555 Dennett St Portsmouth, NH 03801 / 3618

Residence for Single Family

(UPDATED: 11/10/2025)
  • 4 Beds
  • 1 Baths
  • 4.910 square feet
Property Report

Information about property on 555 Dennett St, Portsmouth NH, 03801-3618. Find out owner contacts, building history, price, neighborhood at Homemetry Address Directory.

Property Details

This is a single-family residence, which is situated at 555 Dennett St, Portsmouth, NH.

Facts

  • Built in 1900
  • Lot size 4,910 sqft
  • Rooms 7
  • Bedrooms 4
  • Stories 2 story with attic and basement
  • Style Conventional
  • Basement Full Basement
  • Heating & Cooling
  • Heat type Steam
  • Cooling Other
  • Exterior Home Features
  • Exterior walls Siding (Alum/Vinyl)
  • Roof type Asphalt
  • Parking & Garage
  • Parking Detached Garage
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Misc

  • Units 1

Features

  • A/C

Householders and Tenants for 555 Dennett St, Portsmouth NH

Businesses

Organization Phone Number Additional Info
BICYCLE BOB
Type of Business:
Trade Name - Domestic
BICYCLE BOB'S BICYCLE OUTLET
603-431-****
Industry:
Fitness Equipment

Cost estimate history

YearTaxAssessmentMarket
2012 $5,404 $307,900 N/A
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Where is 555 Dennett St, Portsmouth NH located on map?

Dennett St Fire Incident History

To date, we have no information about fire incidents in 2026
07 May 2015 Special outside fire, other
Property Use —
Graded and cared-for plots of land
Area of Origin —
Open area - outside; included are farmland, field
17 Mar 2010 Brush, or brush and grass mixture fire
Property Use —
Outside or special property, other
Area of Origin —
Open area - outside; included are farmland, field
First Ignition —
Light vegetation - not crop, including grass
Heat Source —
Hot ember or ash
27 Mar 2006 Cultivated vegetation, crop fire, other
Property Use —
Open land or field
Area of Origin —
Outside area, other
First Ignition —
Organic materials, other
Heat Source —
Cigarette

Dennett St Incidents registered in FEMA
(Federal Emergency Management Agency)

To date, we have no information about incidents registered in FEMA in 2026
10 Jul 2015 Electrical wiring/equipment problem, other
Property Use —
1 or 2 family dwelling
17 Jul 2014 Hazardous condition, other
Property Use —
Residential street, road or residential driveway
10 Jan 2014 Electrical wiring/equipment problem, other
Property Use —
Residential street, road or residential driveway
02 Jan 2014 Carbon monoxide incident
Property Use —
1 or 2 family dwelling

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FAQ about the house at 555 Dennett St, Portsmouth, NH

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