NE Provenance

280 Marcy St

Portsmouth, NH 03801

Institutional
Owner
Cit...
Owner Type
Government
Assessed
$2,176,000
Built
1863
Sq Ft
4,120
Lot
0.23 ac
Bed/Bath
—
Type
Institutional
Elevated Risks18ConditionC2Fire GradeAPermits13Last PermitFeb 2026FloodX

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280 Marcy St, Portsmouth, NH 03801— Property Report

Home& Property Details

280 Marcy St is a Commercial institutional built in 1863 located in Portsmouth, Rockingham County, NH. The home has 4,120 square feet of living area on a 0.23-acre lot.

Flood Zone & Natural Hazard Assessment

280 Marcy St is in FEMA flood zone X. Zone X is outside the Special Flood Hazard Area, meaning the property has minimal flood risk according to FEMA mapping. The FEMA National Risk Index composite rating for this area is Relatively Low. The ASCE 7-22 design wind speed for this location is 112 mph. The ground snow load is 50 psf. The EPA radon zone is 1 (highest potential).

Fire Protection

NE Provenance rates the fire protection for 280 Marcy St at Grade A (Excellent fire protection access). The nearest fire station, Portsmouth - Police Station, is 0.3 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 13 building permits on file for 280 Marcy St. The most recent permit was filed February 13, 2026. In the past five years, 3 permits have been issued. The current municipal assessment is $2,176,000, with $997,300 attributed to land and $1,178,700 to improvements.

PortsmouthNeighborhood & Community

280 Marcy St is located in Portsmouth, Rockingham County, NH. The property is zoned M (Municipal). The median home value in this census tract is $921,400. Median household income is $81,456. The owner-occupancy rate in the surrounding area is 48%. The property is served by the Portsmouth school district.

Full Property Intelligence Report

The complete NE Provenance report for 280 Marcy St, Portsmouth, NH 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.