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KEYSTONE BUILDING INC

USDOT 4429708 · status active · 7 pass / 0 fail / 2 unknown

What this page is. A rendering of FMCSA public records on a stated date. Not a safety rating, credit score, or recommendation. Source: Company Census File (az4n-8mr2, updated 2026-10-21, sha256 73d4c5901abe8cdb…).

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Identity

Legal nameKEYSTONE BUILDING INC
Company Census File
DBAKEYSTONE YARDS
Company Census File
MC number—
Company Census File
Registration statusA
Company Census File
Operation typeC
Company Census File
Registered since2025-06-25
Company Census File

Contact

Phone4155354856
Company Census File
Emailowenlynn@keystoneyards.com
Company Census File
Officer 1OWEN LYNN
Company Census File
Officer 2—
Company Census File

Address

Street2040 HOFFMAN LN
Company Census File
CityNAPA
Company Census File
StateCA
Company Census File
ZIP94558-9301
Company Census File
CountryUS
Company Census File

Fleet (self-reported on MCS-150)

Truck units4
Company Census File
Power units4
Company Census File
Drivers3
Company Census File
CDL drivers0
Company Census File
Intrastate drivers3
Company Census File
Last MCS-150 filing2025-08-14
Company Census File

Related carriers

No other active carrier shares this carrier's officer and address in the public record.

Safety history

Counts from FMCSA inspection and crash records, all history on file. Not a safety rating; FMCSA assigns ratings only after an on-site review.

Inspections5
driver 0 · vehicle 12
Out-of-service1 (20.0% of inspections)
driver 0 · vehicle 1
Violations11
Inspection span2025-07-16 – 2026-10-19
Crashes0
fatal 0 · injury 0 · tow-away 0
Crash span— – —

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