Is Big Rock Builders Safe? DOT 3999932 – Safety Rating, Crashes & Violations

Q: How many inspections has Big Rock Builders had?

Big Rock Builders has recorded 1 total inspections, with 3 out-of-service orders.

Q: Where is Big Rock Builders located?

Big Rock Builders is headquartered at 20228 Crabtree St, Chugiak, AK 99567.

This carrier is active with no crashes on record.

Big Rock Builders is a registered motor carrier with the FMCSA under USDOT number 3999932. The company operates from Chugiak, AK and maintains an active operating status with 1 power units and 1 drivers on record.

Safety Rating

FMCSA Safety Rating

— Not Rated

No formal safety rating has been assigned to Big Rock Builders by the FMCSA. View official FMCSA record →

Inspection Summary

All-time Inspections

All-time

Total

OOS

Driver OOS

Vehicle OOS

1 inspections — relatively low volume, which may indicate a smaller or newer carrier.

OOS Rate300.00%

The out-of-service (OOS) rate represents the percentage of inspections that resulted in the carrier being placed out of service. 300.0% — above the national vehicle OOS average of ~21%. Review BASICS scores below.

Crash History

✅No crashes reported (FMCSA data)

Other Carriers in Chugiak, AK

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Carrier Insight

Big Rock Builders is a small motor carrier operating in Alaska. With 1 total inspections on record, the carrier has an out-of-service rate of 300.0%, which exceeds the national average of approximately 21%. No crashes have been reported in FMCSA records, which is a positive indicator for shippers and brokers evaluating this carrier.

Big Rock Builders has not received a formal safety rating from the FMCSA. This is common for smaller or newer carriers and does not necessarily indicate a safety problem.

The company operates 1 power unit and employs 1 driver. This is a small carrier operation.

Frequently Asked Questions

What is USDOT Number 3999932?

USDOT number 3999932 is assigned to Big Rock Builders, an active motor carrier registered with the FMCSA, based in Chugiak, AK.

How many inspections has Big Rock Builders had?

Big Rock Builders has recorded 1 total inspections with 3 out-of-service orders, representing an OOS rate of 300.00%.

Where is Big Rock Builders located?

Big Rock Builders is headquartered at 20228 Crabtree St, Chugiak, AK 99567.

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# 3999932 · Last updated: 2026-03-09. View official FMCSA record →

Big Rock Builders (DOT# 3999932) – FMCSA Carrier Profile