17 Portland Ave
Dover, NH 03820
Commercial
Building & Site Intelligence
Complete building characteristics, construction details, and site data from municipal assessor records and supplementary sources.
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Property Intelligence: 17 Portland Ave, Dover, NH 03820
Property Overview
17 Portland Ave is a Commercial, built in 1780, 0.19 acres in Strafford County, NH. Ownership type: LLC. Assessed value: $1,229,200.
Condition & Permits
No building permits on file.
Risk & Hazard Profile
NEP Fire Protection Grade: A. FEMA flood zone: X. Risk assessment combines NEP proprietary ratings with federal, state, and municipal hazard data at parcel-level precision.
Ownership & Deed History
Last sale: July 2018 for $2,175,000. Full ownership chain, entity resolution, lien analysis, and comparable sales available with subscription.
About This Data
NE Provenance assembles property intelligence from municipal assessor records, building permit databases, county deed registries, federal environmental and hazard datasets, business registration filings, and state-level geospatial data — 140+ authoritative, primary sources corroborated at the individual address level.
Property data for Dover, NH and all six New England states. NE Provenance covers Strafford County and over 4.7 million properties across 29 counties with up to 430 intelligence attributes per property record.
