$25,000 Contractor License Bond
No bond on file, no active license — this one stops work the day it lapses.
Required by CSLBNo bond, no license
California plumbing contractors · C-36
Every Requirement On Your C-36. One Straight Answer.
The bond keeps your plumbing license active, your jobsites demand the liability, and workers’ comp is the one where plumbers still have a choice — until January 1, 2028. We put your number ahead of your name: four questions first, contact info last.
CA Lic #0N10039
Independent brokerage
Over 27 years of industry expertise
Duarte, California
$25k
CSLB license bond
$100k
LLC worker bond
90
Days to file comp after a hire
2028
Comp exemption repealed (SB 1455)
Why Aster
A Broker Who Tells Plumbers What the Rules Actually Say
Most of what plumbers get told about workers’ comp is either a roofer’s rule or a sales line. Here’s how we work instead.
The 2028 Countdown, Said Plainly
Running solo, you can still file the CSLB workers’ comp exemption — it isn’t automatic, and it isn’t permanent. That exemption is repealed January 1, 2028. We’d rather you hear the date from us than from a renewal notice.
Benchmark Before Contact Info
The Rate Check computes a market benchmark in the page before any form asks who you are. Contact info comes last, and only for the written copy.
The Stay-Put Rule
If you’re at or under market, we’ll tell you to stay put. Unless service is the problem, switching carriers wouldn’t be worth the underwriting churn.
Renewal-Date Radar
Tell us your renewal month and we’ll send your written benchmark plus a heads-up before your renewal — when moving is actually possible.
Choose Your Coverage
The Four Things Standing Between You and Your Next Job
Pick your setup below and see exactly which ones apply to you — each card opens the plain-English version.
I run a plumbing business, , working mostly .
Same rules as the full Requirements Checker.
Your stack
$25k bondRequired
$100k bondLLC only
LiabilityExpected
CompYour call
One CSLB requirement — the $25k bond — plus liability most jobs expect. Running solo, comp is a decision: file the CSLB exemption, or carry it — that exemption is repealed January 1, 2028. The $100k bond is an LLC rule — not yours.
Run My Free Rate Check → Get My GL Quote →
$100,000 LLC Employee/Worker Bond
An LLC plumbing company carries two extra rules — this bond, plus statutory liability.
Required if LLCThe LLC stack
General Liability
The CSLB skips it for most plumbers; GC contracts demand it before you can start. We quote it.
Jobsite-requiredNo COI, no start date
Workers’ Compensation
Mandatory with a crew. Solo, you can file the exemption instead — until January 1, 2028.
Required with employeesExemption ends 2028
How It Works
From Four Taps to an Honest Verdict
The Rate Check is built in the order that respects your time: the number first, your contact info after — and only if you want the written copy.
Step 01
Answer Four Taps
Crew size, payroll band, work mix, renewal month. A premium band is optional — skip it if you’d rather not say.
Step 02
See Where You Stand
Your answers build a market benchmark for plumbers your size. It is a reference range, never a quote.
Step 03
Get the Honest Verdict
At or under market? We say stay put. Likely over? We say that too, and what a formal quote would take.
Step 04
Take the Written Copy
Leave your details only if you want the benchmark in writing — plus a heads-up before your renewal month.
Know Your Number Before Anyone Knows Your Name.
Four taps, and the honest market picture for a plumber your size — including “stay put” if that’s the truth.
Benchmarks are market reference ranges, not quotes or offers of insurance. Aster National Insurance Group · CA Lic #0N10039.