Middlesex County and Waltham City property record for 12 Mountain Rd, Waltham, MA 02451 · Last verified July 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 4 Beds |
| Bathrooms | 2.5 Baths |
| Year Built | Built 2006 |
| Square Footage | 2,444 sqft Living Area |
| Lot Size | 12,092 sqft (0.278 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $627,000 (2006) |
| Tax Bill | $9,846.00 (2025) |
| Primary APN | 80968 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Partial Baths | 1 Partial Baths |
| Total Rooms | 8 Rooms |
| Building Area | 2,444 sqft Living Area |
| Gross Area | 3,342 sqft Gross Area |
| Basement Area | 716 sqft Basement |
| Unfinished Basement | 716 sqft Unfinished |
| Stories | 2 Stories |
| Fireplace | Fireplace |
| Fireplaces | 1 Fireplaces |
| Year Built | Built 2006 |
|---|---|
| Effective Year Built | Effective 2006 |
| Architectural Style | Colonial Style |
| Exterior Material | Wood Siding Exterior |
| Construction Type | Frame Construction |
| Roof Construction | Gable Roof Construction |
| Roof Material | Asphalt Roof |
| Lot Area | 12,092 sqft (0.278 acres) |
| Cooling System | HVAC Cooling |
|---|---|
| Heating System | Hot Water Heating |
| Heating Fuel | Gas Heating Fuel |
| Account Number | 80968 |
|---|---|
| Street Address | 12 MOUNTAIN RD |
| City | WALTHAM |
| State | MA |
| Zip | 02451-1334 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Block | 6 |
| Legal Lot Number | 12 |
| Jurisdiction | WALTHAM MA |
| Minor Civil Division | WALTHAM |
| Census Blockgroup | 2 |
| Census Block | 2001 |
| Census Tract | 368102 |
Source: Middlesex County and Waltham City records · APN 80968
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 | 2 Individual Names on File |
|---|---|
| Mailing Address | 12 MOUNTAIN RD, WALTHAM, MA 02451-1334 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Jul 25, 2006 · Amount on Record |
| Deed Sale | Jul 25, 2006 · Amount on Record |
| Prior Sale | Aug 09, 2005 · Amount on Record |
| Deed Doc Number | 2006138869 |
| Deed Book / Page | 47861 / 288 |
| Transfer Doc | 45826-75 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WALTHAM MA |
| Property Address | 12 MOUNTAIN RD, WALTHAM, MA 02451-1334 |
| Transaction Type | Mortgage |
| Record Updated | Dec 17, 2025 |
| Name | Verified Name |
|---|
| Document Number | 084889-558 |
|---|---|
| Date | Nov 18, 2025 |
| Book Page | 84889/558 |
| Instrument | 140982 |
| Name | BELMONT MUNICIPAL FEDERAL CREDIT UNION |
|---|
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Rate Type | Adjustable Rate |
|---|
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 and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $9,846.00 (+4.81%) | $1,002,600 (+2.88%) Land $475,600 Building $527,000 | $1,062,670 (+7.65%) |
| 2024 | $9,394.00 (+1.21%) | $974,500 (+8.35%) Land $454,600 Building $519,900 | $987,145 |
| 2023 | $9,282.00 | $899,400 Land $412,500 Building $486,900 |
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