Washington contractor
KOSHMAK TILE
Registered in Washington for 3 years
- License number
- KOSHMT*789RH
- UBI
- 604272528
- Trade
- Tile(all tile contractors in Washington)
- L&I license type and specialty
- CONSTRUCTION CONTRACTOR · Tile, Ceramic, Mosaic, Natural and MFG Stone
- City
- RICHLAND, WA(all contractors in Richland)
- Phone
- (509) 521-7563
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
- Review: 1 other license record under the same UBI
From the state records below; each section shows its source and when it was last synced.
Registration
- Status
- ACTIVE
- Effective date
- December 8, 2022
- Expiration date
- December 8, 2026
Source: L&I Contractor License Data - General, Washington State Department of Labor & Industries. Last synced October 7, 2026.
Related licenses
One other license number is registered under the same UBI, 604272528. A UBI identifies one business with the state; a business may hold more than one license, renew under a new number, or register a new license after an earlier one closed.
- KOSHMAK TILEEXPIRED
License KOSHMT*829NA · CONSTRUCTION CONTRACTOR · August 1, 2018 to August 1, 2020 · suspension date September 22, 2019
Source: L&I Contractor License Data - General, Washington State Department of Labor & Industries. Last synced October 7, 2026.
Bond
Current bond
- Bond company
- MERCHANTS NATIONAL BONDING INC
- Bond number
- 101710864
- Amount
- $30,000
- Effective date
- December 7, 2025
- Expiration date
- Until canceled
Bond history
- Bond company
- NORTH RIVER INSURANCE COMPANY THE
- Bond number
- 46CF809300
- Amount
- $30,000
- Effective date
- December 8, 2024
- Expiration date
- Not on record
- Cancellation date
- January 18, 2026
- Bond company
- NORTH RIVER INSURANCE COMPANY THE
- Bond number
- 46CF809300
- Amount
- $12,000
- Effective date
- December 7, 2022
- Expiration date
- December 8, 2024
Source: L&I Contractor License Data - Bond, Washington State Department of Labor & Industries. Last synced October 9, 2026.
Liability insurance
Current policy
- Carrier
- American Casualty Co of Readin
- Policy number
- 8035729991
- Coverage amount
- $1,000,000
- Effective date
- December 7, 2025
- Expiration date
- December 7, 2026
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.
- KOSHMAK, SERHIISince December 8, 2022
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: KOSHMAK TILE in RICHLAND. 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
- L&I Contractor License Data - General, Washington State Department of Labor & Industries
- L&I Contractor License Data - Bond, Washington State Department of Labor & Industries
- L&I Contractor License Data - Insurance, Washington State Department of Labor & Industries
- L&I Contractor License - Principal Data, Washington State Department of Labor & Industries
- Attorney General Consumer Complaints, Washington State Attorney General's Office
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 KOSHMT*789RH).