Middlesex County and Ayer Town property record for 21 Groton St, Ayer, MA 01432
| Property Type | Apartments (5+ Units) |
|---|---|
| Details | 6 bd · 7.5 ba · 3,360 sqft · built 1960 |
| Lot Size | 0.17 acres (7,405 sqft) |
| Owner | Company Name on Record |
| Last Sale | $775,000 (Jun 2023) |
| Tax Bill | $7,781 (2025) |
| Deeds & Mortgages | Jan 2025 Refinance Jun 2023 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | AYER M:026 B:0000 L:0139 |
| Primary APN | AYER M:026 B:0000 L:0139 |
|---|
| Bedrooms | 6 Beds |
|---|---|
| Full Baths | 7.5 Baths |
| Half Baths | 3 Half Baths |
| Total Rooms | 24 Rooms |
| Units | 6 Units |
| Stories | 2 Stories |
| Building Area | 3,360 sqft Living Area |
| Gross Area | 3,568 sqft |
| 1st Floor Area | 744 sqft |
| Basement Area | 1,680 sqft |
| Unfinished Basement | 660 sqft |
| Year Built | Built 1960 |
|---|---|
| Effective Year Built | Effective 1988 |
| Architectural Style | Conventional |
| Exterior Material | Wood Siding |
| Construction Type | Concrete |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 7,405 sqft (0.17 acres) |
| Heating System | Hot Water |
|---|---|
| Heating Fuel | Oil |
| Street Address | 21 GROTON ST |
|---|---|
| City | AYER |
| State | MA |
| Zip | 01432-1147 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Apartments (5+ Units) |
| Local Zoning Code | GR |
| Legal Lot Number | 139 |
| Jurisdiction | AYER MA |
| Township / Civil Division | AYER |
| Census Block Group | 1 |
| Census Block | 1007 |
| Census Tract | 325102 |
Source: Middlesex County and Ayer Town records, as of April 24, 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 Record |
|---|---|
| Mailing Address | 1057 MAIN ST, TEWKSBURY, MA 01876-2073 |
| Owner Type | Company |
| Vesting | Company |
| Date | Document |
|---|---|
| Jan 3, 2025 | Deed of Trust, Mortgage · Stand-Alone Refinance MICHAEL LAROSA |
| Jun 22, 2023 | Quit Claim Deed, Transfer · Stand-Alone First Mortgage ENTERPRISE BANK & TRUST CO |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jun 22, 2023 · Amount on Record |
| Deed Sale | Jun 22, 2023 · Amount on Record |
| Prior Sale | Dec 21, 2007 |
| Deed Book / Page | 81686 / 1 |
| Record Updated | Jun 8, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | AYER MA |
| Property Address | 21 GROTON ST, AYER, MA 01432-1147 |
| Transaction Type | Mortgage |
| Record Updated | Nov 20, 2025 |
| Name | Verified Name |
|---|
| Document Number | 083645-538 |
|---|---|
| Date | Jan 3, 2025 |
| Book Page | 83645/538 |
| Name | MICHAEL LAROSA |
|---|
| Type | Stand-Alone Refinance |
|---|---|
| Amount | Amount Recorded |
| Term | 169 Months |
| Due | Feb 1, 2039 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | AYER MA |
| Recording Date | Jun 22, 2023 |
| Property Address | 21 GROTON ST, AYER, MA 01432-1147 |
| Document Number | 00081686-1 |
| Book / Page | 81686 / 1 |
| Instrument Date | Jun 22, 2023 |
| Instrument | 67490 |
| Transaction Type | Transfer |
| Record Updated | Nov 20, 2025 |
| 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 |
|---|---|
| Address | 1057 MAIN ST, TEWKSBURY, MA 01876-2073 |
| Document Number | 0000067491 |
|---|---|
| Date | Jun 22, 2023 |
| Instrument | 67491 |
| Name | ENTERPRISE BANK & TRUST CO |
|---|---|
| Type | Bank |
| Type | Stand-Alone First Mortgage |
|---|---|
| Amount | Amount Recorded |
Source: Middlesex County and Ayer Town assessment roll, as of April 14, 2026
| Type | Name |
|---|---|
| State | Massachusetts |
| County | Middlesex County |
| County Subdivision | Ayer Town |
| Unified School District | Ayer-Shirley School District (PK - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $7,781.00 (+16.08%) | $650,600 (+20.55%) Land $134,000 Building $516,600 |
| 2023 | $6,703.00 | $539,700 Land $125,700 Building $414,000 |
Assessed value is set for property tax purposes and is not a market price estimate.
Source: FEMA National Flood Hazard Layer, effective September 10, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; 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 | Indirect within 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 | AYER DPW WATER DIVISION serves 8,479 people · EPA ID MA2019000 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Jun 2024 |
| Lead | 1 ppb (2026) 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.
Source: FCC Broadband Data Collection, based on 299 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 2,000 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
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