Middlesex County and Waltham City property record for 80 Prospect St, Waltham, MA 02453
| Property Type | Mixed Use Commercial Office / Residential |
|---|---|
| Details | 9 bd · 4 ba · 6,291 sqft · built 1900 |
| Lot Size | 0.206 acres (8,965 sqft) |
| Owner | Individual Name on File |
| Last Sale | $100,000 (Jun 2016) |
| Tax Bill | $6,352 (2019) |
| Deeds & Mortgages | Oct 2021 Refinance Jul 2019 Refinance + 3 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 93320 |
| Primary APN | 93320 |
|---|---|
| Alternative APN |
|
| Bedrooms | 9 Beds |
|---|---|
| Full Baths | 4 Baths |
| Total Rooms | 20 Rooms |
| Units | 4 Units |
| Stories | 3 Stories |
| Building Area | 6,291 sqft Total Area |
| Gross Area | 9,362 sqft |
| Basement Area | 2,070 sqft |
| Unfinished Basement | 2,070 sqft |
| Year Built | Built 1900 |
|---|---|
| Effective Year Built | Effective 1900 |
| Exterior Material | Shingles |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 8,965 sqft (0.206 acres) |
| Heating System | Hot Water |
|---|---|
| Heating Fuel | Oil |
| Account Number | 93320 |
|---|---|
| Street Address | 80 PROSPECT ST |
| City | WALTHAM |
| State | MA |
| Zip | 02453-8527 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Mixed Use Commercial Office / Residential |
| Legal Block | 24 |
| Legal Lot Number | 16 |
| Jurisdiction | WALTHAM MA |
| Township / Civil Division | WALTHAM |
| Census Block Group | 5 |
| Census Block | 5005 |
| Census Tract | 368300 |
Source: Middlesex County and Waltham City records · APN 93320
Assessment roll updated April 14, 2026 · Last verified July 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 108 MILTON ST, WALTHAM, MA 02453-1609 |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Oct 07, 2021 | Deed of Trust, Mortgage · Stand-Alone Refinance GUARANTEED RATE INC |
| Jul 01, 2019 | Deed of Trust, Mortgage · Stand-Alone Refinance GUARANTEED RATE INC |
| Jun 22, 2018 | Deed of Trust, Mortgage GUARANTEED RATE INC |
| Apr 16, 2020 | Deed of Trust, Mortgage · Stand-Alone Refinance GUARANTEED RATE INC |
| Dec 29, 2016 | Deed of Trust, Mortgage · Conventional Mortgage RALPH P ZAMPITELLA |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Jun 30, 2016 · Amount on Record |
| Deed Sale | Jun 30, 2016 · Amount on Record |
| Prior Sale | Jun 30, 2016 · Amount on Record |
| Deed Document Number | 2016108848 |
| Deed Book / Page | 67545 / 571 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WALTHAM MA |
| Property Address | 80 PROSPECT ST, WALTHAM, MA 02453-8527 |
| Transaction Type | Mortgage |
| Record Updated | Oct 22, 2021 |
| Name | Verified Name |
|---|
| Document Number | 78868-234 |
|---|---|
| Date | Oct 07, 2021 |
| Book Page | 78868/234 |
| Instrument | 221612 |
| Name | GUARANTEED RATE INC |
|---|---|
| Type | Non-Lending Institution |
| Type | Stand-Alone Refinance |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Nov 01, 2051 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WALTHAM MA |
| Property Address | 80 PROSPECT ST, WALTHAM, MA 02453-8527 |
| Transaction Type | Mortgage |
| Record Updated | Mar 29, 2021 |
| Name | Verified Name |
|---|
| Document Number | 72865-410 |
|---|---|
| Date | Jul 01, 2019 |
| Book Page | 72865/410 |
| Instrument | 93017 |
| Name | GUARANTEED RATE INC |
|---|---|
| Type | Non-Lending Institution |
| Type | Stand-Alone Refinance |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Aug 01, 2049 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WALTHAM MA |
| Property Address | 80 PROSPECT ST, WALTHAM, MA 02453-8527 |
| Transaction Type | Mortgage |
| Record Updated | Mar 29, 2021 |
| Name | Verified Name |
|---|
| Document Number | 71200-428 |
|---|---|
| Date | Jun 22, 2018 |
| Book Page | 71200/428 |
| Instrument | 91008 |
| Name | GUARANTEED RATE INC |
|---|---|
| Type | Non-Lending Institution |
| Amount | Amount Recorded |
|---|---|
| Term | 360 Months |
| Due | Jun 01, 2048 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WALTHAM MA |
| Property Address | 80 PROSPECT ST, WALTHAM, MA 02453-8527 |
| Transaction Type | Mortgage |
| Record Updated | Mar 29, 2021 |
| Name | Verified Name |
|---|
| Document Number | 74480-82 |
|---|---|
| Date | Apr 16, 2020 |
| Book Page | 74480/82 |
| Instrument | 56224 |
| Name | GUARANTEED RATE INC |
|---|---|
| Type | Non-Lending Institution |
| Type | Stand-Alone Refinance |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | May 01, 2050 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WALTHAM MA |
| Property Address | 80 PROSPECT ST, WALTHAM, MA 02453-8527 |
| Document Number | 68725-102 |
| Book / Page | 068725 / 000102 |
| Instrument Date | Dec 29, 2016 |
| Transaction Type | Mortgage |
| Record Updated | Jan 24, 2017 |
| Name | Verified Name |
|---|
| Document Number | 68725-102 |
|---|---|
| Date | Jan 06, 2017 |
| Book Page | 068725/000102 |
| Instrument | 3549 |
| Name | RALPH P ZAMPITELLA |
|---|
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
Source: Middlesex County and Waltham City records · Assessment roll updated April 14, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | Massachusetts |
| County | Middlesex County |
| Municipality | Waltham City |
| Unified School District | Waltham School District (PK - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $1,801,900 (+7.56%) Land $388,000 Building $1,413,900 | |
| 2024 | $1,675,300 (+3.34%) Land $336,000 Building $1,339,300 | |
| 2023 | $1,621,200 Land $320,000 Building $1,301,200 | |
| 2019 | $6,352.00 |
Source: FEMA National Flood Hazard Layer as of September 10, 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
Values are read at the parcel center point; lenders make the official flood determination.
Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Verizon Fiber · Fixed Wireless in parts of the area | 2,300 / 2,300 |
| Xfinity Cable | 2,000 / 2,000 |
| Radiate Holdings Cable | 1,500 / 50 |
| AT&T Fixed Wireless | 100 / 20 |
Based on FCC filings for 504 locations within half a mile of this property.
Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | WALTHAM WATER DEPARTMENT serves 65,218 people |
|---|---|
| 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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.
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