DuVall Lawn Care Inc., St Joseph, MO: Backflow Testing

Certification

✓ On Missouri's certified backflow tester roster Phone matches its Google profile

Certified tester	Certificate	Expires
Calvin DuVall	34-13182	October 2028
Brian L. DuVall	34-0358	February 2027

From the Missouri Department of Natural Resources roster, read October 6, 2026. The roster lists people, not companies; these are the certified testers it lists for this business. Ask which tester will do your test, and your utility may also require the tester to be registered with it.

Call (816) 662-2222 Visit website More testers in Missouri

Where you will find DuVall Lawn Care Inc.

These are the city pages close enough for this business to appear on.

Other backflow testers nearby

Business	Services	Distance
Archer Lawn Care Inc.	Backflow Testing	4 mi
City of St. Joseph Parks & Rec	Backflow Testing	8 mi
Grass Roots	Backflow Testing	8 mi
Freidel's Lawn & Landscaping	Backflow Testing	8 mi
Archdekin & Jones Plumbing and Heating	Backflow Testing	8 mi
Caretaker Landscape & Irrigation	Backflow Testing	9 mi

Questions about DuVall Lawn Care Inc.

Is DuVall Lawn Care Inc. licensed?

Yes. Missouri records showed an active certificate (#34-0358) when we last checked in Oct 2026. Ask to see it before work starts, since a certificate can lapse between checks.

What does DuVall Lawn Care Inc. do?

Their listing covers backflow testing. Call to confirm the service you need, because offerings change.

What areas does DuVall Lawn Care Inc. serve?

They are based in St Joseph, Missouri, within driving distance of St Joseph, Platte City, Smithville, Liberty, Parkville. Service areas are set by the business, so confirm yours when you call.

How do I reach DuVall Lawn Care Inc.?

Call (816) 662-2222. Their website is linked on this page.

Is this your business?

Claim this listing free: add the utilities you file with, your service area and your residential test price, and get annual test-due requests from property owners.

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