55 Castle St, Keene, NH 03431 Property Records

Cheshire County and Keene City property record for 55 Castle St, Keene, NH 03431

Property Summary

Property TypeDuplex
Details4 bd · 3.5 ba · 2,411 sqft · built 1850
Lot Size0.39 acres (16,988 sqft)
OwnerIndividual Name on File
Last Sale$253,000 (Aug 2017)
Tax Bill$9,204 (2025)
Deeds & MortgagesJul 2022 Line of Credit
Flood ZoneZone X (minimal risk)
APNKEEN M:567 L:17

Property Details

APN / Parcel Number

Primary APNKEEN M:567 L:17
Alternative APN
  • 567017000000000

Interior

Bedrooms4 Beds
Full Baths3.5 Baths
Half Baths1 Half Bath
Total Rooms10 Rooms
Units2 Units
Stories2 Stories
Building Area2,411 sqft Living Area
Gross Area4,464 sqft
1st Floor Area1,316 sqft
Basement Area1,220 sqft
Unfinished Basement1,220 sqft

Exterior

Year BuiltBuilt 1850
Effective Year BuiltEffective 1850
Architectural StyleDuplex Single
Exterior MaterialAluminum/Vinyl
Roof TypeGable
Roof MaterialSlate
Lot Area16,988 sqft (0.39 acres)

Utilities, Heating & Cooling

Cooling SystemHVAC
Heating SystemHot Water
Heating FuelOil

Location & Zoning

Account Number567017000000000
Street Address55 CASTLE ST
CityKEENE
StateNH
Zip03431-2414
Property CategoryResidential
Property TypeResidential > Multi-Unit > Duplex
Local Zoning CodeMD
Legal Lot Number17
JurisdictionKEENE CITY NH
Township / Civil DivisionKEENE
Census Block Group3
Census Block3015
Census Tract971300

Owner

55 Castle St, a duplex, is owned and occupied by an individual who bought it in August 2017.

Source: Cheshire County and Keene City records, as of April 28, 2026

Owner of RecordIndividual Name on File
Mailing Address55 CASTLE ST, KEENE, NH 03431-2414
OccupancyOwner Occupied
Owner TypeIndividual

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last SaleAug 24, 2017 · Amount on File
Deed SaleAug 24, 2017 · Amount on File
Prior SaleSep 22, 2000 · Amount on File
Deed Document Number20177109
Deed Book / Page2997 / 1194
Record UpdatedJun 8, 2026

July 2022: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionKEENE CITY NH
Property Address55 CASTLE ST, KEENE, NH 03431-2414
Transaction TypeMortgage
Record UpdatedDec 8, 2025

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number003219-887
DateJul 15, 2022
Book Page3219/887
Instrument2206569
Lender
NameCITIZENS BANK
TypeBank
Agreement
TypeLine of Credit
AmountAmount on Record
Term301 Months
DueAug 1, 2047
Interest
Rate TypeAdjustable Rate

Tax Assessment & Valuation

The 2025 property tax bill for 55 Castle St was $9,204, up 3.9% from the year before.

Source: Cheshire County and Keene City assessment roll, as of April 28, 2026

Property Jurisdictions

TypeName
StateNew Hampshire
CountyCheshire County
MunicipalityKeene City
Unified School DistrictKeene School District (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed Value
2025$9,204.00 (+3.93%)$267,800 (-) Land $43,300 Building $224,500
2024$8,856.00 (+3.7%)$267,800 (-) Land $43,300 Building $224,500
2023$8,540.00 (+2.77%)$267,800 (-) Land $43,300 Building $224,500
2022$8,310.00$267,800 Land $43,300 Building $224,500

Assessed value is set for property tax purposes and is not a market price estimate.

Flood

FEMA maps place 55 Castle St in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.

Source: FEMA National Flood Hazard Layer, effective September 28, 2018 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
minimal risk
Nearest Special Flood Hazard AreaZone AE, within 500 ft
Flood Insurance RequirementNot required
lenders may require it
Flood Insurance CostPremium on File
median of 10 policies
Community Rating SystemClass 8 (10% premium discount)
Nearby Flood Policies10 in force

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

Wildfire risk around 55 Castle St is low, with a 0.01% annual chance of wildfire.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire RiskLow
lower than 80% of the US · above 52% of New Hampshire
Wildfire Likelihood0.01% annual chance
ExposureNone
beyond ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water SystemKEENE WATER DEPT
serves 30,000 people · EPA ID NH1241010
Water SourceSurface water
Last State InspectionJun 2025
LeadUnder 1 ppb (2022–2024)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 351 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Fidium Fiber
Fiber
2,000 / 2,000
Spectrum
Cable
1,000 / 1,000

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