California contractor licence #1145166

Flatline Concrete Services

Flatline Concrete Services holds California contractor licence 1145166 (Concrete) in Marysville, Yuba County. Status: Not in active file · expires Oct 31, 2027.

Not in active filelicence status

2027-10expires Oct 31, 2027

$25,000contractor's bond

Insuredworkers' comp

What this means

This licence is no longer in CSLB's active licence file (we last saw it there on Oct 29, 2026). That usually means it expired, was inactivated or was revoked. Check the free CSLB lookup before relying on it.
Contractor's bond: $25,000 with Jet 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 Nov 7, 2026.
Workers' comp: Workers' Compensation Insurance with Great American Alliance Insurance Company, policy through Oct 14, 2026.
Our records show 2 changes to this licence since we started tracking the CSLB file; see the change history below.

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Licence details

Licence number	1145166
Business name (as CSLB lists it)	FLATLINE CONCRETE SERVICES
Business type	Sole Owner
Status	Not in active file
Secondary status	WC Susp Pending
Issued	Oct 17, 2025
Expires	Oct 31, 2027
City / county / ZIP	Marysville / Yuba / 95901
Contractor's bond surety	Jet Insurance Company
Bond amount	$25,000
Bond number	BX0074516
Bond effective	Oct 6, 2025
Bond cancellation date	Nov 7, 2026
Workers' comp	Workers' Compensation Insurance
Workers' comp insurer	Great American Alliance Insurance Company
Workers' comp effective	Oct 14, 2025
Workers' comp expires	Oct 14, 2026
CSLB record last updated	Oct 19, 2026

Classifications

C-8 Concrete: concrete flatwork, foundations and structural concrete

Change history

Nov 7, 2026Contractor's bond cancelled (Jet Insurance Company) CSLB's 90-day window to reinstate retroactively runs to about Feb 5, 2027.
Oct 29, 2026Licence left the active file before its expiry date (revoked, cancelled or inactivated)
Oct 17, 2025Licence issued
Oct 14, 2025Current workers' comp record took effect
Oct 6, 2025Current contractor's bond took effect (Jet Insurance Company)

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 1145166 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.