In many communities there are constructions and structural edifices considered part of the real estate patrimony, representative through the historical or architectural value. Beside its value, calculated as usual in compliance with the legal requirements and International Valuation Standards, the above-mentioned constructions enhance also an extra-value accorded by the spiritual contributions to that community. The authors proposed to present as a synthesis their studies and researches prepared in this field, presenting the parameters with influence over the valuable component of the property and also the methodology to quantify them in an appraisal report.