Current Status

SPENARD BUILDERS SUPPLY LLC

DBA · A BUILDERS FIRST SOURCE COMPANY
USDOT  410407 Active Intrastate
unscored
Verdict
Not yet scored
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location_onANCHORAGE, AK event_availableVerified April 17, 2026 databaseFMCSA public records
Power Units
129
Trucks + tractors
Drivers
158
1.22 per truck
Authority Age
52 yr
Since 1974
Safety Rating
Unrated
No DOT rating

Quick checks from the federal record

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Authority active

FMCSA currently lists this operating authority as active.

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Tenure: 52 years

Registration history dates back to 1974 — an established federal record.

Registration & fleet profile

From 1 archived monthly FMCSA census snapshot for this carrier.

  • MCS-150 filing: Sep 18, 2024 — within the biennial update window
  • Reported annual mileage: 935,307 miles (2022) — ≈7,250 per truck
  • Company officers: Alan Shamblin · MICHAEL SIEBURT
  • Operation class: Private property only
neurology Analyst Summary
AI
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No analyst narrative exists yet for SPENARD BUILDERS SUPPLY LLC. Running a full vetting search generates one — a plain-English readout of the flags, history, and network signals on this page.

What the full workup adds

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BASIC percentile detail

Each of the seven BASIC measures with percentile, threshold status, and inspection counts behind it.

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Crash-by-crash record

Every reportable crash with date, state, severity, and tow-away status — fleet-normalized.

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Live insurance verification

Current BI&PD and cargo coverage against federal minimums, with effective dates and lapse detection.

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Full identity graph

Complete shared-phone/address/officer map with revocation overlays, not just the sample above.

Common questions about SPENARD BUILDERS SUPPLY LLC

Is USDOT 410407 authorized to operate right now?

As of the latest FMCSA sync, USDOT 410407 (SPENARD BUILDERS SUPPLY LLC) shows authority status: Active. MC Look Up re-syncs carrier records on a rolling ~48-hour cycle, so this reflects the current federal register, not a stale snapshot.

When did SPENARD BUILDERS SUPPLY LLC last update its MCS-150 filing?

The MCS-150 on file dates from 1.9 years ago. That's within FMCSA's required biennial update window.

Who is the listed company officer for SPENARD BUILDERS SUPPLY LLC?

Alan Shamblin and MICHAEL SIEBURT appear as company officers on the FMCSA registration for USDOT 410407. Officer names are one of the identity fields MC Look Up cross-references against revoked carriers.

How long has USDOT 410407 been registered?

SPENARD BUILDERS SUPPLY LLC first appears in FMCSA records in 1974, giving it roughly 52 years of registration history. Carriers under 12 months old statistically carry the highest risk of identity fraud and double-brokering.

What size fleet does SPENARD BUILDERS SUPPLY LLC run?

The latest filing reports 129 power units and 158 drivers — a large operation in MC Look Up's fleet segmentation.

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Keep researching

Guides to decoding DOT numbers, MC authority, CSA scores, and the red flags this page surfaces.

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