Contractor License Proof

Michael A Rantz

Licensed

Verified against CSLB on August 4, 2026 · View on CSLB

License details

License number: 679705
Status: Active
Classifications: A · General EngineeringB · General Building
Contractor bond: $25,000
Workers' comp: ExemptNo employees — not a red flag.
License term on file: November 1, 1993 – June 30, 2027

Business

(510) 325 6424 (CSLB public record)
1101 MARINA VILLAGE PARKWAYSUITE 100, Alameda, CA 94501Alameda County

Are you Michael A Rantz? Claim this listing to manage it.

Claim this listing

Request a free quote

Tell us about your project and we'll connect you with licensed, verified California contractors.

Something wrong on this page? Report incorrect information.

Other General Engineering contractors in Alameda

D3 Environmental Engineering

A · Alameda, CA

Verified August 4, 2026 · Bonded

Webcor Construction L P

A · Alameda, CA

Verified August 4, 2026 · Bonded

Webcor Obayashi Joint Venture

A · Alameda, CA

Verified August 4, 2026 · Bonded

Modern Railway Systems Herzog Technologies Inc A Joint Venture

A · Alameda, CA

Verified August 4, 2026 · Bonded

Stacy and Witbeck/ghilotti Bros A Joint Venture

A · Alameda, CA

Verified August 4, 2026 · Bonded

SWH A JV

A · Alameda, CA

Verified August 4, 2026 · Bonded

Browse all General Engineering contractors in Alameda

What to check next

How to verify a California contractor license Red flags when hiring a contractor Licensed vs. bonded vs. insured — what's the difference?Risks of hiring an unlicensed contractor

Frequently asked questions

Is Michael A Rantz licensed in California?

Yes. Michael A Rantz holds an active California state contractor license (CSLB #679705), verified against the CSLB public record on August 4, 2026.

What is Michael A Rantz's CSLB license number?

Michael A Rantz's California contractor license number is 679705. Look that number up with the CSLB "Check a License" tool to confirm its current status against the public record yourself.

What kind of work is Michael A Rantz licensed for?

Michael A Rantz is classified under General Engineering (A) and General Building (B) by the CSLB.

How do I verify Michael A Rantz's license myself?

Look up license #679705 with the CSLB "Check a License" tool and compare the status, bond, and workers' compensation details against what's shown on this page. This page reflects the CSLB public record as of August 4, 2026.

Verify it yourself: How to verify a California contractor license · Look up #679705 on CSLB

Checking more than one contractor? Verify another license.Verify a license

See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.