Middlesex County and Waltham City property record for 103 4th Ave, Waltham, MA 02451
| Property Type | Mixed Use Commercial/Industrial |
|---|---|
| Details | 3 bd · 6 ba · 134,400 sqft · built 2023 |
| Lot Size | 6.06 acres (264,331 sqft) |
| Owner | 2 Company Names on Record |
| Last Sale | $13,900,000 (Jan 2007) |
| Tax Bill | $1,118,977 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 42876 |
| Primary APN | 42876 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 6 Baths |
| Half Baths | 8 Half Baths |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 134,400 sqft Total Area |
| Gross Area | 140,240 sqft |
| Basement Area | 952 sqft |
| Unfinished Basement | 768 sqft |
| Year Built | Built 2023 |
|---|---|
| Effective Year Built | Effective 2023 |
| Exterior Material | Metal |
| Construction Type | Steel Frame |
| Foundation Type | Slab (Mat/Raft) |
| Roof Type | Flat |
| Roof Material | Other |
| Lot Area | 264,331 sqft (6.06 acres) |
| Cooling System | HVAC |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Account Number | 42876 |
|---|---|
| Street Address | 103 4TH AVE |
| City | WALTHAM |
| State | MA |
| Zip | 02451-7554 |
| Property Category | Commercial |
| Property Type | Commercial > Retail > Mixed Use Commercial/Industrial |
| Legal Block | 3 |
| Legal Lot Number | 4 |
| Jurisdiction | WALTHAM MA |
| Township / Civil Division | WALTHAM |
| Census Block Group | 3 |
| Census Block | 3018 |
| Census Tract | 368200 |
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 | 2 Company Names on Record |
|---|---|
| Mailing Address | 800 BOYLSTON ST, 1900, BOSTON, MA 02199-8101 |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jan 29, 2007 · Amount on Record |
| Deed Sale | Jan 29, 2007 · Amount on Record |
| Prior Sale | Jun 22, 2000 · Amount on Record |
| Deed Document Number | 200718984 |
| Deed Book / Page | 48910 / 220 |
| Transfer Doc | 48910-220 |
| Record Updated | Oct 29, 2026 |
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 | $1,118,977.00 (+32.21%) | $50,449,800 (+25.42%) Land $7,549,300 Building $42,900,500 |
| 2025 | $846,357.00 (+646.65%) | $40,226,100 (+242.34%) Land $7,549,300 Building $32,676,800 |
| 2024 | $11,750,200 Land $6,852,500 Building $4,897,700 | |
| 2023 | $113,354.00 |
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 | None beyond 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 19 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 2,000 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: Astound Broadband, T-Mobile, Verizon.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures