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Best Septic System Installation in Defiance, OH

Compare 7 local septic system installation providers in Defiance. Verified listings with real contact info.

7 verified providers · Updated 2026-04-07

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1

Northwest Septic Service, LLC

4.7 ★ (15 reviews)

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2

Koop’s Septic Service

4.9 ★ (58 reviews)

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3

Precision Well and Septic LLC

5.0 ★ (93 reviews)

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1

Northwest Septic Service, LLC

4.7 (15 reviews)
18204 Gipe Rd, Ney, OH 43549
Mon–Fri 8am–5pm · Sat 8am–1pm · Sun Closed
2

Koop’s Septic Service

4.9 (58 reviews)
457 S Wilhelm St, Holgate, OH 43527
Mon–Sat 6am–6pm · Sun Closed
3

Precision Well and Septic LLC

5.0 (93 reviews)
N607 Co Rd 15C, Napoleon, OH 43545
Open 24 Hours
4

Lyons Septic Tank Cleaning

5.0 (1 reviews)
9697 Co Rd 16, Wauseon, OH 43567
Mon–Fri 8am–6pm · Sat 8am–4pm · Sun Closed
5

Holland Septic Tank Services

4.7 (3 reviews)
5354 Co Rd 3, Swanton, OH 43558
6

MSS | Mastin Site Services

4.9 (135 reviews)
13323 Woodbrier Ln, Grand Rapids, OH 43522
Mon–Sat 7am–5pm · Sun Closed
7

Schwartz Septic & Excavating

5.0 (11 reviews)
Weston, OH 43569, USA

Frequently Asked Questions

How much does a new septic system cost in Pennsylvania?

A conventional septic system in Pennsylvania typically costs $10,000 to $25,000, depending on soil conditions, system type, and tank size. Alternative systems (sand mounds, drip irrigation) cost more due to additional engineering and components.

What permits are needed for septic installation in Pennsylvania?

You need a sewage permit from your local municipality, issued through the Sewage Enforcement Officer (SEO). This requires a completed site evaluation, soil testing (perc test and probe), and an approved system design. The process typically takes 4-8 weeks.

How long does septic system installation take?

The physical installation usually takes 3-5 days for a conventional system. However, the entire process from initial soil testing through final inspection can take 2-3 months, including permit processing time.

What type of septic system do I need?

The system type depends on your soil conditions, lot size, and local regulations. Conventional systems with gravity-fed drain fields are most common and affordable. If your soil doesn't perk well, you may need a sand mound, drip irrigation, or aerobic treatment system.

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