Guardian Plumbing Services, Inc.
Backflow testing. 1200 W Central Ave, Davidsonville, MD 21035
Certification
Price reports
What a backflow test costs in Davidsonville
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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 Guardian Plumbing Services, Inc.'s website says
Services listed on Guardian Plumbing Services, Inc.'s website, read October 11, 2026: backflow testing, general plumbing, water heaters and drain and sewer service. guardian-plumbing.com/backflow-testing, guardian-plumbing.com
| It says | Details | Page |
|---|---|---|
| Service area | Annapolis, Edgewater and Bowie | guardian-plumbing.com |
| 24-hour service | Offered, it says | guardian-plumbing.com |
| Licences, certifications, memberships | ASSE backflow tester certification and Licensed plumbers | guardian-plumbing.com/backflow-testing |
Read on guardian-plumbing.com on October 11, 2026 (4 pages). This is what the business says about itself; we have not checked the credentials it names with the issuing body.
Where you will find Guardian Plumbing Services, Inc.
These are the city pages close enough for this business to appear on.
- Upper Marlboro, MD(4 mi)
- Annapolis, MD(9 mi)
- Hyattsville, MD(14 mi)
- Severn, MD(15 mi)
- Beltsville, MD(16 mi)
- Pasadena, MD(17 mi)
- Jessup, MD(18 mi)
- Washington, DC(18 mi)
Other backflow testers nearby
| Business | Services | Distance |
|---|---|---|
| The Severn Group | Backflow Testing | 4 mi |
| Welch & Rushe Inc | Backflow Testing | 4 mi |
| Naumann Plumbing | Backflow Testing | 5 mi |
| First Class Plumbing LLC | Backflow Testing | 8 mi |
| Mid-Atlantic Plumbing & Water Treatment | Backflow Testing | 8 mi |
| Howard Plumbing | Backflow Testing | 9 mi |
Questions about Guardian Plumbing Services, Inc.
Is Guardian Plumbing Services, 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 Guardian Plumbing Services, Inc. do?
Their listing covers backflow testing. Call to confirm the service you need, because offerings change.
What areas does Guardian Plumbing Services, Inc. serve?
They are based in Davidsonville, Maryland, within driving distance of Upper Marlboro, Annapolis, Hyattsville, Severn, Beltsville. Its website names Annapolis, Edgewater and Bowie as areas it serves (read October 11, 2026).
How do I reach Guardian Plumbing Services, Inc.?
Call (301) 261-7481. 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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