Fireline Corporation
Backflow testing. 4506 Hollins Ferry Rd, Baltimore, MD 21227
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Price reports
What a backflow test costs in Baltimore
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Published prices nationwide
$29.99 to $100 per assembly
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.
What Fireline Corporation's website says
Services listed on Fireline Corporation's website, read October 11, 2026: fire sprinkler service. fireline.com
| It says | Details | Page |
|---|---|---|
| Service area | Baltimore, Annapolis and Aberdeen | fireline.com |
Read on fireline.com on October 11, 2026 (5 pages). This is what the business says about itself.
Where you will find Fireline Corporation
These are the city pages close enough for this business to appear on.
- Halethorpe, MD(under 1 mi)
- Baltimore, MD(2 mi)
- Glen Burnie, MD(4 mi)
- Severn, MD(8 mi)
- Jessup, MD(9 mi)
- Columbia, MD(10 mi)
- Pasadena, MD(11 mi)
- Nottingham, MD(13 mi)
Other backflow testers nearby
| Business | Services | Distance |
|---|---|---|
| T & D Plumbing & Heating Co. | Backflow Testing | under 1 mi |
| Nationwide Plumbing & Heating LLC | Backflow Testing | 2 mi |
| Tim Butler Plumbing & Heating | Backflow Testing | 4 mi |
| SJT (Stephen J Tant Plumbing LLC) | Backflow Testing | 4 mi |
| Petra Contractors, Inc. | Backflow Testing | 5 mi |
| Summit Fire & Security | Backflow Testing | 5 mi |
Questions about Fireline Corporation
Is Fireline Corporation approved to test backflow assemblies?
Fireline Corporation is on the Anne Arundel County list, as of October 6, 2026. That is the state board's list of certified backflow testers. Ask for the tester's certificate number before the test.
What does Fireline Corporation do?
Their listing covers backflow testing. Call to confirm the service you need, because offerings change.
What areas does Fireline Corporation serve?
They are based in Baltimore, Maryland, within driving distance of Halethorpe, Baltimore, Glen Burnie, Severn, Jessup. Its website names Baltimore, Annapolis and Aberdeen as areas it serves (read October 11, 2026).
How do I reach Fireline Corporation?
Call (410) 247-1422. 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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