Middlesex County and Waltham City property record for 21 Addison Rd, Waltham, MA 02452
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1.5 ba · 1,550 sqft · built 1960 |
| Lot Size | 0.238 acres (10,363 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $63,000 (Jun 1983) |
| Tax Bill | $7,469 (2026) |
| Deeds & Mortgages | Nov 2022 Line of Credit |
| Flood Zone | Zone X (minimal risk) |
| APN | WALT M:025 B:013 L:0004 |
| Primary APN | WALT M:025 B:013 L:0004 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 1,550 sqft Living Area |
| Gross Area | 2,432 sqft |
| Basement Area | 728 sqft |
| Unfinished Basement | 218 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1960 |
|---|---|
| Effective Year Built | Effective 1960 |
| Architectural Style | Ranch |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 10,363 sqft (0.238 acres) |
| Garage Type | Basement |
| Parking Spaces | 1 Parking Space |
| Cooling System | HVAC |
|---|---|
| Heating System | Hot Water |
| Heating Fuel | Gas |
| Account Number | 1027 |
|---|---|
| Street Address | 21 ADDISON RD |
| City | WALTHAM |
| State | MA |
| Zip | 02452-5702 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | 1 |
| Legal Block | 13 |
| Legal Lot Number | 4 |
| Jurisdiction | WALTHAM MA |
| Township / Civil Division | WALTHAM |
| Census Block Group | 2 |
| Census Block | 2012 |
| Census Tract | 368901 |
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 Individual Names on Record |
|---|---|
| Mailing Address | 21 ADDISON RD, WALTHAM, MA 02452-5702 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jun 1, 1983 · Amount on Record |
| Deed Sale | Jun 1, 1983 · Amount on Record |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WALTHAM MA |
| Property Address | 21 ADDISON RD, WALTHAM, MA 02452-5702 |
| Transaction Type | Mortgage |
| Record Updated | Nov 18, 2022 |
| Name | Verified Name |
|---|
| Document Number | 0080899-70 |
|---|---|
| Date | Nov 1, 2022 |
| Book Page | 80899/70 |
| Instrument | 162571 |
| Name | WATERTOWN SAVINGS BANK |
|---|---|
| Type | Bank |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Rate Type | Adjustable Rate |
|---|
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 | $7,469.00 (+11.83%) | $723,700 (+6.41%) Land $477,900 Building $245,800 | $770,565 (+30.22%) |
| 2025 | $6,679.00 (+5.65%) | $680,100 (+3.71%) Land $456,100 Building $224,000 | $591,755 (-16.34%) |
| 2024 | $6,322.00 (+1.48%) | $655,800 (+8.63%) Land $435,900 Building $219,900 | $707,370 |
| 2023 | $6,230.00 | $603,700 Land $395,500 Building $208,200 |
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
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; 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 286 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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