Washington contractor license
COSTIGAN CONSTRUCTION COMPANY
- CC-01 General
COSTIGAN CONSTRUCTION COMPANY is a CC-01 General contractor in Seattle, licensed in Washington for 35 years (since 1991). As of Oct 28, 2026, the license is active with an expiration date of Apr 28, 2027 on record and a license bond is on file.
COSTIGAN CONSTRUCTION COMPANYCC-01 General · checked Oct 28, 2026
ActiveLicense number#COSTICC099DK
Licensed sinceMar 12, 1991
Years licensed35 years
Expiration on recordApr 28, 2027
City and countySeattle
License bondOn file
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Source: Washington State Department of Labor & Industries (L&I) contractor records. Last updated Oct 28, 2026. Page refreshed Nov 4, 2026.