NE Provenance

285 Sound Beach Avenue

Greenwich, CT 06830

Institutional
Owner
Tow...
Owner Type
Government
Assessed
$42,307,500
Built
1902
Sq Ft
70,242
Lot
11.1 ac
Bed/Bath
—
Type
Institutional
Elevated Risks25ConditionC1Fire GradeAPermits98Last PermitFeb 2026FloodAESurgeCat 1

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285 Sound Beach Avenue, Greenwich, CT 06830— Property Report

Home& Property Details

285 Sound Beach Avenue is a Institutional built in 1902 located in Greenwich, Western Connecticut Planning Region, CT. The home has 70,242 square feet of living area on a 11.1-acre lot.

Flood Zone & Natural Hazard Assessment

285 Sound Beach Avenue 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 Relatively Moderate. The ASCE 7-22 design wind speed for this location is 123 mph. The ground snow load is 30 psf. The EPA radon zone is 1 (highest potential).

Fire Protection

NE Provenance rates the fire protection for 285 Sound Beach Avenue at Grade A (Excellent fire protection access). The nearest fire station, Greenwich Fire Department Station 5 Sound Beach, 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.

Building Permits & Property History

Municipal records show 98 building permits on file for 285 Sound Beach Avenue. The most recent permit was filed February 27, 2026. In the past five years, 7 permits have been issued. The current municipal assessment is $42,307,500, with $19,296,300 attributed to land and $23,011,200 to improvements.

Environmental & Land Use

285 Sound Beach Avenue is classified as a waterfront property.

GreenwichNeighborhood & Community

285 Sound Beach Avenue is located in Greenwich, Western Connecticut Planning Region, CT. The property is zoned R-12 (Single Family Residence). The median home value in this census tract is $1,814,100. Median household income is $200,001. The owner-occupancy rate in the surrounding area is 84%. The property is served by the Greenwich school district.

Full Property Intelligence Report

The complete NE Provenance report for 285 Sound Beach Avenue, Greenwich, CT 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.