Middlesex County and Waltham City property record for 475 Winter St, Waltham, MA 02451
| Property Type | Mixed Use Commercial Office / Residential |
|---|---|
| Details | 4 bd · 9 ba · 35,855 sqft · built 1992 |
| Lot Size | 2.53 acres (110,512 sqft) |
| Owner | Company Name on Record |
| Last Sale | $3,200,000 (Jan 1993) |
| Tax Bill | $382,532 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 127801 |
| Primary APN | 127801 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 9 Baths |
| Half Baths | 14 Half Baths |
| Total Rooms | 10 Rooms |
| Units | 21 Units |
| Stories | 1 Story |
| Building Area | 35,855 sqft Total Area |
| Gross Area | 41,381 sqft |
| Basement Area | 1,118 sqft |
| Unfinished Basement | 1,296 sqft |
| Year Built | Built 1992 |
|---|---|
| Effective Year Built | Effective 1992 |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Steel Frame |
| Foundation Type | Slab (Mat/Raft) |
| Roof Type | Flat |
| Roof Material | Other |
| Lot Area | 110,512 sqft (2.53 acres) |
| Cooling System | HVAC |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Account Number | 127801 |
|---|---|
| Street Address | 475 WINTER ST |
| City | WALTHAM |
| State | MA |
| Zip | 02451-1213 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Mixed Use Commercial Office / Residential |
| Legal Block | 1 |
| Legal Lot Number | 2 |
| Jurisdiction | WALTHAM MA |
| Township / Civil Division | WALTHAM |
| Census Block Group | 2 |
| Census Block | 2004 |
| Census Tract | 368102 |
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 | 465 WAVERLEY OAKS RD, 500, WALTHAM, MA 02452-8488 |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jan 15, 1993 · Amount on Record |
| Deed Sale | Jan 15, 1993 · Amount on Record |
| Prior Sale | May 11, 1990 · Amount on Record |
| 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 | $382,532.00 | $17,246,700 (+3.62%) Land $3,829,300 Building $13,417,400 |
| 2025 | $16,644,500 (+11.14%) Land $3,699,900 Building $12,944,600 | |
| 2024 | $14,975,900 (+10.08%) Land $3,358,400 Building $11,617,500 | |
| 2023 | $13,605,100 Land $3,053,100 Building $10,552,000 | |
| 2018 | $296,197.00 |
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone A, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 8 in force |
| Nearby Flood Claims | 1 (1978) |
| Most Recent Claim | Feb 1978 · tidal / storm surge |
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 21 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Astound Broadband Cable | 1,500 / 50 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: T-Mobile, Verizon.
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