California contractor licence #678525

MC Mahon Masonry

MC Mahon Masonry holds California contractor licence 678525 (Masonry) in San Francisco, San Francisco County. Status: Suspended · expires Oct 31, 2027.

Suspendedlicence status

2027-10expires Oct 31, 2027

$25,000contractor's bond

Insuredworkers' comp

What this means

The licence is suspended because the contractor's bond was cancelled and no replacement bond is on file. A suspended licence cannot be used to contract for work until CSLB lifts the suspension.
Contractor's bond: $25,000 with American Contractors Indemnity Company. The bond is there to pay consumers and workers harmed by licence-law violations; it is not liability insurance and it does not guarantee the work. The bond on file shows a cancellation date of Oct 17, 2026.
Workers' comp: Workers' Compensation Insurance with State Compensation Insurance Fund, policy through Aug 21, 2027.
Our records show 2 changes to this licence since we started tracking the CSLB file; see the change history below.

Watch this licence: $9/month. We email you when CSLB's file shows a change to this licence's status, bond, workers' comp or expiry. Checked every Monday and Thursday. Cancel any time.

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Licence details

Licence number	678525
Business name (as CSLB lists it)	MC MAHON MASONRY
Business type	Sole Owner
Status	Suspended (CSLB: Contr Bond Susp)
Issued	Oct 7, 1993
Expires	Oct 31, 2027
City / county / ZIP	San Francisco / San Francisco / 94134
Contractor's bond surety	American Contractors Indemnity Company
Bond amount	$25,000
Bond number	100033933
Bond effective	Jan 1, 2023
Bond cancellation date	Oct 17, 2026
Workers' comp	Workers' Compensation Insurance
Workers' comp insurer	State Compensation Insurance Fund
Workers' comp effective	Aug 21, 2025
Workers' comp expires	Aug 21, 2027
CSLB record last updated	Oct 19, 2026

Classifications

C-29 Masonry: brick, block and stone

Change history

Oct 17, 2026Contractor's bond cancelled (American Contractors Indemnity Company) CSLB's 90-day window to reinstate retroactively runs to about Jan 15, 2027.
Oct 17, 2026Licence suspended: the contractor's bond was cancelled and no replacement bond is on file CSLB's 90-day window to reinstate retroactively runs to about Jan 15, 2027.
Aug 21, 2025Current workers' comp record took effect
Jan 1, 2023Current contractor's bond took effect (American Contractors Indemnity Company)
Oct 7, 1993Licence issued

Changes come from comparing successive copies of CSLB's public licence master file (refreshed twice a week) since October 2026, plus the dates printed on the current record.

Need a bond or workers' comp quote?

If this is your licence and you need a contractor's bond, a replacement bond or workers' comp, request quotes from licensed providers. Free, no obligation.

Check the official record (free): CSLB licence 678525 on cslb.ca.gov. Always confirm there before you hire or sign.

Rasengan Data is a private service, not CSLB. This page is built from the public CSLB licence master file as published; it may lag the live CSLB record by a few days. Not legal advice. Is this your licence and something looks wrong? CSLB's record is the source; email rasengan.win@gmail.com about this page.