LandUse Planning Consultations in USA

Hi, My name is Alex , I am a real estate investor. At the moment I would like to try to start investing in US real estate as a foreign investor. My main direction in my country is land investing. For this, I am looking for people, living in USA, and having education and experience to work with this issues who can help me. First of all, I need a specialist in the analysis of land plots. This is a person who evaluates a land plot from the point of view 1. How many houses on this site can be built and what is the maximum area of ​​these houses 2., The presence of construction restriction on this site, for example, some kind of underground electric cable passes under the ground and it is impossible to build in this part of the site, or there will be restriction zone of a road and construction on this site under a ban in the future or some other zones of restrictions from the nearest water bodies or main roads or green plantings or something like that 3. A possible change in the zoning of a land plot, say, from agricultural land to a zone for the construction of residential buildings or like that. 4. To study the possibility of dividing a large parcel of land into small plots, and to determine how much land will go to roads on recreation lands to a retention pond, etc. I would like to find such a specialist and receive regular consultations on land plots of interest to me and other issues. I would be very glad if you could help me with this. Thanks for your attention Regards Alex