Middlesex County and Waltham City property record for 19 Colonial Ave, Waltham, MA 02453
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 2,607 sqft · built 1950 |
| Lot Size | 0.176 acres (7,675 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $541,000 (Sep 2016) |
| Tax Bill | $8,427 (2026) |
| Deeds & Mortgages | Nov 2025 Line of Credit Dec 2018 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 27045 |
| Primary APN | 27045 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 2,607 sqft Living Area |
| Gross Area | 2,800 sqft |
| 1st Floor Area | 2,276 sqft |
| Basement Area | 1,372 sqft |
| Unfinished Basement | 137 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1950 |
|---|---|
| Effective Year Built | Effective 1950 |
| Architectural Style | Ranch |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 7,675 sqft (0.176 acres) |
| Garage Type | Detached |
| Cooling System | HVAC |
|---|---|
| Heating System | Hot Water |
| Heating Fuel | Gas |
| Account Number | 27045 |
|---|---|
| Street Address | 19 COLONIAL AVE |
| City | WALTHAM |
| State | MA |
| Zip | 02453-6861 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | 1 |
| Legal Block | 22 |
| Legal Lot Number | 10 |
| Jurisdiction | WALTHAM MA |
| Township / Civil Division | WALTHAM |
| Census Block Group | 3 |
| Census Block | 3000 |
| Census Tract | 368800 |
Source: Middlesex County and Waltham City records, as of October 20, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | 2 Individual Names on Record |
|---|---|
| Mailing Address | 19 COLONIAL AVE, WALTHAM, MA 02453-6861 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Husband and Wife |
| Date | Document |
|---|---|
| Nov 24, 2025 | Deed of Trust, Mortgage · Line of Credit WATERTOWN SAVINGS BANK |
| Dec 13, 2018 | Deed of Trust, Mortgage · Balloon Mortgage WATERTOWN SAVINGS BANK |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Sep 20, 2016 · Amount on Record |
| Deed Sale | Sep 20, 2016 · Amount on Record |
| Prior Sale | May 29, 2014 |
| Deed Book / Page | 68048 / 47 |
| Transfer Doc | 0068048-47 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WALTHAM MA |
| Property Address | 19 COLONIAL AVE, WALTHAM, MA 02453-6861 |
| Transaction Type | Mortgage |
| Record Updated | Apr 2, 2026 |
| Name | Verified Name |
|---|
| Document Number | 084917-399 |
|---|---|
| Date | Nov 24, 2025 |
| Book Page | 84917/399 |
| Instrument | 144044 |
| Name | WATERTOWN SAVINGS BANK |
|---|---|
| Type | Bank |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Rate Type | Adjustable Rate |
|---|
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WALTHAM MA |
| Property Address | 19 COLONIAL AVE, WALTHAM, MA 02453-6861 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Name | Verified Name |
|---|
| Document Number | 72002-400 |
|---|---|
| Date | Dec 13, 2018 |
| Book Page | 72002/400 |
| Instrument | 189458 |
| Name | WATERTOWN SAVINGS BANK |
|---|---|
| Type | Bank |
| Type | Balloon Mortgage |
|---|---|
| Amount | Amount Recorded |
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 | $8,427.00 (+6.21%) | $816,600 (+1.08%) Land $490,500 Building $326,100 | $903,512 (-6.41%) |
| 2025 | $7,934.00 (+5.65%) | $807,900 (+3.71%) Land $467,100 Building $340,800 | $965,390 (+5.32%) |
| 2024 | $7,510.00 (-1.46%) | $779,000 (+5.48%) Land $444,500 Building $334,500 | $916,655 |
| 2023 | $7,621.00 | $738,500 Land $421,900 Building $316,600 |
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 · 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 | 1 in force |
| Nearby Flood Claims | 5 (1978–2008) |
| Most Recent Claim | Dec 2008 · Severe Winter Storm And Flooding |
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.
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 599 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 |
| T-Mobile Fixed Wireless | 100 / 20 |
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