BackflowNear Test-Due Reminder

Robert A. Tull, Inc.

Backflow testing. 7820 Airpark Rd, Gaithersburg, MD 20879

0 state-certified testers
★ 2.8 31 Google reviews
80/100 BackflowNear score

Certification

✓ On Maryland's certified backflow tester roster ✓ On the WSSC Water list✓ On the City of Rockville list Phone matches its Google profile

From the WSSC Water 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 (301) 948-2490 More testers in Maryland

Price reports

What a backflow test costs in Gaithersburg

Not enough reports yet for Gaithersburg to show a range. Be one of the first: it takes a minute and stays anonymous.

Published prices nationwide

$29.99 to $100 per assembly

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.

Had your backflow test done? Share what you paid to see local prices.

Where you will find Robert A. Tull, Inc.

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

Other backflow testers nearby

BusinessServicesDistance
Gaithersburg Plumbing, Inc.Backflow Testingunder 1 mi
Harvey W. HottelBackflow Testingunder 1 mi
Mallick Plumbing & Heating, IncBackflow Testingunder 1 mi
Maryland Plumbing and HeatingBackflow Testingunder 1 mi
Master Plumbing & MechanicalBackflow Testingunder 1 mi
The Drain GuysBackflow Testingunder 1 mi

Questions about Robert A. Tull, Inc.

Is Robert A. Tull, Inc. licensed?

Yes. Maryland records showed an active certificate when we last checked in Oct 2026. Ask to see it before work starts, since a certificate can lapse between checks.

What does Robert A. Tull, Inc. do?

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

What areas does Robert A. Tull, Inc. serve?

They are based in Gaithersburg, Maryland, within driving distance of Gaithersburg, Rockville, Silver Spring, Beltsville, Columbia. Service areas are set by the business, so confirm yours when you call.

How do I reach Robert A. Tull, Inc.?

Call (301) 948-2490.

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

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