Barnstable County and Barnstable Town City property record for 40 River Rd, Marstons Mills, MA 02648 · Last verified June 2026
| Property Type | Post Office |
|---|---|
| Details | 3,400 sqft · built 1985 |
| Lot Size | 1.27 acres (55,321 sqft) |
| Owner | Company Name on File |
| Last Sale | $1,400,000 (Sep 2020) |
| Tax Bill | $6,255 (2025) |
| Deeds & Mortgages | Dec 2018 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | MMIL M:078 L:018 |
| Primary APN | MMIL M:078 L:018 |
|---|---|
| Alternative APN |
|
| Total Rooms | 1 Room |
|---|---|
| Stories | 1 Story |
| Building Area | 3,400 sqft Total Area |
| Gross Area | 3,990 sqft |
| Year Built | Built 1985 |
|---|---|
| Effective Year Built | Effective 1985 |
| Architectural Style | High Rise |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 55,321 sqft (1.27 acres) |
| Cooling System | HVAC |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Oil |
| Account Number | 40459 |
|---|---|
| Street Address | 40 RIVER RD |
| City | MARSTONS MILLS |
| State | MA |
| Zip | 02648-2073 |
| Property Category | Public Works |
| Property Type | Public Works > Post Office |
| Legal Lot Number | 18 |
| Jurisdiction | BARNSTABLE MA |
| Township / Civil Division | BARNSTABLE TOWN |
| Census Block Group | 1 |
| Census Block | 1014 |
| Census Tract | 13100 |
Source: Barnstable County and Barnstable Town City records · APN MMIL M:078 L:018
Assessment roll updated May 27, 2026 · Last verified June 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 125 CAPPER DR, CANTON, MA 02021-2602 |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Sep 15, 2020 · Amount on Record |
| Deed Sale | Sep 15, 2020 · Amount on Record |
| Prior Sale | Dec 19, 2018 · Amount on Record |
| Record Updated | Sep 20, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | BARNSTABLE MA |
| Recording Date | Dec 19, 2018 |
| Property Address | 40 RIVER RD, MARSTONS MILLS, MA 02648-2073 |
| Document Number | 31737-26 |
| Book / Page | 31737 / 26 |
| Instrument Date | Dec 17, 2018 |
| Instrument | 63019 |
| Transaction Type | Transfer |
| Record Updated | Feb 06, 2021 |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 125 CAPPER DR, CANTON, MA 02021-2602 |
| Document Number | 63021 |
|---|---|
| Date | Dec 19, 2018 |
| Instrument | 63021 |
| Name | WALPOLE COOPERATIVE BANK |
|---|---|
| Type | Bank |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount Recorded |
Source: Barnstable County and Barnstable Town City records · Assessment roll updated May 27, 2026 · Last verified June 2026
| Type | Name |
|---|---|
| State | Massachusetts |
| County | Barnstable County |
| Municipality | Barnstable Town City |
| Unified School District | Barnstable School District (PK - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $6,255.00 (+3.32%) | $862,700 (+0.89%) Land $353,100 Building $509,600 |
| 2024 | $6,054.00 (-8.05%) | $855,100 (-) Land $353,100 Building $502,000 |
| 2023 | $6,584.00 | $855,100 Land $353,100 Building $502,000 |
Source: FEMA National Flood Hazard Layer, Barnstable County (25001C), updated October 1, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 250010131001, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Nearby Flood Policies | 4 in force |
| Wildfire Risk | Low above 1% of the US · above 1% of Massachusetts |
|---|---|
| Wildfire Likelihood | Less than 1 in 10,000 per year |
| Exposure | Direct burnable vegetation at the parcel |
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.
Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 153 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Xfinity | Cable | 2,000 / 2,000 |
| Verizon | Fixed Wireless | 300 / 20 |
| T-Mobile USA | Fixed Wireless | 100 / 20 |
Availability varies by address; speeds are provider-advertised maximums, not measured.
5G and 4G LTE
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