Middlesex County and Waltham City property record for 83 Clematis Ave, Waltham, MA 02453
| Property Type | Single Family Home |
|---|---|
| Details | 6 bd · 2.5 ba · 1,696 sqft · built 1999 |
| Lot Size | 0.172 acres (7,501 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $451,000 (Aug 2010) |
| Tax Bill | $9,552 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 25760 |
| Primary APN | 25760 |
|---|---|
| Alternative APN |
|
| Bedrooms | 6 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 15 Rooms |
| Stories | 2 Stories |
| Building Area | 1,696 sqft Living Area |
| Gross Area | 2,784 sqft |
| 1st Floor Area | 1,235 sqft |
| Basement Area | 832 sqft |
| Unfinished Basement | 832 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1999 |
|---|---|
| Effective Year Built | Effective 1999 |
| Architectural Style | Colonial |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 7,501 sqft (0.172 acres) |
| Garage Type | Basement |
| Parking Spaces | 1 Parking Space |
| Cooling System | HVAC |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Account Number | 25760 |
|---|---|
| Street Address | 83 CLEMATIS AVE |
| City | WALTHAM |
| State | MA |
| Zip | 02453-7012 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Block | 2 |
| Legal Lot Number | 8 |
| Jurisdiction | WALTHAM MA |
| Township / Civil Division | WALTHAM |
| Census Block Group | 4 |
| Census Block | 4002 |
| Census Tract | 369100 |
83 Clematis Ave is owned and occupied by two individuals who bought it in August 2010.
Source: Middlesex County and Waltham City records, as of October 20, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 83 CLEMATIS AVE, WALTHAM, MA 02453-7012 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Aug 27, 2010 · Amount on File |
| Deed Sale | Aug 27, 2010 · Amount on File |
| Deed Document Number | 2010146574 |
| Deed Book / Page | 55253 / 92 |
| Record Updated | Oct 29, 2026 |
The 2026 property tax bill for 83 Clematis Ave was $9,552, up 10.6% from the year before.
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 | $9,552.00 (+10.56%) | $925,600 (+5.21%) Land $488,300 Building $437,300 | $864,962 (+4.64%) |
| 2025 | $8,640.00 (+5.44%) | $879,800 (+3.51%) Land $465,000 Building $414,800 | $826,595 (+0.66%) |
| 2024 | $8,194.00 (-0.68%) | $850,000 (+6.33%) Land $442,500 Building $407,500 | $821,180 |
| 2023 | $8,250.00 | $799,400 Land $420,000 Building $379,400 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 83 Clematis Ave in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Claims | 1 (1992) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Dec 1992 · Winter Coastal Storm |
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.
The area around 83 Clematis Ave has no burnable land within ember reach, so its wildfire risk is not rated.
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 793 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 |
| AT&T Fixed Wireless | 100 / 20 |
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