Currently at the Sochi real estate market of construction of apartment buildings is increasing every month. In this case, the cost of apartments in some new buildings is almost two times lower than in others. Buyer Apartments in the primary market, before concluding a contract with the developer, it is worth considering why the price per square meter of housing in the houses located in the same neighborhood so different? To find the answer to this question we must answer a number of other important issues. 1. Why the high cost per square meter in a new building? The relationship between the developer and the buyers of apartments in newly built apartment house regulates the Federal Law 214 from 13.12.2004 "On Participation in the shared construction of apartment buildings and other real estate and on amending some legislative acts." According to this law, the relationship arise between the parties after the signing of a joint construction, according to which developer has the right to raise funds to customers only after obtaining permission to build, publish and providing project declaration and registration of ownership of property developer Land provided for the construction of an apartment building or lease of such land plot. Developer is obliged to deliver the apartment of a quality that conform to the contract, the technical regulations, design documentation, and town planning regulations, and other mandatory requirements within the period stipulated by the contract. By way of derogation from the conditions of the contract, which led to the deterioration of the quality of the object, the buyer of their choice may require the developer Free deficiencies, reducing the price or reimbursement of its expenditures to address the deficiencies.