It is appreciated that the pattern of real estate prices is observed in many cities and the valuation of homes is a topic of interest. This is due to factors that create and modify its value: physical, economic, social and political. The scarcity of land to build, an increase in the population that demands the acquisition of housing, the establishment of businesses and the generation of sources of employment that denote liquidity in a society also influence. The objective of this work was to categorize the valuation of single-family homes as a means of control in Orizaba, Veracruz, Mexico, the proposed valuation method called "marketing method", takes up procedures of the cost approach, a method which allowed finding a factor of quality that was applied to real estate in a fair way and not based on business profit interests and favoring the inhabitants who use a mortgage and / or housing loan.