California contractor license
NORTHUP CONSTRUCTION INC
- B General Building
NORTHUP CONSTRUCTION INC is a B General Building contractor in Castro Valley, Alameda County, licensed in California for 56 years (since 1970). As of Mar 18, 2026, the license is active with an expiration date of Jan 31, 2028 on record and a license bond is on file.
NORTHUP CONSTRUCTION INCB General Building · checked Mar 18, 2026
ActiveLicense number#265315
Licensed sinceSep 24, 1970
Years licensed56 years
Expiration on recordJan 31, 2028
City and countyCastro Valley, Alameda County
License bondOn file
ProjectsNone on file
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Source: California Contractors State License Board (CSLB) and City of Los Angeles permit records. Last updated Mar 18, 2026.