ContractorHistory

Washington contractor

GRAVITY FLOW SYSTEMS INC

Registered in Washington for 27 years

License number
GRAVIFS013CA
UBI
601926401
Trade
General contractor(all general contractor contractors in Washington)
L&I license type and specialty
CONSTRUCTION CONTRACTOR · GENERAL
City
SEATTLE, WA(all contractors in Seattle)
Phone
(206) 723-9485

Current verification

  • Found: Active Washington contractor registration
  • Found: Current bond record found
  • Found: Current liability insurance record found
  • Found: No Attorney General complaint records found

From the state records below; each section shows its source and when it was last synced.

Registration

Status
ACTIVE
Effective date
February 1, 1999
Expiration date
February 1, 2028

Source: L&I Contractor License Data - General, Washington State Department of Labor & Industries. Last synced October 7, 2026.

Bond

Current bond

  • Bond company
    Travelers Casualty & Surety Co of America
    Bond number
    206086363
    Amount
    $30,000
    Effective date
    February 1, 2026
    Expiration date
    Until canceled
  • Bond company
    TRAVELERS CAS & SURETY
    Bond number
    206086363
    Amount
    $12,000
    Effective date
    February 1, 2002
    Expiration date
    Until canceled

Source: L&I Contractor License Data - Bond, Washington State Department of Labor & Industries. Last synced October 9, 2026.

Liability insurance

Current policy

  • Carrier
    Liberty Northwest Ins Corp
    Policy number
    BKA 54712854
    Coverage amount
    $1,000,000
    Effective date
    February 1, 2014
    Expiration date
    February 1, 2027

L&I publishes only the policy currently on file. Earlier policies are kept from our own nightly syncs, which began October 6, 2026.

Source: L&I Contractor License Data - Insurance, Washington State Department of Labor & Industries. Last synced October 9, 2026.

People

Principals L&I lists for this license.

  • GILMAN, THOMAS LSince February 1, 1999
  • MILLER, CARL SSince December 23, 2025
  • MITCHELL, PAMELA ANNESince December 23, 2025
  • MILLER, HAROLD SFebruary 1, 1999 to December 23, 2025
  • MILLER, PAULA RFebruary 7, 2012 to December 23, 2025

Source: L&I Contractor License - Principal Data, Washington State Department of Labor & Industries. Last synced October 9, 2026.

Attorney General complaints

No Attorney General complaint records found.

Matched on business name and city: GRAVITY FLOW SYSTEMS in SEATTLE. Complaints filed under another name or city are not included.

A complaint record does not establish that the business violated the law.

Source: Attorney General Consumer Complaints, Washington State Attorney General's Office. Last synced October 9, 2026.

Record history

Changes to this contractor's state records since we began tracking them. The state's current-status tools do not show these.

No changes recorded since our records began on October 6, 2026.

Sources

Record last synced October 7, 2026.

Check this record against the state directly on L&I's Verify a Contractor page (search by license number GRAVIFS013CA).