ContractorHistory

Washington contractor

SILLIMAN ECS LLC

Registered in Washington for 5 years

License number
SILLIEL797LH
UBI
604689298
Trade
General contractor(all general contractor contractors in Washington)
L&I license type and specialty
CONSTRUCTION CONTRACTOR · GENERAL
City
LA CENTER, WA(all contractors in La Center)
Phone
(360) 772-2258

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
June 8, 2021
Expiration date
August 4, 2027

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

Bond

Current bond

  • Bond company
    Ohio Cas Ins Co
    Bond number
    999108535
    Amount
    $30,000
    Effective date
    July 1, 2024
    Expiration date
    Until canceled

Bond history

  • Bond company
    Ohio Cas Ins Co
    Bond number
    999108535
    Amount
    $12,000
    Effective date
    June 1, 2021
    Expiration date
    July 1, 2024

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

Liability insurance

Current policy

  • Carrier
    ATEGRITY SPECIALTY INSURANCE C
    Policy number
    01CPKP201740060
    Coverage amount
    $1,000,000
    Effective date
    June 1, 2026
    Expiration date
    June 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.

  • SILLIMAN, PETER MICHAELSince June 8, 2021

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: SILLIMAN ECS in LA CENTER. 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 SILLIEL797LH).