Critical Area law governs waterfront
Within 1,000 feet of tidal water, Maryland's Critical Area programme classifies land and restricts development accordingly. Resource conservation area designation permits roughly one dwelling per twenty acres, which is a severe constraint on a parcel a buyer might otherwise see as subdividable.
There are also buffer requirements along the shoreline, limits on impervious surface, and provisions governing vegetation removal. Before valuing waterfront acreage, establish the Critical Area classification and what it permits.
Agricultural preservation easements are permanent
Maryland has purchased development rights on a large amount of farmland through state and county programmes. An eased parcel is permanently restricted to agricultural use, with limited or no residential development rights beyond what the easement specifies.
This shows in the price, and for a buyer who wants a working farm it can represent good value. For a buyer imagining eventual subdivision it is disqualifying. Read the easement document rather than the listing description.
Forest conservation and stormwater
The Forest Conservation Act applies to development and subdivision above thresholds, requiring forest stand delineation and retention or replacement obligations. Maryland also has stringent stormwater management requirements that affect site design and cost.
These matter most for anyone planning subdivision or substantial development rather than a single home.
What to verify
Critical Area classification on any parcel near tidal water. Agricultural easement status and terms. County zoning and minimum lot size. Septic feasibility, which Maryland regulates carefully near the Bay. The risk scorecard covers the fundamentals.