Solar Harbor Innovations
concrete contractor in South San Francisco, California 94080
- Rating
- 4.7 / 5.0 from 17 reviews
- Address
- 319 S Maple Ave, South San Francisco, CA 94080
- Open
- 7 days a week
- Service area
- South San Francisco
- Phone
- (650) 294-9530
About
Solar Harbor Innovations is a concrete contractor based in South San Francisco. The business is open Monday through Thursday from 5 AM to 9:30 PM, Friday 5 AM to 4:30 PM, Saturday 7 AM to 7 PM, and Sunday 9 AM to 5 PM. Customers rate the company 4.7 out of 5 stars based on 17 reviews.
To inquire about concrete work, call (650) 294-9530. The business is located at 319 S Maple Ave, South San Francisco, CA 94080.
Service Area
Serving South San Francisco.
Hiring a Concrete Contractor in South San Francisco, California
In California, concrete contractors must hold a state license. The Contractors State License Board (CSLB) classifies concrete work under the C-8 license category. Before hiring any contractor, verify their license status through the CSLB's online license-check tool. You can search by contractor license number, business name, or the individual contractor's name. A valid California contractor license number contains up to 8 digits with no letters.
Most concrete projects require a building permit. California's Building Standards Code generally requires a permit before any structure is erected, constructed, enlarged, altered, repaired, moved, improved, removed, converted, or demolished. Requirements vary by city and county, so contact your local building department in South San Francisco to determine what permits apply to your project.
When selecting a contractor, ask whether they handle permitting and what their process is. Clarify the scope of work, timeline, and payment terms in writing before work begins.
How do I verify a concrete contractor's California license?
Visit the CSLB's online license-check tool at cslb.ca.gov. You can search by the contractor's license number (up to 8 digits), business name, or the owner's name. The tool will show the license status and any complaint disclosures. [4]
What license classification do concrete contractors need in California?
Concrete contractors operate under the C-8 classification issued by the Contractors State License Board. [1]
Do I need a building permit for a concrete driveway or patio in South San Francisco?
California's Building Standards Code requires most construction to have a permit. Contact the South San Francisco building department to confirm what permits your specific project needs, since requirements vary by location. [3]
What should I ask a concrete contractor before hiring?
Ask whether the contractor will handle permitting, how they manage the project timeline, and get all terms and scope of work in writing before starting. [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 | 5 AM – 9:30 PM |
|---|---|
| Tuesday | 5 AM – 9:30 PM |
| Wednesday | 5 AM – 9:30 PM |
| Thursday | 5 AM – 9:30 PM |
| Friday | 5 AM – 4:30 PM |
| Saturday | 7 AM – 7 PM |
| Sunday | 9 AM – 5 PM |