BackflowNear Test-Due Reminder

Complete Building Services

Backflow testing. 5100 Wisconsin Ave 5th floor, Washington, DC 20016

1 utility approved list
★ 3.2 13 Google reviews
90/100 BackflowNear score

Approvals

✓ On the DC Water list Phone matches its Google profile

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.

Where you will find Complete Building Services

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

Other backflow testers nearby

BusinessServicesDistance
Unlimited Home Services LLCBackflow Testing2 mi
A&E Plumbing IncBackflow Testing4 mi
Thomas E Clark IncBackflow Testing4 mi
Durance PlumbingBackflow Testing4 mi
Magnolia Plumbing IncBackflow Testing5 mi
Acker & Sons, IncBackflow Testing5 mi

Questions about Complete Building Services

Is Complete Building Services approved to test backflow assemblies?

Complete Building Services is on the DC Water list, as of September 29, 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 Complete Building Services do?

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

What areas does Complete Building Services serve?

They are based in Washington, District of Columbia, within driving distance of Washington, Silver Spring, Rockville, Hyattsville, Alexandria. Service areas are set by the business, so confirm yours when you call.

How do I reach Complete Building Services?

Call (202) 625-5526. 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.

Claim this listing
Call Other testers