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AS
Advance Systems And Design
✓ License checked (CA #626704, Nov 2026)Insurance not provided yet
Can they do my job?
Not given yet.Plumbers usually handle:
Drain clearingClogged toilet repairFaucet installation and repairFixture installation (sinks, tubs, showers)Toilet installation and repairPipe repair and repipingLeak detectionWater heater installation
Set up from the California CSLB public license list (sources). The business hasn’t claimed this page yet, so details are limited.
Are they licensed and insured?
Plumbers: CA #626704 · C-36 Plumbing license, checked on the California CSLB public license list, Nov 2026 · expires Aug 2027
Workers’ comp: policy on file with CSLB.
Insurance not provided yet. Ask the pro before you hire.
Where do they work?San Mateo County
Towns served Redwood City, San Jose, San Francisco, Oakland, Fremont, Hayward, Sunnyvale, Santa Clara, Daly City, San Mateo, Chinatown, San Leandro, Mountain View
Approximate area, about 25 miles around Redwood City. Near the edge? Ask the pro.
What will it cost?
Advance Systems And Design sets its own price; ask for a written quote. For context, plumbers in the San Jose–Sunnyvale–Santa Clara area earn $36.56–$74.81 an hour (median $51.71).
U.S. Bureau of Labor Statistics, May 2025
What changes the price →What should I ask them?
- Can I see your California license number? I’ll check it with the state board.
- Is this a fixed price or by the hour?
- What exactly is included, and what would cost extra?
- Do you carry liability insurance? Can you send the certificate?