Middlesex County and Sherborn Town property record for 21 Prospect St, Sherborn, MA 01770
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 2,602 sqft · built 1951 |
| Lot Size | 1.02 acres (44,431 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $985,000 (Nov 2021) |
| Tax Bill | $17,271 (2026) |
| Deeds & Mortgages | Jan 2022 Refinance Nov 2021 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | SHER M:0005 B:0000 L:64 |
| Primary APN | SHER M:0005 B:0000 L:64 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 2,602 sqft Living Area |
| Gross Area | 4,604 sqft |
| Basement Area | 1,248 sqft |
| Unfinished Basement | 374 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1951 |
|---|---|
| Effective Year Built | Effective 1951 |
| Architectural Style | Colonial |
| Exterior Material | Wood Siding |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 44,431 sqft (1.02 acres) |
| Heating System | Hot Water |
|---|---|
| Heating Fuel | Oil |
| Street Address | 21 PROSPECT ST |
|---|---|
| City | SHERBORN |
| State | MA |
| Zip | 01770-1302 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | RB |
| Legal Lot Number | 64 |
| Jurisdiction | SHERBORN MA |
| Township / Civil Division | SHERBORN |
| Census Block Group | 3 |
| Census Block | 3001 |
| Census Tract | 386100 |
Source: Middlesex County and Sherborn 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 | 2 Individual Names on Record |
|---|---|
| Mailing Address | 21 PROSPECT ST, SHERBORN, MA 01770-1302 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Jan 4, 2022 | Deed of Trust, Mortgage · Stand-Alone Refinance UNITED WHOLESALE MORTGAGE |
| Nov 19, 2021 | Fiduciary Deed, Transfer · Stand-Alone First Mortgage GUARANTEED RATE INC |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Nov 19, 2021 · Amount on Record |
| Deed Sale | Nov 19, 2021 · Amount on Record |
| Deed Document Number | 2021253312 |
| Deed Book / Page | 79188 / 337 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SHERBORN MA |
| Property Address | 21 PROSPECT ST, SHERBORN, MA 01770-1302 |
| Transaction Type | Mortgage |
| Record Updated | Jan 20, 2026 |
| Name | Verified Name |
|---|
| Document Number | 079476-174 |
|---|---|
| Date | Jan 4, 2022 |
| Book Page | 79476/174 |
| Instrument | 202200000943 |
| Name | UNITED WHOLESALE MORTGAGE |
|---|---|
| Type | Mortgage Company |
| Type | Stand-Alone Refinance |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Feb 1, 2052 |
| Document Type | Fiduciary Deed |
|---|---|
| Jurisdiction | SHERBORN MA |
| Recording Date | Nov 19, 2021 |
| Property Address | 21 PROSPECT ST, SHERBORN, MA 01770-1302 |
| Document Number | 79188-337 |
| Book / Page | 79188 / 337 |
| Instrument Date | Nov 19, 2021 |
| Instrument | 253312 |
| Transaction Type | Transfer |
| Record Updated | Dec 10, 2021 |
| Amount | Amount Recorded |
|---|---|
| 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 |
|---|---|
| Relationship | Tenants in Common |
| Address | 21 PROSPECT ST, SHERBORN, MA 01770-1302 |
| Document Number | 253313 |
|---|---|
| Date | Nov 19, 2021 |
| Instrument | 253313 |
| Name | GUARANTEED RATE INC |
|---|---|
| Type | Non-Lending Institution |
| Type | Stand-Alone First Mortgage |
|---|---|
| Amount | Amount Recorded |
Source: Middlesex County and Sherborn Town assessment roll, as of April 14, 2026
| Type | Name |
|---|---|
| State | Massachusetts |
| County | Middlesex County |
| County Subdivision | Sherborn Town |
| Secondary School District | Dover-Sherborn School District (06 - 12) |
| Elementary School District | Sherborn School District (PK - 05) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $17,271.00 (+7.89%) | $1,102,900 (+14.23%) Land $575,000 Building $504,000 | $1,071,311 (-10.25%) |
| 2025 | $16,008.00 (+19.19%) | $965,500 (+21.85%) Land $442,300 Building $523,200 | $1,193,675 (+7.8%) |
| 2024 | $13,431.00 (+8.69%) | $792,400 (+15.49%) Land $336,700 Building $455,700 | $1,107,320 |
| 2023 | $12,357.00 | $686,100 Land $336,700 Building $349,400 |
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 |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 2 in force |
| Nearby Flood Claims | 2 (2010–2014) |
| Claims Outside the SFHA | 2 of 2 |
| Most Recent Claim | Apr 2014 · rainfall accumulation |
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 | 0.02% annual chance |
| Exposure | Direct burnable vegetation |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: FCC Broadband Data Collection, based on 20 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 2,000 |
| Verizon Fiber | 980 / 880 |
| T-Mobile Fixed Wireless | 100 / 20 |
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