NE Provenance

633 North St

Greenwich, CT 06830

residentialSingle Family
Owner
Ong...
Owner Type
Individual
Tenure
14 yrs
Assessed
$20,984,800
Built
2015
Sq Ft
19,835
Lot
5.75 ac
Bed/Bath
—
Type
Single Family
Elevated Risks20ConditionC1Fire GradeDPermits40Last PermitMar 2017FloodAE

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633 North St, Greenwich, CT 06830— Property Report

Home& Property Details

633 North St is a Colonial single family built in 2015 located in Greenwich, Western Connecticut Planning Region, CT. The home has 19,835 square feet of living area on a 5.75-acre lot.

Flood Zone & Natural Hazard Assessment

633 North St 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 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 633 North St at Grade D (Limited fire protection access). The nearest fire station, Greenwich Fire Department Station 8 Back Country, is 0.5 miles away. This grade reflects fire station proximity, department capabilities, hydrant coverage, and municipal water infrastructure. Properties with Grade D or E may face higher insurance premiums due to limited fire protection resources.

Building Permits & Property History

Municipal records show 40 building permits on file for 633 North St. The most recent permit was filed March 15, 2017. The current municipal assessment is $20,984,800, with $3,410,100 attributed to land and $17,574,700 to improvements. The property last sold on October 20, 2011 for $8,000,000.

Environmental & Land Use

633 North St is classified as a waterfront property. Dam exposure is rated Low.

GreenwichNeighborhood & Community

633 North St is located in Greenwich, Western Connecticut Planning Region, CT. The property is zoned RA-2 (Single Family). The median home value in this census tract is $2,000,001. Median household income is $200,001. The owner-occupancy rate in the surrounding area is 92%. The property is served by the Greenwich school district.

Full Property Intelligence Report

The complete NE Provenance report for 633 North St, 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.