Middlesex County and Natick Town property record for 21 Mill St, Natick, MA 01760
| Property Type | Duplex |
|---|---|
| Details | 6 bd · 3 ba · 2,280 sqft · built 1958 |
| Lot Size | 1.39 acres (60,548 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $555,000 (Nov 2016) |
| Tax Bill | $8,171 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 49-00000226 |
| Primary APN | 49-00000226 |
|---|---|
| Alternative APN |
|
| Bedrooms | 6 Beds |
|---|---|
| Full Baths | 3 Baths |
| Half Baths | 2 Half Baths |
| Total Rooms | 10 Rooms |
| Units | 2 Units |
| Stories | 2 Stories |
| Building Area | 2,280 sqft Living Area |
| 1st Floor Area | 1,120 sqft |
| Basement Area | 1,120 sqft |
| Unfinished Basement | 1,120 sqft |
| Year Built | Built 1958 |
|---|---|
| Effective Year Built | Effective 1967 |
| Architectural Style | Duplex Single |
| Exterior Material | Aluminum/Vinyl |
| Lot Area | 60,548 sqft (1.39 acres) |
| Deck Area | Deck Area |
| Heating System | Hot Water |
|---|---|
| Heating Fuel | Gas |
| Account Number | 49-00000226 |
|---|---|
| Street Address | 21 MILL ST |
| City | NATICK |
| State | MA |
| Zip | 01760-4102 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | RSA |
| Legal Subdivision | CASEY CIRCLE |
| Jurisdiction | NATICK MA |
| Township / Civil Division | NATICK |
| Census Block Group | 1 |
| Census Block | 1000 |
| Census Tract | 382601 |
Source: Middlesex County and Natick Town records, as of October 20, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on Record |
|---|---|
| Mailing Address | 21 MILL ST, NATICK, MA 01760-4102 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Nov 2, 2016 · Amount on Record |
| Deed Sale | Nov 2, 2016 · Amount on Record |
| Prior Sale | May 23, 2003 · Amount on Record |
| Deed Book / Page | 68339 / 191 |
| Transfer Doc | 068339-191 |
| Record Updated | Oct 29, 2026 |
Source: Middlesex County and Natick Town assessment roll, as of April 14, 2026
| Type | Name |
|---|---|
| State | Massachusetts |
| County | Middlesex County |
| County Subdivision | Natick Town |
| Unified School District | Natick School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $8,171.00 (+2.47%) | $683,200 (+5.04%) Land $478,300 Building $204,900 | $761,403 |
| 2024 | $7,974.00 (-0.59%) | $650,400 (+2.49%) Land $450,100 Building $200,300 | |
| 2023 | $8,021.00 | $634,600 Land $450,100 Building $184,500 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
Source: FEMA National Flood Hazard Layer, effective September 10, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone A, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 1 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 80% of the US · above 57% of Massachusetts |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | Direct burnable vegetation |
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 | NATICK WATER AND SEWER DIVISION serves 37,006 people · EPA ID MA3198000 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Aug 2023 |
| Lead | Under 1 ppb (2025) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 1 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. This system sells water to local utilities; the supplier billing this address may be one of them.
Source: FCC Broadband Data Collection, based on 208 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 2,000 |
| Astound Broadband Cable | 1,500 / 50 |
| Verizon Fiber · Fixed Wireless in parts of the area | 980 / 880 |
| T-Mobile Fixed Wireless | 100 / 20 |
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