Middlesex County and Lexington Town property record for 31 Bertwell Rd, Lexington, MA 02420
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3.5 ba · 3,525 sqft · built 1931 |
| Lot Size | 0.435 acres (18,960 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $715,000 (Jun 2002) |
| Tax Bill | $27,513 (2026) |
| Deeds & Mortgages | Jul 2026 Mortgage May 2021 Refinance + 2 more |
| Flood Zone | Zone X (minimal risk) |
| APN | LEXI M:0071 L:00180A |
| Primary APN | LEXI M:0071 L:00180A |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 9 Rooms |
| Stories | 3 Stories |
| Building Area | 3,525 sqft Living Area |
| Gross Area | 6,344 sqft |
| 1st Floor Area | 1,815 sqft |
| Attic | Attic |
| Attic Area | 416 sqft |
| Basement Area | 1,735 sqft |
| Unfinished Basement | 1,735 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1931 |
|---|---|
| Effective Year Built | Effective 1931 |
| Architectural Style | Colonial |
| Exterior Material | Brick |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 18,960 sqft (0.435 acres) |
| Deck Area | Deck Area |
| Cooling System | HVAC |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Street Address | 31 BERTWELL RD |
|---|---|
| City | LEXINGTON |
| State | MA |
| Zip | 02420-3301 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | RS |
| Legal Lot Number | 180A |
| Jurisdiction | LEXINGTON MA |
| Township / Civil Division | LEXINGTON |
| Census Block Group | 5 |
| Census Block | 5013 |
| Census Tract | 358600 |
31 Bertwell Rd is owned and occupied by two individuals who bought it in June 2002.
Source: Middlesex County and Lexington Town records, as of October 20, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 31 BERTWELL RD, LEXINGTON, MA 02420-3301 |
| 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 |
|---|---|
| Jul 7, 2026 | Deed of Trust, Mortgage · Conventional Mortgage MIDDLESEX SAVINGS BANK |
| May 7, 2021 | Deed of Trust, Mortgage · Stand-Alone Refinance MIDDLESEX SAVINGS BANK |
| Jan 13, 2017 | Deed of Trust, Mortgage · Line of Credit TD BANK NA |
| Jan 12, 2018 | Deed of Trust, Mortgage · Line of Credit TD BANK NA |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jun 27, 2002 · Amount on File |
| Deed Sale | Jun 27, 2002 · Amount on File |
| Deed Document Number | 2002791 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | LEXINGTON MA |
| Recording Date | Jul 7, 2026 |
| Property Address | 31 BERTWELL RD, LEXINGTON, MA 02420-3301 |
| Document Number | 0000082948 |
| Book / Page | 85842 / 30 |
| Instrument Date | Jun 15, 2026 |
| Instrument | 202682948 |
| Transaction Type | Mortgage |
| Record Updated | Jul 29, 2026 |
| Name | Verified Name |
|---|---|
| Address | 31 BERTWELL RD, LEXINGTON, MA 02420-3301 |
| Document Number | 0000082948, |
|---|---|
| Date | Jul 7, 2026 |
| Book Page | 85842/30 |
| Instrument | 202682948 |
| Name | MIDDLESEX SAVINGS BANK |
|---|
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 180 Months |
| Due | Aug 1, 2041 |
| Rate | 5.71% |
|---|---|
| Max Rate | -1% |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | LEXINGTON MA |
| Property Address | 31 BERTWELL RD, LEXINGTON, MA 02420-3301 |
| Transaction Type | Mortgage |
| Record Updated | May 21, 2021 |
| Name | Verified Name |
|---|
| Document Number | 77711-230 |
|---|---|
| Date | May 7, 2021 |
| Book Page | 77711/230 |
| Instrument | 103982 |
| Name | MIDDLESEX SAVINGS BANK |
|---|---|
| Type | Bank |
| Type | Stand-Alone Refinance |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Jun 1, 2051 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | LEXINGTON MA |
| Property Address | 31 BERTWELL RD, LEXINGTON, MA 02420-3301 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Name | Verified Name |
|---|
| Document Number | 68757-319 |
|---|---|
| Date | Jan 13, 2017 |
| Book Page | 68757/319 |
| Instrument | 7462 |
| Name | TD BANK NA |
|---|---|
| Type | Bank |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Term | 348 Months |
| Due | Jan 1, 2046 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | LEXINGTON MA |
| Property Address | 31 BERTWELL RD, LEXINGTON, MA 02420-3301 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Name | Verified Name |
|---|
| Document Number | 70501-425 |
|---|---|
| Date | Jan 12, 2018 |
| Book Page | 70501/425 |
| Instrument | 5516 |
| Name | TD BANK NA |
|---|---|
| Type | Bank |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Term | 348 Months |
| Due | Jan 1, 2047 |
The 2026 property tax bill for 31 Bertwell Rd was $27,513, up 23% from the year before.
Source: Middlesex County and Lexington Town assessment roll, as of April 14, 2026
| Type | Name |
|---|---|
| State | Massachusetts |
| County | Middlesex County |
| County Subdivision | Lexington Town |
| Unified School District | Lexington School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $27,513.00 (+23%) | $2,235,000 (+22.2%) Land $931,000 Building $1,304,000 | $2,205,035 (+21.05%) |
| 2025 | $22,369.00 (+1.22%) | $1,829,000 (+1.39%) Land $887,000 Building $942,000 | $1,821,625 (+5.18%) |
| 2024 | $22,099.00 (+1.79%) | $1,804,000 (+8.02%) Land $844,000 Building $960,000 | $1,731,850 |
| 2023 | $21,710.00 | $1,670,000 Land $768,000 Building $902,000 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 31 Bertwell Rd in Zone X, an area of minimal flood risk, though there have been 3 flood claims nearby since 1982.
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 | 3 (1982–2017) |
| Claims Outside the SFHA | 1 of 3 |
| Most Recent Claim | Jul 2017 · other causes |
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 31 Bertwell Rd is low, with less than 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 99.1% of the US · lower than 98.7% of Massachusetts |
|---|---|
| Wildfire Likelihood | Under 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 | LEXINGTON WATER DEPT. (MWRA) serves 34,074 people · EPA ID MA3155000 |
|---|---|
| Water Source | Purchased surface water from MWRA |
| Last State Inspection | Sep 2023 |
| Lead | 2 ppb (2025) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 2 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 392 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Verizon Fiber | 2,300 / 2,300 |
| Xfinity Cable | 2,000 / 2,000 |
| Astound Broadband Cable | 1,500 / 50 |
| T-Mobile Fixed Wireless | 100 / 20 |
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