Middlesex County and Groton Town property record for 42 Common St, Groton, MA 01450
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 3,059 sqft · built 1952 |
| Lot Size | 4.24 acres (184,980 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $610,000 (May 2019) |
| Tax Bill | $14,041 (2026) |
| Deeds & Mortgages | Apr 2024 Line of Credit Jul 2021 Refinance + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | GROT M:111 B:38 L |
| Primary APN | GROT M:111 B:38 L |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 9 Rooms |
| Stories | 2 Stories |
| Building Area | 3,059 sqft Living Area |
| Gross Area | 7,009 sqft |
| 1st Floor Area | 1,638 sqft |
| Attic | Attic |
| Attic Area | 1,044 sqft |
| Basement Area | 1,044 sqft |
| Unfinished Basement | 1,044 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1952 |
|---|---|
| Effective Year Built | Effective 1952 |
| Architectural Style | Colonial |
| Exterior Material | Wood Siding |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 184,980 sqft (4.24 acres) |
| Parking Spaces | 2 Parking Spaces |
| Deck Area | Deck Area |
| Heating System | Forced Air with A/C |
|---|---|
| Heating Fuel | Oil |
| Account Number | 1937 |
|---|---|
| Street Address | 42 COMMON ST |
| City | GROTON |
| State | MA |
| Zip | 01450-1331 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | RA |
| Legal Block | 38 |
| Jurisdiction | GROTON MA |
| Township / Civil Division | GROTON |
| Census Block Group | 2 |
| Census Block | 2018 |
| Census Tract | 326102 |
42 Common St is owned and occupied by two individuals who bought it in May 2019.
Source: Middlesex County and Groton Town records, as of October 20, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 42 COMMON ST, GROTON, MA 01450-1331 |
| 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 |
|---|---|
| Apr 12, 2024 | Deed of Trust, Mortgage · Line of Credit CITIZENS BANK |
| Jul 7, 2021 | Deed of Trust, Mortgage · Stand-Alone Refinance LOANDEPOT.COM LLC |
| May 10, 2019 | Quit Claim Deed, Transfer · Stand-Alone First Mortgage WASHINGTON SAVINGS BANK |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | May 10, 2019 · Amount on File |
| Deed Sale | May 10, 2019 · Amount on File |
| Prior Sale | Sep 3, 1999 · Amount on File |
| Deed Document Number | 201960729 |
| Deed Book / Page | 72585 / 224 |
| Prior Transfer Date | Apr 23, 2019 |
| Prior Transfer Doc | 72585-224 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | GROTON MA |
| Property Address | 42 COMMON ST, GROTON, MA 01450-1331 |
| Transaction Type | Mortgage |
| Record Updated | Apr 26, 2024 |
| Name | Verified Name |
|---|
| Document Number | 082659-523 |
|---|---|
| Date | Apr 12, 2024 |
| Book Page | 82659/523 |
| Instrument | 36671 |
| Name | CITIZENS BANK |
|---|---|
| Type | Bank |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Term | 301 Months |
| Due | May 1, 2049 |
| Rate Type | Adjustable Rate |
|---|
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | GROTON MA |
| Property Address | 42 COMMON ST, GROTON, MA 01450-1331 |
| Transaction Type | Mortgage |
| Record Updated | Jan 17, 2022 |
| Name | Verified Name |
|---|
| Document Number | 078189-166 |
|---|---|
| Date | Jul 7, 2021 |
| Book Page | 78189/166 |
| Instrument | 152995 |
| Name | LOANDEPOT.COM LLC |
|---|---|
| Type | Mortgage Company |
| Type | Stand-Alone Refinance |
|---|---|
| Amount | Amount on Record |
| Term | 181 Months |
| Due | Aug 1, 2036 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | GROTON MA |
| Recording Date | May 10, 2019 |
| Property Address | 42 COMMON ST, GROTON, MA 01450-1331 |
| Document Number | 72585-224 |
| Book / Page | 72585 / 224 |
| Instrument Date | Apr 23, 2019 |
| Instrument | 60729 |
| Transaction Type | Transfer |
| Record Updated | May 12, 2021 |
| Amount | Amount on Record |
|---|---|
| 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 | 42 COMMON ST, GROTON, MA 01450-1331 |
| Document Number | 60730 |
|---|---|
| Date | May 10, 2019 |
| Instrument | 60730 |
| Name | WASHINGTON SAVINGS BANK |
|---|---|
| Type | Bank |
| Type | Stand-Alone First Mortgage |
|---|---|
| Amount | Amount on Record |
The 2026 property tax bill for 42 Common St was $14,041, up 2.5% from the year before.
Source: Middlesex County and Groton Town assessment roll, as of April 14, 2026
| Type | Name |
|---|---|
| State | Massachusetts |
| County | Middlesex County |
| County Subdivision | Groton Town |
| Unified School District | Groton-Dunstable School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $14,041.00 (+2.47%) | $950,000 (+5.73%) Land $263,900 Building $686,100 | $831,820 (-) |
| 2025 | $13,702.00 (+2.31%) | $898,500 (+1.24%) Land $252,700 Building $645,800 | $831,820 (+5.48%) |
| 2024 | $13,392.00 (+6.46%) | $887,500 (+10.34%) Land $252,700 Building $634,800 | $788,595 |
| 2023 | $12,579.00 | $804,300 Land $252,700 Building $551,600 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 42 Common St in Zone X, an area of minimal flood risk.
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.
Wildfire risk around 42 Common St 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 | 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 | GROTON WATER DEPARTMENT serves 5,017 people · EPA ID MA2115000 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Jun 2023 |
| Lead | 3 ppb (2026) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None 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 47 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Verizon Fiber | 2,300 / 2,300 |
| Spectrum Cable | 1,000 / 1,000 |
| T-Mobile Fixed Wireless | 100 / 20 |
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