Diamond's Concrete Construction
concrete contractor in Oakland, California 94611
- Address
- 2400 Monterey Blvd, Oakland, CA 94611
- Open
- 5 days a week
- Service area
- Oakland
- Phone
- (510) 684-6369
About
Diamond's Concrete Construction is located at 2400 Monterey Blvd in Oakland. The business is open Monday through Friday from 9 AM to 5 PM.
To reach them, call (510) 684-6369.
Service Area
Serving Oakland.
Hiring a Concrete Contractor in Oakland, California
In California, concrete contractors must hold a C-8 license issued by the Contractors State License Board (CSLB). Before you hire, verify that your contractor holds this classification. You can check any contractor's license status for free on the CSLB website by entering their license number or business name; the database also discloses any complaints.
Most concrete projects in Oakland require a building permit from the city's building department. The California Building Standards Code requires a separate permit before any structure is erected, enlarged, altered, repaired, or improved. Requirements vary by project scope and location, so confirm with Oakland's building department whether your work needs a permit—and ask your contractor whether they handle permitting as part of their bid.
Before signing a contract, ask your contractor about their experience with your specific project type, their timeline for curing, and what finishes they offer. Verify their license status and any complaint history, and get a detailed written estimate that covers labor, materials, and who is responsible for permits and grading work.
What license do concrete contractors need in California?
Concrete contractors in California must hold a C-8 license from the Contractors State License Board (CSLB). [1]
How do I verify a contractor's license?
You can check any contractor's license status for free on the CSLB website by entering their license number or business name. The database also shows complaint disclosures. [4]
Do I need a building permit for concrete work in Oakland?
According to California Building Standards Code, a permit is required before any structure is erected, enlarged, altered, repaired, or improved. Code requirements vary by city and project type, so contact Oakland's building department to confirm what is needed for your work. [3]
What should I ask a concrete contractor before hiring?
Ask about their experience with your project type, curing timeline, finish options, and whether they handle permits and grading. Always verify their license status through CSLB and get a detailed written estimate before signing a contract. [2]
Sources
- California CSLB — licensing classifications (read 2026-09-21)
- California CSLB — hire a licensed contractor (read 2026-09-21)
- California CSLB — do I need a building permit? (read 2026-09-21)
- California CSLB — check a license (read 2026-09-21)
Contact Information
Business Hours
| Monday | 9 AM – 5 PM |
|---|---|
| Tuesday | 9 AM – 5 PM |
| Wednesday | 9 AM – 5 PM |
| Thursday | 9 AM – 5 PM |
| Friday | 9 AM – 5 PM |
| Saturday | Closed |
| Sunday | Closed |