Middlesex County and Waltham City property record for 70 Clematis Ave, Waltham, MA 02453
| Property Type | Manufacturing (Light) |
|---|---|
| Details | 5 bd · 5 ba · 10,961 sqft · built 1950 |
| Lot Size | 0.459 acres (19,998 sqft) |
| Owner | Company Name on Record |
| Last Sale | $1,160,000 (Jul 2022) |
| Tax Bill | $25,250 (2026) |
| Deeds & Mortgages | Jul 2022 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 25733 |
| Primary APN | 25733 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 5 Baths |
| Half Baths | 2 Half Baths |
| Total Rooms | 9 Rooms |
| Stories | 1 Story |
| Building Area | 10,961 sqft Total Area |
| 1st Floor Area | 1,766 sqft |
| Basement Area | 1,526 sqft |
| Unfinished Basement | 1,526 sqft |
| Year Built | Built 1950 |
|---|---|
| Effective Year Built | Effective 1950 |
| Exterior Material | Concrete Block |
| Construction Type | Concrete |
| Foundation Type | Slab (Mat/Raft) |
| Roof Type | Flat |
| Roof Material | Tar & Gravel |
| Lot Area | 19,998 sqft (0.459 acres) |
| Garage Type | Attached |
| Parking Spaces | 1 Parking Space |
| Heating System | Hot Water |
|---|---|
| Heating Fuel | Oil |
| Account Number | 25733 |
|---|---|
| Street Address | 70 CLEMATIS AVE |
| City | WALTHAM |
| State | MA |
| Zip | 02453-7013 |
| Property Category | Industrial |
| Property Type | Industrial > Manufacturing (Light) |
| Legal Block | 2 |
| Legal Lot Number | 1 |
| Jurisdiction | WALTHAM MA |
| Township / Civil Division | WALTHAM |
| Census Block Group | 4 |
| Census Block | 4000 |
| Census Tract | 369100 |
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 | Company Name on Record |
|---|---|
| Mailing Address | 70 CLEMATIS AVE, WALTHAM, MA 02453-7013 |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jul 1, 2022 · Amount on Record |
| Deed Sale | Jul 1, 2022 · Amount on Record |
| Prior Sale | Jun 1, 1980 · Amount on Record |
| Deed Document Number | 20221917759 |
| Prior Transfer Date | Jun 14, 2022 |
| Prior Transfer Doc | 0001917759 |
| Record Updated | Oct 29, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | WALTHAM MA |
| Recording Date | Jul 1, 2022 |
| Property Address | 70 CLEMATIS AVE, WALTHAM, MA 02453-7013 |
| Document Number | 0001917759 |
| Instrument Date | Jun 14, 2022 |
| Instrument | 1917759 |
| Transaction Type | Transfer |
| Record Updated | Jul 22, 2022 |
| Amount | Amount Recorded |
|---|---|
| Tax | $0.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 68 PRINCE ST, JAMAICA PLAIN, MA 02130-2726 |
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 |
|---|---|---|
| 2026 | $25,250.00 (+12.37%) | $1,138,400 (+6.59%) Land $599,200 Building $539,200 |
| 2025 | $22,471.00 (-0.03%) | $1,068,000 (-1.59%) Land $565,200 Building $502,800 |
| 2024 | $22,477.00 (+6.32%) | $1,085,300 (+12.69%) Land $514,200 Building $571,100 |
| 2023 | $21,140.00 | $963,100 Land $467,500 Building $495,600 |
Assessed value is set for property tax purposes and is not a market price estimate.
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.
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 |
Search by:
By searching, you agree to: Terms • Privacy • Disclosures