20 Union Wh 20Boston, MA 02109
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20 Union Wh 20 is a Condominium built in 1855 located in Boston, SUFFOLK County, MA. The home has 2,290 square feet of living area on a 5.37-acre lot.
20 Union Wh 20 is in FEMA flood zone AE. This is a Special Flood Hazard Area (SFHA) where flood insurance is typically required for federally backed mortgages. The property falls within a Category 1 hurricane storm surge inundation zone based on NOAA SLOSH modeling. This property is at risk of inundation under a 1-foot sea level rise scenario. The FEMA National Risk Index composite rating for this area is Very Low. The ASCE 7-22 design wind speed for this location is 123 mph. The ground snow load is 40 psf. The EPA radon zone is 1 (highest potential).
NE Provenance rates the fire protection for 20 Union Wh 20 at Grade A (Excellent fire protection access). The nearest fire station, BOSTON FIRE DEPARTMENT, is 0.1 miles away. This grade reflects fire station proximity, department capabilities, hydrant coverage, and municipal water infrastructure. Properties with Grade A or B typically receive favorable insurance rates due to strong fire protection infrastructure.
Municipal records show 1 building permit on file for 20 Union Wh 20. The most recent permit was filed October 4, 2022. In the past five years, 1 permit has been issued. The current municipal assessment is $3,406,500.
20 Union Wh 20 is classified as a waterfront property. The property is located within a designated historic district. Dam exposure is rated Moderate.
20 Union Wh 20 is located in Boston, SUFFOLK County, MA. The property is zoned Art42A_NORTH END WATERFRONT SUBDISTRICT (Waterfront). The median home value in this census tract is $1,001,800. Median household income is $200,001. The owner-occupancy rate in the surrounding area is 38%. The property is served by the Boston school district.
The complete NE Provenance report for 20 Union Wh 20, Boston, MA includes over 430 data attributes sourced from 140+ public and proprietary datasets. The full report covers building construction and materials, NEP Condition Estimate derived from permit history, system ages for roof, electrical, plumbing, and HVAC, complete ownership and deed chain with transaction classification, FEMA flood and coastal hazard analysis, environmental contamination screening, and neighborhood demographics. Available as a professional property wallet, PDF report, or structured data export.