Keep in mind, using the Wetlands Mapper and/or the Web Soil Survey is NOT the same thing as hiring a wetlands consultant and/or having the USACE do a delineation on your property (so realize, there are no guarantees with this approach). However, if you're just looking for an educated guess, both of these online tools can be used as a starting point.
“I visited the property on Sunday and most of the lot was inundated with water. It is apparent that the soil is saturated for significant periods. Based on my observations, which are consistent with the available online data, it is my opinion that the lot is unbuildable since it does not meet the minimum New York State Dept. of Health (NYSDOH) requirements for the design of an onsite septic system. NYSDOH requires at least 12 inches of native useable soil above the high groundwater level and the septic system cannot be situated in a wetland. While NYSDOH has many other requirements to comply with, these two deficiencies cannot be addressed by any approvable design.
Your buyer profile can depend on what type of property you are selling, whether the land has been developed already, its location and market conditions, among other criteria. Is your likely buyer an individual looking for a lot for a new home? Or is your buyer going to be a builder or developer looking for land for their next project? Or is your buyer some combination of those, or someone different altogether? There may be different buyers for finished lots, rural acreage or a parcel of suburban land in a thriving new home market.