Middlesex County and Watertown City property record for 45 Riverside St, Watertown, MA 02472
| Property Type | Triplex |
|---|---|
| Details | 5 bd · 3 ba · 3,512 sqft · built 1871 |
| Lot Size | 0.29 acres (12,618 sqft) |
| Owner | Individual Name on File |
| Last Sale | $256,000 (Jun 2003) |
| Tax Bill | $14,549 (2026) |
| Deeds & Mortgages | Aug 2022 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 43040-31 |
| Primary APN | 43040-31 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 11 Rooms |
| Units | 3 Units |
| Stories | 3 Stories |
| Building Area | 3,512 sqft Living Area |
| Gross Area | 5,213 sqft |
| Basement Area | 1,413 sqft |
| Unfinished Basement | 1,413 sqft |
| Year Built | Built 1871 |
|---|---|
| Effective Year Built | Effective 1871 |
| Architectural Style | Triplex |
| Exterior Material | Wood Siding |
| Construction Type | Frame |
| Roof Type | Mansard |
| Roof Material | Asphalt |
| Lot Area | 12,618 sqft (0.29 acres) |
| Parking Spaces | 1 Parking Space |
| Heating System | Steam |
|---|---|
| Heating Fuel | Oil |
| Account Number | 9359 |
|---|---|
| Street Address | 45 RIVERSIDE ST |
| City | WATERTOWN |
| State | MA |
| Zip | 02472-3986 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Triplex |
| Local Zoning Code | R.75 |
| Legal Block | 3 |
| Legal Lot Number | 3P |
| Jurisdiction | WATERTOWN MA |
| Township / Civil Division | WATERTOWN TOWN |
| Census Block Group | 2 |
| Census Block | 2010 |
| Census Tract | 370402 |
45 Riverside St, a triplex, is owned and occupied by an individual who acquired it in August 2022.
Source: Middlesex County and Watertown City records, as of October 20, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 45 RIVERSIDE ST, WATERTOWN, MA 02472-3986 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
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 | Jun 24, 2003 · Amount on File |
| Deed Sale | Jun 24, 2003 · Amount on File |
| Deed Document Number | 200374330 |
| Last Transfer Date | Aug 25, 2022 |
| Transfer Doc | 0080646-64 |
| Record Updated | Oct 29, 2026 |
| Document Type | Redemption Deed |
|---|---|
| Jurisdiction | WATERTOWN MA |
| Recording Date | Aug 30, 2022 |
| Property Address | 45 RIVERSIDE ST, WATERTOWN, MA 02472-3986 |
| Document Number | 0080646-64 |
| Book / Page | 80646 / 64 |
| Instrument Date | Aug 25, 2022 |
| Instrument | 132573 |
| Transaction Type | Transfer |
| Record Updated | Sep 19, 2022 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|
The 2026 property tax bill for 45 Riverside St was $14,549, up 9.8% from the year before.
Source: Middlesex County and Watertown City assessment roll, as of April 14, 2026
| Type | Name |
|---|---|
| State | Massachusetts |
| County | Middlesex County |
| Municipality | Watertown City |
| Unified School District | Watertown School District (PK - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $14,549.00 (+9.78%) | $1,192,500 (+5.09%) Land $494,000 Building $698,500 |
| 2025 | $13,253.00 (+7.71%) | $1,134,700 (+7.9%) Land $494,000 Building $640,700 |
| 2024 | $12,304.00 (-12.52%) | $1,051,600 (+1.54%) Land $497,400 Building $554,200 |
| 2023 | $14,065.00 | $1,035,700 Land $481,500 Building $554,200 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 45 Riverside St in Zone X, an area of minimal flood risk, within 500 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 500 ft |
| 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.
Wildfire risk around 45 Riverside St is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 99.1% of the US · lower than 98.7% of Massachusetts |
|---|---|
| Wildfire Likelihood | Under 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 | WATERTOWN DEPARTMENT OF PUBLIC WORKS serves 35,985 people · EPA ID MA3314000 |
|---|---|
| Water Source | Purchased surface water from MWRA |
| Last State Inspection | Oct 2025 |
| Lead | 1 ppb (2025) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None 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 635 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 2,000 |
| Astound Broadband Cable · Fiber in parts of the area | 1,500 / 50 |
May also be available: AT&T, T-Mobile, Verizon.
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