Middlesex County and Waltham City property record for 45 Thornton Rd, Waltham, MA 02453
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1.5 ba · 1,810 sqft · built 1950 |
| Lot Size | 0.138 acres (5,998 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $470,000 (Jul 2008) |
| Tax Bill | $8,185 (2026) |
| Deeds & Mortgages | Nov 2023 Refinance Sep 2019 Refinance + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 110178 |
| Primary APN | 110178 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Stories | 2 Stories |
| Building Area | 1,810 sqft Living Area |
| Gross Area | 2,891 sqft |
| Basement Area | 1,033 sqft |
| Unfinished Basement | 1,033 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1950 |
|---|---|
| Effective Year Built | Effective 1950 |
| Architectural Style | Colonial |
| Exterior Material | Wood Siding |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 5,998 sqft (0.138 acres) |
| Garage Type | Basement |
| Parking Spaces | 1 Parking Space |
| Heating System | Forced Air with A/C |
|---|---|
| Heating Fuel | Oil |
| Account Number | 110178 |
|---|---|
| Street Address | 45 THORNTON RD |
| City | WALTHAM |
| State | MA |
| Zip | 02453-1584 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | 1 |
| Legal Subdivision | CEDARWOOD |
| Legal Block | 7 |
| Legal Lot Number | 21 |
| Jurisdiction | WALTHAM MA |
| Township / Civil Division | WALTHAM |
| Census Block Group | 3 |
| Census Block | 3013 |
| Census Tract | 368400 |
45 Thornton Rd is owned and occupied by two individuals who bought it in July 2008.
Source: Middlesex County and Waltham City records, as of October 20, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 45 THORNTON RD, WALTHAM, MA 02453-1584 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Nov 7, 2023 | Deed of Trust, Mortgage · Stand-Alone Refinance FLAGSTAR BANK FSB |
| Sep 23, 2019 | Deed of Trust, Mortgage · Stand-Alone Refinance PROVIDENT FUNDING ASSOCIATES LP |
| Aug 25, 2020 | Deed of Trust, Mortgage · Stand-Alone Refinance ONE AMERICAN MORTGAGE |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jul 16, 2008 · Amount on File |
| Deed Sale | Jul 16, 2008 · Amount on File |
| Prior Sale | Jul 28, 2005 · Amount on File |
| Deed Document Number | 2008117189 |
| Deed Book / Page | 51447 / 349 |
| Transfer Doc | 0000001023 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WALTHAM MA |
| Property Address | 45 THORNTON RD, WALTHAM, MA 02453-1584 |
| Transaction Type | Mortgage |
| Record Updated | Nov 23, 2023 |
| Title Company | BOSTON NATIONAL TITLE |
| Name | Verified Name |
|---|
| Document Number | 00082186-1 |
|---|---|
| Date | Nov 7, 2023 |
| Book Page | 82186/1 |
| Instrument | 127402 |
| Name | FLAGSTAR BANK FSB |
|---|---|
| Type | Bank |
| Type | Stand-Alone Refinance |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Dec 1, 2053 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WALTHAM MA |
| Property Address | 45 THORNTON RD, WALTHAM, MA 02453-1584 |
| Transaction Type | Mortgage |
| Record Updated | Mar 3, 2021 |
| Name | Verified Name |
|---|
| Document Number | 73325-252 |
|---|---|
| Date | Sep 23, 2019 |
| Book Page | 73325/252 |
| Instrument | 144491 |
| Name | PROVIDENT FUNDING ASSOCIATES LP |
|---|---|
| Type | Mortgage Company |
| Type | Stand-Alone Refinance |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Oct 1, 2049 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WALTHAM MA |
| Property Address | 45 THORNTON RD, WALTHAM, MA 02453-1584 |
| Transaction Type | Mortgage |
| Record Updated | Mar 3, 2021 |
| Name | Verified Name |
|---|
| Document Number | 75449-532 |
|---|---|
| Date | Aug 25, 2020 |
| Book Page | 75449/532 |
| Instrument | 146115 |
| Name | ONE AMERICAN MORTGAGE |
|---|
| Type | Stand-Alone Refinance |
|---|---|
| Amount | Amount on Record |
| Term | 181 Months |
| Due | Sep 1, 2035 |
The 2026 property tax bill for 45 Thornton Rd was $8,185, up 11.8% from the year before.
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 | $8,185.00 (+11.85%) | $793,100 (+6.43%) Land $408,200 Building $384,900 | $823,285 (-2.57%) |
| 2025 | $7,318.00 (+3.42%) | $745,200 (+1.53%) Land $388,800 Building $356,400 | $845,025 (+6.48%) |
| 2024 | $7,076.00 (+1.56%) | $734,000 (+8.72%) Land $381,600 Building $352,400 | $793,630 |
| 2023 | $6,967.00 | $675,100 Land $345,600 Building $329,500 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 45 Thornton Rd in Zone X, an area of minimal flood risk, though there have been 8 flood claims nearby since 1979.
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.
The area around 45 Thornton Rd has no burnable land within ember reach, so its wildfire risk is not rated.
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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