Middlesex County and Watertown City property record for 20 Putnam St, Watertown, MA 02472
| Property Type | Condominium |
|---|---|
| Details | 2 bd · 2 ba · 835 sqft · built 1910 |
| Lot Size | 0.161 acres (7,025 sqft) |
| Owner | Individual Name on File |
| Last Sale | $515,000 (Aug 2023) |
| Tax Bill | $5,740 (2026) |
| Deeds & Mortgages | Aug 2023 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 300289-02 |
| Primary APN | 300289-02 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 5 Rooms |
| Stories | 3 Stories |
| Building Area | 835 sqft Living Area |
| Gross Area | 1,069 sqft |
| Basement Area | 310 sqft |
| Unfinished Basement | 310 sqft |
| Year Built | Built 1910 |
|---|---|
| Effective Year Built | Effective 1910 |
| Architectural Style | Conventional |
| Exterior Material | Wood Siding |
| Construction Type | Frame |
| Roof Type | Gambrel |
| Roof Material | Asphalt |
| Lot Area | 7,025 sqft |
| Heating System | Steam |
|---|---|
| Heating Fuel | Gas |
| Account Number | 9630 |
|---|---|
| Street Address | 20 PUTNAM ST |
| City | WATERTOWN |
| State | MA |
| Zip | 02472-4245 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Condominium |
| Local Zoning Code | T |
| Legal Block | 10 |
| Legal Lot Number | 90A |
| Jurisdiction | WATERTOWN MA |
| Township / Civil Division | WATERTOWN TOWN |
| Census Block Group | 2 |
| Census Block | 2012 |
| Census Tract | 370301 |
20 Putnam St, a condominium, is owned and occupied by an individual who bought it in August 2023.
Source: Middlesex County and Watertown City records, as of October 20, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 20 PUTNAM ST, WATERTOWN, MA 02472-4245 |
| 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 | Aug 29, 2023 · Amount on File |
| Deed Sale | Aug 29, 2023 · Amount on File |
| Prior Sale | Dec 16, 2002 · Amount on File |
| Record Updated | Oct 29, 2026 |
| Document Type | Condominium Deed |
|---|---|
| Jurisdiction | WATERTOWN MA |
| Recording Date | Aug 29, 2023 |
| Property Address | 20 PUTNAM ST, WATERTOWN, MA 02472-4245 |
| Document Number | 0001943335 |
| Instrument Date | Aug 29, 2023 |
| Instrument | 1943335 |
| Transaction Type | Transfer |
| Record Updated | Sep 15, 2023 |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 20 PUTNAM ST # 20, 20, WATERTOWN, MA 02472-4245 |
| Document Number | 0001943336 |
|---|---|
| Date | Aug 29, 2023 |
| Instrument | 1943336 |
| Name | MOVEMENT MORTGAGE |
|---|---|
| Type | Mortgage Company |
| Type | Stand-Alone First Mortgage |
|---|---|
| Amount | Amount on Record |
The 2026 property tax bill for 20 Putnam St was $5,740, up 4.5% 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 | Assessed Market Value |
|---|---|---|---|
| 2026 | $5,740.00 (+4.46%) | $470,500 (-) Building $470,500 | $511,381 (-8.38%) |
| 2025 | $5,495.00 | $470,500 Building $470,500 | $558,125 (+16.06%) |
| 2024 | $480,890 | ||
| 2023 | $6,440.00 | $474,200 Building $474,200 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 20 Putnam St in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective September 10, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
The area around 20 Putnam 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 | 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 375 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 |
| Verizon Fixed Wireless · Fiber in parts of the area | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: AT&T, Starry.
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