Mc Mahon Masonry, C-29 Masonry Contractor in San Francisco, CA
Mc Mahon Masonry operating as a sole owner holds an active California contractor license (CSLB #678525), valid through Oct 31, 2027. First issued in 1993, the license has been on the CSLB roster for 33 years. It carries a single CSLB classification: C-29 — Masonry Contractor. Records show an active surety bond on file with American Contractors Indemnity Company and a previously-filed workers' compensation policy with State Compensation Insurance Fund that is no longer active. The business is based in San Francisco, in San Francisco County, California.
- License Number
- 678525
- Issued
- Oct 7, 1993
- Status
- CLEAR
- Expires
- Oct 31, 2027
- Entity
- Sole Owner
- Surety
- American Contractors Indemnity Company
- Bond Number
- 100033933
- Effective
- Jan 1, 2023
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- State Compensation Insurance Fund
- Policy Number
- 9259424
- Effective
- Aug 21, 2025
- Expires
- Aug 21, 2026
This contractor has a compliance issue in its public CSLB record:
- No active workers' comp on file
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Mc Mahon Masonry licensed in California?
Yes. Mc Mahon Masonry holds California Contractors State License Board license number 678525, which is active and in good standing. The license was first issued on October 7, 1993. It is valid through October 31, 2027.
What does Mc Mahon Masonry specialize in?
Mc Mahon Masonry is licensed for one CSLB classification: C-29 Masonry Contractor.
Where is Mc Mahon Masonry headquartered?
Mc Mahon Masonry is headquartered at 3148 San Bruno Ave 3, San Francisco, CA 94134, in San Francisco County, California.
Does Mc Mahon Masonry have an active surety bond on file with CSLB?
Yes. Mc Mahon Masonry has an active California contractor surety bond filed with American Contractors Indemnity Company.
Does Mc Mahon Masonry carry workers' compensation coverage?
Mc Mahon Masonry has a previously-filed workers' compensation policy with State Compensation Insurance Fund that is no longer active.
How do I verify Mc Mahon Masonry's contractor license?
You can verify Mc Mahon Masonry's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=678525.
- License issuedOct 7, 1993
- Bond activeJan 1, 2023
- WC coverage startsAug 21, 2025
- WC expiredAug 21, 2026
- License expiresOct 31, 2027
- National Chimney#733653San Francisco·C-20 HVAC Contractor
- Brogan Masonry#566421San Francisco·C-29 Masonry Contractor
- Thameside Masonry INC#937606San Francisco·C-29 Masonry Contractor
- P M R#993195San Francisco·C-29 Masonry Contractor
- West Coast Masonry INC#1032563San Francisco·C-29 Masonry Contractor
- Sullivan/Thompson Masonry & Restoration#853683San Francisco·B General Building Contractor
- Rainbow Waterproofing & Restoration CO#148753San Francisco·A General Engineering Contractor
- American Terrazzo CO#417185San Francisco·C-15 Flooring and Floor Covering Contractor
Working a California job with Mc Mahon Masonry, or chasing an unpaid invoice? These free tools track your mechanics lien deadlines and rights under California Civil Code §§8200–8848.
- California preliminary notice deadline calculatorFind your 20-day deadline and the lien rights at risk.
- Do I need a preliminary notice in California?Answer a few questions to see if the 20-day notice applies.
- Did I lose my California lien rights?Check whether your mechanics lien window has passed.
- Unpaid construction invoice in CaliforniaYour options and deadlines for collecting on a California job.
Own Mc Mahon Masonry? Claim or correct this profile