Carrier profile · USDOT 1718049 · MC-630047 · Updated Jun 13, 2026
FLAT RATE MOVING AND STORAGE INC
DBA BOSTON BEST RATE MOVERS
6 power unitsLocal · 2 statesWALTHAM, MA50/100
CARRIER ACTIVEMC-630047 ACTIVE
Authority & Insurance
Active operating authority by type and the full insurance continuity timeline — insurer, policy, coverage, and any lapses — so you can confirm they can legally and adequately haul your load today.
Operating authority· 49 CFR · per type
Operating authority
- Common
- Active
- Contract
- Active
- Broker
- None
Insurance & bonds
BIPD / liability$750,000 in force
Cargo filing (census)Recorded per census
Surety bond (census)Not recorded per census
Insurance adequacy· filed BIPD vs the $750K federal floor
$750K in forcegeneral-freight federal minimum
$750K floor
Insurance continuity· insurer · policy · lapses
$750K BIPD last filed ’25 · 5 insurers · 2 lapsesCoverage lapse
2008201320182023now
Shorter eras are too brief to label at this scale — all 10 insurers are named in the list below.
BIPD in force — $750,000 · MILFORD CASUALTY INSURANCE COMPANY · since Sep 2025
All 10 insurer eras · dates, limits, renewals
| Insurer | Period | Limit | Renewals |
|---|---|---|---|
| MILFORD CASUALTY INSURANCE COMPANY | Sep 2023 → Nov 2025 | $750K | 2 |
| THE COMMERCE INSURANCE COMPANY | Aug 2023 → Sep 2023 | $750K | 1 |
| THE COMMERCE INSURANCE COMPANY | Sep 2020 → Sep 2020 | $750K | 2 |
| PROGRESSIVE CASUALTY INSURANCE COMPANY | Aug 2017 → Aug 2017 | $750K | 2 |
| THE COMMERCE INSURANCE COMPANY | Aug 2017 → Sep 2020 | $750K | 1 |
| PROGRESSIVE CASUALTY INSURANCE COMPANY | Dec 2015 → Aug 2017 | $750K | 2 |
| THE COMMERCE INSURANCE COMPANY | Aug 2013 → Dec 2015 | $750K | 2 |
| HANOVER INSURANCE CO. | Jun 2011 → Aug 2013 | $750K | 1 |
| THE COMMERCE INSURANCE COMPANY | Jun 2009 → Jun 2011 | $750K | 2 |
| ARBELLA PROTECTION INSURANCE COMPANY | Jun 2008 → Jun 2009 | $750K | 2 |