Concrete Wall Sawing Co
concrete contractor in San Lorenzo, California 94580
- Rating
- 5.0 / 5.0 from 2 reviews
- Address
- 2501 Grant Ave, San Lorenzo, CA 94580
- Open
- 5 days a week
- Website
- cwsco.com/
- Service area
- San Lorenzo, San Francisco Bay Area, Northern California
- Phone
- (510) 483-8440
About
Concrete Wall Sawing Company, Inc. was founded in 1966 as a service-contracting company specializing in concrete cutting and demolition. The business operates Monday through Friday, 6 am to 6 pm, and serves Northern California with the greatest concentration of work in cities surrounding the San Francisco Bay.
The company's primary business is concrete sawing, coring, and related demolition work. They use diamond-tipped cutting tools to ensure efficiency and precision. They also offer a wide variety of additional services to fit your needs.
With a 5.0 rating from 2 reviews on Google, Concrete Wall Sawing Co is reachable at (510) 483-8440 or sales@cwsco.com.
Services
- Concrete sawing
- Concrete coring
- Concrete demolition
- Diamond-tipped cutting
Service Area
Serving San Lorenzo, San Francisco Bay Area, Northern California.
Frequently Asked Questions
What hours does Concrete Wall Sawing Co operate?
Monday through Friday, 6 am to 6 pm. The company is closed on weekends.
What areas do you serve?
Concrete Wall Sawing Co serves Northern California, with the greatest concentration of work in cities surrounding the San Francisco Bay.
How can I contact Concrete Wall Sawing Co?
Call (510) 483-8440, email sales@cwsco.com, or visit the office at 2501 Grant Ave, San Lorenzo, CA 94580.
Hiring a Concrete Contractor in San Lorenzo, California
Before hiring a concrete contractor in California, you'll need to determine whether your project requires a building permit. According to California Building Standards Code, no structure may be erected, constructed, enlarged, altered, repaired, moved, improved, removed, converted, or demolished unless a separate permit has first been obtained from the building official. Code requirements vary by city and county, so check with your local building department in San Lorenzo to find out what's needed for your specific project.
California concrete contractors fall under licensing classifications set by the Contractors State License Board (CSLB). A C-8 Concrete Contractor license covers work in this trade. Before signing a contract with any contractor, verify that they hold the appropriate license and check their license status with the CSLB.
When you're ready to hire, ask your contractor about permits, timelines, and what services are included in your project. It's important to review the contract carefully and understand all terms before work begins.
How do I check if a concrete contractor's license is valid?
Use the CSLB's online license lookup tool at cslb.ca.gov/OnlineServices/CheckLicenseII/CheckLicense.aspx. You can search by contractor license number (up to 8 digits), business name, or the contractor's name. The database will show the license status and any complaint disclosures. [4]
Do I need a building permit for concrete work in San Lorenzo?
California law requires a building permit for most construction and demolition work. Code requirements vary by city and county, so contact your local San Lorenzo building department to confirm what's required for your specific project. [3]
What type of license does a concrete contractor need in California?
A concrete contractor in California holds a C-8 Concrete Contractor license issued by the CSLB. Always verify your contractor's license classification matches the work you need done. [1]
What should I ask a concrete contractor before hiring?
Before signing a contract, the CSLB recommends reviewing the hiring contractor page at cslb.ca.gov/Consumers/Hire_A_Contractor/ for guidance on contract terms, binding agreements, and what to look for in a licensed contractor. [2]
Where do I find my local San Lorenzo building department?
The CSLB maintains a directory of California city and county building departments at cslb.ca.gov/Consumers/Hire_A_Contractor/Building_Permit_Requirements.aspx. Search for San Lorenzo or the county building department to find contact information and permit requirements. [3]
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 | 6 AM – 6 PM |
|---|---|
| Tuesday | 6 AM – 6 PM |
| Wednesday | 6 AM – 6 PM |
| Thursday | 6 AM – 6 PM |
| Friday | 6 AM – 6 PM |
| Saturday | Closed |
| Sunday | Closed |