Is Diamond's Concrete Construction licensed, insured & complaint-free in California?
As of October 6, 2026, Diamond's Concrete Construction's California contractor license (CSLB #888478, classification C-8) carries the status "Contr Bond Susp", according to the California Contractors State License Board (CSLB).
Diamond's Concrete Construction
Not in good standing
This license is not active or in good standing, per the California Contractors State License Board (CSLB).
Why: Suspended over a contractor's bond issue.
- Bond surety — who to file a claim against
- Bond number
- How to make a bond claim
- What “Not in good standing” means + what to ask
- License expiration date
- Registered business entity & contact
- Dated certificate PDF — emailed with your receipt
Unlock every field above for Diamond's Concrete Construction — including who to file a claim against the $25,000 bond. Delivered as a dated certificate PDF, emailed with your receipt. Public records, not a background check.
Principals on record · CSLB
Workers’ compensation · CSLB
- Carrier
- PIE INSURANCE COMPANY (THE)
- Policy
- WCPI4265129000
- Effective
- July 30, 2026
- Expires
- July 30, 2027
What this record means
What "Contr Bond Susp" means
A bond-related suspension means the CSLB records an issue with a required bond on file. The license is not in good standing until it is resolved. The CSLB record shows the current detail and any path to reinstatement.
How to verify this yourself
Every fact on this page comes from the California Contractors State License Board (CSLB). You can confirm it directly: look up CSLB license #888478 on the official CSLB site. This page is current as of October 6, 2026; the CSLB record is updated continuously.
What this record does and does not tell you
The California Contractors State License Board (CSLB) tracks license status, classification, bond, and workers'-comp. It does not rate work quality, track general-liability insurance, or collect customer reviews. Use it to confirm the license is real and in good standing, then check references and a written contract separately.
What classification C-8 covers
CSLB #888478 is classified Concrete (C-8). A California contractor is licensed only for the classifications on record; work outside them may fall outside the license. The full classification list is on the official CSLB record.
Common questions
Is Diamond's Concrete Construction licensed in California?
The California Contractors State License Board (CSLB) lists Diamond's Concrete Construction's license, CSLB #888478, with the status "Contr Bond Susp" as of October 6, 2026. A non-CLEAR status means the license is not in good standing; check the official CSLB record for the current detail.
Is Diamond's Concrete Construction insured?
As of October 6, 2026, the California Contractors State License Board (CSLB) shows an active workers'-compensation policy on file for CSLB #888478. This covers workers' comp; it does not by itself confirm general-liability coverage, which the CSLB does not track.
Does Diamond's Concrete Construction have complaints or violations?
As of October 6, 2026, the California Contractors State License Board (CSLB) lists CSLB #888478 with the status "Contr Bond Susp". The details, including any underlying citation or judgment, are on the official CSLB record.
Who runs Diamond's Concrete Construction?
The California Contractors State License Board (CSLB) lists Diamond's Concrete Construction as a sole-owner or single-principal license (CSLB #888478). The named principal is shown in the personnel section below, as recorded by the CSLB.
Is Diamond's Concrete Construction bonded?
The California Contractors State License Board (CSLB) shows the contractor's bond for CSLB #888478 as lapsed or cancelled as of October 6, 2026. Verify the current bond status on the official CSLB record.
How long has Diamond's Concrete Construction been licensed?
The California Contractors State License Board (CSLB) shows CSLB #888478 was first issued on December 16, 2006, about 19 years ago.
Get a free quote from a vetted concrete contractor in Oakland.
Comparing options? Tell us what you need and we’ll work to connect you with a licensed, insured concrete contractor. Optional — the verdict above is already free and never behind a form.
This record compiles California Contractors State License Board (CSLB) data — license, insurance, principals, and enforcement — that CSLB publishes across separate pages, current as of October 6, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.