ContractorHistory

Washington contractor

KEYSTONE BUILDERS LLC

Registered in Washington for 1 year

License number
KEYSTBL750DR
UBI
605718319
Trade
Framing, drywall, and insulation(all framing, drywall, and insulation contractors in Washington)
L&I license type and specialty
CONSTRUCTION CONTRACTOR · Framing and Rough Carpentry
City
MARSHALL, WA
Phone
(509) 999-4304

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
March 19, 2025
Expiration date
March 19, 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
    999391049
    Amount
    $15,000
    Effective date
    March 13, 2025
    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
    Clear Blue Insurance Company
    Policy number
    CK01WAC00099400
    Coverage amount
    $1,000,000
    Effective date
    March 13, 2025
    Expiration date
    March 13, 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.

  • LONSKY, JAMES PSince March 19, 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: KEYSTONE BUILDERS in MARSHALL. 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 KEYSTBL750DR).