Middlesex County and Waltham City property record for 135 Beaver St, Waltham, MA 02452
| Property Type | Office Building |
|---|---|
| Details | 4 ba · 96,973 sqft · built 1984 |
| Lot Size | 3.76 acres (164,034 sqft) |
| Owner | Company Name on File |
| Tax Bill | $366,176 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 167376 |
| Primary APN | 167376 |
|---|---|
| Alternative APN |
|
| Full Baths | 4 Baths |
|---|---|
| Half Baths | 8 Half Baths |
| Units | 207 Units |
| Stories | 4 Stories |
| Building Area | 96,973 sqft Total Area |
| Gross Area | 97,158 sqft |
| Year Built | Built 1984 |
|---|---|
| Effective Year Built | Effective 1984 |
| Exterior Material | Brick |
| Construction Type | Steel Frame |
| Foundation Type | Slab (Mat/Raft) |
| Roof Type | Flat |
| Roof Material | Other |
| Lot Area | 164,034 sqft (3.76 acres) |
| Cooling System | HVAC |
|---|---|
| Heating System | Hot Water |
| Heating Fuel | Gas |
| Account Number | 167376 |
|---|---|
| Street Address | 135 BEAVER ST |
| City | WALTHAM |
| State | MA |
| Zip | 02452-8412 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Office Building |
| Legal Block | 4 |
| Legal Lot Number | 4 |
| Jurisdiction | WALTHAM MA |
| Township / Civil Division | WALTHAM |
| Census Block Group | 2 |
| Census Block | 2025 |
| Census Tract | 369100 |
135 Beaver St, a commercial property, is owned by a company that acquired it in October 2009.
Source: Middlesex County and Waltham City records, as of October 20, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 465 WAVERLEY OAKS RD, WALTHAM, MA 02452-8438 |
| Owner Type | Company |
| Vesting | Company |
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 | Name on Deed |
|---|---|
| Last Sale | Oct 15, 2009 |
| Deed Sale | Oct 15, 2009 |
| Deed Document Number | 2009200351 |
| Deed Book / Page | 53676 / 574 |
| Record Updated | Oct 29, 2026 |
The 2026 property tax bill for 135 Beaver St was $366,176, up 8.4% 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 |
|---|---|---|
| 2026 | $366,176.00 (+8.4%) | $16,509,300 (+2.83%) Land $4,153,200 Building $12,356,100 |
| 2025 | $337,812.00 (+13.89%) | $16,055,700 (+12.1%) Land $3,917,600 Building $12,138,100 |
| 2024 | $296,615.00 (-2.47%) | $14,322,300 (+3.37%) Land $3,564,100 Building $10,758,200 |
| 2023 | $304,133.00 | $13,855,700 Land $3,240,100 Building $10,615,600 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 135 Beaver St in Zone X, an area of minimal flood risk, within 100 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 100 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on File median of 12 policies |
| Nearby Flood Policies | 12 in force |
| Nearby Flood Claims | 6 (1996–2010) |
| Claims Outside the SFHA | 2 of 6 |
| Most Recent Claim | Mar 2010 · Severe Storms And Flooding |
| Claims by Event |
|
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 135 Beaver St 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 348 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 |
May also be available: T-Mobile.
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