Carrier profile · USDOT 3371562 · Updated Jun 13, 2026
The Hokum Rock Corp Inc
DBA OLSEN PLUMBING & HEATING
20 power unitsDENNIS, MA50/100
AUTHORITY STATUS UNKNOWN
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
- 357 HOKUM ROCK RD, DENNIS, MA, 02638
- Mailing address
- PO BOX 2026, DENNIS, MA, 02638
- Operation
- Intrastate (Non-Hazmat)
Contact
- Phone
- (508) 385-5290
- Cell
- (508) 364-7208
- Fax
- (508) 385-6963
- Web domain
- olsenplumbing.com
Registration
- Officers
- Kenneth Olsen · Richard Olsen
- USDOT / docket
- 3371562
- First registered
- Dec 18, 2019
- Last MCS-150
- Feb 18, 2026
- FMCSA safety rating
- Not rated
- D-U-N-S
- —
Fleet (self-reported · MCS-150)
—Annual mileage
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.