What areas does Darwyn's Plumbing serve?

We serve Cahokia and 19 communities across the St. Louis Metro-East area including Belleville, O'Fallon, Shiloh, Swansea, Fairview Heights, Collinsville, Edwardsville, Glen Carbon, Troy, Maryville, Caseyville, Granite City, Alton, Mascoutah, Lebanon, Millstadt, Smithton, Waterloo, and East St. Louis.

Do you offer 24-hour emergency plumbing service?

Yes. We are available 24 hours a day, 7 days a week, 365 days a year. Call (618) 337-9322 and a real person will answer.

How much does a service call cost?

Standard service calls are $99 during normal business hours (Mon-Fri 8AM-5PM, Sat 8AM-2PM). After-hours emergency service is $299. The service call fee is applied toward the cost of your repair.

Is Darwyn's Plumbing licensed and insured?

Yes. We are fully licensed and insured for residential and commercial plumbing work in Illinois.

Preventive Care

Plumbing Maintenance & Inspections

The best plumbing emergency is the one that never happens. Darwyn's Plumbing offers preventive maintenance and thorough inspections to catch small issues before they become major repairs — saving you time, money, and stress.

Call (618) 337-9322 Schedule Inspection

✓ Video Camera Inspections✓ Water Heater Flushing✓ Annual Maintenance Plans✓ Pre-Purchase Inspections

Maintenance & Inspection Services

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Video Camera Pipe Inspection

We run a high-definition camera through your drain lines and sewer main to reveal cracks, root intrusion, offset joints, and buildup — no guessing, no unnecessary digging.

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Water Heater Flush & Inspection

Annual flushing removes sediment that reduces efficiency and causes premature failure. We inspect the anode rod, pressure relief valve, and connections at the same time.

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Full Plumbing Inspection

Comprehensive inspection of supply lines, drains, fixtures, water heater, sump pump, and visible pipe conditions throughout your home.

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Pre-Purchase Home Inspection

Buying a home? Our plumbing inspection identifies hidden problems — corroded pipes, root intrusion, sump pump failure, aging water heater — before you close.

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Annual Drain Cleaning

Scheduled drain cleaning prevents slow drains from becoming full blockages. We clear kitchen, bathroom, and main sewer lines on a routine basis.

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Pressure Testing

We test your home's water pressure and check for hidden leaks using pressure gauge tests that reveal issues in closed sections of your plumbing.

Annual Plumbing Maintenance Checklist

✓Flush water heater

Annually

✓Inspect anode rod in water heater

Every 2–3 years

✓Test pressure relief valve

Annually

✓Video inspect main sewer line

Every 3–5 years

✓Clear slow drains before they block

Annually or as needed

✓Inspect sump pump & test float switch

Before rain season

✓Check water pressure

Annually

✓Inspect supply lines under sinks

Annually

✓Test all shutoff valves

Annually

✓Inspect toilet flapper and fill valve

Annually

Let us handle your annual plumbing maintenance — call to schedule a comprehensive home inspection.

Schedule Your Plumbing Inspection

Preventive maintenance costs far less than emergency repairs. Book your inspection today.

Call (618) 337-9322