Is it legal for the property to build parking spaces in public areas without authorization?

Illegal. Some areas of the community belong to all owners, and the property has no right to set up parking spaces privately.

According to Article 66 of the Regulations on Property Management, in case of any of the following acts, the real estate administrative department of the local people's government at or above the county level shall order it to make corrections within a time limit, give it a warning and impose a fine in accordance with the provisions of the second paragraph of this article; The proceeds will be used for the maintenance of * * * parts and * * * facilities in the property management area, and the rest will be used according to the decision of the owners' meeting: (1) changing the use of planned public buildings and * * * facilities in the property management area without authorization; (two) unauthorized occupation and excavation of roads and sites within the property management area, which harms the interests of the owners; (three) unauthorized use of property * * * with parts, * * with facilities and equipment for business. Individuals who commit one of the acts listed in the preceding paragraph shall be fined 1000 yuan or more and 10000 yuan or less; If a unit commits one of the acts listed in the preceding paragraph, it shall be fined between 50,000 yuan and 200,000 yuan.