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SANDSTONE ENVIRONMENTAL ENGINEERING INC

USDOT 3069880 · 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 nameSANDSTONE ENVIRONMENTAL ENGINEERING INC
Company Census File
DBA—
Company Census File
MC number—
Company Census File
Registration statusA
Company Census File
Operation typeC
Company Census File
Registered since2017-11-17
Company Census File

Contact

Phone5103347932
Company Census File
Emailsandstone.env@gmail.com
Company Census File
Officer 1MARTIN CASTILLO
Company Census File
Officer 2—
Company Census File

Address

Street3140 ANDERSON LANE
Company Census File
CityOAKLEY
Company Census File
StateCA
Company Census File
ZIP94561
Company Census File
CountryUS
Company Census File

Fleet (self-reported on MCS-150)

Truck units6
Company Census File
Power units6
Company Census File
Drivers2
Company Census File
CDL drivers0
Company Census File
Intrastate drivers2
Company Census File
Last MCS-150 filing2025-02-26
Company Census File

Related carriers

Share an officer and an address in the public record. This is shared contact information, not evidence of common ownership.

  1. SANDSTONE ENGINEERING INC
    both list officer MARTIN CASTILLO at 3140 ANDERSON LN, OAKLEY CA

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.

Inspections4
driver 2 · vehicle 6
Out-of-service1 (25.0% of inspections)
driver 1 · vehicle 0
Violations7
Inspection span2024-02-09 – 2024-11-14
Crashes0
fatal 0 · injury 0 · tow-away 0
Crash span— – —

Rulebook v1 · JSON