National Tank Lines — compliance record
The full vetting file: federal registrations, authority history, insurance, inspections, record changes, and recent coverage — the checks a broker or shipper runs, in one place.
Vetting summary
Inspections
85 on file
Out-of-service
Within normal range vs national averages
Email identity
Company domain, matches website
Federal identity
Registration snapshot
Legal name
Pious Carriers Llc
DBA
National Tank Lines
Entity type
Carrier
Physical address
4323 Clayton Rd, Concord, CA 94521-2843
Phone
(510) 361-9396
Power units
15
Drivers
17
First on record
—
Last MCS-150 filing
—
Hazmat flag
No
Operating authority
Dockets & filings
No L&I dockets on file for this DOT number.
Out-of-service rates
Driver OOS
2.4%
National average ≈ 5.9% · 85 inspections on record
Vehicle OOS
20.0%
National average ≈ 20.9% · 85 inspections on record
Email & web forensics
On-file email
contact@nationaltanklines.com — company domain
Mail host
Google Workspace
Domain match
Email domain matches the company website
From the FMCSA on-file contact, public domain registration (RDAP), and live DNS.
Crash record — last 24 months
2
Reportable crashes
1
Tow-aways
1
With injuries
0
With fatalities
Most recent: CA 12/2025 · CA 08/2025 · CA 03/2024 — from the federal crash file; recordable crashes regardless of fault.
Safety record
Inspection history
| Date | State | Level |
|---|---|---|
| Jul 30, 2026 | CA | Level I — Full |
| Jul 7, 2026 | CA | Level II — Walk-around |
| Jul 5, 2026 | CA | Level II — Walk-around |
| Jul 5, 2026 | CA | Level II — Walk-around |
| Jun 8, 2026 | CA | Level I — Full |
| May 24, 2026 | CA | Level II — Walk-around |
| May 22, 2026 | CA | Level I — Full |
| May 4, 2026 | CA | Level II — Walk-around |
| May 4, 2026 | CA | Level II — Walk-around |
| May 3, 2026 | CA | Level II — Walk-around |
| May 3, 2026 | CA | Level II — Walk-around |
| Mar 31, 2026 | CA | Level II — Walk-around |
| Feb 28, 2026 | CA | Level II — Walk-around |
| Feb 23, 2026 | CA | Level I — Full |
| Jan 10, 2026 | CA | Level II — Walk-around |
| Dec 19, 2025 | CA | Level I — Full |
| Dec 2, 2025 | CA | Level I — Full |
| Nov 7, 2025 | CA | Level I — Full |
| Oct 29, 2025 | CA | Level I — Full |
| Sep 17, 2025 | CA | Level II — Walk-around |
| Sep 17, 2025 | CA | Level V — Vehicle-only |
| Sep 16, 2025 | CA | Level I — Full |
| Sep 5, 2025 | CA | Level I — Full |
| Aug 7, 2025 | CA | Level II — Walk-around |
| Jul 30, 2025 | CA | Level II — Walk-around |
| May 1, 2025 | CA | Level I — Full |
| Apr 16, 2025 | CA | Level II — Walk-around |
| Apr 15, 2025 | CA | Level II — Walk-around |
| Apr 2, 2025 | CA | Level I — Full |
| Mar 25, 2025 | CA | Level I — Full |
| Mar 11, 2025 | CA | Level I — Full |
| Jan 18, 2025 | CA | Level I — Full |
| Jan 17, 2025 | CA | Level II — Walk-around |
| Dec 30, 2024 | CA | Level II — Walk-around |
| Dec 30, 2024 | CA | Level V — Vehicle-only |
| Dec 23, 2024 | CA | Level I — Full |
| Dec 11, 2024 | CA | Level I — Full |
| Dec 11, 2024 | CA | Level II — Walk-around |
| Dec 7, 2024 | CA | Level I — Full |
| Nov 19, 2024 | CA | Level I — Full |
| Nov 19, 2024 | CA | Level I — Full |
| Oct 27, 2024 | CA | Level II — Walk-around |
| Oct 23, 2024 | CA | Level I — Full |
| Aug 14, 2024 | CA | Level V — Vehicle-only |
| Aug 14, 2024 | CA | Level V — Vehicle-only |
| Aug 14, 2024 | CA | Level V — Vehicle-only |
| Aug 8, 2024 | CA | Level II — Walk-around |
| Aug 6, 2024 | CA | Level III — Driver-only |
| Aug 6, 2024 | CA | Level II — Walk-around |
| Jul 21, 2024 | CA | Level II — Walk-around |
| Jun 29, 2024 | CA | Level II — Walk-around |
| Jun 20, 2024 | CA | Level I — Full |
| Jun 19, 2024 | CA | Level III — Driver-only |
| Jun 11, 2024 | CA | Level II — Walk-around |
| May 30, 2024 | CA | Level II — Walk-around |
| May 24, 2024 | CA | Level II — Walk-around |
| May 24, 2024 | CA | Level II — Walk-around |
| May 24, 2024 | CA | Level II — Walk-around |
| May 23, 2024 | CA | Level III — Driver-only |
| May 23, 2024 | CA | Level V — Vehicle-only |
| May 11, 2024 | CA | Level I — Full |
| Apr 17, 2024 | CA | Level I — Full |
| Apr 16, 2024 | CA | Level I — Full |
| Apr 15, 2024 | CA | Level I — Full |
| Mar 22, 2024 | CA | Level I — Full |
| Mar 21, 2024 | CA | Level I — Full |
| Mar 12, 2024 | CA | Level I — Full |
| Feb 23, 2024 | CA | Level I — Full |
| Feb 23, 2024 | CA | Level I — Full |
| Feb 8, 2024 | CA | Level I — Full |
| Feb 8, 2024 | CA | Level II — Walk-around |
| Feb 5, 2024 | CA | Level I — Full |
| Feb 1, 2024 | CA | Level II — Walk-around |
| Jan 6, 2024 | CA | Level II — Walk-around |
| Dec 28, 2023 | CA | Level II — Walk-around |
| Dec 22, 2023 | CA | Level V — Vehicle-only |
| Dec 22, 2023 | CA | Level III — Driver-only |
| Dec 12, 2023 | CA | Level I — Full |
| Dec 9, 2023 | CA | Level II — Walk-around |
| Nov 13, 2023 | CA | Level I — Full |
| Nov 12, 2023 | CA | Level II — Walk-around |
| Aug 26, 2023 | CA | Level II — Walk-around |
| Aug 12, 2023 | CA | Level II — Walk-around |
| Aug 8, 2023 | CA | Level I — Full |
| Aug 8, 2023 | CA | Level I — Full |
Most recent 85 of 85 inspections on file.
Activity log
Record changes
TenFourHQ re-syncs the federal record daily and logs every field that changes — address moves, fleet-size jumps, authority flips. Sudden changes are a classic fraud tell.
No changes recorded since TenFourHQ began tracking this company.
In the news
Recent coverage
No recent news coverage found for "National Tank Lines" — for most small carriers, no news is good news.
Via Google News — headlines may include similarly-named companies; verify before acting.
Vetting toolkit
Verify it yourself
FMCSA SAFER snapshot ↗
The official company snapshot, straight from FMCSA.
FMCSA SMS safety profile ↗
Safety Measurement System — BASIC scores and crash history.
L&I authority record ↗
Licensing & Insurance: authority, insurance, and BOC-3 on file.
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Quick sweep for litigation and judgments.