- LEED certification A consultant that helps to ensure that a building project will achieve LEED certification.
- labeling Objects or places which identify or call attention to something in the immediate vicinity.
- labor union office Administrative space designated for use by a workers' union.
- lacrosse A field suitable for lacrosse, with a netted goal at each end.
- laminate Flooring made of particleboard or reconstituted wood sheets held together or sealed with laminating material.
- lamp store Retail space specializing in appliances for illuminating spaces.
- land cost The price asked or paid for the raw land belonging to a property at any time.
- land form An outdoor site which is built as a distinct object, yet is not regarded as a structure.
- land parcel A single contiguous piece of land which is bought, sold, or owned as a unit.
- land-line phone transmission A major hub for transmission or relay of wired telephone signals.
- landfill A large area formed by piling up waste material.
- landing lights A site or object displaying guide lights for landing aircraft.
- landmark status Legal protection of a built object for its public value.
- landscape architect A company which designs the arrangement of plants and decorative elements in or around a structure.
- landscape building A contractor which plants and builds the landscape in or around a building.
- landscape maintenance Companies contracted to maintain the existing landscape around or in a structure.
- landscaped area An outdoor site where ornamental plantings or natural features are arranged in a controlled environment.
- language school Classroom space at a facility specializing in language lessons.
- lantern A building summit formed by a decorative housing for a light source.
- large mammal exhibit A zoo habitat for housing and displaying large mammals, such as elephants, rhinos, buffalo, zebras, giraffes, etc.
- laser tag A site designated for games where opponents shoot each other with infrared ray guns in simulated combat.
- laser therapy A medical clinic specializing in the use of lasers for treatment or diagnosis.
- last name The family name of an individual, used as part of his or her name.
- last tower crane dismantling begins The last tower crane used in the construction of a structure begins to be dismantled.
- last window installed The last window on the surface of a structure is fixed in its designed place.
- latex Flooring using a thick coating of latex, a polymer similar to rubber.
- latin american fast food A fast food restaurant specializing in Latin American cuisine, where food is ordered and picked up at a counter.
- latitude The distance of any point north or south of the equator, measured in degrees.
- laundromat A site for cleaning and drying clothes with machines.
- laundry area A common area with washing and drying machines, open to all tenants.
- laundry in unit Clothes washing facilities are available in each individual suite or unit.
- law and taxes Companies, firms, and entities which provide legal and tax-related services.
- law firm A provider of legal advice and representation.
- law office Office space used exclusively by one or more law firms or small practices.
- law school Classroom space for higher education in the study of law and jurisprudence.
- lead mine A site where naturally occurring lead ore is extracted from the earth.
- leaning overhang distance The length of ground overhung by a leaning structure, perpendicular to its perimeter at the base.
- lease A contract giving usage rights to a property for a limited time.
- lease runtime The scheduled contractual extent of a lease contract specified by the owner.
- leased housing Homes which are rented out or otherwise provided on a limited-duration basis.
- leasing company A company in charge of leasing a property to non-owning users.
- lebanese restaurant A restaurant specializing in Lebanese cuisine.
- led lighting Electroluminescent room lighting using light-emitting diodes.
- legal entity identifier A 20-character identifier for persons or other entities that engage in financial transactions.
- legal form The legal form of a company is the form it takes in the eyes of the law governing it.
- legislation Government headquarters buildings where laws are made at any level.
- leisure Places used for enjoying free time.
- length Measurements of horizontal, diagonal, or travel distances between two defined extreme points.
- length of display windows The cumulative length of windows used to display merchandise.
- level The hierarchical position of a listed company entry.
- level ground A main entrance is flush with the ground level outside.
- liberal arts college Classroom or study space at an institution which offers strictly undergraduate degrees in liberal arts.
- library A collective storehouse and reading area for books.
- lifecycle Fields which describe the past, present, and future of an object.
- lifecycle event A significant event in the life cycle of a structure.
- lifeguard station A place near a body of water designated for safety surveillance by trained lifeguards.
- light court A space surrounded by a building which is open to the sky and has no accessible space at the bottom.
- lighthouse A structure designed to mark a coastline with a highly visible navigation light.
- lighting consultant A company which designs and directs the arrangement of lighting fixtures in or on a structure.
- lighting control system An automatic system which optimizes lighting usage throughout a building or structure.
- lighting installation A contractor which installs lighting fixtures on a building-wide basis.
- lighting manufacturer A company which manufactures the lighting equipment in a built object.
- lighting power density The amount of electricity used to light a space.
- lighting system The basic format of electrical structure or appliance used to illuminate the interior of a building.
- lightning protection Special rods and pathways to channel lightning and protect a structure from a strike.
- lightning protection fabricator A manufacturer of lightning rods or lightning protection systems.
- lime A bright shade of light green; one of the three additive primary colors.
- limestone An evenly colored rock formed from calcium deposits.
- limestone Flooring made from blocks or sheets of natural limestone.
- limestone quarry A site where sedimentary calcium rock is extracted from the earth in large blocks or sheets.
- linear numbering House numbering which proceeds up a street in one direction without alternating between sides.
- linear structure A long, narrow elevated structure of potentially indefinite length.
- linoleum Flooring made of tiles or sheets of linoleum, a rubbery mixture of organic and mineral substances on a fibrous backing.
- liquid storage tank A liquid storage tank is a container used for holding liquids.
- liquor store A shop specializing in alcoholic beverages.
- listing type The general terms of availability specified in a property listing.
- load-bearing wall foundation A foundation in which the slurry wall or a vertical slab provides major load-bearing structural support.
- loan office A retail branch specializing in offering loans to customers, without additional banking services.
- lobby height The maximum floor-to-ceiling height in a building's lobby.
- lobby renovation begins Major physical changes in a building's lobby are begun.
- lobby renovation ends Major physical changes in a building's lobby are completed.
- local bus terminal A major station or end point for multiple local bus routes.
- local courthouse A court of law operated by a municipality, township, or other local government.
- local landmark protection An object accorded official recognition and protection by its municipal government.
- location number A number or alphanumeric string which indicates the precise location of an object.
- lock A gated channel enabling ships to transition between two levels or sections of water.
- locksmith A business site where skilled tradespeople provide goods and/or services concerning locks and keys.
- lodging Space used for temporary living quarters.
- logistics center A site or terminal for holding goods briefly within the distribution cycle.
- logs A facade composed of round logs joined in parallel formation.
- long-distance bus terminal A terminal or major station for long-distance intercity bus routes.
- longeing A training area for horses where they perform tasks on a circular path while tied to a trainer in the center.
- longitude The distance of any point east or west of the Greenwich line, measured in degrees.
- loose fill Insulation consisting of disconnected pieces or bagged material which is stuffed or fitted into walls.
- lot area The total area of the land plot that a built object sits on.
- louvered A window which is divided into multiple panes which swing open on parallel hinges.
- low building Any regular enclosed building which is divided into fewer than 10 regular floors.
- low-rise building An enclosed structure which is divided into fewer than 10 regular occupiable levels.
- lowest floor depth The vertical distance between base level and the lowest usable floorplate of a structure or module.
- luggage store A shop specializing in suitcases, carrying bags, and other luggage.
- lutheran church A house of worship in the Lutheran faith.