Middlesex County and Waltham City property record for 350 Second Ave, Waltham, MA 02451
| Property Type | R&D Facility, Laboratory |
|---|---|
| Details | 3 ba · 43,578 sqft · built 1962 |
| Lot Size | 2.55 acres (111,183 sqft) |
| Owner | Company Name on File |
| Tax Bill | $199,331 (2025) |
| Deeds & Mortgages | Dec 2016 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 102524 |
| Primary APN | 102524 |
|---|---|
| Alternative APN |
|
| Full Baths | 3 Baths |
|---|---|
| Half Baths | 6 Half Baths |
| Stories | 2 Stories |
| Building Area | 43,578 sqft Total Area |
| Year Built | Built 1962 |
|---|---|
| Effective Year Built | Effective 1962 |
| Exterior Material | Concrete Block |
| Construction Type | Steel Frame |
| Roof Type | Flat |
| Roof Material | Other |
| Lot Area | 111,183 sqft (2.55 acres) |
| Heating System | Forced Air with A/C |
|---|---|
| Heating Fuel | Gas |
| Account Number | 102524 |
|---|---|
| Street Address | 350 SECOND AVE |
| City | WALTHAM |
| State | MA |
| Zip | 02451-1104 |
| Property Category | Industrial |
| Property Type | Industrial > R&D Facility, Laboratory |
| Legal Block | 1 |
| Legal Lot Number | 19 |
| Jurisdiction | WALTHAM MA |
| Township / Civil Division | WALTHAM |
| Census Block Group | 3 |
| Census Block | 3005 |
| Census Tract | 368200 |
Source: Middlesex County and Waltham City assessment roll, as of April 14, 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 File |
|---|---|
| Mailing Address | 100 RING RD W, 101, GARDEN CITY, NY 11530-3205 |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Verified Name on Deed |
|---|---|
| Record Updated | Jun 8, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WALTHAM MA |
| Property Address | 350 SECOND AVE, WALTHAM, MA 02451-1104 |
| Document Number | 68743-137 |
| Book / Page | 068743 / 000137 |
| Instrument Date | Dec 29, 2016 |
| Transaction Type | Mortgage |
| Record Updated | Feb 1, 2017 |
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Document Number | 68743-137 |
|---|---|
| Date | Jan 11, 2017 |
| Book Page | 068743/000137 |
| Instrument | 5644 |
| Name | MISCELLANEOUS INS CO |
|---|
| 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 |
|---|---|---|
| 2025 | $199,331.00 (+12.26%) | $9,473,900 (+10.5%) Land $3,716,700 Building $5,757,200 |
| 2024 | $177,559.00 (+4.72%) | $8,573,600 (+10.99%) Land $3,373,600 Building $5,200,000 |
| 2023 | $169,562.00 | $7,724,900 Land $3,066,900 Building $4,658,000 |
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 |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 2 in force |
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 | Low lower than 80% of the US · above 57% of Massachusetts |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | Direct burnable vegetation at the parcel |
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 44 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 2,000 |
| Radiate Holdings Cable · Fiber in parts of the area | 1,500 / 50 |
May also be available: T-Mobile USA, Verizon.
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