California contractor license
W J J - D & H INC
- C28 Lock And Security Equipment
W J J - D & H INC is a C28 Lock And Security Equipment contractor in San Francisco, San Francisco County, licensed in California for 41 years (since 1985). As of Mar 13, 2026, the license is active with an expiration date of Apr 30, 2028 on record and a license bond is on file.
W J J - D & H INCC28 Lock And Security Equipment · checked Mar 13, 2026
ActiveLicense number#477770
Licensed sinceAug 5, 1985
Years licensed41 years
Expiration on recordApr 30, 2028
City and countySan Francisco, San Francisco County
License bondOn file
ProjectsNone on file
Full record
Insurance, workers' comp, violations and permits.
Workers' comp, insurance policies, violations and full permit historyFree with your email. Shown on this page after you unlock.
LockedWorkers' compUnlock to view
Insurance policiesUnlock to view
Violations, complaints and disciplinary actionsUnlock to view
Full permit historyUnlock to view
5 free unlocks left today
Is this your business? Claim it free.
Claim your free profile to help keep your business details accurate. We'll verify you first.
Source: California Contractors State License Board (CSLB) and City of Los Angeles permit records. Last updated Mar 13, 2026.