Lateral and subjacent support
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| Property law |
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| Part of the common law series |
| Acquisition of property |
| Gift · Adverse possession · Deed |
| Lost, mislaid, and abandoned property |
| Bailment · Licence |
| Estates in land |
| Allodial title · Fee simple |
| Life estate · Fee tail · Future interest |
| Concurrent estate · Leasehold estate |
| Condominiums |
| Conveyancing of interests in land |
| Bona fide purchaser · Torrens title |
| Estoppel by deed · Quitclaim deed |
| Mortgage · Equitable conversion |
| Action to quiet title |
| Limiting control over future use |
| Restraint on alienation |
| Rule against perpetuities |
| Rule in Shelley's Case |
| Doctrine of worthier title |
| Nonpossessory interest in land |
| Easement · Profit |
| Covenant running with the land |
| Equitable servitude |
| Related topics |
| Fixtures · Waste · Partition |
| Riparian water rights |
| Lateral and subjacent support |
| Assignment · Nemo dat |
| Other areas of the common law |
| Contract law · Tort law |
| Wills and trusts |
| Criminal Law · Evidence |
Lateral and subjacent support, in the law of property, describes the right a landowner has to have that land physically supported in its natural state by both adjoining land and underground structures. If a neighbor's excavation causes the landowners land to cave in, the neighbor will be subject to strict liability in a tort action. The neighbor will also be strictly liable for damage to buildings on the landowner's property if the landowner can show that the weight of the buildings did not contribute to the collapse of the land. If the landowner is unable to make such a showing, the neighbor must be shown to have been negligent for the landowner to recover any damages.
Because the landowner owns everything beneath the ground on his property, he may convey to another party the rights to mineral deposits under the land, and other things requiring excavation. However, such a conveyance requires the recipient to prevent any damage to the surface of the land caused by the excavation, unless the conveyance itself grants express authority for the surface land to be damaged "as reasonably necessary" for the recipient to exercise his extraction rights.
