Gundlach Sheet Metal, Sandusky, OH: Backflow Testing

Approvals

✓ On the Ottawa County list Phone matches its Google profile

Ottawa County area Ohio Department of Commerce certified backflow testers, as of August 5, 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.

Certified tester	Certificate	Expires
Lewis F. Rosen Jr	11686	May 2027

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 (419) 625-1037 Visit website More testers in Ohio

Price reports

What a backflow test costs in Sandusky

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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.

What Gundlach Sheet Metal's website says

Services listed on Gundlach Sheet Metal's website, read October 11, 2026: general plumbing. gundlachsheetmetal.com

It says	Details	Page
Service area	Erie, Ottawa, Sandusky and Huron counties; Port Clinton	gundlachsheetmetal.com
Founding year	Established in 1889	gundlachsheetmetal.com
Licences, certifications, memberships	Licensed plumbers	gundlachsheetmetal.com/commercial-hvac-installation-repairs

Read on gundlachsheetmetal.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 Gundlach Sheet Metal

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

Other backflow testers nearby

Business	Services	Distance
KJC Mechanical	Backflow Testing	2 mi
Starcher Enterprises, LLC	Backflow Testing	6 mi
Ohler & Holzhauer	Backflow Testing	13 mi
H&H Plumbing & Heating, LLC	Backflow Testing	13 mi
Rick Evans Plbg-Htg-Air Cond	Backflow Testing	22 mi
Automatic Fire Protection	Backflow Testing	23 mi

Questions about Gundlach Sheet Metal

Is Gundlach Sheet Metal approved to test backflow assemblies?

Gundlach Sheet Metal is on the Ottawa County list, as of August 5, 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 Gundlach Sheet Metal do?

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

What areas does Gundlach Sheet Metal serve?

They are based in Sandusky, Ohio, within driving distance of Sandusky, Fremont, Mansfield, Toledo, Perrysburg. Its website names Erie, Ottawa, Sandusky and Huron counties and Port Clinton as areas it serves (read October 11, 2026).

How do I reach Gundlach Sheet Metal?

Call (419) 625-1037. 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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