Best Septic Tank Replacement in Defiance, OH

Compare 8 local septic tank replacement providers in Defiance. Verified listings with real contact info.

8 services listed

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Northwest Septic Service, LLC

4.7 ★ (15 reviews)

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Koop’s Septic Service

4.9 ★ (58 reviews)

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Precision Well and Septic LLC

5 ★ (93 reviews)

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Northwest Septic Service, LLC

18204 Gipe Rd, Ney, OH 43549

Monday: 8:00 AM – 5:00 PM | Tuesday: 8:00 AM – 5:00 PM | Wednesday: 8:00 AM – 5:00 PM | Thursday: 8:00 AM – 5:00 PM | Friday: 8:00 AM – 5:00 PM | Saturday: 8:00 AM – 1:00 PM | Sunday: Closed

4.7 ★

15 reviews

service

Koop’s Septic Service

457 S Wilhelm St, Holgate, OH 43527

Monday: 6:00 AM – 6:00 PM | Tuesday: 6:00 AM – 6:00 PM | Wednesday: 6:00 AM – 6:00 PM | Thursday: 6:00 AM – 6:00 PM | Friday: 6:00 AM – 6:00 PM | Saturday: 6:00 AM – 6:00 PM | Sunday: Closed

4.9 ★

58 reviews

service

Precision Well and Septic LLC

N607 Co Rd 15C, Napoleon, OH 43545

Monday: Open 24 hours | Tuesday: Open 24 hours | Wednesday: Open 24 hours | Thursday: Open 24 hours | Friday: Open 24 hours | Saturday: Open 24 hours | Sunday: Open 24 hours

5 ★

93 reviews

service

Lyons Septic Tank Cleaning

9697 Co Rd 16, Wauseon, OH 43567

Monday: 8:00 AM – 6:00 PM | Tuesday: 8:00 AM – 6:00 PM | Wednesday: 8:00 AM – 6:00 PM | Thursday: 8:00 AM – 6:00 PM | Friday: 8:00 AM – 6:00 PM | Saturday: 8:00 AM – 4:00 PM | Sunday: Closed

5 ★

1 reviews

service

Roberts Sewer Service

805 N Agner St, Ottawa, OH 45875

Monday: 8:00 AM – 5:00 PM | Tuesday: 8:00 AM – 5:00 PM | Wednesday: 8:00 AM – 5:00 PM | Thursday: 8:00 AM – 5:00 PM | Friday: 8:00 AM – 5:00 PM | Saturday: 8:00 AM – 12:00 PM | Sunday: Closed

4.3 ★

19 reviews

plumber

Holland Septic Tank Services

5354 Co Rd 3, Swanton, OH 43558

4.7 ★

3 reviews

service

MSS | Mastin Site Services

13323 Woodbrier Ln, Grand Rapids, OH 43522

Monday: 7:00 AM – 5:00 PM | Tuesday: 7:00 AM – 5:00 PM | Wednesday: 7:00 AM – 5:00 PM | Thursday: 7:00 AM – 5:00 PM | Friday: 7:00 AM – 5:00 PM | Saturday: 7:00 AM – 5:00 PM | Sunday: Closed

4.9 ★

135 reviews

service

Schwartz Septic & Excavating

Weston, OH 43569, USA

5 ★

11 reviews

general_contractor

Frequently Asked Questions

When does a septic tank need to be replaced?

A tank needs replacement when it has severe structural damage, extensive corrosion (common in older steel tanks), multiple large cracks, or when it's too small for current household usage. Concrete tanks can last 40+ years, while steel tanks often need replacement after 15-25 years.

How much does it cost to replace a septic tank in Pennsylvania?

Septic tank replacement in Pennsylvania typically costs $3,000 to $7,000, including removal of the old tank, a new concrete or fiberglass tank, and reconnection to existing lines. Costs vary based on tank size, accessibility, and whether the drain field needs modification.

Can I upgrade to a larger tank during replacement?

Yes, upgrading to a larger tank during replacement is common and recommended if your household has grown. A larger tank means less frequent pumping and better treatment. Your SEO will need to approve the new tank size and verify compatibility with your existing drain field.

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