California contractor licence #730139

Shamrock Engineering Concrete

Shamrock Engineering Concrete holds California contractor licence 730139 (General Engineering) in San Francisco, San Francisco County. Status: Suspended · expires Dec 31, 2027.

Suspendedlicence status

2027-12expires Dec 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 Business Alliance Insurance 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 11, 2026.
Workers' comp: Workers' Compensation Insurance with Pie Insurance Company (The), policy through Dec 13, 2026.
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	730139
Business name (as CSLB lists it)	SHAMROCK ENGINEERING CONCRETE
Business type	Sole Owner
Status	Suspended (CSLB: Contr Bond Susp)
Issued	Dec 3, 1996
Reissued	Dec 11, 2015
Expires	Dec 31, 2027
City / county / ZIP	San Francisco / San Francisco / 94121
Contractor's bond surety	Business Alliance Insurance Company
Bond amount	$25,000
Bond number	G19033210074
Bond effective	Oct 11, 2025
Bond cancellation date	Oct 11, 2026
Workers' comp	Workers' Compensation Insurance
Workers' comp insurer	Pie Insurance Company (The)
Workers' comp effective	Dec 13, 2025
Workers' comp expires	Dec 13, 2026
CSLB record last updated	Oct 12, 2026

Classifications

A General Engineering: roads, grading, sewers, pipelines, bridges and similar engineering projects · other general engineering contractors in San Francisco

Change history

Oct 11, 2026Contractor's bond cancelled (Business Alliance Insurance Company) CSLB's 90-day window to reinstate retroactively runs to about Jan 9, 2027.
Oct 11, 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 9, 2027.
Dec 13, 2025Current workers' comp record took effect
Oct 11, 2025Current contractor's bond took effect (Business Alliance Insurance Company)
Dec 11, 2015Licence reissued
Feb 14, 2006Licence reactivated
Apr 16, 2004Licence inactivated
Dec 3, 1996Licence 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 730139 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.