ContractorHistory

Washington contractor

RBK BUILDERS LLC

Registered in Washington for 6 years

License number
RBKBUBL803CK
UBI
604571955
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) 655-1053

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 20, 2020
Expiration date
January 15, 2027

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

Bond

Current bond

  • Bond company
    NORTH RIVER INSURANCE COMPANY THE
    Bond number
    46CF840449
    Amount
    $30,000
    Effective date
    January 15, 2025
    Expiration date
    Until canceled

Bond history

  • Bond company
    NORTH RIVER INSURANCE COMPANY THE
    Bond number
    46CF810279
    Amount
    $12,000
    Effective date
    January 15, 2023
    Expiration date
    Not on record
    Cancellation date
    February 19, 2025
  • Bond company
    Navigators Ins Co
    Bond number
    NAV00015595
    Amount
    $12,000
    Effective date
    March 20, 2020
    Expiration date
    Not on record
    Cancellation date
    January 14, 2023

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

Liability insurance

Current policy

  • Carrier
    Nautilus Ins Co
    Policy number
    NN1943645
    Coverage amount
    $1,000,000
    Effective date
    February 7, 2026
    Expiration date
    February 7, 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.

  • Korchemnyy, Bogdan AlexSince February 12, 2020
  • Korchemnyy, Ruvim AlexSince February 12, 2020

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: RBK BUILDERS 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 RBKBUBL803CK).