STIER ENGINEERING is shown as CLEAR, under A, in Antioch, California.
License status: CLEAR
Record check: ✓ No adverse status shown
The available licensing record does not show a suspension, expiration, or other adverse status.
| License status | ✓ Yes |
| Address | ✓ Yes |
| Phone | ✓ Yes |
| License Type | ✓ Yes |
| License expiration | ✓ Yes |
| Insurance record | ✓ Yes |
| Bond record | ✓ Yes |
This check shows which key information is available in the licensing record. It does not guarantee a contractor's workmanship, reliability, financial condition, or safety.
Affiliate Disclosure: We may earn a commission if you use some links on this page, at no additional cost to you.
The recorded license type is A. This identifies the broader license category shown in the database.
The business has 1 recorded classification. Its main classification is A - General Engineering Contractor. These classifications provide more specific information about the types of work associated with the business.
The database shows the license status as CLEAR. The recorded license number is 1148360. The recorded effective date is December 30, 2025. The listed expiration date is December 31, 2027.
The business is recorded as a Sole Owner. A business owned by one individual who operates the business as the sole owner.
The recorded business location is Antioch, California. The database lists the address as 2329 MARK TWAIN DR. The listed phone number is (951) 805-2440.
The recorded insurance type is Exempt. The listed insurance company is 11/25/2025.
The recorded bond company is AMERICAN CONTRACTORS INDEMNITY COMPANY. The bond number is 101015532. The bond is recorded as effective from 10/20/2025.
Last checked / data updated: September 2026
This information is based on a licensing record and is provided for reference purposes. Licensing status, expiration dates, classifications, insurance, bond information, and other details may change.
Please verify the current information with California Contractors State License Board before hiring a contractor.
Reviews: Reviews submitted by users are displayed separately from licensing records and do not represent verification of a contractor's qualifications.
No reviews yet. Be the first to share your experience with this contractor.
Share your own experience with this contractor. Reviews are checked before they are published.
The available database record lists STIER ENGINEERING as CLEAR. Check with the relevant state licensing authority for the latest official status.
STIER ENGINEERING is listed in Antioch, California in the available contractor record.
The recorded license type is A. The record lists A - General Engineering Contractor as classifications.
The recorded expiration date is December 31, 2027. This date should be confirmed with the state licensing authority because records can change.
The license number in the available record is 1148360.
The phone number listed in the record is (951) 805-2440.
Get connected with local contractors for your project.
Get a Free Estimate