45 Main St, Nantucket, MA 02554 Property Records

Nantucket County and Nantucket Town property record for 45 Main St, Nantucket, MA 02554

Property Summary

Property TypeMixed Use Commercial Office / Residential
Details1 bd · 2 ba · 2,770 sqft · built 1847
Lot Size0.04 acres (1,745 sqft)
Owner2 Individual Names on File
Last Sale$400,000 (Jun 1984)
Tax Bill$5,014 (2026)
Deeds & MortgagesMar 2020 Mortgage
Jan 2017 Mortgage
+ 1 more
Flood ZoneZone X (minimal risk)
APNNANT M:04231 P:00207

Property Details

APN / Parcel Number

Primary APNNANT M:04231 P:00207
Alternative APN
  • 9672

Interior

Bedrooms1 Bed
Full Baths2 Baths
Units3 Units
Stories2 Stories
Building Area2,770 sqft Total Area
Gross Area4,135 sqft
1st Floor Area1,405 sqft
Basement Area1,365 sqft
Unfinished Basement1,365 sqft

Exterior

Year BuiltBuilt 1847
Effective Year BuiltEffective 1847
Exterior MaterialBrick
Construction TypeMasonry / Concrete Block
Roof TypeGable
Roof MaterialAsphalt
Lot Area1,745 sqft (0.04 acres)

Utilities, Heating & Cooling

Cooling SystemHVAC
Heating SystemForced Air with A/C
Heating FuelOil

Location & Zoning

Account Number9672
Street Address45 MAIN ST
CityNANTUCKET
StateMA
Zip02554-3542
Property CategoryCommercial
Property TypeCommercial > Office > Mixed Use Commercial Office / Residential
Local Zoning CodeCDT
JurisdictionNANTUCKET MA
Township / Civil DivisionNANTUCKET
Census Block Group2
Census Block2056
Census Tract950100

Historic Designation

Source: NPS National Register of Historic Places, as of August 1, 2026

Historic DistrictWithin the Nantucket Historic District
listed 1966 · National Historic Landmark (designated 1966) · NRIS 66000772

Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.

Owner

45 Main St, a commercial property, is owned by two individuals who bought it in June 1984.

Source: Nantucket County and Nantucket Town records, as of October 20, 2026

Owner of Record2 Individual Names on File
Mailing AddressPO BOX 1056, NANTUCKET, MA 02554-1056
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

DateDocument
Mar 3, 2020Deed of Trust, Mortgage
BANK OF AMERICA
Jan 19, 2017Deed of Trust, Mortgage · Conventional Mortgage
BANK OF AMERICA
Jan 19, 2017Deed of Trust, Mortgage
BANK OF AMERICA

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleJun 1, 1984 · Amount on File
Deed SaleJun 1, 1984 · Amount on File
Deed Book / Page214 / 301
Record UpdatedOct 29, 2026

March 2020: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionNANTUCKET MA
Property Address45 MAIN ST, NANTUCKET, MA 02554-3542
Document Number1736-298
Instrument DateMar 3, 2020
Transaction TypeMortgage
Record UpdatedMar 17, 2020
Title CompanyNOT AVAILABLE

Transferred To (Grantee/Buyer)

NameVerified Name
Address45 MAIN ST NANTUCKET MA 025543542, NANTUCKET, MA 02554-3542

Mortgage

Document Number1736-298
DateMar 3, 2020
Book Page001736/000298
Instrument612
Lender
NameBANK OF AMERICA
TypeBank
Agreement
AmountAmount on Record

January 2017: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionNANTUCKET MA
Property Address45 MAIN ST, NANTUCKET, MA 02554-3542
Document Number1574-172
Instrument DateJan 19, 2017
Transaction TypeMortgage
Record UpdatedJan 8, 2019
Title CompanyNOT AVAILABLE

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number1574-172
DateJan 19, 2017
Book Page001574/000172
Instrument193
Lender
NameBANK OF AMERICA
TypeBank
Agreement
TypeConventional Mortgage
AmountAmount on Record

January 2017: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionNANTUCKET MA
Property Address45 MAIN ST, NANTUCKET, MA 02554-3542
Document Number1574-152
Instrument DateJan 19, 2017
Transaction TypeMortgage
Record UpdatedAug 15, 2018
Title CompanyNOT AVAILABLE

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number1574-152
DateJan 19, 2017
Book Page001574/000152
Instrument192
Lender
NameBANK OF AMERICA
TypeBank
Agreement
AmountAmount on Record

Tax Assessment & Valuation

The 2026 property tax bill for 45 Main St was $5,014.

Source: Nantucket County and Nantucket Town assessment roll, as of April 14, 2026

Property Jurisdictions

TypeName
StateMassachusetts
CountyNantucket County
County SubdivisionNantucket Town
Unified School DistrictNantucket School District (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2026$5,014.00$1,607,175 (-72.77%) Land $1,312,625 Building $294,550$3,668,901
2025$5,902,100 (+5%) Land $4,777,700 Building $1,124,400
2024$29,790.00$5,620,800 (+4.28%) Land $4,550,200 Building $1,070,600
2023$5,390,200 Land $4,412,300 Building $977,900

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

FEMA maps place 45 Main 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 February 7, 2025 · 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 319 individual policies
Nearby Flood Policies357 units insured
incl. 38 condo units
Nearby Flood Claims380 (1978–2026)
Claims Outside the SFHA20 of 380
Most Recent ClaimFeb 2026 · Severe Winter Storm And Snowstorm
Claims by Event
  • Severe Winter Storm, Snowstorm, And Flooding, Jan 2015 · 99 claims
  • Winter Coastal Storm, Dec 1992 · 71 claims
  • Coastal Storm, Oct 1991 · 118 claims

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

The area around 45 Main St has no burnable land within ember reach, so its wildfire risk is not rated.

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

Wildfire RiskNot rated
no burnable land within 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 SystemWANNACOMET WATER COMPANY
serves 27,703 people · EPA ID MA4197000
Water SourceGroundwater
Last State InspectionMay 2025
Lead2 ppb (2023–2025)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and Reporting67
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 752 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable
2,000 / 2,000
T-Mobile
Fixed Wireless
100 / 20
AT&T
Fixed Wireless
100 / 20

May also be available: Verizon.

Nearby Properties on Main St

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