Manufactured housing

Prefabricated homes that can range from simple trailers to larger dwellings.

Maintenance fee

The monthly assessment members of a homeowners' association pay for the repair and maintenance of common areas.

Margin

"The lender's ""retail markup"" on the mortgage. For example, if the index rate for an adjustable-rate mortgage is 5 percent but the lender has a 2.5 percentage-point margin, the rate the borrower will pay is 7.5 percent."

Market conditions

Factors affecting the sale and purchase of homes at a particular point in time.

Market value

The price that a piece of property sells for at a particular point in time.

Mechanical systems

"A home's plumbing, wiring, heating and cooling systems."

Mechanic's lien

"Subcontractors or suppliers sometimes will file an encumbrance, or mechanic's lien, against a property to seek payment."

Mediation

A dispute-resolution process in which a neutral party works to resolve contract differences.

Move-up buyer

A buyer who has purchased a home before and is looking for a bigger or more expensive home.

Multidwelling property

A property that contains individual units for several households but carries only one mortgage.

Multifamily mortgage

"A mortgage on a multifamily dwelling with more than four families, typically an apartment building."

Multiple listing service (MLS)

"The service combines the listings for all available homes in an area, except For-Sale-By-Owner (FSBO) properties, in one directory or database."

Multiple offers

Multiple purchase offers occur in hot markets or hot neighborhoods.

Municipal housing inspector

Inspectors employed by cities or counties to check all construction sites and verify that contractors are meeting building codes.