ContractorHistory

Washington contractor

DINWIDDIE CONSTRUCTION INC

Registered in Washington for 26 years

License number
DINWICI009NA
UBI
602033314
Trade
General contractor(all general contractor contractors in Washington)
L&I license type and specialty
CONSTRUCTION CONTRACTOR · GENERAL
City
SPOKANE, WA(all contractors in Spokane)
Phone
(509) 532-1250

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
August 1, 2000
Expiration date
July 7, 2027

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

Bond

Current bond

  • Bond company
    Western Surety Co
    Bond number
    16202737
    Amount
    $30,000
    Effective date
    July 8, 2024
    Expiration date
    Until canceled

Bond history

  • Bond company
    Western Surety Co
    Bond number
    16202737
    Amount
    $12,000
    Effective date
    June 24, 2024
    Expiration date
    July 8, 2024
  • Bond company
    Hudson Insurance Company
    Bond number
    10054981
    Amount
    $12,000
    Effective date
    June 25, 2017
    Expiration date
    Not on record
    Cancellation date
    August 16, 2024

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

Liability insurance

Current policy

  • Carrier
    State National Ins Co Inc
    Policy number
    NXT3YQ4FC7-01-GL
    Coverage amount
    $1,000,000
    Effective date
    July 1, 2026
    Expiration date
    July 1, 2027
  • Carrier
    State National Ins Co Inc
    Policy number
    NXT3YQ4FC7-01
    Coverage amount
    $1,000,000
    Effective date
    July 1, 2026
    Expiration date
    July 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.

  • DINWIDDIE, STEVE LeroySince January 1, 1980

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: DINWIDDIE CONSTRUCTION in SPOKANE. 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 DINWICI009NA).