Middlesex County and Winchester Town property record for 11 Grassmere Ave, Winchester, MA 01890
| Property Type | Single Family Home |
|---|---|
| Details | 7 bd · 4.5 ba · 3,091 sqft · built 1850 |
| Lot Size | 0.56 acres (24,376 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $510,000 (Apr 1994) |
| Tax Bill | $31,990 (2026) |
| Deeds & Mortgages | Sep 2017 Mortgage Feb 2017 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | WINC M:016 B:0225 L:0 |
| Primary APN | WINC M:016 B:0225 L:0 |
|---|
| Bedrooms | 7 Beds |
|---|---|
| Full Baths | 4.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 13 Rooms |
| Stories | 2 Stories |
| Building Area | 3,091 sqft Living Area |
| Gross Area | 6,373 sqft |
| Basement Area | 1,774 sqft |
| Unfinished Basement | 1,774 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1850 |
|---|---|
| Effective Year Built | Effective 1850 |
| Architectural Style | Victorian |
| Exterior Material | Wood Siding |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 24,376 sqft (0.56 acres) |
| Cooling System | HVAC |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Street Address | 11 GRASSMERE AVE |
|---|---|
| City | WINCHESTER |
| State | MA |
| Zip | 01890-2513 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | RDB |
| Legal Subdivision | WINCHESTER |
| Legal Block | 225 |
| Jurisdiction | WINCHESTER MA |
| Township / Civil Division | WINCHESTER |
| Census Block Group | 2 |
| Census Block | 2000 |
| Census Tract | 338300 |
Source: NPS National Register of Historic Places, as of August 1, 2026
| Historic District | Within the Firth-Glengarry Historic District listed 1989 · 47 contributing resources · NRIS 89000662 |
|---|
Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.
11 Grassmere Ave is owned and occupied by two individuals who bought it in April 1994.
Source: Middlesex County and Winchester Town records, as of October 20, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 11 GRASSMERE AVE, WINCHESTER, MA 01890-2513 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| Sep 26, 2017 | Deed of Trust, Mortgage · Conventional Mortgage JOSEPHINE G BOTTARO |
| Feb 23, 2017 | Deed of Trust, Mortgage MORTGAGE NTWK |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Apr 29, 1994 · Amount on File |
| Deed Sale | Apr 29, 1994 · Amount on File |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WINCHESTER MA |
| Property Address | 11 GRASSMERE AVE, WINCHESTER, MA 01890-2513 |
| Document Number | 70028-396 |
| Book / Page | 070028 / 000396 |
| Instrument Date | Sep 26, 2017 |
| Transaction Type | Mortgage |
| Record Updated | Oct 24, 2017 |
| Name | Verified Name |
|---|---|
| Relationship | Husband and Wife |
| Document Number | 70028-396 |
|---|---|
| Date | Oct 3, 2017 |
| Book Page | 070028/000396 |
| Instrument | 503 |
| Name | JOSEPHINE G BOTTARO |
|---|
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WINCHESTER MA |
| Property Address | 11 GRASSMERE AVE, WINCHESTER, MA 01890-2513 |
| Document Number | 68946-498 |
| Book / Page | 068946 / 000498 |
| Instrument Date | Feb 23, 2017 |
| Transaction Type | Mortgage |
| Record Updated | Mar 21, 2017 |
| Name | Verified Name |
|---|---|
| Relationship | Husband and Wife |
| Document Number | 68946-498 |
|---|---|
| Date | Feb 28, 2017 |
| Book Page | 068946/000498 |
| Instrument | 30727 |
| Name | MORTGAGE NTWK |
|---|---|
| Type | Mortgage Company |
| Amount | Amount on Record |
|---|---|
| Term | 180 Months |
| Due | Feb 27, 2032 |
The 2026 property tax bill for 11 Grassmere Ave was $31,990, up 22.3% from the year before.
Source: Middlesex County and Winchester Town assessment roll, as of April 14, 2026
| Type | Name |
|---|---|
| State | Massachusetts |
| County | Middlesex County |
| County Subdivision | Winchester Town |
| Unified School District | Winchester School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $31,990.00 (+22.28%) | $2,887,200 (+22.39%) Land $1,402,800 Building $1,484,400 | $2,322,499 (+18.64%) |
| 2025 | $26,162.00 (-0.13%) | $2,359,100 (+2.03%) Land $1,362,800 Building $996,300 | $1,957,665 |
| 2024 | $26,197.00 (+3.52%) | $2,312,200 (+7.81%) Land $1,322,800 Building $989,400 | |
| 2023 | $25,307.00 | $2,144,700 Land $1,322,800 Building $821,900 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 11 Grassmere Ave in Zone X, an area of minimal flood risk, within 100 ft of a high-risk flood zone.
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 AE, within 100 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on File median of 19 individual policies |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 66 units insured incl. 47 condo units |
| Nearby Flood Claims | 11 (1978–2010) |
| Claims Outside the SFHA | 6 of 11 |
| Most Recent Claim | Mar 2010 · Severe Storms And Flooding |
| 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 11 Grassmere Ave is low, with 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 80% of the US · above 57% of Massachusetts |
|---|---|
| Wildfire Likelihood | 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 | WINCHESTER WATER DEPT serves 22,970 people · EPA ID MA3344000 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Jul 2024 |
| Lead | 3 ppb (2024–2026) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 12 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 430 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Verizon Fiber · Fixed Wireless in parts of the area | 980 / 880 |
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