The process involves lifting a settled or slanted slab of concrete typically using heavy machinery. Then the company drills holes through the lifted slab in order to pump a concrete mixture called mud below it. When this concrete dries, the concrete slab is now supported back into its original flat surface.
The price you'll pay for mudjacking & concrete leveling depends on a number of factors that are unique to your home.
If a concrete mudjacking company gives you a high estimate, make sure to check with other companies to see if this prospective cost is reasonable.
Various organizations can certify mudjacking & concrete leveling professionals, and each of these organizations ensures that mudjackers have what it takes to get the job done right. Ask for a copy of your mudjacking company's certification paperwork, if they're insured and if they're in compliance with all of the state and local regulations relevant.
You can learn a lot about a company from how they respond to a request for referrals. Call around and ask previous customers about your prospective mudjacking company's record, and then take a look at their reviews here to fill in the gaps.