Fleet typeIdentity
Asset-based
0 power units. Brokers price each fleet type apart.
Carrier profile · USDOT 3615103
ZUM SF INC
0 power unitsREDWOOD CITY, CA
CARRIER ACTIVE
Observed fleet · trailing 24 mo daily
0Power units
Self-reported · MCS-150
—Trailers seen
None observed · 24 mo
—Avg age (yr)
Awaiting decode
Click to see how we scored it
Load decision · FMCSA snapshot · 2026-06-13
Limited record
Not enough federal record to assess. Verify authority and insurance directly.
Established 5 yearsNo BASIC safety alertsMCS-150 census data outdated
Operating authority55 yr active
since 2021Insurance (BIPD)Unknown
FMCSA L&IVehicle OOS · 24mo—%
▼ 22.26% nat'lCrashes · fatal00
1 in 24moVektor intelligence · beyond the federal recordProprietary signals computed from VIN-decoded inspections & daily FMCSA snapshots
Fleet age vs peersDecoding
—
Awaiting VIN decode
Identity stabilityStable
5 yr unchanged
Same registration since 2021 — no chameleon / reincarnation signal.
AI readFull read
Is ZUM SF INC safe to work with?
Is ZUM SF INC safe to load? ZUM SF INC (USDOT 3615103) is an active asset-based motor carrier based in REDWOOD CITY, CA, operating 0 power units and 250 drivers. Operating authority has been active 5 years (past the 24-month broker-confidence threshold). FMCSA has not assigned a safety rating. Vektor rates it unrated (50/100). Source: FMCSA SAFER/MCMIS, last updated 2026-06-13.
FMCSA fields + Vektor analysis · updated 2026-06-13
ZSZUM SF INC 50
01
Safety
Roadside inspections, BASICs & crash history
Out-of-service rate· trailing 24 months vs national benchmark
No roadside inspections on record.
02
Authority & insurance
Can they legally + adequately haul your load?
Insurance continuity· insurer · policy · lapses
No insurance filing history on record.
03
Equipment & fleet
VIN-decoded · NHTSA vPIC
Capacity· power units = haulable capacity; trailers are towed
- Registered power units (MCS-150)
- 0
- Observed power (24 mo)
- —
- Trailers (towed)
- —
Capacity is power units only — trailers are towed equipment and are never summed into a fleet-size figure.
04
Operations & lanes
Revealed by inspection density · 24 mo
Inspection density by state· each tile = a state · shade = inspections, last 24 mo
Home base
REDWOOD CITY, CA
Density
fewermore
05
Network & fraud
Affiliated entities & reincarnation signals · for review, not a verdict
Shares a registration email domain with other carriers
@ridezum.com — 2 carriers: USDOT 3373523
Shares a company officer with other carriers
serena wang — 3 carriers: USDOT 2431376USDOT 3656897
06
Identity & contact
FMCSA census + L&I dossier
Location
- Physical address
- 275 SHORELINE DR STE 200, REDWOOD CITY, CA, 94065-1452
- Operation
- Intrastate (Non-Hazmat)
Contact
- Phone
- (650) 799-7675
- serena@ridezum.com
- Web domain
- ridezum.com
Registration
- Officer
- Serena Wang
- USDOT / docket
- 3615103
- First registered
- 04/19/2021
- Last MCS-150
- 04/19/2021
- FMCSA safety rating
- Not rated
- D-U-N-S
- —
Fleet (self-reported · MCS-150)
—Power units
—Annual mileage
07
Federal activity
Daily-captured FMCSA licensing & insurance changes — monitored by Vektor
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.
08
Reviews
Verified broker, shipper & driver reviews — moderated
Performance ratings only — never the Vektor risk score
No verified reviews yet
Be the first broker or shipper to rate ZUM SF INC. Reviews cover performance only — on-time delivery, payment speed, communication — and never affect the Vektor risk score.
Leave a review09
Frequently asked
What is ZUM SF INC's USDOT number?
ZUM SF INC's USDOT number is 3615103.
Is ZUM SF INC authorized to operate?
As of 2026-06-13, ZUM SF INC is active in the FMCSA register.
How big is ZUM SF INC's fleet?
ZUM SF INC operates 0 power units and 250 drivers per its most recent MCS-150 filing.
Where is ZUM SF INC based?
ZUM SF INC is based in REDWOOD CITY, CA.