Foundation Excavation in Metro Detroit
Compare verified excavation contractors for basements, footings, crawl spaces and additions. Get free quotes, check licenses, and hire with confidence.
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Top Foundation Excavation Pros in Metro Detroit
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Foundation excavation in Metro Detroit: what to expect
Foundation excavation is the dig for a new house, an addition, a garage slab or a basement. The excavator follows the surveyor stakes and the plans to reach the footing depth, keeps the bottom flat and undisturbed, and leaves room around the walls for forming and waterproofing. Getting the depth and layout right saves trouble for every trade that follows.
Metro Detroit clay is strong when undisturbed but turns soft when wet, and groundwater can show up in a basement dig, especially near lakes and rivers. Older Detroit and inner ring lots can hide old foundations, rubble and abandoned utility lines. Plan where the spoils go: much of the clay is not good backfill. For wall and slab work after the dig, see foundation contractors or concrete foundations.
What a proper job includes
- Review of plans, survey stakes and footing depth
- MISS DIG 811 ticket placed before digging
- Topsoil stripped and stockpiled for later use
- Excavation to the plan depth with a clean, level bottom
- Over dig around walls for forming and waterproofing
- Dewatering if groundwater collects in the hole
- Spoils stockpiled on site or hauled away as agreed
What drives the price
- Footprint size and dig depth: slab, crawl space or full basement
- Soil type, groundwater and need for pumping
- Rock, old foundations or buried debris
- Access for the excavator and dump trucks
- Hauling spoils off site versus keeping them for backfill
- Trench protection or shoring near property lines
- Soil erosion controls and permit requirements
Rebuild Detroit does not publish price ranges. Get written quotes for the same scope and compare.
Permits and licensing in Michigan
A new foundation or addition needs a building permit from the local building department (BSEED in Detroit), usually pulled by the builder before the dig. Michigan law requires notice to MISS DIG 811 at least three business days before excavating. Earth changes of one acre or more, or within 500 feet of a lake or stream, generally need a Part 91 soil erosion permit from the county or municipal enforcing agency.
Paid residential excavation above a threshold set by state law requires a LARA license: a Maintenance & Alteration license listing Excavation, or a Residential Builder license. Check the number on the LARA lookup.
Verify: LARA license lookup MISS DIG 811 and safe digging (MPSC) Soil erosion permits (EGLE) How We Vet
How to compare quotes
- Give every contractor the same plans, survey and footing depth.
- Ask how they handle groundwater and soft soil at the bottom.
- Confirm whether hauling spoils and backfill are included.
- Ask who places the MISS DIG ticket and who handles erosion controls.
- Check the LARA license and ask for proof of insurance.
- Ask what they charge if they hit rock, rubble or old foundations.
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Foundation Excavation FAQ
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