Middlesex County and Waltham City property record for 172 Prospect St, Waltham, MA 02453
| Property Type | Mixed Use Commercial Office / Residential |
|---|---|
| Details | 2 bd · 3 ba · 2,296 sqft · built 1860 |
| Lot Size | 0.08 acres (3,480 sqft) |
| Owner | Company Name on File |
| Last Sale | $795,000 (Sep 2021) |
| Tax Bill | $9,343 (2026) |
| Deeds & Mortgages | Apr 2022 Mortgage Sep 2021 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 20710 |
| Primary APN | 20710 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 3 Baths |
| Half Baths | 2 Half Baths |
| Total Rooms | 6 Rooms |
| Units | 5 Units |
| Stories | 2 Stories |
| Building Area | 2,296 sqft Total Area |
| Gross Area | 3,476 sqft |
| Basement Area | 1,148 sqft |
| Unfinished Basement | 1,148 sqft |
| Year Built | Built 1860 |
|---|---|
| Effective Year Built | Effective 1860 |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 3,480 sqft (0.08 acres) |
| Heating System | Hot Water |
|---|---|
| Heating Fuel | Oil |
| Account Number | 20710 |
|---|---|
| Street Address | 172 PROSPECT ST |
| City | WALTHAM |
| State | MA |
| Zip | 02453-3451 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Mixed Use Commercial Office / Residential |
| Legal Block | 8 |
| Legal Lot Number | 5 |
| Jurisdiction | WALTHAM MA |
| Township / Civil Division | WALTHAM |
| Census Block Group | 1 |
| Census Block | 1014 |
| Census Tract | 368400 |
172 Prospect St, a commercial property, is owned by a company that acquired it in April 2022.
Source: Middlesex County and Waltham City records, as of October 20, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 225 PROSPECT ST, BELMONT, MA 02478-2610 |
| Owner Type | Company |
| Vesting | Company |
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 25, 2022 | Quit Claim Deed, Transfer · Commercial Mortgage WATERTOWN SAVINGS BANK |
| Sep 1, 2021 | Quit Claim Deed, Transfer |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Sep 1, 2021 · Amount on File |
| Deed Sale | Sep 1, 2021 · Amount on File |
| Deed Document Number | 2021195943 |
| Last Transfer Date | Apr 25, 2022 |
| Transfer Doc | 080026-301 |
| Record Updated | Oct 29, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | WALTHAM MA |
| Recording Date | Apr 25, 2022 |
| Property Address | 172 PROSPECT ST, WALTHAM, MA 02453-3451 |
| Document Number | 080026-301 |
| Book / Page | 80026 / 301 |
| Instrument Date | Apr 25, 2022 |
| Instrument | 61477 |
| Transaction Type | Transfer |
| Record Updated | May 13, 2022 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 225 PROSPECT ST, BELMONT, MA 02478-2610 |
| Document Number | 080026-304 |
|---|---|
| Date | Apr 25, 2022 |
| Book Page | 80026/304 |
| Instrument | 61478 |
| Name | WATERTOWN SAVINGS BANK |
|---|---|
| Type | Bank |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount on Record |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | WALTHAM MA |
| Recording Date | Sep 1, 2021 |
| Property Address | 172 PROSPECT ST, WALTHAM, MA 02453-3451 |
| Document Number | 0078608-53 |
| Book / Page | 78608 / 53 |
| Instrument Date | Sep 1, 2021 |
| Instrument | 195943 |
| Transaction Type | Transfer |
| Record Updated | Dec 22, 2021 |
| Amount | Amount on Record |
|---|---|
| Tax | $0.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 225 PROSPECT ST, BELMONT, MA 02478-2610 |
The 2026 property tax bill for 172 Prospect St was $9,343.
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 |
|---|---|---|
| 2026 | $9,343.00 | $905,300 (-2.54%) Land $337,100 Building $568,200 |
| 2025 | $928,900 (+7.39%) Land $307,200 Building $621,700 | |
| 2024 | $865,000 (+18.41%) Land $305,300 Building $559,700 | |
| 2023 | $730,500 Land $292,600 Building $437,900 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 172 Prospect St in Zone X, an area of minimal flood risk, though there have been 5 flood claims nearby since 1988.
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 | 3 in force |
| Nearby Flood Claims | 5 (1988–2021) |
| Most Recent Claim | Aug 2021 · 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 172 Prospect St 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 | 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 280 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Verizon Fiber · Fixed Wireless in parts of the area | 2,300 / 2,300 |
| Xfinity Cable | 2,000 / 2,000 |
| Astound Broadband Cable | 1,500 / 50 |
| AT&T Fixed Wireless | 100 / 20 |
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