Oregon contractor license
MARK IVAN DETTWYLER
- RGC Residential General Contractor
MARK IVAN DETTWYLER is a RGC Residential General Contractor contractor in Salem, Marion County, licensed in Oregon for 32 years (since 1994). As of Oct 26, 2026, the license is active with an expiration date of Jun 28, 2027 on record and a license bond is on file.
MARK IVAN DETTWYLERRGC Residential General Contractor · checked Oct 26, 2026
ActiveLicense number#98859
Licensed sinceMay 6, 1994
Years licensed32 years
Expiration on recordJun 28, 2027
City and countySalem, Marion County
License bondOn file
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Source: Oregon Construction Contractors Board (CCB) records. Last updated Oct 26, 2026. Page refreshed Nov 4, 2026.