Nonresidential Gross Floor Area

Nonresidential gross floor area at a parcel level within Fairfax County as of the VALID_TO date in the attribute table. Information for tax-exempt institutional properties is incomplete. For methodology and a data dictionary please view the IPLS data dictionary本数据集涵盖费尔法克斯县（Fairfax County）范围内以地块为统计单元的非住宅总建筑面积，统计时点为属性表中VALID_TO字段所标注的日期。其中，免税机构物业的相关信息尚不完整。如需了解数据编制方法与数据字典，请查阅IPLS数据字典。