ContractorHistory

Washington contractor

ALTA CONTRACTOR SERVICES

Registered in Washington for 13 years

License number
ALTACCS882PP
UBI
601738411
Trade
General contractor(all general contractor contractors in Washington)
L&I license type and specialty
CONSTRUCTION CONTRACTOR · GENERAL
City
DUVALL, WA(all contractors in Duvall)
Phone
(425) 765-8644

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
October 17, 2012
Expiration date
October 18, 2028

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

Bond

Current bond

  • Bond company
    RLI Ins Co
    Bond number
    LSM1168781
    Amount
    $30,000
    Effective date
    October 18, 2024
    Expiration date
    Until canceled

Bond history

  • Bond company
    RLI Ins Co
    Bond number
    LSM1168781
    Amount
    $12,000
    Effective date
    September 5, 2018
    Expiration date
    October 18, 2024

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

Liability insurance

Current policy

  • Carrier
    Contractors Bonding & Insuranc
    Policy number
    CKA0543463
    Coverage amount
    $1,000,000
    Effective date
    September 5, 2026
    Expiration date
    September 5, 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.

  • OSTREM, MICHAEL ANDREWSince October 17, 2012

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: ALTA CONTRACTOR SERVICES in DUVALL. 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 ALTACCS882PP).