Carrier profile · USDOT 3962792 · MC-1478416 · Updated Jun 13, 2026
SEIFERT BUILDERS
DBA SEIFERT COOLING AND HEATING
1 power unitsMARTINSVILLE, NJ50/100
AUTHORITY STATUS UNKNOWNMC-1478416 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
- 1304 TULLO RD, MARTINSVILLE, NJ, 08836
- Operation
- Intrastate (Non-Hazmat)
Contact
- Phone
- (732) 469-3030
- Cell
- (908) 963-3114
- Fax
- (732) 469-1717
- Web domain
- optonline.net
Registration
- Officer
- Carl Michael Seifert Jr.
- USDOT / docket
- 3962792 · MC-1478416
- First registered
- Oct 1, 2022
- Last MCS-150
- Oct 24, 2022
- 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.