Concrete slab & foundation cost estimator
Estimate the cost of a new concrete slab or foundation for a garage, shed, or addition based on size and thickness.
This covers typical material, labor, and prep costs; permits and rebar reinforcement can add to the total in some cases.
Get actual quotes for this projectThis is an estimate only; a site visit is needed to confirm soil conditions and final cost.
Quote and contact requests you submit through our forms may be passed to one or more partner providers who can carry out the work, and we may receive a fee for each referral. Rankings and scores are not influenced by these fees; they follow our independent, published scoring method.
Get quotes from top-rated concrete contractors
Ranked by our published rubric from recent Google reviews, weighted by relevance to this service (the same order as the category page).
Foundation DoctorGet a quote4.9(258) 93
Groundworks Foundation Repair MatthewsGet a quote4.8(166) 90
Queen Foundation RepairGet a quote5.0(47) 83
HydroHelp911 Crawl Space & Foundation RepairGet a quote5.0(155) 93
Groundworks Foundation Repair CharlotteGet a quote4.9(2544) 91