How many general builder contractors are in Columbia City, WA?

2 with a current Washington license, as of 2026-08-31.

How do I check a Washington contractor license is current?

Every listing shows its state license number and expiry date. Verify any of them directly against the Washington L&I licensee database.

General Builder contractors in Columbia City, WA

2 listings

Source: Washington L&I license records. Last verified 2026-08-31.

There are 2 general builder contractors in Columbia City, Washington with a current state license as of 2026-08-31. The earliest license expiry among them is 2027-10-15; every listing shows its own number and expiry date. All are drawn from the Washington L&I register; expired and inactive licenses are excluded.

Business	License	Type	Expires	City	Zip
MARTIN SHEET METAL INC	MARTISM082L6	CONSTRUCTION CONTRACTOR	2027-10-15	Columbia City	97018	Set up workspace
RIVERSIDE HEATING & CLNG LLC	RIVERHC802RJ	CONSTRUCTION CONTRACTOR	2028-03-14	Columbia City	97018	Set up workspace

Quick answers

How many general builder contractors are in Columbia City?: 2 with a current Washington license, as of 2026-08-31.
How do I check a license is current?: Every listing shows its state license number and expiry. Verify any of them directly against the Washington L&I licensee database.