
Verified Permits
Verified| Date | Type | City | Status |
|---|---|---|---|
| Jun 2024 | otc alterations permit | San Francisco | filed |
SAM.gov Exclusions
SAM.gov federal exclusion database checked for A T C MECHANICAL LLC. Verified as of February 2026.
Database checked
Federal debarment and exclusion records
DOL Wage Data
Department of Labor (DOL) wage and hour records reviewed for A T C MECHANICAL LLC. Verified as of February 2026.
Database checked
Fair Labor Standards Act violations
OSHA Safety
OSHA workplace safety records checked for A T C MECHANICAL LLC. Verified as of February 2026.
Database checked - no citations
Inspection history reviewed
EPA ECHO
EPA ECHO environmental compliance database checked for A T C MECHANICAL LLC. Verified as of February 2026.
Database checked
Environmental compliance records
Data sourced from federal databases. Full results available in the complete report.
Personnel
What's Included in the Full Report
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Data sourced from California Contractors State License Board (CSLB) and federal databases. Information is provided for reference only. Verify directly with CSLB for official status. Last updated: Feb 17, 2026. Learn how to verify a contractor
1 item flagged — details in report
WC issue
1 issue found — bad hire cost: $47K+
WCIRB, 2023
Review Before You Hire
Violation codes, dates, and resolution status
Your paper trail when it matters
Dated proof for insurers, attorneys, or project owners
~$240
2-4 hrs DIY
90 seconds
100% refund if data is inaccurate — no questions asked
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1 item flagged — details in report
WC issue
1 issue found — bad hire cost: $47K+
WCIRB, 2023
Review Before You Hire
Violation codes, dates, and resolution status
Your paper trail when it matters
Dated proof for insurers, attorneys, or project owners
~$240
2-4 hrs DIY
90 seconds
100% refund if data is inaccurate — no questions asked
Instant PDF • Powered by Stripe
Is this your business?
Verify your identity to display a Claimed badge