Nantucket County and Nantucket Town property record for 66 Union St, Nantucket, MA 02554
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 1,089 sqft · built 1953 |
| Lot Size | 0.073 acres (3,200 sqft) |
| Owner | Company Name on File |
| Last Sale | $1,750,000 (Mar 2025) |
| Tax Bill | $6,043 (2026) |
| Deeds & Mortgages | Mar 2025 Sale & Mortgage |
| Flood Zone | Zone AE (high risk) |
| APN | 10849 |
| Primary APN | 10849 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Stories | 2 Stories |
| Building Area | 1,089 sqft Living Area |
| Gross Area | 1,250 sqft |
| 1st Floor Area | 576 sqft |
| Year Built | Built 1953 |
|---|---|
| Effective Year Built | Effective 1953 |
| Architectural Style | Colonial |
| Exterior Material | Wood Siding |
| Roof Type | Gable |
| Roof Material | Wood Shingle |
| Lot Area | 3,200 sqft (0.073 acres) |
| Deck Area | Deck Area |
| Heating System | Forced Air with A/C |
|---|---|
| Heating Fuel | Gas |
| Account Number | 10849 |
|---|---|
| Street Address | 66 UNION ST |
| City | NANTUCKET |
| State | MA |
| Zip | 02554-3860 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | ROH |
| Jurisdiction | NANTUCKET MA |
| Township / Civil Division | NANTUCKET |
| Census Block Group | 2 |
| Census Block | 2041 |
| Census Tract | 950100 |
Source: NPS National Register of Historic Places, as of August 1, 2026
| Historic District | Within 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.
66 Union St is owned by a company that bought it in March 2025.
Source: Nantucket County and Nantucket Town records, as of October 20, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 75 3RD AVE, WALTHAM, MA 02451-7549 |
| Owner Type | Company |
| Vesting | Company |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Mar 26, 2025 · Amount on File |
| Deed Sale | Mar 26, 2025 · Amount on File |
| Prior Sale | Sep 26, 2003 · Amount on File |
| Deed Book / Page | 2007 / 307 |
| Prior Transfer Date | Mar 24, 2025 |
| Prior Transfer Doc | 002007-307 |
| Record Updated | Oct 29, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | NANTUCKET MA |
| Recording Date | Mar 26, 2025 |
| Property Address | 66 UNION ST, NANTUCKET, MA 02554-3860 |
| Document Number | 002007-307 |
| Book / Page | 2007 / 307 |
| Instrument Date | Mar 24, 2025 |
| Instrument | 589 |
| Transaction Type | Transfer |
| Record Updated | Mar 13, 2026 |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 75 3RD AVE, WALTHAM, MA 02451-7549 |
| Document Number | 0000000591 |
|---|---|
| Date | Mar 26, 2025 |
| Instrument | 591 |
| Name | MORGAN STANLEY PRIVATE BANK |
|---|
| Type | Stand-Alone First Mortgage |
|---|---|
| Amount | Amount on Record |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 5.83% |
| Type Change Date | Apr 1, 2035 |
| Max Rate At Change | 3% |
| Index | Other |
| Margin | 3 |
The 2026 property tax bill for 66 Union St was $6,043, up 32.8% from the year before.
Source: Nantucket County and Nantucket Town assessment roll, as of April 14, 2026
| Type | Name |
|---|---|
| State | Massachusetts |
| County | Nantucket County |
| County Subdivision | Nantucket Town |
| Unified School District | Nantucket School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $6,043.00 (+32.84%) | $1,936,700 (+39.63%) Land $1,179,400 Building $757,300 | $2,044,640 |
| 2025 | $4,549.00 (+7.92%) | $1,387,000 (+2.99%) Land $851,800 Building $535,200 | |
| 2024 | $4,215.00 (+18.47%) | $1,346,700 (+21.5%) Land $819,100 Building $527,600 | |
| 2023 | $3,558.00 | $1,108,400 Land $717,600 Building $390,800 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 66 Union St in Zone AE, a high-risk flood area; flood insurance is required for federally backed loans.
Source: FEMA National Flood Hazard Layer, effective February 7, 2025 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone AE high risk |
|---|---|
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | No |
| Base Flood Elevation | 8.0 ft |
| Flood Insurance Requirement | Required federally backed loans |
| Flood Insurance Cost | Premium on File median of 319 individual policies |
| Nearby Flood Policies | 357 units insured incl. 38 condo units |
| Nearby Flood Claims | 380 (1978–2026) |
| Claims Outside the SFHA | 20 of 380 |
| Most Recent Claim | Feb 2026 · Severe Winter Storm And Snowstorm |
| Claims by Event |
|
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 risk around 66 Union St is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 94% of the US · lower than 86% of Massachusetts |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond ember reach |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | WANNACOMET WATER COMPANY serves 27,703 people · EPA ID MA4197000 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | May 2025 |
| Lead | 2 ppb (2023–2025) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 67 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.
Source: FCC Broadband Data Collection, based on 393 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 2,000 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Verizon.
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