Water Components & Building Supply Inc (DOT# 2651903) – FMCSA Carrier Profile
doing business as WCBS
DOT# 2651903● Active
Updated monthly · 2026-03-09
This carrier is active with no crashes on record.
Water Components & Building Supply Inc is a registered motor carrier with the FMCSA under USDOT number 2651903. The company operates from San Rafael, CA and maintains an active operating status with 5 power units and 5 drivers on record.
Safety Rating
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Company Information
Address44 Simms St, San Rafael, CA, 94901
Phone(415) 451-0132
Entity TypeAuthorized For Hire
OperationIntrastate (Non-Hazmat)
Power Units5(Small carrier)
Drivers5
MCS-150 FiledJune 5, 2025
Annual Mileage110,000 mi (2024)
Inspection Summary
All-time Inspections
All-time20
Total
2
OOS
0
Driver OOS
2
Vehicle OOS
20 inspections reflects moderate road activity.
The out-of-service (OOS) rate represents the percentage of inspections that resulted in the carrier being placed out of service. 10.0% — approaching the national vehicle OOS average of ~21%.
Crash History
✅No crashes reported (FMCSA data)
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Frequently Asked Questions
What is USDOT Number 2651903?
USDOT number 2651903 is assigned to Water Components & Building Supply Inc, an active motor carrier registered with the FMCSA, based in San Rafael, CA.
How many inspections has Water Components & Building Supply Inc had?
Water Components & Building Supply Inc has recorded 20 total inspections with 2 out-of-service orders, representing an OOS rate of 10.00%.
Where is Water Components & Building Supply Inc located?
Water Components & Building Supply Inc is headquartered at 44 Simms St, San Rafael, CA 94901.
What does "Not Rated" mean?
"Not Rated" means the FMCSA has not conducted a formal compliance review for this carrier. It does not indicate a safety problem — many active carriers operate without a formal rating.
Is zero crashes always a good sign?
Generally yes, but context matters. A carrier with zero crashes and very few inspections may simply have limited road exposure. Always review crash data alongside inspection volume and fleet size.
What is a normal OOS rate?
The national average vehicle out-of-service rate is approximately 21%. Driver OOS averages around 5%. Rates significantly above these thresholds may indicate recurring compliance issues.
How often is FMCSA data updated?
FMCSA publishes updated carrier data monthly. This page reflects the most recent available snapshot, updated on the date shown above.
Data sourced from the FMCSA Open Data Portal. Updated monthly. DOT# 2651903 · Last updated: 2026-03-09. View official FMCSA record →