Pro Service Co, Longmont, CO: Backflow Testing

Approvals

✓ On the City of Longmont list Phone matches its Google profile

City of Longmont backflow tester contact list, as of July 7, 2026. Being on this list means the utility lets the company file backflow test reports in its water system; it is not a state license.

Ask for the certificate number of the tester who will do your test, and check that your own water utility accepts reports from this company.

Call (303) 772-2803 Visit website More testers in Colorado

Price reports

What a backflow test costs in Longmont

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Published prices nationwide

$29.99 to $100 per assembly

$0$25$50$75$100$125

Based on 14 published prices · Read Oct 2026 Prices testing businesses list on their own websites, from our cost guide. Listed prices, not what people paid.

Every published price, with its source: what a backflow test costs.

Failed test? Published repair, rebuild and replacement prices: what a backflow repair or replacement costs.

Where you will find Pro Service Co

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

Other backflow testers nearby

Business	Services	Distance
Flatiron Sprinkler CO Inc	Backflow Testing	3 mi
Streamline Plumbing, LLC	Backflow Testing	4 mi
Solid Grounds Inc.	Backflow Testing	4 mi
Wards Lawn Service, Inc	Backflow Testing	6 mi
Freedom Fire Protection, LLC	Backflow Testing	7 mi
Maddison Mechanical Inc	Backflow Testing	7 mi

Questions about Pro Service Co

Is Pro Service Co approved to test backflow assemblies?

Pro Service Co is on the City of Longmont list, as of July 7, 2026. That means the utility lets the company file backflow test reports in its system; it is not a state license. Ask for the tester's certificate number before the test.

What does Pro Service Co do?

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

What areas does Pro Service Co serve?

They are based in Longmont, Colorado, within driving distance of Longmont, Berthoud, Thornton, Westminster, Loveland. Service areas are set by the business, so confirm yours when you call.

How do I reach Pro Service Co?

Call (303) 772-2803. Their website is linked on this page.

Compiled from public records and public business information. Not an endorsement. Check licensing before you hire.

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