Carrierintel
KD

KEYSTONE DOOR & BUILDING SUPPLY

Carrierintel Safety Score: 72/100. 9 inspection violations in 12 months. Last inspected Sep 2026.

DOT 2478548MC 450762No active authorityActiveIntrastate Non-HazmatSACRAMENTO, CA

COMPANY

Authority since
—
MCS-150
2026-09-30 · 120,000 mi (2026)
Fleet
15 units · 3 trailers · 3 drivers

ADDRESS

Physical
1037 N MARKET BLVD
SACRAMENTO, CA 95834
Mailing
Same as physical

CONTACT

Phone
9166238100
Email
tcarpenter@keystonedoor.com

OFFICERS

Primary Officer
THADDEUS CARPENTER
Title
PRESIDENT

OPERATION & CARGO

Operation classification
Private Property
Specialty
Construction & Building Materials
Cargo types
3
Building MaterialsConstructionOther: PREHUNG DOORS, MILLWORK, HARDWARE
Self-reported by the company on its latest MCS-150 filing (FMCSA census). Reflects what the carrier is authorized and equipped to haul, not actual recent loads. Specialty is our summary of the declared cargo mix.
AUTHORITY
152 mo
Since USDOT registration
INSURANCE
Insurance not verified
Federal insurance records may not cover this carrier's operation type. Verify coverage through state records or the insurer.
RISK GRADE
Minimal Risk
1 risk factors · 2 strengths
OOS RATE
7.4%
2 / 27 inspections

Carrierintel Safety Score

Rolling 12-month heuristic based on inspections, OOS, violations, crashes & fatalities. Not the official FMCSA SMS score.

72
out of 100
Good
Markers: OOS inspection Crash Fatality

Fleet vs Reality

last 12 months · power-unit VINs from roadside inspections
Declared (MCS-150)
15 power units
Unique power units seen
1
Inspections
6
Discrepancy
0.1x

Minimal Risk

1 risk factor · 2 strengths · 4 data points

SAFETY PERFORMANCE

Crash Record
1 crashes · 0 fatal · 0 with injuries · 1 tow-away
Clean Inspection Rate
93% — 25 clean of 27 inspections
Out-of-Service Rate
7.4% — driver OOS 2 insp., vehicle OOS 0 insp.

COMPLIANCE & AUTHORITY

USDOT Registration
Status: Active
Operating Authority
No active authority · MC450762
Out-of-service orders
None on record
Authority Events
No authority history events
MCS-150 Filing
Last filed 2026-09-30

INSURANCE

Active Coverage
Insurance not verified — Federal insurance records may not cover this carrier's operation type. Verify coverage through state records or the insurer.

SUMMARY

Elevated OOS rate 14% (last 24 mo)
No crashes in the last 24 months
93% clean inspections

INDUSTRY REPORTS

  • ELD Tampering — Carriers cited for ELD tampering under 49 CFR § 395.8(e), by carrier and state.
  • Top Violations — The ten most-cited FMCSA violation codes of the last 30 days.
  • Phantom Fleets — Declared power units against the vehicles seen at roadside inspections.
  • English Proficiency — Carriers whose drivers were cited under 49 CFR § 391.11(b)(2), by carrier and state.
  • Methodology — Where the data comes from and how the Safety Score and Risk Grade are built.

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