Carrier profile · USDOT 1996784 · MC-705448 · Updated Jun 13, 2026
RIGGS EXCAVATION
1 power unitAHWAHNEE, CA50/100
NO OPERATING AUTHORITYMC-705448 NO AUTHORITY
Identity & Federal
The official FMCSA identity — legal name, DBA, addresses, contact, officers, and registration — alongside the daily-captured federal-record activity feed, monitored daily by Vektor.
Location
- Physical address
- 42952 HIGHWAY 49, AHWAHNEE, CA, 93601
- Mailing address
- PO BOX 447, AHWAHNEE, CA, 93601
- Operation
- Intrastate (Non-Hazmat)
Contact
- Phone
- (559) 658-1978
- knjriggs@sti.net
- Web domain
- sti.net
Registration
- Officer
- John Riggs
- USDOT / docket
- 1996784 · MC-705448
- First registered
- Feb 18, 2010
- Last MCS-150
- Jan 23, 2020 · 160 mi (2019)
- FMCSA safety rating
- Not rated
- D-U-N-S
- —
Fleet (self-reported · MCS-150)
MCS-150 filing history· biennial-update cadence
Per-filing MCS-150 history (each biennial update + the fleet/mileage it reported) is being captured from the daily federal feed and will appear here as we capture the full history.
Federal record activity· monitored daily by Vektor
No licensing or insurance changes captured since Vektor began monitoring this carrier (June 2026). Quiet is usually good.