Middlesex County and Waltham City property record for 20 Thornton Rd, Waltham, MA 02453
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1.5 ba · 1,728 sqft · built 1936 |
| Lot Size | 0.242 acres (10,559 sqft) |
| Owner | 2 Trust Names on Record |
| Last Sale | $479,900 (Oct 2014) |
| Tax Bill | $7,920 (2026) |
| Deeds & Mortgages | Jan 2025 Line of Credit Jun 2020 Refinance |
| Flood Zone | Zone X (minimal risk) |
| APN | 109992 |
| Primary APN | 109992 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Stories | 2 Stories |
| Building Area | 1,728 sqft Living Area |
| Gross Area | 2,666 sqft |
| Basement Area | 768 sqft |
| Unfinished Basement | 384 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1936 |
|---|---|
| Effective Year Built | Effective 1936 |
| Architectural Style | Cape Cod |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 10,559 sqft (0.242 acres) |
| Garage Type | Basement |
| Parking Spaces | 1 Parking Space |
| Heating System | Steam |
|---|---|
| Heating Fuel | Oil |
| Account Number | 109992 |
|---|---|
| Street Address | 20 THORNTON RD |
| City | WALTHAM |
| State | MA |
| Zip | 02453-1585 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | 1 |
| Legal Block | 10 |
| Legal Lot Number | 7 |
| Jurisdiction | WALTHAM MA |
| Township / Civil Division | WALTHAM |
| Census Block Group | 3 |
| Census Block | 3012 |
| Census Tract | 368400 |
Source: Middlesex County and Waltham City 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 Trust Names on Record |
|---|---|
| Mailing Address | 20 THORNTON RD, WALTHAM, MA 02453-1585 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Trust, Revocable Trust |
| Date | Document |
|---|---|
| Jan 28, 2025 | Deed of Trust, Mortgage · Line of Credit DIGITAL FCU |
| Jun 3, 2020 | Quit Claim Deed, Transfer · Stand-Alone Refinance NBKC BANK |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Oct 9, 2014 · Amount on Record |
| Deed Sale | Oct 9, 2014 · Amount on Record |
| Prior Sale | Feb 15, 2006 · Amount on Record |
| Deed Book / Page | 64347 / 512 |
| Last Transfer Date | Jun 12, 2025 |
| Transfer Doc | 084222-541 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WALTHAM MA |
| Property Address | 20 THORNTON RD, WALTHAM, MA 02453-1585 |
| Transaction Type | Mortgage |
| Record Updated | Apr 3, 2026 |
| Name | Verified Name |
|---|
| Document Number | 0083721-36 |
|---|---|
| Date | Jan 28, 2025 |
| Book Page | 83721/36 |
| Instrument | 9686 |
| Name | DIGITAL FCU |
|---|---|
| Type | Credit Union |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 481 Months |
| Due | Feb 1, 2065 |
| Rate Type | Adjustable Rate |
|---|
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | WALTHAM MA |
| Recording Date | Jun 3, 2020 |
| Property Address | 20 THORNTON RD, WALTHAM, MA 02453-1585 |
| Document Number | 74807-231 |
| Book / Page | 74807 / 231 |
| Instrument Date | May 27, 2020 |
| Instrument | 84706 |
| Transaction Type | Transfer |
| Record Updated | May 12, 2021 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 20 THORNTON RD, WALTHAM, MA 02453-1585 |
| Document Number | 74807-235 |
|---|---|
| Date | Jun 3, 2020 |
| Book Page | 74807/235 |
| Instrument | 84707 |
| Name | NBKC BANK |
|---|
| Type | Stand-Alone Refinance |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jul 1, 2050 |
Source: Middlesex County and Waltham City assessment roll, as of April 14, 2026
| Type | Name |
|---|---|
| State | Massachusetts |
| County | Middlesex County |
| Municipality | Waltham City |
| Unified School District | Waltham School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $7,920.00 (+10.12%) | $767,400 (+4.78%) Land $459,900 Building $307,500 | $766,323 (-6.06%) |
| 2025 | $7,192.00 (+3.62%) | $732,400 (+1.72%) Land $438,000 Building $294,400 | $815,765 (+6.06%) |
| 2024 | $6,941.00 (+1.12%) | $720,000 (+8.25%) Land $429,900 Building $290,100 | $769,120 |
| 2023 | $6,864.00 | $665,100 Land $389,300 Building $275,800 |
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 | 1 in force |
| Nearby Flood Claims | 8 (1979–2010) |
| Claims Outside the SFHA | 1 of 8 |
| Most Recent Claim | Mar 2010 · Severe Storms And Flooding |
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 | Not rated no burnable land 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 | WALTHAM WATER DEPARTMENT serves 65,218 people · EPA ID MA3308000 |
|---|---|
| Water Source | Purchased surface water from MWRA |
| Last State Inspection | Jun 2024 |
| Lead | 2 ppb (2025) 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 645 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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