Insurers may have to reconsider valuations for thousands of residential and commercial properties in Boston as a result of FEMA’s new flood maps. Published on March 7, 2014 in FEMA’s new flood maps place thousands of Boston properties in high-risk zonesFull resolution (500 × 292) Insurers may have to reconsider valuations for thousands of residential and commercial properties in Boston as a result of FEMA’s new flood maps. Insurers may have to reconsider valuations for thousands of residential and commercial properties in Boston as a result of FEMA’s new flood maps.