Peninsula Custom Construction | Professional Plumbing Contractor in San Mateo, CA
San Mateo, CA 94403
Main Services
- Plumbing inspection
- Electric inspection
Q&A
As a San Mateo homeowner, what specific plumbing issues should I be aware of?
In our area, two common concerns are copper pipe corrosion and laundry hose bursts. The mineral content in our local water can accelerate corrosion in older copper plumbing, leading to pinhole leaks and reduced water pressure. We also frequently see washing machine hoses fail, which can cause significant water damage. During our plumbing inspections, we specifically check for signs of these local issues and can recommend solutions like pipe replacement or installing braided stainless steel hoses to prevent future problems.
Why is it beneficial to have one company handle both my electrical and plumbing inspections?
Using Peninsula Custom Construction for both inspections provides coordinated oversight, especially during remodels where electrical and plumbing work intersect. As a licensed General, Electrical, and Plumbing Contractor, we ensure all systems are installed to code and work together seamlessly. This prevents conflicts between trades, saves you time managing multiple contractors, and gives you a single point of accountability. Our comprehensive approach helps catch potential issues early, ensuring your project in San Mateo is safe, efficient, and built to last.
What does your electrical inspection process involve for a home addition?
Our electrical inspection for a San Mateo home addition is thorough and code-focused. We assess the existing panel's capacity to handle the new load, plan proper circuit routing, verify grounding systems, and ensure all wiring for new lighting, outlets, and appliances meets current California safety standards. We also check that the work integrates properly with the home's existing system. As your licensed electrical contractor, we handle everything from the initial inspection and permitting to the final sign-off, ensuring your addition is powered safely and reliably.
About the Company
Peninsula Custom Construction is a San Mateo county native, proudly serving our community since 2006. Starting as a general contracting firm, we've grown to become a fully integrated provider by adding our own in-house electrical and plumbing contracting services. As a licensed State of California General, Electrical, and Plumbing Contractor (CSLB #880303), we bring comprehensive oversight to every residential and commercial construction or remodel project. Our deep local roots mean we understand the specific building styles and needs of San Mateo homes and businesses. We believe in building quality and lasting relationships right here in our hometown, ensuring every project meets the high standards our community deserves.
Business Location & Hours
| Mon: | 7:00 AM - 5:00 PM |
| Tue: | 7:00 AM - 5:00 PM |
| Wed: | 7:00 AM - 5:00 PM |
| Thu: | 7:00 AM - 5:00 PM |
| Fri: | 7:00 AM - 5:00 PM |
| Sat: | Closed |
| Sun: | Closed |












