Middlesex County and Waltham City property record for 17 Hersum Way, Waltham, MA 02451
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,687 sqft · built 1955 |
| Lot Size | 0.264 acres (11,500 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $7,367 (2026) |
| Deeds & Mortgages | Feb 2026 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 54407 |
| Primary APN | 54407 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 1,687 sqft Living Area |
| Gross Area | 2,074 sqft |
| Basement Area | 888 sqft |
| Unfinished Basement | 888 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1955 |
|---|---|
| Effective Year Built | Effective 1955 |
| Architectural Style | Ranch |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 11,500 sqft (0.264 acres) |
| Cooling System | HVAC |
|---|---|
| Heating System | Hot Water |
| Heating Fuel | Oil |
| Account Number | 54407 |
|---|---|
| Street Address | 17 HERSUM WAY |
| City | WALTHAM |
| State | MA |
| Zip | 02451 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | 1 |
| Legal Block | 3 |
| Legal Lot Number | 31 |
| Jurisdiction | WALTHAM MA |
| Township / Civil Division | WALTHAM |
| Census Block Group | 1 |
| Census Block | 1000 |
| Census Tract | 368101 |
17 Hersum Way is owned and occupied by an individual who acquired it in April 2007.
Source: Middlesex County and Waltham City records, as of October 20, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 17 HERSUM WAY, WALTHAM, MA 02451 |
| 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.
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Apr 18, 2007 |
| Deed Sale | Apr 18, 2007 |
| Deed Document Number | 200769891 |
| Deed Book / Page | 49306 / 498 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WALTHAM MA |
| Property Address | 17 HERSUM WAY, WALTHAM, MA 02451 |
| Transaction Type | Mortgage |
| Record Updated | Mar 11, 2026 |
| Name | Verified Name |
|---|
| Document Number | 085234-306 |
|---|---|
| Date | Feb 17, 2026 |
| Book Page | 85234/306 |
| Instrument | 17082 |
| Name | PRIMELENDING |
|---|
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Mar 1, 2056 |
The 2026 property tax bill for 17 Hersum Way was $7,367, up 11.6% 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 | $7,367.00 (+11.55%) | $713,900 (+6.16%) Land $491,400 Building $222,500 | $688,571 (-28.78%) |
| 2025 | $6,604.00 (+5.56%) | $672,500 (+3.62%) Land $469,000 Building $203,500 | $966,815 (+36.44%) |
| 2024 | $6,256.00 | $649,000 Land $448,200 Building $200,800 | $708,605 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 17 Hersum Way in Zone X, an area of minimal flood risk, within 100 ft of a high-risk flood zone.
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone A, within 100 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 9 in force |
| Nearby Flood Claims | 2 (2018–2024) |
| Claims Outside the SFHA | 2 of 2 |
| Most Recent Claim | Jan 2024 · rainfall accumulation |
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 17 Hersum Way 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 98% of the US · lower than 96% 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 | 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 324 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 |
May also be available: AT&T, T-Mobile.
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