Independent Verification Report
Third-party report by SiteVetter. Not affiliated with Diversified Thermal Services LLC. View official CSLB record
Diversified Thermal Services LLC
Updated: Feb 17, 2026
Safety Score
B - GoodAbove average
Risk Factors
+2 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 federal record status changes. Checked weekly against SAM.gov and DOL. Free for up to 5 subs.
Track this sub freeActive License - Additional Findings
DIVERSIFIED THERMAL SERVICES LLC holds an active California contractor license, but our verification found 1 federal database record found that warrants review. Get the full report to see insurance status, bonding details, and federal compliance records.
License & Compliance
License Information
- Issue Date
- Jan 19, 1991
- License Expires
- Feb 28, 2027
- Classifications
- General Building (B)Electrical (C10)HVAC (C20)Refrigeration (C38)
Bond & Workers' Comp
Contractor Bond
HARCO NATIONAL INSURANCE COMPANY
Workers' Compensation
CurrentValid until Apr 01, 2026
CSLB data as of Mar 26, 2025
Permit History
Works primarily in: Los Angeles
Permit valuations are contractor estimates
Includes historical data (some cities may be outdated)
Verified Permits
VerifiedLA permit data ends May 2023. Recent permits not shown. LA's open data portal has not published newer records.
| Date | Type | City |
|---|---|---|
| Mar 2023 | Commercial | Los Angeles |
| Mar 2023 | Commercial | Los Angeles |
| Feb 2023 | Commercial | Los Angeles |
| Feb 2023 | Commercial | Los Angeles |
SAM.gov Exclusions
SAM.gov federal exclusion database checked for DIVERSIFIED THERMAL SERVICES 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 DIVERSIFIED THERMAL SERVICES LLC. Verified as of February 2026.
Database checked
Fair Labor Standards Act violations
OSHA Safety
OSHA workplace safety records checked for DIVERSIFIED THERMAL SERVICES LLC. Verified as of February 2026.
Database checked - no citations
Inspection history reviewed
EPA ECHO
EPA environmental compliance records for DIVERSIFIED THERMAL SERVICES LLC: 1 record(s) found. Verified as of February 2026.
1 item found
Environmental compliance records
Data sourced from federal databases. Full results available in the complete report.
Personnel
What's Included in the Full Report
Similar Contractors
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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
1 federal record
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
1 item flagged — details in report
1 federal record
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