Real estate

Real estate consists of land, buildings, and other improvements that are fixed to the land, while the associated legal rights determine how the property may be possessed, used, transferred, or encumbered.¹ In legal terminology, real property generally includes the physical land and these interests; the boundary between fixtures and movable personal property can depend on the object’s attachment and the circumstances of its installation.

Ownership is often described as a bundle of rights rather than a single absolute power. A title may include possession, exclusion, transfer, and development rights, but these can be limited by zoning, easements, building codes, environmental rules, taxation, mortgages, or covenants. A lease gives a tenant possession for a defined period without transferring the owner’s underlying title. Governments may also acquire or restrict property interests through eminent domain, conservation easements, or land-use regulation.

Real-estate markets allocate space for housing, commerce, industry, agriculture, recreation, and public functions. Major categories include residential property, commercial property, industrial property, agricultural land, and undeveloped land; mixed-use projects combine several purposes in one site or district.

Transactions commonly involve owners, buyers, tenants, developers, lenders, appraisers, brokers, insurers, surveyors, attorneys, planners, and public agencies. A property’s price reflects expected income or usefulness as well as location, scarcity, construction quality, financing conditions, and perceived risk. New construction is tracked separately from existing-home transactions, and official statistical programs distinguish such measures as building permits, housing starts, completions, and sales.³ Public policy also shapes demand through mortgage rules, infrastructure investment, zoning, housing assistance, and neighborhood planning.⁴

Most valuable real estate is purchased or developed with a mixture of equity and debt, making mortgage finance central to the sector. A mortgage gives a lender a security interest in the property; failure to meet the loan terms can lead to foreclosure, subject to the law of the relevant jurisdiction. Investors may also acquire property through partnerships, corporations, or real-estate investment trusts, which can pool capital and hold diversified portfolios.

Valuation estimates what a property or interest is worth for a stated purpose and date. Appraisers may compare similar sales, capitalize expected rental income, or estimate the cost of replacing improvements. Taxes can apply to ownership, transfers, rental income, and gains from sale. In the United States, the Internal Revenue Service treats rental property through rules concerning income, expenses, depreciation, and disposition.⁵ These rules differ from those governing a personal residence or property held primarily for sale.

Real estate includes many interests that are less visible than a conventional home sale. An easement can allow another party to cross or use part of a parcel; a mineral estate can separate underground-resource rights from surface ownership; and a condominium divides a building into privately owned units while sharing common elements. Air rights, water rights, development rights, and conservation restrictions may likewise be transferred or limited independently of ordinary possession.

Location creates both economic opportunity and physical exposure. Floodplains, wildfire zones, subsidence, contamination, and sea-level rise can affect insurability, lending, maintenance, and resale even when a structure appears sound. Historic-preservation designations may protect architectural character while constraining alterations. Real-estate brokerage is also a distinct occupation involving marketing, negotiations, contracts, and licensing requirements that vary by jurisdiction.⁶ These edge cases show why a parcel’s practical value depends on records, infrastructure, regulation, and risk—not merely on its building.

Real property

Land, attached improvements, and the legal interests connected with them.

Fixture

An item once movable that has become legally associated with land through attachment or intended permanent use.

Easement

A nonpossessory right to use or restrict part of another person’s land for a specified purpose.

Leasehold

A tenant’s possessory interest in property for the period and conditions established by a lease.

Mortgage

A loan secured by an interest in real estate.

Capitalization rate

A ratio used to relate a property’s net operating income to an indicated value.