Washington contractor license
DUFF MAIDEN MASON CONTR INC
- CC-BZ Masonry
DUFF MAIDEN MASON CONTR INC is a CC-BZ Masonry contractor in Happy Valley, licensed in Washington for 23 years (since 2002). As of Oct 28, 2026, the license is active with an expiration date of Jan 13, 2028 on record and a license bond is on file.
DUFF MAIDEN MASON CONTR INCCC-BZ Masonry · checked Oct 28, 2026
ActiveLicense number#DUFFMMC984RU
Licensed sinceDec 31, 2002
Years licensed23 years
Expiration on recordJan 13, 2028
City and countyHappy Valley
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.