Required, on file
California contractor license bond
$25,000
Every active CSLB license needs one. Renew or replace it here.
From $200/yr
Get this bondLicense activeVerified against CSLB records
HYDROTECH MECHANICAL INC
Boiler, hot water heating and steam fitting contractor in Larkspur, Marin County. CA license #807037
C-4 · Boiler, Hot Water Heating And Steam Fitting
- Licensed since
- 200224 years
- Entity
- CorporationLarkspur, CA
- License bond
- $25,000On file
- Workers' comp
- ExemptNo employees reported
- Discipline
- NoneOn public record
Trusted by
License and compliance history
Source: CSLB public license data
- 2002License issued, C-4 Boiler, Hot Water Heating And Steam FittingIssued Apr 23, 2002. Corporation.
- 2026License bond of $25,000 on fileCurrent bond effective Jul 14, 2026.
- NowExempt from workers' compThe contractor reported having no employees.
- NowLicense expiration on recordJul 31, 2028.
- NowNo disciplinary actionsNone on CSLB public record as of Jul 20, 2026.
Insurance a C-4 contractor usually needs
What owners and GCs typically ask for on residential and light commercial jobs
- Workers' compensationCalifornia requires it as soon as a contractor has employees.Get quotes
- General liabilityOwner contracts commonly ask for $1M per occurrence / $2M aggregate, often with additional insured.Get quotes
- Builder's riskNew homes and major rebuilds need it while the structure is going up; the contract says who buys it.Get quotes
- Commercial autoCovers trucks and the trailer hauling materials to each site.Get quotes
Bonds for California C-4 contractors
All California bondsOften required
Bond of qualifying individual
$25,000
Needed when the license qualifier owns less than 10% of the business.
From $220/yr
Get this bondPublic work
Bid bond
Often 10% of bid
Submitted with a bid on many California public projects.
Free
Get prequalifiedAfter award
Performance and payment bonds
Up to 100% of contract
California public works over $25,000 require a payment bond.
Quoted per project
Get a quoteBonds are underwritten and issued by our surety partner. Rates depend on the applicant's credit and history.
Questions about HYDROTECH MECHANICAL
What work can HYDROTECH MECHANICAL do with a C-4 license?
CSLB records list C-4 (Boiler, Hot Water Heating And Steam Fitting) on this license, so HYDROTECH MECHANICAL can take boiler, hot water heating and steam fitting work.
Does HYDROTECH MECHANICAL have a contractor license bond?
Yes. CSLB records show a $25,000 contractor license bond on file as of Jul 20, 2026.
Does HYDROTECH MECHANICAL carry workers' compensation?
CSLB records show HYDROTECH MECHANICAL as exempt: the contractor reported having no employees. Ask again if they bring a crew.
How current is this information?
License, bond and comp data were last checked against CSLB on Jul 20, 2026. We recheck it periodically.
How this profile is built
BLDAssure compiles this profile automatically from public records and refreshes it periodically. We don't accept payment to change any record.
| License, classifications, bond | California Contractors State License Board | Verified Jul 20, 2026 |
|---|---|---|
| Workers' compensation | CSLB workers' comp records | Verified Jul 20, 2026 |