UU
UNDERGROUND UTILITIES
No inspections in the past 12 months · Spring Valley, CA · 1 truck. Updated Oct 2026.
DOT 2743740ActiveIntrastate Non-HazmatSPRING VALLEY, CA
COMPANY
Authority since
—
MCS-150
2025-10-13
Fleet
1 units · 1 trailers · 1 drivers
ADDRESS
Physical
9102 HARNESS ST SUITE B
SPRING VALLEY, CA 91977-3947
SPRING VALLEY, CA 91977-3947
Mailing
Same as physical
CONTACT
Phone
6194619500
Email
estimating@uuisd.com
OFFICERS
Primary Officer
MICHAEL HARNESS
Title
PRESIDENT
OPERATION & CARGO
Operation classification
Private Property
Specialty
Construction & Building Materials
Cargo types
3
Building MaterialsConstructionOther
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
135 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
0 risk factors · 1 strengths
OOS RATE
33.3%
1 / 3 inspections
CarrierIntel Safety Score
Rolling 12-month heuristic based on inspections, OOS, violations, crashes & fatalities. Not the official FMCSA SMS score.
69
out of 100
Fair
Markers: OOS inspection Crash Fatality
Fleet vs Reality
last 12 months · power-unit VINs from roadside inspections Checking local VIN index…
Minimal Risk
0 risk factors · 1 strengths · 3 data pointsSAFETY PERFORMANCE
Crash Record
0 crashes · 0 fatal · 0 with injuries · 0 tow-away
Clean Inspection Rate
67% — 2 clean of 3 inspections
Out-of-Service Rate
33.3% — driver OOS 1 insp., vehicle OOS 0 insp.
COMPLIANCE & AUTHORITY
USDOT Registration
Status: Active
Operating Authority
No operating authority on file
Out-of-service orders
None on record
Authority Events
No authority history events
MCS-150 Filing
Last filed 2025-10-13
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
No crashes in the last 24 months
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