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Metro Detroit

Septic System Installation in Metro Detroit

Compare verified septic installers for new systems, replacement drain fields and tanks. Get free quotes, check licenses, and hire with confidence.

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0Excavation Contractors profiles
6Metro counties
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Local to Metro Detroit: Detroit, Wayne, Oakland, Macomb and more
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Top Septic System Installation Pros in Metro Detroit

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Before you hire

Septic system installation in Metro Detroit: what to expect

Homes without city sewer, common in parts of Oakland, Macomb, Livingston, Lapeer and St. Clair counties, rely on a septic tank and a drain field. Installation covers a new system for a new home, a replacement when a drain field fails, or a larger system for an addition. Soggy spots over the field, slow drains and sewage odors are common signs of failure.

Michigan septic design depends on the soil. Heavy clay and a high water table, both common in parts of Metro Detroit, can mean a larger field, a raised or engineered system, or a different location on the lot. The process starts with a soil evaluation by the health department, then a permit, installation and an inspection before the system is covered. For pumping and drain problems, also see plumbers.

What a proper job includes

  • Scheduling the soil evaluation with the health department
  • Permit application with a site plan and system design
  • MISS DIG 811 ticket before digging
  • Tank set level and connected to the house sewer
  • Drain field or engineered system installed to the permit
  • Health department inspection before backfill
  • Backfill, grading and seeding of the disturbed area

What drives the price

  • System type: conventional, raised bed or engineered
  • Soil results and required drain field size
  • Tank size and material
  • Distance from the house and access for machines
  • Removal or abandonment of the old tank and field
  • Imported sand or fill for raised systems
  • Permit, design and inspection requirements

Rebuild Detroit does not publish price ranges. Get written quotes for the same scope and compare.

Permits and licensing in Michigan

Michigan septic permits are issued by the local or county health department, not the building department. In Oakland County, for example, the Health Division requires a soil evaluation with a sanitarian present, issues the permit to install, and inspects before the system is covered. Other Metro Detroit counties follow a similar process under their own sanitary codes, so contact your county health department before planning. Michigan law also requires notice to MISS DIG 811 at least three business days before digging.

Check any contractor license on the LARA lookup and ask the health department whether it keeps a list of installers who work in your county.

How to compare quotes

  1. Ask whether they have installed systems under your county health department.
  2. Confirm who schedules the soil evaluation and pulls the permit.
  3. Compare the system type and field size each installer proposes.
  4. Ask what happens to the old tank and field.
  5. Check licenses and ask for proof of insurance and warranty terms.

Ready to get started?

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Common questions

Septic System Installation FAQ

The county or local health department, such as the Oakland County Health Division. The process starts with a soil evaluation on your lot.
Test holes are dug so a sanitarian can check soil type and water table depth. The results decide the system type, size and location.
Sometimes a broken pipe or tank can be fixed, but a field clogged with solids usually needs replacement, often in a new location.
Installation is often a few days once the permit is issued. Soil evaluation, design review and weather can add weeks to the overall timeline.

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